From d1fd4b2b9cb3817dcbc820d1f62ed36317519d4b Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?=E7=A5=81=E5=AE=81?= <magike.net@gmail.com>
Date: Tue, 2 Sep 2014 13:11:57 +0800
Subject: [PATCH] =?UTF-8?q?=E6=9B=B4=E6=8D=A2Markdown=E8=A7=A3=E6=9E=90?=
 =?UTF-8?q?=E5=BC=95=E6=93=8E=E4=B8=BA=E6=9B=B4=E5=87=86=E7=A1=AE=E7=9A=84?=
 =?UTF-8?q?Parsedown=20=E7=BB=9F=E4=B8=80=E5=89=8D=E5=90=8E=E7=AB=AF?=
 =?UTF-8?q?=E7=9A=84Markdown=E8=A7=A3=E6=9E=90=20=E6=9B=B4=E6=96=B0Jquery?=
 =?UTF-8?q?=20=E5=88=B02.1.1?=
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit

fix #267
---
 admin/editor-js.php               |   12 +-
 admin/js/jquery.js                | 7453 +++++++++++++++--------------
 admin/js/pagedown-extra.js        |  789 ---
 admin/js/pagedown.js              | 1434 +-----
 admin/js/typecho.js               |   42 +
 var/MarkdownExtraExtended.php     | 3302 -------------
 var/Typecho/Request.php           |    5 +-
 var/Widget/Abstract/Comments.php  |   23 +-
 var/Widget/Abstract/Contents.php  |   24 +-
 var/Widget/Contents/Post/Edit.php |   12 +
 10 files changed, 4014 insertions(+), 9082 deletions(-)
 delete mode 100644 admin/js/pagedown-extra.js
 delete mode 100644 var/MarkdownExtraExtended.php

diff --git a/admin/editor-js.php b/admin/editor-js.php
index d42901cd..ca0ac212 100644
--- a/admin/editor-js.php
+++ b/admin/editor-js.php
@@ -1,7 +1,6 @@
 <?php if(!defined('__TYPECHO_ADMIN__')) exit; ?>
 <?php $content = !empty($post) ? $post : $page; if ($options->markdown): ?>
 <script src="<?php $options->adminStaticUrl('js', 'pagedown.js?v=' . $suffixVersion); ?>"></script>
-<script src="<?php $options->adminStaticUrl('js', 'pagedown-extra.js?v=' . $suffixVersion); ?>"></script>
 <script src="<?php $options->adminStaticUrl('js', 'diff.js?v=' . $suffixVersion); ?>"></script>
 <script>
 $(document).ready(function () {
@@ -57,17 +56,13 @@ $(document).ready(function () {
         help: '<?php _e('Markdown语法帮助'); ?>'
     };
 
-    var converter = new Markdown.Converter(),
+    var converter = new Typecho.Markdown('<?php $security->index('/action/contents-' . $content->type . '-edit?do=preview'); ?>'),
         editor = new Markdown.Editor(converter, '', options),
         diffMatch = new diff_match_patch(), last = '', preview = $('#wmd-preview'),
         mark = '@mark' + Math.ceil(Math.random() * 100000000) + '@',
         span = '<span class="diff" />',
         cache = {};
     
-    // 设置markdown
-    Markdown.Extra.init(converter, {
-        extensions  :   ["tables", "fenced_code_gfm", "def_list", "attr_list", "footnotes"]
-    });
 
     // 自动跟随
     converter.hooks.chain('postConversion', function (html) {
@@ -192,6 +187,11 @@ $(document).ready(function () {
         });
 
         $('.cache', preview).resize(cacheResize).each(cacheResize);
+        
+        var changed = $('.diff', preview).parent();
+        if (!changed.is(preview)) {
+            changed.effect('highlight', {color : '#DDDDDD'}, 1000);
+        }
 
         if (diff.length > 0) {
             var p = diff.position(), lh = diff.parent().css('line-height');
diff --git a/admin/js/jquery.js b/admin/js/jquery.js
index ebc6c187..7971feaa 100644
--- a/admin/js/jquery.js
+++ b/admin/js/jquery.js
@@ -1,81 +1,84 @@
 /*!
- * jQuery JavaScript Library v2.0.3
+ * jQuery JavaScript Library v2.1.1-rc2
  * http://jquery.com/
  *
  * Includes Sizzle.js
  * http://sizzlejs.com/
  *
- * Copyright 2005, 2013 jQuery Foundation, Inc. and other contributors
+ * Copyright 2005, 2014 jQuery Foundation, Inc. and other contributors
  * Released under the MIT license
  * http://jquery.org/license
  *
- * Date: 2013-07-03T13:30Z
+ * Date: 2014-04-21T20:27Z
  */
-(function( window, undefined ) {
+
+(function( global, factory ) {
+
+	if ( typeof module === "object" && typeof module.exports === "object" ) {
+		// For CommonJS and CommonJS-like environments where a proper window is present,
+		// execute the factory and get jQuery
+		// For environments that do not inherently posses a window with a document
+		// (such as Node.js), expose a jQuery-making factory as module.exports
+		// This accentuates the need for the creation of a real window
+		// e.g. var jQuery = require("jquery")(window);
+		// See ticket #14549 for more info
+		module.exports = global.document ?
+			factory( global, true ) :
+			function( w ) {
+				if ( !w.document ) {
+					throw new Error( "jQuery requires a window with a document" );
+				}
+				return factory( w );
+			};
+	} else {
+		factory( global );
+	}
+
+// Pass this if window is not defined yet
+}(typeof window !== "undefined" ? window : this, function( window, noGlobal ) {
 
 // Can't do this because several apps including ASP.NET trace
 // the stack via arguments.caller.callee and Firefox dies if
 // you try to trace through "use strict" call chains. (#13335)
 // Support: Firefox 18+
-//"use strict";
+//
+
+var arr = [];
+
+var slice = arr.slice;
+
+var concat = arr.concat;
+
+var push = arr.push;
+
+var indexOf = arr.indexOf;
+
+var class2type = {};
+
+var toString = class2type.toString;
+
+var hasOwn = class2type.hasOwnProperty;
+
+var support = {};
+
+
+
 var
-	// A central reference to the root jQuery(document)
-	rootjQuery,
-
-	// The deferred used on DOM ready
-	readyList,
-
-	// Support: IE9
-	// For `typeof xmlNode.method` instead of `xmlNode.method !== undefined`
-	core_strundefined = typeof undefined,
-
 	// Use the correct document accordingly with window argument (sandbox)
-	location = window.location,
 	document = window.document,
-	docElem = document.documentElement,
 
-	// Map over jQuery in case of overwrite
-	_jQuery = window.jQuery,
-
-	// Map over the $ in case of overwrite
-	_$ = window.$,
-
-	// [[Class]] -> type pairs
-	class2type = {},
-
-	// List of deleted data cache ids, so we can reuse them
-	core_deletedIds = [],
-
-	core_version = "2.0.3",
-
-	// Save a reference to some core methods
-	core_concat = core_deletedIds.concat,
-	core_push = core_deletedIds.push,
-	core_slice = core_deletedIds.slice,
-	core_indexOf = core_deletedIds.indexOf,
-	core_toString = class2type.toString,
-	core_hasOwn = class2type.hasOwnProperty,
-	core_trim = core_version.trim,
+	version = "2.1.1-rc2",
 
 	// Define a local copy of jQuery
 	jQuery = function( selector, context ) {
 		// The jQuery object is actually just the init constructor 'enhanced'
-		return new jQuery.fn.init( selector, context, rootjQuery );
+		// Need init if jQuery is called (just allow error to be thrown if not included)
+		return new jQuery.fn.init( selector, context );
 	},
 
-	// Used for matching numbers
-	core_pnum = /[+-]?(?:\d*\.|)\d+(?:[eE][+-]?\d+|)/.source,
-
-	// Used for splitting on whitespace
-	core_rnotwhite = /\S+/g,
-
-	// A simple way to check for HTML strings
-	// Prioritize #id over <tag> to avoid XSS via location.hash (#9521)
-	// Strict HTML recognition (#11290: must start with <)
-	rquickExpr = /^(?:\s*(<[\w\W]+>)[^>]*|#([\w-]*))$/,
-
-	// Match a standalone tag
-	rsingleTag = /^<(\w+)\s*\/?>(?:<\/\1>|)$/,
+	// Support: Android<4.1
+	// Make sure we trim BOM and NBSP
+	rtrim = /^[\s\uFEFF\xA0]+|[\s\uFEFF\xA0]+$/g,
 
 	// Matches dashed string for camelizing
 	rmsPrefix = /^-ms-/,
@@ -84,114 +87,13 @@ var
 	// Used by jQuery.camelCase as callback to replace()
 	fcamelCase = function( all, letter ) {
 		return letter.toUpperCase();
-	},
-
-	// The ready event handler and self cleanup method
-	completed = function() {
-		document.removeEventListener( "DOMContentLoaded", completed, false );
-		window.removeEventListener( "load", completed, false );
-		jQuery.ready();
 	};
 
 jQuery.fn = jQuery.prototype = {
 	// The current version of jQuery being used
-	jquery: core_version,
+	jquery: version,
 
 	constructor: jQuery,
-	init: function( selector, context, rootjQuery ) {
-		var match, elem;
-
-		// HANDLE: $(""), $(null), $(undefined), $(false)
-		if ( !selector ) {
-			return this;
-		}
-
-		// Handle HTML strings
-		if ( typeof selector === "string" ) {
-			if ( selector.charAt(0) === "<" && selector.charAt( selector.length - 1 ) === ">" && selector.length >= 3 ) {
-				// Assume that strings that start and end with <> are HTML and skip the regex check
-				match = [ null, selector, null ];
-
-			} else {
-				match = rquickExpr.exec( selector );
-			}
-
-			// Match html or make sure no context is specified for #id
-			if ( match && (match[1] || !context) ) {
-
-				// HANDLE: $(html) -> $(array)
-				if ( match[1] ) {
-					context = context instanceof jQuery ? context[0] : context;
-
-					// scripts is true for back-compat
-					jQuery.merge( this, jQuery.parseHTML(
-						match[1],
-						context && context.nodeType ? context.ownerDocument || context : document,
-						true
-					) );
-
-					// HANDLE: $(html, props)
-					if ( rsingleTag.test( match[1] ) && jQuery.isPlainObject( context ) ) {
-						for ( match in context ) {
-							// Properties of context are called as methods if possible
-							if ( jQuery.isFunction( this[ match ] ) ) {
-								this[ match ]( context[ match ] );
-
-							// ...and otherwise set as attributes
-							} else {
-								this.attr( match, context[ match ] );
-							}
-						}
-					}
-
-					return this;
-
-				// HANDLE: $(#id)
-				} else {
-					elem = document.getElementById( match[2] );
-
-					// Check parentNode to catch when Blackberry 4.6 returns
-					// nodes that are no longer in the document #6963
-					if ( elem && elem.parentNode ) {
-						// Inject the element directly into the jQuery object
-						this.length = 1;
-						this[0] = elem;
-					}
-
-					this.context = document;
-					this.selector = selector;
-					return this;
-				}
-
-			// HANDLE: $(expr, $(...))
-			} else if ( !context || context.jquery ) {
-				return ( context || rootjQuery ).find( selector );
-
-			// HANDLE: $(expr, context)
-			// (which is just equivalent to: $(context).find(expr)
-			} else {
-				return this.constructor( context ).find( selector );
-			}
-
-		// HANDLE: $(DOMElement)
-		} else if ( selector.nodeType ) {
-			this.context = this[0] = selector;
-			this.length = 1;
-			return this;
-
-		// HANDLE: $(function)
-		// Shortcut for document ready
-		} else if ( jQuery.isFunction( selector ) ) {
-			return rootjQuery.ready( selector );
-		}
-
-		if ( selector.selector !== undefined ) {
-			this.selector = selector.selector;
-			this.context = selector.context;
-		}
-
-		return jQuery.makeArray( selector, this );
-	},
 
 	// Start with an empty selector
 	selector: "",
@@ -200,19 +102,19 @@ jQuery.fn = jQuery.prototype = {
 	length: 0,
 
 	toArray: function() {
-		return core_slice.call( this );
+		return slice.call( this );
 	},
 
 	// Get the Nth element in the matched element set OR
 	// Get the whole matched element set as a clean array
 	get: function( num ) {
-		return num == null ?
+		return num != null ?
 
-			// Return a 'clean' array
-			this.toArray() :
+			// Return just the one element from the set
+			( num < 0 ? this[ num + this.length ] : this[ num ] ) :
 
-			// Return just the object
-			( num < 0 ? this[ this.length + num ] : this[ num ] );
+			// Return all the elements in a clean array
+			slice.call( this );
 	},
 
 	// Take an array of elements and push it onto the stack
@@ -237,15 +139,14 @@ jQuery.fn = jQuery.prototype = {
 		return jQuery.each( this, callback, args );
 	},
 
-	ready: function( fn ) {
-		// Add the callback
-		jQuery.ready.promise().done( fn );
-
-		return this;
+	map: function( callback ) {
+		return this.pushStack( jQuery.map(this, function( elem, i ) {
+			return callback.call( elem, i, elem );
+		}));
 	},
 
 	slice: function() {
-		return this.pushStack( core_slice.apply( this, arguments ) );
+		return this.pushStack( slice.apply( this, arguments ) );
 	},
 
 	first: function() {
@@ -262,26 +163,17 @@ jQuery.fn = jQuery.prototype = {
 		return this.pushStack( j >= 0 && j < len ? [ this[j] ] : [] );
 	},
 
-	map: function( callback ) {
-		return this.pushStack( jQuery.map(this, function( elem, i ) {
-			return callback.call( elem, i, elem );
-		}));
-	},
-
 	end: function() {
 		return this.prevObject || this.constructor(null);
 	},
 
 	// For internal use only.
 	// Behaves like an Array's method, not like a jQuery method.
-	push: core_push,
-	sort: [].sort,
-	splice: [].splice
+	push: push,
+	sort: arr.sort,
+	splice: arr.splice
 };
 
-// Give the init function the jQuery prototype for later instantiation
-jQuery.fn.init.prototype = jQuery.fn;
-
 jQuery.extend = jQuery.fn.extend = function() {
 	var options, name, src, copy, copyIsArray, clone,
 		target = arguments[0] || {},
@@ -292,9 +184,10 @@ jQuery.extend = jQuery.fn.extend = function() {
 	// Handle a deep copy situation
 	if ( typeof target === "boolean" ) {
 		deep = target;
-		target = arguments[1] || {};
+
 		// skip the boolean and the target
-		i = 2;
+		target = arguments[ i ] || {};
+		i++;
 	}
 
 	// Handle case when target is a string or something (possible in deep copy)
@@ -303,9 +196,9 @@ jQuery.extend = jQuery.fn.extend = function() {
 	}
 
 	// extend jQuery itself if only one argument is passed
-	if ( length === i ) {
+	if ( i === length ) {
 		target = this;
-		--i;
+		i--;
 	}
 
 	for ( ; i < length; i++ ) {
@@ -348,60 +241,16 @@ jQuery.extend = jQuery.fn.extend = function() {
 
 jQuery.extend({
 	// Unique for each copy of jQuery on the page
-	expando: "jQuery" + ( core_version + Math.random() ).replace( /\D/g, "" ),
+	expando: "jQuery" + ( version + Math.random() ).replace( /\D/g, "" ),
 
-	noConflict: function( deep ) {
-		if ( window.$ === jQuery ) {
-			window.$ = _$;
-		}
+	// Assume jQuery is ready without the ready module
+	isReady: true,
 
-		if ( deep && window.jQuery === jQuery ) {
-			window.jQuery = _jQuery;
-		}
-
-		return jQuery;
+	error: function( msg ) {
+		throw new Error( msg );
 	},
 
-	// Is the DOM ready to be used? Set to true once it occurs.
-	isReady: false,
-
-	// A counter to track how many items to wait for before
-	// the ready event fires. See #6781
-	readyWait: 1,
-
-	// Hold (or release) the ready event
-	holdReady: function( hold ) {
-		if ( hold ) {
-			jQuery.readyWait++;
-		} else {
-			jQuery.ready( true );
-		}
-	},
-
-	// Handle when the DOM is ready
-	ready: function( wait ) {
-
-		// Abort if there are pending holds or we're already ready
-		if ( wait === true ? --jQuery.readyWait : jQuery.isReady ) {
-			return;
-		}
-
-		// Remember that the DOM is ready
-		jQuery.isReady = true;
-
-		// If a normal DOM Ready event fired, decrement, and wait if need be
-		if ( wait !== true && --jQuery.readyWait > 0 ) {
-			return;
-		}
-
-		// If there are functions bound, to execute
-		readyList.resolveWith( document, [ jQuery ] );
-
-		// Trigger any bound ready events
-		if ( jQuery.fn.trigger ) {
-			jQuery( document ).trigger("ready").off("ready");
-		}
-	},
+	noop: function() {},
 
 	// See test/unit/core.js for details concerning isFunction.
 	// Since version 1.3, DOM methods and functions like alert
@@ -417,17 +266,10 @@ jQuery.extend({
 	},
 
 	isNumeric: function( obj ) {
-		return !isNaN( parseFloat(obj) ) && isFinite( obj );
-	},
-
-	type: function( obj ) {
-		if ( obj == null ) {
-			return String( obj );
-		}
-		// Support: Safari <= 5.1 (functionish RegExp)
-		return typeof obj === "object" || typeof obj === "function" ?
-			class2type[ core_toString.call(obj) ] || "object" :
-			typeof obj;
+		// parseFloat NaNs numeric-cast false positives (null|true|false|"")
+		// ...but misinterprets leading-number strings, particularly hex literals ("0x...")
+		// subtraction forces infinities to NaN
+		return !jQuery.isArray( obj ) && obj - parseFloat( obj ) >= 0;
 	},
 
 	isPlainObject: function( obj ) {
@@ -439,16 +281,8 @@ jQuery.extend({
 			return false;
 		}
 
-		// Support: Firefox <20
-		// The try/catch suppresses exceptions thrown when attempting to access
-		// the "constructor" property of certain host objects, ie. |window.location|
-		// https://bugzilla.mozilla.org/show_bug.cgi?id=814622
-		try {
-			if ( obj.constructor &&
-					!core_hasOwn.call( obj.constructor.prototype, "isPrototypeOf" ) ) {
-				return false;
-			}
-		} catch ( e ) {
+		if ( obj.constructor &&
+				!hasOwn.call( obj.constructor.prototype, "isPrototypeOf" ) ) {
 			return false;
 		}
 
@@ -465,69 +299,20 @@ jQuery.extend({
 		return true;
 	},
 
-	error: function( msg ) {
-		throw new Error( msg );
+	type: function( obj ) {
+		if ( obj == null ) {
+			return obj + "";
+		}
+		// Support: Android < 4.0, iOS < 6 (functionish RegExp)
+		return typeof obj === "object" || typeof obj === "function" ?
+			class2type[ toString.call(obj) ] || "object" :
+			typeof obj;
 	},
 
-	// data: string of html
-	// context (optional): If specified, the fragment will be created in this context, defaults to document
-	// keepScripts (optional): If true, will include scripts passed in the html string
-	parseHTML: function( data, context, keepScripts ) {
-		if ( !data || typeof data !== "string" ) {
-			return null;
-		}
-		if ( typeof context === "boolean" ) {
-			keepScripts = context;
-			context = false;
-		}
-		context = context || document;
-
-		var parsed = rsingleTag.exec( data ),
-			scripts = !keepScripts && [];
-
-		// Single tag
-		if ( parsed ) {
-			return [ context.createElement( parsed[1] ) ];
-		}
-
-		parsed = jQuery.buildFragment( [ data ], context, scripts );
-
-		if ( scripts ) {
-			jQuery( scripts ).remove();
-		}
-
-		return jQuery.merge( [], parsed.childNodes );
-	},
-
-	parseJSON: JSON.parse,
-
-	// Cross-browser xml parsing
-	parseXML: function( data ) {
-		var xml, tmp;
-		if ( !data || typeof data !== "string" ) {
-			return null;
-		}
-
-		// Support: IE9
-		try {
-			tmp = new DOMParser();
-			xml = tmp.parseFromString( data , "text/xml" );
-		} catch ( e ) {
-			xml = undefined;
-		}
-
-		if ( !xml || xml.getElementsByTagName( "parsererror" ).length ) {
-			jQuery.error( "Invalid XML: " + data );
-		}
-		return xml;
-	},
-
-	noop: function() {},
-
 	// Evaluates a script in a global context
 	globalEval: function( code ) {
 		var script,
-				indirect = eval;
+			indirect = eval;
 
 		code = jQuery.trim( code );
 
@@ -607,8 +392,11 @@ jQuery.extend({
 		return obj;
 	},
 
+	// Support: Android<4.1
 	trim: function( text ) {
-		return text == null ? "" : core_trim.call( text );
+		return text == null ?
+			"" :
+			( text + "" ).replace( rtrim, "" );
 	},
 
 	// results is for internal usage only
@@ -622,7 +410,7 @@ jQuery.extend({
 					[ arr ] : arr
 				);
 			} else {
-				core_push.call( ret, arr );
+				push.call( ret, arr );
 			}
 		}
 
@@ -630,22 +418,16 @@ jQuery.extend({
 	},
 
 	inArray: function( elem, arr, i ) {
-		return arr == null ? -1 : core_indexOf.call( arr, elem, i );
+		return arr == null ? -1 : indexOf.call( arr, elem, i );
 	},
 
 	merge: function( first, second ) {
-		var l = second.length,
-			i = first.length,
-			j = 0;
+		var len = +second.length,
+			j = 0,
+			i = first.length;
 
-		if ( typeof l === "number" ) {
-			for ( ; j < l; j++ ) {
-				first[ i++ ] = second[ j ];
-			}
-		} else {
-			while ( second[j] !== undefined ) {
-				first[ i++ ] = second[ j++ ];
-			}
+		for ( ; j < len; j++ ) {
+			first[ i++ ] = second[ j ];
 		}
 
 		first.length = i;
@@ -653,23 +435,23 @@ jQuery.extend({
 		return first;
 	},
 
-	grep: function( elems, callback, inv ) {
-		var retVal,
-			ret = [],
+	grep: function( elems, callback, invert ) {
+		var callbackInverse,
+			matches = [],
 			i = 0,
-			length = elems.length;
-		inv = !!inv;
+			length = elems.length,
+			callbackExpect = !invert;
 
 		// Go through the array, only saving the items
 		// that pass the validator function
 		for ( ; i < length; i++ ) {
-			retVal = !!callback( elems[ i ], i );
-			if ( inv !== retVal ) {
-				ret.push( elems[ i ] );
+			callbackInverse = !callback( elems[ i ], i );
+			if ( callbackInverse !== callbackExpect ) {
+				matches.push( elems[ i ] );
 			}
 		}
 
-		return ret;
+		return matches;
 	},
 
 	// arg is for internal usage only
@@ -680,13 +462,13 @@ jQuery.extend({
 			isArray = isArraylike( elems ),
 			ret = [];
 
-		// Go through the array, translating each of the items to their
+		// Go through the array, translating each of the items to their new values
 		if ( isArray ) {
 			for ( ; i < length; i++ ) {
 				value = callback( elems[ i ], i, arg );
 
 				if ( value != null ) {
-					ret[ ret.length ] = value;
+					ret.push( value );
 				}
 			}
 
@@ -696,13 +478,13 @@ jQuery.extend({
 				value = callback( elems[ i ], i, arg );
 
 				if ( value != null ) {
-					ret[ ret.length ] = value;
+					ret.push( value );
 				}
 			}
 		}
 
 		// Flatten any nested arrays
-		return core_concat.apply( [], ret );
+		return concat.apply( [], ret );
 	},
 
 	// A global GUID counter for objects
@@ -726,9 +508,9 @@ jQuery.extend({
 		}
 
 		// Simulated bind
-		args = core_slice.call( arguments, 2 );
+		args = slice.call( arguments, 2 );
 		proxy = function() {
-			return fn.apply( context || this, args.concat( core_slice.call( arguments ) ) );
+			return fn.apply( context || this, args.concat( slice.call( arguments ) ) );
 		};
 
 		// Set the guid of unique handler to the same of original handler, so it can be removed
@@ -737,109 +519,13 @@ jQuery.extend({
 		return proxy;
 	},
 
-	// Multifunctional method to get and set values of a collection
-	// The value/s can optionally be executed if it's a function
-	access: function( elems, fn, key, value, chainable, emptyGet, raw ) {
-		var i = 0,
-			length = elems.length,
-			bulk = key == null;
-
-		// Sets many values
-		if ( jQuery.type( key ) === "object" ) {
-			chainable = true;
-			for ( i in key ) {
-				jQuery.access( elems, fn, i, key[i], true, emptyGet, raw );
-			}
-
-		// Sets one value
-		} else if ( value !== undefined ) {
-			chainable = true;
-
-			if ( !jQuery.isFunction( value ) ) {
-				raw = true;
-			}
-
-			if ( bulk ) {
-				// Bulk operations run against the entire set
-				if ( raw ) {
-					fn.call( elems, value );
-					fn = null;
-
-				// ...except when executing function values
-				} else {
-					bulk = fn;
-					fn = function( elem, key, value ) {
-						return bulk.call( jQuery( elem ), value );
-					};
-				}
-			}
-
-			if ( fn ) {
-				for ( ; i < length; i++ ) {
-					fn( elems[i], key, raw ? value : value.call( elems[i], i, fn( elems[i], key ) ) );
-				}
-			}
-		}
-
-		return chainable ?
-			elems :
-
-			// Gets
-			bulk ?
-				fn.call( elems ) :
-				length ? fn( elems[0], key ) : emptyGet;
-	},
-
 	now: Date.now,
 
-	// A method for quickly swapping in/out CSS properties to get correct calculations.
-	// Note: this method belongs to the css module but it's needed here for the support module.
-	// If support gets modularized, this method should be moved back to the css module.
-	swap: function( elem, options, callback, args ) {
-		var ret, name,
-			old = {};
-
-		// Remember the old values, and insert the new ones
-		for ( name in options ) {
-			old[ name ] = elem.style[ name ];
-			elem.style[ name ] = options[ name ];
-		}
-
-		ret = callback.apply( elem, args || [] );
-
-		// Revert the old values
-		for ( name in options ) {
-			elem.style[ name ] = old[ name ];
-		}
-
-		return ret;
-	}
+	// jQuery.support is not used in Core but other projects attach their
+	// properties to it so it needs to exist.
+	support: support
 });
 
-jQuery.ready.promise = function( obj ) {
-	if ( !readyList ) {
-
-		readyList = jQuery.Deferred();
-
-		// Catch cases where $(document).ready() is called after the browser event has already occurred.
-		// we once tried to use readyState "interactive" here, but it caused issues like the one
-		// discovered by ChrisS here: http://bugs.jquery.com/ticket/12282#comment:15
-		if ( document.readyState === "complete" ) {
-			// Handle it asynchronously to allow scripts the opportunity to delay ready
-			setTimeout( jQuery.ready );
-
-		} else {
-
-			// Use the handy event callback
-			document.addEventListener( "DOMContentLoaded", completed, false );
-
-			// A fallback to window.onload, that will always work
-			window.addEventListener( "load", completed, false );
-		}
-	}
-	return readyList.promise( obj );
-};
-
 // Populate the class2type map
 jQuery.each("Boolean Number String Function Array Date RegExp Object Error".split(" "), function(i, name) {
 	class2type[ "[object " + name + "]" ] = name.toLowerCase();
@@ -849,7 +535,7 @@ function isArraylike( obj ) {
 	var length = obj.length,
 		type = jQuery.type( obj );
 
-	if ( jQuery.isWindow( obj ) ) {
+	if ( type === "function" || jQuery.isWindow( obj ) ) {
 		return false;
 	}
 
@@ -857,34 +543,33 @@ function isArraylike( obj ) {
 		return true;
 	}
 
-	return type === "array" || type !== "function" &&
-		( length === 0 ||
-		typeof length === "number" && length > 0 && ( length - 1 ) in obj );
+	return type === "array" || length === 0 ||
+		typeof length === "number" && length > 0 && ( length - 1 ) in obj;
 }
-
-// All jQuery objects should point back to these
-rootjQuery = jQuery(document);
+var Sizzle =
 /*!
- * Sizzle CSS Selector Engine v1.9.4-pre
+ * Sizzle CSS Selector Engine v1.10.19
  * http://sizzlejs.com/
  *
  * Copyright 2013 jQuery Foundation, Inc. and other contributors
  * Released under the MIT license
  * http://jquery.org/license
  *
- * Date: 2013-06-03
+ * Date: 2014-04-18
  */
-(function( window, undefined ) {
+(function( window ) {
 
 var i,
 	support,
-	cachedruns,
 	Expr,
 	getText,
 	isXML,
+	tokenize,
 	compile,
+	select,
 	outermostContext,
 	sortInput,
+	hasDuplicate,
 
 	// Local document vars
 	setDocument,
@@ -904,11 +589,9 @@ var i,
 	classCache = createCache(),
 	tokenCache = createCache(),
 	compilerCache = createCache(),
-	hasDuplicate = false,
 	sortOrder = function( a, b ) {
 		if ( a === b ) {
 			hasDuplicate = true;
-			return 0;
 		}
 		return 0;
 	},
@@ -950,17 +633,23 @@ var i,
 	// Proper syntax: http://www.w3.org/TR/CSS21/syndata.html#value-def-identifier
 	identifier = characterEncoding.replace( "w", "w#" ),
 
-	// Acceptable operators http://www.w3.org/TR/selectors/#attribute-selectors
-	attributes = "\\[" + whitespace + "*(" + characterEncoding + ")" + whitespace +
-		"*(?:([*^$|!~]?=)" + whitespace + "*(?:(['\"])((?:\\\\.|[^\\\\])*?)\\3|(" + identifier + ")|)|)" + whitespace + "*\\]",
+	// Attribute selectors: http://www.w3.org/TR/selectors/#attribute-selectors
+	attributes = "\\[" + whitespace + "*(" + characterEncoding + ")(?:" + whitespace +
+		// Operator (capture 2)
+		"*([*^$|!~]?=)" + whitespace +
+		// "Attribute values must be CSS identifiers [capture 5] or strings [capture 3 or capture 4]"
+		"*(?:'((?:\\\\.|[^\\\\'])*)'|\"((?:\\\\.|[^\\\\\"])*)\"|(" + identifier + "))|)" + whitespace +
+		"*\\]",
 
-	// Prefer arguments quoted,
-	//   then not containing pseudos/brackets,
-	//   then attribute selectors/non-parenthetical expressions,
-	//   then anything else
-	// These preferences are here to reduce the number of selectors
-	//   needing tokenize in the PSEUDO preFilter
-	pseudos = ":(" + characterEncoding + ")(?:\\(((['\"])((?:\\\\.|[^\\\\])*?)\\3|((?:\\\\.|[^\\\\()[\\]]|" + attributes.replace( 3, 8 ) + ")*)|.*)\\)|)",
+	pseudos = ":(" + characterEncoding + ")(?:\\((" +
+		// To reduce the number of selectors needing tokenize in the preFilter, prefer arguments:
+		// 1. quoted (capture 3; capture 4 or capture 5)
+		"('((?:\\\\.|[^\\\\'])*)'|\"((?:\\\\.|[^\\\\\"])*)\")|" +
+		// 2. simple (capture 6)
+		"((?:\\\\.|[^\\\\()[\\]]|" + attributes + ")*)|" +
+		// 3. anything else (capture 2)
+		".*" +
+		")\\)|)",
 
 	// Leading and non-escaped trailing whitespace, capturing some non-whitespace characters preceding the latter
 	rtrim = new RegExp( "^" + whitespace + "+|((?:^|[^\\\\])(?:\\\\.)*)" + whitespace + "+$", "g" ),
@@ -968,8 +657,7 @@ var i,
 	rcomma = new RegExp( "^" + whitespace + "*," + whitespace + "*" ),
 	rcombinators = new RegExp( "^" + whitespace + "*([>+~]|" + whitespace + ")" + whitespace + "*" ),
 
-	rsibling = new RegExp( whitespace + "*[+~]" ),
-	rattributeQuotes = new RegExp( "=" + whitespace + "*([^\\]'\"]*)" + whitespace + "*\\]", "g" ),
+	rattributeQuotes = new RegExp( "=" + whitespace + "*([^\\]'\"]*?)" + whitespace + "*\\]", "g" ),
 
 	rpseudo = new RegExp( pseudos ),
 	ridentifier = new RegExp( "^" + identifier + "$" ),
@@ -990,14 +678,15 @@ var i,
 			whitespace + "*((?:-\\d)?\\d*)" + whitespace + "*\\)|)(?=[^-]|$)", "i" )
 	},
 
+	rinputs = /^(?:input|select|textarea|button)$/i,
+	rheader = /^h\d$/i,
+
 	rnative = /^[^{]+\{\s*\[native \w/,
 
 	// Easily-parseable/retrievable ID or TAG or CLASS selectors
 	rquickExpr = /^(?:#([\w-]+)|(\w+)|\.([\w-]+))$/,
 
-	rinputs = /^(?:input|select|textarea|button)$/i,
-	rheader = /^h\d$/i,
-
+	rsibling = /[+~]/,
 	rescape = /'|\\/g,
 
 	// CSS escapes http://www.w3.org/TR/CSS21/syndata.html#escaped-characters
@@ -1005,12 +694,12 @@ var i,
 	funescape = function( _, escaped, escapedWhitespace ) {
 		var high = "0x" + escaped - 0x10000;
 		// NaN means non-codepoint
-		// Support: Firefox
+		// Support: Firefox<24
 		// Workaround erroneous numeric interpretation of +"0x"
 		return high !== high || escapedWhitespace ?
 			escaped :
-			// BMP codepoint
 			high < 0 ?
+				// BMP codepoint
 				String.fromCharCode( high + 0x10000 ) :
 				// Supplemental Plane codepoint (surrogate pair)
 				String.fromCharCode( high >> 10 | 0xD800, high & 0x3FF | 0xDC00 );
@@ -1074,7 +763,7 @@ function Sizzle( selector, context, results, seed ) {
 				if ( nodeType === 9 ) {
 					elem = context.getElementById( m );
 					// Check parentNode to catch when Blackberry 4.6 returns
-					// nodes that are no longer in the document #6963
+					// nodes that are no longer in the document (jQuery #6963)
 					if ( elem && elem.parentNode ) {
 						// Handle the case where IE, Opera, and Webkit return items
 						// by name instead of ID
@@ -1130,7 +819,7 @@ function Sizzle( selector, context, results, seed ) {
 				while ( i-- ) {
 					groups[i] = nid + toSelector( groups[i] );
 				}
-				newContext = rsibling.test( selector ) && context.parentNode || context;
+				newContext = rsibling.test( selector ) && testContext( context.parentNode ) || context;
 				newSelector = groups.join(",");
 			}
 
@@ -1165,11 +854,11 @@ function createCache() {
 
 	function cache( key, value ) {
 		// Use (key + " ") to avoid collision with native prototype properties (see Issue #157)
-		if ( keys.push( key += " " ) > Expr.cacheLength ) {
+		if ( keys.push( key + " " ) > Expr.cacheLength ) {
 			// Only keep the most recent entries
 			delete cache[ keys.shift() ];
 		}
-		return (cache[ key ] = value);
+		return (cache[ key + " " ] = value);
 	}
 	return cache;
 }
@@ -1292,8 +981,21 @@ function createPositionalPseudo( fn ) {
 }
 
 /**
- * Detect xml
+ * Checks a node for validity as a Sizzle context
+ * @param {Element|Object=} context
+ * @returns {Element|Object|Boolean} The input node if acceptable, otherwise a falsy value
+ */
+function testContext( context ) {
+	return context && typeof context.getElementsByTagName !== strundefined && context;
+}
+
+// Expose support vars for convenience
+support = Sizzle.support = {};
+
+/**
+ * Detects XML nodes
  * @param {Element|Object} elem An element or a document
+ * @returns {Boolean} True iff elem is a non-HTML XML node
  */
 isXML = Sizzle.isXML = function( elem ) {
 	// documentElement is verified for cases where it doesn't yet exist
@@ -1302,16 +1004,14 @@ isXML = Sizzle.isXML = function( elem ) {
 	return documentElement ? documentElement.nodeName !== "HTML" : false;
 };
 
-// Expose support vars for convenience
-support = Sizzle.support = {};
-
 /**
  * Sets document-related variables once based on the current document
  * @param {Element|Object} [doc] An element or document object to use to set the document
  * @returns {Object} Returns the current document
  */
 setDocument = Sizzle.setDocument = function( node ) {
-	var doc = node ? node.ownerDocument || node : preferredDoc,
+	var hasCompare,
+		doc = node ? node.ownerDocument || node : preferredDoc,
 		parent = doc.defaultView;
 
 	// If no document and documentElement is available, return
@@ -1330,10 +1030,17 @@ setDocument = Sizzle.setDocument = function( node ) {
 	// If iframe document is assigned to "document" variable and if iframe has been reloaded,
 	// IE will throw "permission denied" error when accessing "document" variable, see jQuery #13936
 	// IE6-8 do not support the defaultView property so parent will be undefined
-	if ( parent && parent.attachEvent && parent !== parent.top ) {
-		parent.attachEvent( "onbeforeunload", function() {
-			setDocument();
-		});
+	if ( parent && parent !== parent.top ) {
+		// IE11 does not have attachEvent, so all must suffer
+		if ( parent.addEventListener ) {
+			parent.addEventListener( "unload", function() {
+				setDocument();
+			}, false );
+		} else if ( parent.attachEvent ) {
+			parent.attachEvent( "onunload", function() {
+				setDocument();
+			});
+		}
 	}
 
 	/* Attributes
@@ -1356,7 +1063,7 @@ setDocument = Sizzle.setDocument = function( node ) {
 	});
 
 	// Check if getElementsByClassName can be trusted
-	support.getElementsByClassName = assert(function( div ) {
+	support.getElementsByClassName = rnative.test( doc.getElementsByClassName ) && assert(function( div ) {
 		div.innerHTML = "<div class='a'></div><div class='a i'></div>";
 
 		// Support: Safari<4
@@ -1383,7 +1090,7 @@ setDocument = Sizzle.setDocument = function( node ) {
 				var m = context.getElementById( id );
 				// Check parentNode to catch when Blackberry 4.6 returns
 				// nodes that are no longer in the document #6963
-				return m && m.parentNode ? [m] : [];
+				return m && m.parentNode ? [ m ] : [];
 			}
 		};
 		Expr.filter["ID"] = function( id ) {
@@ -1463,7 +1170,15 @@ setDocument = Sizzle.setDocument = function( node ) {
 			// setting a boolean content attribute,
 			// since its presence should be enough
 			// http://bugs.jquery.com/ticket/12359
-			div.innerHTML = "<select><option selected=''></option></select>";
+			div.innerHTML = "<select msallowclip=''><option selected=''></option></select>";
+
+			// Support: IE8, Opera 11-12.16
+			// Nothing should be selected when empty strings follow ^= or $= or *=
+			// The test attribute must be unknown in Opera but "safe" for WinRT
+			// http://msdn.microsoft.com/en-us/library/ie/hh465388.aspx#attribute_section
+			if ( div.querySelectorAll("[msallowclip^='']").length ) {
+				rbuggyQSA.push( "[*^$]=" + whitespace + "*(?:''|\"\")" );
+			}
 
 			// Support: IE8
 			// Boolean attributes and "value" are not treated correctly
@@ -1480,18 +1195,16 @@ setDocument = Sizzle.setDocument = function( node ) {
 		});
 
 		assert(function( div ) {
-
-			// Support: Opera 10-12/IE8
-			// ^= $= *= and empty values
-			// Should not select anything
 			// Support: Windows 8 Native Apps
-			// The type attribute is restricted during .innerHTML assignment
+			// The type and name attributes are restricted during .innerHTML assignment
 			var input = doc.createElement("input");
 			input.setAttribute( "type", "hidden" );
-			div.appendChild( input ).setAttribute( "t", "" );
+			div.appendChild( input ).setAttribute( "name", "D" );
 
-			if ( div.querySelectorAll("[t^='']").length ) {
-				rbuggyQSA.push( "[*^$]=" + whitespace + "*(?:''|\"\")" );
+			// Support: IE8
+			// Enforce case-sensitivity of name attribute
+			if ( div.querySelectorAll("[name=d]").length ) {
+				rbuggyQSA.push( "name" + whitespace + "*[*^$|!~]?=" );
 			}
 
 			// FF 3.5 - :enabled/:disabled and hidden elements (hidden elements are still enabled)
@@ -1506,7 +1219,8 @@ setDocument = Sizzle.setDocument = function( node ) {
 		});
 	}
 
-	if ( (support.matchesSelector = rnative.test( (matches = docElem.webkitMatchesSelector ||
+	if ( (support.matchesSelector = rnative.test( (matches = docElem.matches ||
+		docElem.webkitMatchesSelector ||
 		docElem.mozMatchesSelector ||
 		docElem.oMatchesSelector ||
 		docElem.msMatchesSelector) )) ) {
@@ -1528,11 +1242,12 @@ setDocument = Sizzle.setDocument = function( node ) {
 
 	/* Contains
 	---------------------------------------------------------------------- */
+	hasCompare = rnative.test( docElem.compareDocumentPosition );
 
 	// Element contains another
 	// Purposefully does not implement inclusive descendent
 	// As in, an element does not contain itself
-	contains = rnative.test( docElem.contains ) || docElem.compareDocumentPosition ?
+	contains = hasCompare || rnative.test( docElem.contains ) ?
 		function( a, b ) {
 			var adown = a.nodeType === 9 ? a.documentElement : a,
 				bup = b && b.parentNode;
@@ -1557,7 +1272,7 @@ setDocument = Sizzle.setDocument = function( node ) {
 	---------------------------------------------------------------------- */
 
 	// Document order sorting
-	sortOrder = docElem.compareDocumentPosition ?
+	sortOrder = hasCompare ?
 	function( a, b ) {
 
 		// Flag for duplicate removal
@@ -1566,34 +1281,46 @@ setDocument = Sizzle.setDocument = function( node ) {
 			return 0;
 		}
 
-		var compare = b.compareDocumentPosition && a.compareDocumentPosition && a.compareDocumentPosition( b );
-
+		// Sort on method existence if only one input has compareDocumentPosition
+		var compare = !a.compareDocumentPosition - !b.compareDocumentPosition;
 		if ( compare ) {
-			// Disconnected nodes
-			if ( compare & 1 ||
-				(!support.sortDetached && b.compareDocumentPosition( a ) === compare) ) {
-
-				// Choose the first element that is related to our preferred document
-				if ( a === doc || contains(preferredDoc, a) ) {
-					return -1;
-				}
-				if ( b === doc || contains(preferredDoc, b) ) {
-					return 1;
-				}
-
-				// Maintain original order
-				return sortInput ?
-					( indexOf.call( sortInput, a ) - indexOf.call( sortInput, b ) ) :
-					0;
-			}
-
-			return compare & 4 ? -1 : 1;
+			return compare;
 		}
 
-		// Not directly comparable, sort on existence of method
-		return a.compareDocumentPosition ? -1 : 1;
+		// Calculate position if both inputs belong to the same document
+		compare = ( a.ownerDocument || a ) === ( b.ownerDocument || b ) ?
+			a.compareDocumentPosition( b ) :
+
+			// Otherwise we know they are disconnected
+			1;
+
+		// Disconnected nodes
+		if ( compare & 1 ||
+			(!support.sortDetached && b.compareDocumentPosition( a ) === compare) ) {
+
+			// Choose the first element that is related to our preferred document
+			if ( a === doc || a.ownerDocument === preferredDoc && contains(preferredDoc, a) ) {
+				return -1;
+			}
+			if ( b === doc || b.ownerDocument === preferredDoc && contains(preferredDoc, b) ) {
+				return 1;
+			}
+
+			// Maintain original order
+			return sortInput ?
+				( indexOf.call( sortInput, a ) - indexOf.call( sortInput, b ) ) :
+				0;
+		}
+
+		return compare & 4 ? -1 : 1;
 	} :
 	function( a, b ) {
+		// Exit early if the nodes are identical
+		if ( a === b ) {
+			hasDuplicate = true;
+			return 0;
+		}
+
 		var cur,
 			i = 0,
 			aup = a.parentNode,
@@ -1601,13 +1328,8 @@ setDocument = Sizzle.setDocument = function( node ) {
 			ap = [ a ],
 			bp = [ b ];
 
-		// Exit early if the nodes are identical
-		if ( a === b ) {
-			hasDuplicate = true;
-			return 0;
-
 		// Parentless nodes are either documents or disconnected
-		} else if ( !aup || !bup ) {
+		if ( !aup || !bup ) {
 			return a === doc ? -1 :
 				b === doc ? 1 :
 				aup ? -1 :
@@ -1679,7 +1401,7 @@ Sizzle.matchesSelector = function( elem, expr ) {
 		} catch(e) {}
 	}
 
-	return Sizzle( expr, document, null, [elem] ).length > 0;
+	return Sizzle( expr, document, null, [ elem ] ).length > 0;
 };
 
 Sizzle.contains = function( context, elem ) {
@@ -1702,13 +1424,13 @@ Sizzle.attr = function( elem, name ) {
 			fn( elem, name, !documentIsHTML ) :
 			undefined;
 
-	return val === undefined ?
+	return val !== undefined ?
+		val :
 		support.attributes || !documentIsHTML ?
 			elem.getAttribute( name ) :
 			(val = elem.getAttributeNode(name)) && val.specified ?
 				val.value :
-				null :
-		val;
+				null;
 };
 
 Sizzle.error = function( msg ) {
@@ -1741,6 +1463,10 @@ Sizzle.uniqueSort = function( results ) {
 		}
 	}
 
+	// Clear input after sorting to release objects
+	// See https://github.com/jquery/sizzle/pull/225
+	sortInput = null;
+
 	return results;
 };
 
@@ -1756,13 +1482,13 @@ getText = Sizzle.getText = function( elem ) {
 
 	if ( !nodeType ) {
 		// If no nodeType, this is expected to be an array
-		for ( ; (node = elem[i]); i++ ) {
+		while ( (node = elem[i++]) ) {
 			// Do not traverse comment nodes
 			ret += getText( node );
 		}
 	} else if ( nodeType === 1 || nodeType === 9 || nodeType === 11 ) {
 		// Use textContent for elements
-		// innerText usage removed for consistency of new lines (see #11153)
+		// innerText usage removed for consistency of new lines (jQuery #11153)
 		if ( typeof elem.textContent === "string" ) {
 			return elem.textContent;
 		} else {
@@ -1804,7 +1530,7 @@ Expr = Sizzle.selectors = {
 			match[1] = match[1].replace( runescape, funescape );
 
 			// Move the given value to match[3] whether quoted or unquoted
-			match[3] = ( match[4] || match[5] || "" ).replace( runescape, funescape );
+			match[3] = ( match[3] || match[4] || match[5] || "" ).replace( runescape, funescape );
 
 			if ( match[2] === "~=" ) {
 				match[3] = " " + match[3] + " ";
@@ -1847,15 +1573,15 @@ Expr = Sizzle.selectors = {
 
 		"PSEUDO": function( match ) {
 			var excess,
-				unquoted = !match[5] && match[2];
+				unquoted = !match[6] && match[2];
 
 			if ( matchExpr["CHILD"].test( match[0] ) ) {
 				return null;
 			}
 
 			// Accept quoted arguments as-is
-			if ( match[3] && match[4] !== undefined ) {
-				match[2] = match[4];
+			if ( match[3] ) {
+				match[2] = match[4] || match[5] || "";
 
 			// Strip excess characters from unquoted arguments
 			} else if ( unquoted && rpseudo.test( unquoted ) &&
@@ -2159,12 +1885,11 @@ Expr = Sizzle.selectors = {
 		// Contents
 		"empty": function( elem ) {
 			// http://www.w3.org/TR/selectors/#empty-pseudo
-			// :empty is only affected by element nodes and content nodes(including text(3), cdata(4)),
-			//   not comment, processing instructions, or others
-			// Thanks to Diego Perini for the nodeName shortcut
-			//   Greater than "@" means alpha characters (specifically not starting with "#" or "?")
+			// :empty is negated by element (1) or content nodes (text: 3; cdata: 4; entity ref: 5),
+			//   but not by others (comment: 8; processing instruction: 7; etc.)
+			// nodeType < 6 works because attributes (2) do not appear as children
 			for ( elem = elem.firstChild; elem; elem = elem.nextSibling ) {
-				if ( elem.nodeName > "@" || elem.nodeType === 3 || elem.nodeType === 4 ) {
+				if ( elem.nodeType < 6 ) {
 					return false;
 				}
 			}
@@ -2191,11 +1916,12 @@ Expr = Sizzle.selectors = {
 
 		"text": function( elem ) {
 			var attr;
-			// IE6 and 7 will map elem.type to 'text' for new HTML5 types (search, etc)
-			// use getAttribute instead to test this case
 			return elem.nodeName.toLowerCase() === "input" &&
 				elem.type === "text" &&
-				( (attr = elem.getAttribute("type")) == null || attr.toLowerCase() === elem.type );
+
+				// Support: IE<8
+				// New HTML5 attribute values (e.g., "search") appear with elem.type === "text"
+				( (attr = elem.getAttribute("type")) == null || attr.toLowerCase() === "text" );
 		},
 
 		// Position-in-collection
@@ -2260,7 +1986,7 @@ function setFilters() {}
 setFilters.prototype = Expr.filters = Expr.pseudos;
 Expr.setFilters = new setFilters();
 
-function tokenize( selector, parseOnly ) {
+tokenize = Sizzle.tokenize = function( selector, parseOnly ) {
 	var matched, match, tokens, type,
 		soFar, groups, preFilters,
 		cached = tokenCache[ selector + " " ];
@@ -2281,7 +2007,7 @@ function tokenize( selector, parseOnly ) {
 				// Don't consume trailing commas as valid
 				soFar = soFar.slice( match[0].length ) || soFar;
 			}
-			groups.push( tokens = [] );
+			groups.push( (tokens = []) );
 		}
 
 		matched = false;
@@ -2325,7 +2051,7 @@ function tokenize( selector, parseOnly ) {
 			Sizzle.error( selector ) :
 			// Cache the tokens
 			tokenCache( selector, groups ).slice( 0 );
-}
+};
 
 function toSelector( tokens ) {
 	var i = 0,
@@ -2354,8 +2080,8 @@ function addCombinator( matcher, combinator, base ) {
 
 		// Check against all ancestor/preceding elements
 		function( elem, context, xml ) {
-			var data, cache, outerCache,
-				dirkey = dirruns + " " + doneName;
+			var oldCache, outerCache,
+				newCache = [ dirruns, doneName ];
 
 			// We can't set arbitrary data on XML nodes, so they don't benefit from dir caching
 			if ( xml ) {
@@ -2370,14 +2096,17 @@ function addCombinator( matcher, combinator, base ) {
 				while ( (elem = elem[ dir ]) ) {
 					if ( elem.nodeType === 1 || checkNonElements ) {
 						outerCache = elem[ expando ] || (elem[ expando ] = {});
-						if ( (cache = outerCache[ dir ]) && cache[0] === dirkey ) {
-							if ( (data = cache[1]) === true || data === cachedruns ) {
-								return data === true;
-							}
+						if ( (oldCache = outerCache[ dir ]) &&
+							oldCache[ 0 ] === dirruns && oldCache[ 1 ] === doneName ) {
+
+							// Assign to newCache so results back-propagate to previous elements
+							return (newCache[ 2 ] = oldCache[ 2 ]);
 						} else {
-							cache = outerCache[ dir ] = [ dirkey ];
-							cache[1] = matcher( elem, context, xml ) || cachedruns;
-							if ( cache[1] === true ) {
+							// Reuse newcache so results back-propagate to previous elements
+							outerCache[ dir ] = newCache;
+
+							// A match means we're done; a fail means we have to keep checking
+							if ( (newCache[ 2 ] = matcher( elem, context, xml )) ) {
 								return true;
 							}
 						}
@@ -2401,6 +2130,15 @@ function elementMatcher( matchers ) {
 		matchers[0];
 }
 
+function multipleContexts( selector, contexts, results ) {
+	var i = 0,
+		len = contexts.length;
+	for ( ; i < len; i++ ) {
+		Sizzle( selector, contexts[i], results );
+	}
+	return results;
+}
+
 function condense( unmatched, map, filter, context, xml ) {
 	var elem,
 		newUnmatched = [],
@@ -2571,31 +2309,30 @@ function matcherFromTokens( tokens ) {
 }
 
 function matcherFromGroupMatchers( elementMatchers, setMatchers ) {
-	// A counter to specify which element is currently being matched
-	var matcherCachedRuns = 0,
-		bySet = setMatchers.length > 0,
+	var bySet = setMatchers.length > 0,
 		byElement = elementMatchers.length > 0,
-		superMatcher = function( seed, context, xml, results, expandContext ) {
+		superMatcher = function( seed, context, xml, results, outermost ) {
 			var elem, j, matcher,
-				setMatched = [],
 				matchedCount = 0,
 				i = "0",
 				unmatched = seed && [],
-				outermost = expandContext != null,
+				setMatched = [],
 				contextBackup = outermostContext,
-				// We must always have either seed elements or context
-				elems = seed || byElement && Expr.find["TAG"]( "*", expandContext && context.parentNode || context ),
+				// We must always have either seed elements or outermost context
+				elems = seed || byElement && Expr.find["TAG"]( "*", outermost ),
 				// Use integer dirruns iff this is the outermost matcher
-				dirrunsUnique = (dirruns += contextBackup == null ? 1 : Math.random() || 0.1);
+				dirrunsUnique = (dirruns += contextBackup == null ? 1 : Math.random() || 0.1),
+				len = elems.length;
 
 			if ( outermost ) {
 				outermostContext = context !== document && context;
-				cachedruns = matcherCachedRuns;
 			}
 
 			// Add elements passing elementMatchers directly to results
 			// Keep `i` a string if there are no elements so `matchedCount` will be "00" below
-			for ( ; (elem = elems[i]) != null; i++ ) {
+			// Support: IE<9, Safari
+			// Tolerate NodeList properties (IE: "length"; Safari: <number>) matching elements by id
+			for ( ; i !== len && (elem = elems[i]) != null; i++ ) {
 				if ( byElement && elem ) {
 					j = 0;
 					while ( (matcher = elementMatchers[j++]) ) {
@@ -2606,7 +2343,6 @@ function matcherFromGroupMatchers( elementMatchers, setMatchers ) {
 					}
 					if ( outermost ) {
 						dirruns = dirrunsUnique;
-						cachedruns = ++matcherCachedRuns;
 					}
 				}
 
@@ -2671,7 +2407,7 @@ function matcherFromGroupMatchers( elementMatchers, setMatchers ) {
 		superMatcher;
 }
 
-compile = Sizzle.compile = function( selector, group /* Internal Use Only */ ) {
+compile = Sizzle.compile = function( selector, match /* Internal Use Only */ ) {
 	var i,
 		setMatchers = [],
 		elementMatchers = [],
@@ -2679,12 +2415,12 @@ compile = Sizzle.compile = function( selector, group /* Internal Use Only */ ) {
 
 	if ( !cached ) {
 		// Generate a function of recursive functions that can be used to check each element
-		if ( !group ) {
-			group = tokenize( selector );
+		if ( !match ) {
+			match = tokenize( selector );
 		}
-		i = group.length;
+		i = match.length;
 		while ( i-- ) {
-			cached = matcherFromTokens( group[i] );
+			cached = matcherFromTokens( match[i] );
 			if ( cached[ expando ] ) {
 				setMatchers.push( cached );
 			} else {
@@ -2694,82 +2430,91 @@ compile = Sizzle.compile = function( selector, group /* Internal Use Only */ ) {
 
 		// Cache the compiled function
 		cached = compilerCache( selector, matcherFromGroupMatchers( elementMatchers, setMatchers ) );
+
+		// Save selector and tokenization
+		cached.selector = selector;
 	}
 	return cached;
 };
 
-function multipleContexts( selector, contexts, results ) {
-	var i = 0,
-		len = contexts.length;
-	for ( ; i < len; i++ ) {
-		Sizzle( selector, contexts[i], results );
-	}
-	return results;
-}
-
-function select( selector, context, results, seed ) {
+/**
+ * A low-level selection function that works with Sizzle's compiled
+ *  selector functions
+ * @param {String|Function} selector A selector or a pre-compiled
+ *  selector function built with Sizzle.compile
+ * @param {Element} context
+ * @param {Array} [results]
+ * @param {Array} [seed] A set of elements to match against
+ */
+select = Sizzle.select = function( selector, context, results, seed ) {
 	var i, tokens, token, type, find,
-		match = tokenize( selector );
+		compiled = typeof selector === "function" && selector,
+		match = !seed && tokenize( (selector = compiled.selector || selector) );
 
-	if ( !seed ) {
-		// Try to minimize operations if there is only one group
-		if ( match.length === 1 ) {
+	results = results || [];
 
-			// Take a shortcut and set the context if the root selector is an ID
-			tokens = match[0] = match[0].slice( 0 );
-			if ( tokens.length > 2 && (token = tokens[0]).type === "ID" &&
-					support.getById && context.nodeType === 9 && documentIsHTML &&
-					Expr.relative[ tokens[1].type ] ) {
+	// Try to minimize operations if there is no seed and only one group
+	if ( match.length === 1 ) {
 
-				context = ( Expr.find["ID"]( token.matches[0].replace(runescape, funescape), context ) || [] )[0];
-				if ( !context ) {
-					return results;
-				}
-				selector = selector.slice( tokens.shift().value.length );
+		// Take a shortcut and set the context if the root selector is an ID
+		tokens = match[0] = match[0].slice( 0 );
+		if ( tokens.length > 2 && (token = tokens[0]).type === "ID" &&
+				support.getById && context.nodeType === 9 && documentIsHTML &&
+				Expr.relative[ tokens[1].type ] ) {
+
+			context = ( Expr.find["ID"]( token.matches[0].replace(runescape, funescape), context ) || [] )[0];
+			if ( !context ) {
+				return results;
+
+			// Precompiled matchers will still verify ancestry, so step up a level
+			} else if ( compiled ) {
+				context = context.parentNode;
 			}
 
-			// Fetch a seed set for right-to-left matching
-			i = matchExpr["needsContext"].test( selector ) ? 0 : tokens.length;
-			while ( i-- ) {
-				token = tokens[i];
+			selector = selector.slice( tokens.shift().value.length );
+		}
 
-				// Abort if we hit a combinator
-				if ( Expr.relative[ (type = token.type) ] ) {
-					break;
-				}
-				if ( (find = Expr.find[ type ]) ) {
-					// Search, expanding context for leading sibling combinators
-					if ( (seed = find(
-						token.matches[0].replace( runescape, funescape ),
-						rsibling.test( tokens[0].type ) && context.parentNode || context
-					)) ) {
+		// Fetch a seed set for right-to-left matching
+		i = matchExpr["needsContext"].test( selector ) ? 0 : tokens.length;
+		while ( i-- ) {
+			token = tokens[i];
 
-						// If seed is empty or no tokens remain, we can return early
-						tokens.splice( i, 1 );
-						selector = seed.length && toSelector( tokens );
-						if ( !selector ) {
-							push.apply( results, seed );
-							return results;
-						}
+			// Abort if we hit a combinator
+			if ( Expr.relative[ (type = token.type) ] ) {
+				break;
+			}
+			if ( (find = Expr.find[ type ]) ) {
+				// Search, expanding context for leading sibling combinators
+				if ( (seed = find(
+					token.matches[0].replace( runescape, funescape ),
+					rsibling.test( tokens[0].type ) && testContext( context.parentNode ) || context
+				)) ) {
 
-						break;
+					// If seed is empty or no tokens remain, we can return early
+					tokens.splice( i, 1 );
+					selector = seed.length && toSelector( tokens );
+					if ( !selector ) {
+						push.apply( results, seed );
+						return results;
 					}
+
+					break;
 				}
 			}
 		}
 	}
 
-	// Compile and execute a filtering function
+	// Compile and execute a filtering function if one is not provided
 	// Provide `match` to avoid retokenization if we modified the selector above
-	compile( selector, match )(
+	( compiled || compile( selector, match ) )(
 		seed,
 		context,
 		!documentIsHTML,
 		results,
-		rsibling.test( selector )
+		rsibling.test( selector ) && testContext( context.parentNode ) || context
 	);
 	return results;
-}
+};
 
 // One-time assignments
 
@@ -2778,7 +2523,7 @@ support.sortStable = expando.split("").sort( sortOrder ).join("") === expando;
 
 // Support: Chrome<14
 // Always assume duplicates if they aren't passed to the comparison function
-support.detectDuplicates = hasDuplicate;
+support.detectDuplicates = !!hasDuplicate;
 
 // Initialize against the default document
 setDocument();
@@ -2826,13 +2571,20 @@ if ( !assert(function( div ) {
 	addHandle( booleans, function( elem, name, isXML ) {
 		var val;
 		if ( !isXML ) {
-			return (val = elem.getAttributeNode( name )) && val.specified ?
-				val.value :
-				elem[ name ] === true ? name.toLowerCase() : null;
+			return elem[ name ] === true ? name.toLowerCase() :
+					(val = elem.getAttributeNode( name )) && val.specified ?
+					val.value :
+				null;
 		}
 	});
 }
 
+return Sizzle;
+
+})( window );
+
+
+
 jQuery.find = Sizzle;
 jQuery.expr = Sizzle.selectors;
 jQuery.expr[":"] = jQuery.expr.pseudos;
@@ -2842,14 +2594,422 @@ jQuery.isXMLDoc = Sizzle.isXML;
 jQuery.contains = Sizzle.contains;
 
 
-})( window );
+
+var rneedsContext = jQuery.expr.match.needsContext;
+
+var rsingleTag = (/^<(\w+)\s*\/?>(?:<\/\1>|)$/);
+
+
+
+var risSimple = /^.[^:#\[\.,]*$/;
+
+// Implement the identical functionality for filter and not
+function winnow( elements, qualifier, not ) {
+	if ( jQuery.isFunction( qualifier ) ) {
+		return jQuery.grep( elements, function( elem, i ) {
+			/* jshint -W018 */
+			return !!qualifier.call( elem, i, elem ) !== not;
+		});
+
+	}
+
+	if ( qualifier.nodeType ) {
+		return jQuery.grep( elements, function( elem ) {
+			return ( elem === qualifier ) !== not;
+		});
+
+	}
+
+	if ( typeof qualifier === "string" ) {
+		if ( risSimple.test( qualifier ) ) {
+			return jQuery.filter( qualifier, elements, not );
+		}
+
+		qualifier = jQuery.filter( qualifier, elements );
+	}
+
+	return jQuery.grep( elements, function( elem ) {
+		return ( indexOf.call( qualifier, elem ) >= 0 ) !== not;
+	});
+}
+
+jQuery.filter = function( expr, elems, not ) {
+	var elem = elems[ 0 ];
+
+	if ( not ) {
+		expr = ":not(" + expr + ")";
+	}
+
+	return elems.length === 1 && elem.nodeType === 1 ?
+		jQuery.find.matchesSelector( elem, expr ) ? [ elem ] : [] :
+		jQuery.find.matches( expr, jQuery.grep( elems, function( elem ) {
+			return elem.nodeType === 1;
+		}));
+};
+
+jQuery.fn.extend({
+	find: function( selector ) {
+		var i,
+			len = this.length,
+			ret = [],
+			self = this;
+
+		if ( typeof selector !== "string" ) {
+			return this.pushStack( jQuery( selector ).filter(function() {
+				for ( i = 0; i < len; i++ ) {
+					if ( jQuery.contains( self[ i ], this ) ) {
+						return true;
+					}
+				}
+			}) );
+		}
+
+		for ( i = 0; i < len; i++ ) {
+			jQuery.find( selector, self[ i ], ret );
+		}
+
+		// Needed because $( selector, context ) becomes $( context ).find( selector )
+		ret = this.pushStack( len > 1 ? jQuery.unique( ret ) : ret );
+		ret.selector = this.selector ? this.selector + " " + selector : selector;
+		return ret;
+	},
+	filter: function( selector ) {
+		return this.pushStack( winnow(this, selector || [], false) );
+	},
+	not: function( selector ) {
+		return this.pushStack( winnow(this, selector || [], true) );
+	},
+	is: function( selector ) {
+		return !!winnow(
+			this,
+
+			// If this is a positional/relative selector, check membership in the returned set
+			// so $("p:first").is("p:last") won't return true for a doc with two "p".
+			typeof selector === "string" && rneedsContext.test( selector ) ?
+				jQuery( selector ) :
+				selector || [],
+			false
+		).length;
+	}
+});
+
+
+// Initialize a jQuery object
+
+
+// A central reference to the root jQuery(document)
+var rootjQuery,
+
+	// A simple way to check for HTML strings
+	// Prioritize #id over <tag> to avoid XSS via location.hash (#9521)
+	// Strict HTML recognition (#11290: must start with <)
+	rquickExpr = /^(?:\s*(<[\w\W]+>)[^>]*|#([\w-]*))$/,
+
+	init = jQuery.fn.init = function( selector, context ) {
+		var match, elem;
+
+		// HANDLE: $(""), $(null), $(undefined), $(false)
+		if ( !selector ) {
+			return this;
+		}
+
+		// Handle HTML strings
+		if ( typeof selector === "string" ) {
+			if ( selector[0] === "<" && selector[ selector.length - 1 ] === ">" && selector.length >= 3 ) {
+				// Assume that strings that start and end with <> are HTML and skip the regex check
+				match = [ null, selector, null ];
+
+			} else {
+				match = rquickExpr.exec( selector );
+			}
+
+			// Match html or make sure no context is specified for #id
+			if ( match && (match[1] || !context) ) {
+
+				// HANDLE: $(html) -> $(array)
+				if ( match[1] ) {
+					context = context instanceof jQuery ? context[0] : context;
+
+					// scripts is true for back-compat
+					// Intentionally let the error be thrown if parseHTML is not present
+					jQuery.merge( this, jQuery.parseHTML(
+						match[1],
+						context && context.nodeType ? context.ownerDocument || context : document,
+						true
+					) );
+
+					// HANDLE: $(html, props)
+					if ( rsingleTag.test( match[1] ) && jQuery.isPlainObject( context ) ) {
+						for ( match in context ) {
+							// Properties of context are called as methods if possible
+							if ( jQuery.isFunction( this[ match ] ) ) {
+								this[ match ]( context[ match ] );
+
+							// ...and otherwise set as attributes
+							} else {
+								this.attr( match, context[ match ] );
+							}
+						}
+					}
+
+					return this;
+
+				// HANDLE: $(#id)
+				} else {
+					elem = document.getElementById( match[2] );
+
+					// Check parentNode to catch when Blackberry 4.6 returns
+					// nodes that are no longer in the document #6963
+					if ( elem && elem.parentNode ) {
+						// Inject the element directly into the jQuery object
+						this.length = 1;
+						this[0] = elem;
+					}
+
+					this.context = document;
+					this.selector = selector;
+					return this;
+				}
+
+			// HANDLE: $(expr, $(...))
+			} else if ( !context || context.jquery ) {
+				return ( context || rootjQuery ).find( selector );
+
+			// HANDLE: $(expr, context)
+			// (which is just equivalent to: $(context).find(expr)
+			} else {
+				return this.constructor( context ).find( selector );
+			}
+
+		// HANDLE: $(DOMElement)
+		} else if ( selector.nodeType ) {
+			this.context = this[0] = selector;
+			this.length = 1;
+			return this;
+
+		// HANDLE: $(function)
+		// Shortcut for document ready
+		} else if ( jQuery.isFunction( selector ) ) {
+			return typeof rootjQuery.ready !== "undefined" ?
+				rootjQuery.ready( selector ) :
+				// Execute immediately if ready is not present
+				selector( jQuery );
+		}
+
+		if ( selector.selector !== undefined ) {
+			this.selector = selector.selector;
+			this.context = selector.context;
+		}
+
+		return jQuery.makeArray( selector, this );
+	};
+
+// Give the init function the jQuery prototype for later instantiation
+init.prototype = jQuery.fn;
+
+// Initialize central reference
+rootjQuery = jQuery( document );
+
+
+var rparentsprev = /^(?:parents|prev(?:Until|All))/,
+	// methods guaranteed to produce a unique set when starting from a unique set
+	guaranteedUnique = {
+		children: true,
+		contents: true,
+		next: true,
+		prev: true
+	};
+
+jQuery.extend({
+	dir: function( elem, dir, until ) {
+		var matched = [],
+			truncate = until !== undefined;
+
+		while ( (elem = elem[ dir ]) && elem.nodeType !== 9 ) {
+			if ( elem.nodeType === 1 ) {
+				if ( truncate && jQuery( elem ).is( until ) ) {
+					break;
+				}
+				matched.push( elem );
+			}
+		}
+		return matched;
+	},
+
+	sibling: function( n, elem ) {
+		var matched = [];
+
+		for ( ; n; n = n.nextSibling ) {
+			if ( n.nodeType === 1 && n !== elem ) {
+				matched.push( n );
+			}
+		}
+
+		return matched;
+	}
+});
+
+jQuery.fn.extend({
+	has: function( target ) {
+		var targets = jQuery( target, this ),
+			l = targets.length;
+
+		return this.filter(function() {
+			var i = 0;
+			for ( ; i < l; i++ ) {
+				if ( jQuery.contains( this, targets[i] ) ) {
+					return true;
+				}
+			}
+		});
+	},
+
+	closest: function( selectors, context ) {
+		var cur,
+			i = 0,
+			l = this.length,
+			matched = [],
+			pos = rneedsContext.test( selectors ) || typeof selectors !== "string" ?
+				jQuery( selectors, context || this.context ) :
+				0;
+
+		for ( ; i < l; i++ ) {
+			for ( cur = this[i]; cur && cur !== context; cur = cur.parentNode ) {
+				// Always skip document fragments
+				if ( cur.nodeType < 11 && (pos ?
+					pos.index(cur) > -1 :
+
+					// Don't pass non-elements to Sizzle
+					cur.nodeType === 1 &&
+						jQuery.find.matchesSelector(cur, selectors)) ) {
+
+					matched.push( cur );
+					break;
+				}
+			}
+		}
+
+		return this.pushStack( matched.length > 1 ? jQuery.unique( matched ) : matched );
+	},
+
+	// Determine the position of an element within
+	// the matched set of elements
+	index: function( elem ) {
+
+		// No argument, return index in parent
+		if ( !elem ) {
+			return ( this[ 0 ] && this[ 0 ].parentNode ) ? this.first().prevAll().length : -1;
+		}
+
+		// index in selector
+		if ( typeof elem === "string" ) {
+			return indexOf.call( jQuery( elem ), this[ 0 ] );
+		}
+
+		// Locate the position of the desired element
+		return indexOf.call( this,
+
+			// If it receives a jQuery object, the first element is used
+			elem.jquery ? elem[ 0 ] : elem
+		);
+	},
+
+	add: function( selector, context ) {
+		return this.pushStack(
+			jQuery.unique(
+				jQuery.merge( this.get(), jQuery( selector, context ) )
+			)
+		);
+	},
+
+	addBack: function( selector ) {
+		return this.add( selector == null ?
+			this.prevObject : this.prevObject.filter(selector)
+		);
+	}
+});
+
+function sibling( cur, dir ) {
+	while ( (cur = cur[dir]) && cur.nodeType !== 1 ) {}
+	return cur;
+}
+
+jQuery.each({
+	parent: function( elem ) {
+		var parent = elem.parentNode;
+		return parent && parent.nodeType !== 11 ? parent : null;
+	},
+	parents: function( elem ) {
+		return jQuery.dir( elem, "parentNode" );
+	},
+	parentsUntil: function( elem, i, until ) {
+		return jQuery.dir( elem, "parentNode", until );
+	},
+	next: function( elem ) {
+		return sibling( elem, "nextSibling" );
+	},
+	prev: function( elem ) {
+		return sibling( elem, "previousSibling" );
+	},
+	nextAll: function( elem ) {
+		return jQuery.dir( elem, "nextSibling" );
+	},
+	prevAll: function( elem ) {
+		return jQuery.dir( elem, "previousSibling" );
+	},
+	nextUntil: function( elem, i, until ) {
+		return jQuery.dir( elem, "nextSibling", until );
+	},
+	prevUntil: function( elem, i, until ) {
+		return jQuery.dir( elem, "previousSibling", until );
+	},
+	siblings: function( elem ) {
+		return jQuery.sibling( ( elem.parentNode || {} ).firstChild, elem );
+	},
+	children: function( elem ) {
+		return jQuery.sibling( elem.firstChild );
+	},
+	contents: function( elem ) {
+		return elem.contentDocument || jQuery.merge( [], elem.childNodes );
+	}
+}, function( name, fn ) {
+	jQuery.fn[ name ] = function( until, selector ) {
+		var matched = jQuery.map( this, fn, until );
+
+		if ( name.slice( -5 ) !== "Until" ) {
+			selector = until;
+		}
+
+		if ( selector && typeof selector === "string" ) {
+			matched = jQuery.filter( selector, matched );
+		}
+
+		if ( this.length > 1 ) {
+			// Remove duplicates
+			if ( !guaranteedUnique[ name ] ) {
+				jQuery.unique( matched );
+			}
+
+			// Reverse order for parents* and prev-derivatives
+			if ( rparentsprev.test( name ) ) {
+				matched.reverse();
+			}
+		}
+
+		return this.pushStack( matched );
+	};
+});
+var rnotwhite = (/\S+/g);
+
+
+
 // String to Object options format cache
 var optionsCache = {};
 
 // Convert String-formatted options into Object-formatted ones and store in cache
 function createOptions( options ) {
 	var object = optionsCache[ options ] = {};
-	jQuery.each( options.match( core_rnotwhite ) || [], function( _, flag ) {
+	jQuery.each( options.match( rnotwhite ) || [], function( _, flag ) {
 		object[ flag ] = true;
 	});
 	return object;
@@ -2966,7 +3126,7 @@ jQuery.Callbacks = function( options ) {
 				if ( list ) {
 					jQuery.each( arguments, function( _, arg ) {
 						var index;
-						while( ( index = jQuery.inArray( arg, list, index ) ) > -1 ) {
+						while ( ( index = jQuery.inArray( arg, list, index ) ) > -1 ) {
 							list.splice( index, 1 );
 							// Handle firing indexes
 							if ( firing ) {
@@ -3040,6 +3200,8 @@ jQuery.Callbacks = function( options ) {
 
 	return self;
 };
+
+
 jQuery.extend({
 
 	Deferred: function( func ) {
@@ -3062,8 +3224,7 @@ jQuery.extend({
 					var fns = arguments;
 					return jQuery.Deferred(function( newDefer ) {
 						jQuery.each( tuples, function( i, tuple ) {
-							var action = tuple[ 0 ],
-								fn = jQuery.isFunction( fns[ i ] ) && fns[ i ];
+							var fn = jQuery.isFunction( fns[ i ] ) && fns[ i ];
 							// deferred[ done | fail | progress ] for forwarding actions to newDefer
 							deferred[ tuple[1] ](function() {
 								var returned = fn && fn.apply( this, arguments );
@@ -3073,7 +3234,7 @@ jQuery.extend({
 										.fail( newDefer.reject )
 										.progress( newDefer.notify );
 								} else {
-									newDefer[ action + "With" ]( this === promise ? newDefer.promise() : this, fn ? [ returned ] : arguments );
+									newDefer[ tuple[ 0 ] + "With" ]( this === promise ? newDefer.promise() : this, fn ? [ returned ] : arguments );
 								}
 							});
 						});
@@ -3132,7 +3293,7 @@ jQuery.extend({
 	// Deferred helper
 	when: function( subordinate /* , ..., subordinateN */ ) {
 		var i = 0,
-			resolveValues = core_slice.call( arguments ),
+			resolveValues = slice.call( arguments ),
 			length = resolveValues.length,
 
 			// the count of uncompleted subordinates
@@ -3145,8 +3306,8 @@ jQuery.extend({
 			updateFunc = function( i, contexts, values ) {
 				return function( value ) {
 					contexts[ i ] = this;
-					values[ i ] = arguments.length > 1 ? core_slice.call( arguments ) : value;
-					if( values === progressValues ) {
+					values[ i ] = arguments.length > 1 ? slice.call( arguments ) : value;
+					if ( values === progressValues ) {
 						deferred.notifyWith( contexts, values );
 					} else if ( !( --remaining ) ) {
 						deferred.resolveWith( contexts, values );
@@ -3181,133 +3342,169 @@ jQuery.extend({
 		return deferred.promise();
 	}
 });
-jQuery.support = (function( support ) {
-	var input = document.createElement("input"),
-		fragment = document.createDocumentFragment(),
-		div = document.createElement("div"),
-		select = document.createElement("select"),
-		opt = select.appendChild( document.createElement("option") );
 
-	// Finish early in limited environments
-	if ( !input.type ) {
-		return support;
-	}
 
-	input.type = "checkbox";
+// The deferred used on DOM ready
+var readyList;
 
-	// Support: Safari 5.1, iOS 5.1, Android 4.x, Android 2.3
-	// Check the default checkbox/radio value ("" on old WebKit; "on" elsewhere)
-	support.checkOn = input.value !== "";
+jQuery.fn.ready = function( fn ) {
+	// Add the callback
+	jQuery.ready.promise().done( fn );
 
-	// Must access the parent to make an option select properly
-	// Support: IE9, IE10
-	support.optSelected = opt.selected;
+	return this;
+};
 
-	// Will be defined later
-	support.reliableMarginRight = true;
-	support.boxSizingReliable = true;
-	support.pixelPosition = false;
+jQuery.extend({
+	// Is the DOM ready to be used? Set to true once it occurs.
+	isReady: false,
 
-	// Make sure checked status is properly cloned
-	// Support: IE9, IE10
-	input.checked = true;
-	support.noCloneChecked = input.cloneNode( true ).checked;
+	// A counter to track how many items to wait for before
+	// the ready event fires. See #6781
+	readyWait: 1,
 
-	// Make sure that the options inside disabled selects aren't marked as disabled
-	// (WebKit marks them as disabled)
-	select.disabled = true;
-	support.optDisabled = !opt.disabled;
+	// Hold (or release) the ready event
+	holdReady: function( hold ) {
+		if ( hold ) {
+			jQuery.readyWait++;
+		} else {
+			jQuery.ready( true );
+		}
+	},
 
-	// Check if an input maintains its value after becoming a radio
-	// Support: IE9, IE10
-	input = document.createElement("input");
-	input.value = "t";
-	input.type = "radio";
-	support.radioValue = input.value === "t";
+	// Handle when the DOM is ready
+	ready: function( wait ) {
 
-	// #11217 - WebKit loses check when the name is after the checked attribute
-	input.setAttribute( "checked", "t" );
-	input.setAttribute( "name", "t" );
-
-	fragment.appendChild( input );
-
-	// Support: Safari 5.1, Android 4.x, Android 2.3
-	// old WebKit doesn't clone checked state correctly in fragments
-	support.checkClone = fragment.cloneNode( true ).cloneNode( true ).lastChild.checked;
-
-	// Support: Firefox, Chrome, Safari
-	// Beware of CSP restrictions (https://developer.mozilla.org/en/Security/CSP)
-	support.focusinBubbles = "onfocusin" in window;
-
-	div.style.backgroundClip = "content-box";
-	div.cloneNode( true ).style.backgroundClip = "";
-	support.clearCloneStyle = div.style.backgroundClip === "content-box";
-
-	// Run tests that need a body at doc ready
-	jQuery(function() {
-		var container, marginDiv,
-			// Support: Firefox, Android 2.3 (Prefixed box-sizing versions).
-			divReset = "padding:0;margin:0;border:0;display:block;-webkit-box-sizing:content-box;-moz-box-sizing:content-box;box-sizing:content-box",
-			body = document.getElementsByTagName("body")[ 0 ];
-
-		if ( !body ) {
-			// Return for frameset docs that don't have a body
+		// Abort if there are pending holds or we're already ready
+		if ( wait === true ? --jQuery.readyWait : jQuery.isReady ) {
 			return;
 		}
 
-		container = document.createElement("div");
-		container.style.cssText = "border:0;width:0;height:0;position:absolute;top:0;left:-9999px;margin-top:1px";
+		// Remember that the DOM is ready
+		jQuery.isReady = true;
 
-		// Check box-sizing and margin behavior.
-		body.appendChild( container ).appendChild( div );
-		div.innerHTML = "";
-		// Support: Firefox, Android 2.3 (Prefixed box-sizing versions).
-		div.style.cssText = "-webkit-box-sizing:border-box;-moz-box-sizing:border-box;box-sizing:border-box;padding:1px;border:1px;display:block;width:4px;margin-top:1%;position:absolute;top:1%";
-
-		// Workaround failing boxSizing test due to offsetWidth returning wrong value
-		// with some non-1 values of body zoom, ticket #13543
-		jQuery.swap( body, body.style.zoom != null ? { zoom: 1 } : {}, function() {
-			support.boxSizing = div.offsetWidth === 4;
-		});
-
-		// Use window.getComputedStyle because jsdom on node.js will break without it.
-		if ( window.getComputedStyle ) {
-			support.pixelPosition = ( window.getComputedStyle( div, null ) || {} ).top !== "1%";
-			support.boxSizingReliable = ( window.getComputedStyle( div, null ) || { width: "4px" } ).width === "4px";
-
-			// Support: Android 2.3
-			// Check if div with explicit width and no margin-right incorrectly
-			// gets computed margin-right based on width of container. (#3333)
-			// WebKit Bug 13343 - getComputedStyle returns wrong value for margin-right
-			marginDiv = div.appendChild( document.createElement("div") );
-			marginDiv.style.cssText = div.style.cssText = divReset;
-			marginDiv.style.marginRight = marginDiv.style.width = "0";
-			div.style.width = "1px";
-
-			support.reliableMarginRight =
-				!parseFloat( ( window.getComputedStyle( marginDiv, null ) || {} ).marginRight );
+		// If a normal DOM Ready event fired, decrement, and wait if need be
+		if ( wait !== true && --jQuery.readyWait > 0 ) {
+			return;
 		}
 
-		body.removeChild( container );
-	});
+		// If there are functions bound, to execute
+		readyList.resolveWith( document, [ jQuery ] );
 
-	return support;
-})( {} );
+		// Trigger any bound ready events
+		if ( jQuery.fn.triggerHandler ) {
+			jQuery( document ).triggerHandler( "ready" );
+			jQuery( document ).off( "ready" );
+		}
+	}
+});
 
-/*
-	Implementation Summary
+/**
+ * The ready event handler and self cleanup method
+ */
+function completed() {
+	document.removeEventListener( "DOMContentLoaded", completed, false );
+	window.removeEventListener( "load", completed, false );
+	jQuery.ready();
+}
+
+jQuery.ready.promise = function( obj ) {
+	if ( !readyList ) {
+
+		readyList = jQuery.Deferred();
+
+		// Catch cases where $(document).ready() is called after the browser event has already occurred.
+		// we once tried to use readyState "interactive" here, but it caused issues like the one
+		// discovered by ChrisS here: http://bugs.jquery.com/ticket/12282#comment:15
+		if ( document.readyState === "complete" ) {
+			// Handle it asynchronously to allow scripts the opportunity to delay ready
+			setTimeout( jQuery.ready );
+
+		} else {
+
+			// Use the handy event callback
+			document.addEventListener( "DOMContentLoaded", completed, false );
+
+			// A fallback to window.onload, that will always work
+			window.addEventListener( "load", completed, false );
+		}
+	}
+	return readyList.promise( obj );
+};
+
+// Kick off the DOM ready check even if the user does not
+jQuery.ready.promise();
+
+
+
+
+// Multifunctional method to get and set values of a collection
+// The value/s can optionally be executed if it's a function
+var access = jQuery.access = function( elems, fn, key, value, chainable, emptyGet, raw ) {
+	var i = 0,
+		len = elems.length,
+		bulk = key == null;
+
+	// Sets many values
+	if ( jQuery.type( key ) === "object" ) {
+		chainable = true;
+		for ( i in key ) {
+			jQuery.access( elems, fn, i, key[i], true, emptyGet, raw );
+		}
+
+	// Sets one value
+	} else if ( value !== undefined ) {
+		chainable = true;
+
+		if ( !jQuery.isFunction( value ) ) {
+			raw = true;
+		}
+
+		if ( bulk ) {
+			// Bulk operations run against the entire set
+			if ( raw ) {
+				fn.call( elems, value );
+				fn = null;
+
+			// ...except when executing function values
+			} else {
+				bulk = fn;
+				fn = function( elem, key, value ) {
+					return bulk.call( jQuery( elem ), value );
+				};
+			}
+		}
+
+		if ( fn ) {
+			for ( ; i < len; i++ ) {
+				fn( elems[i], key, raw ? value : value.call( elems[i], i, fn( elems[i], key ) ) );
+			}
+		}
+	}
+
+	return chainable ?
+		elems :
+
+		// Gets
+		bulk ?
+			fn.call( elems ) :
+			len ? fn( elems[0], key ) : emptyGet;
+};
+
+
+/**
+ * Determines whether an object can have data
+ */
+jQuery.acceptData = function( owner ) {
+	// Accepts only:
+	//  - Node
+	//    - Node.ELEMENT_NODE
+	//    - Node.DOCUMENT_NODE
+	//  - Object
+	//    - Any
+	/* jshint -W018 */
+	return owner.nodeType === 1 || owner.nodeType === 9 || !( +owner.nodeType );
+};
 
-	1. Enforce API surface and semantic compatibility with 1.9.x branch
-	2. Improve the module's maintainability by reducing the storage
-		paths to a single mechanism.
-	3. Use the same single mechanism to support "private" and "user" data.
-	4. _Never_ expose "private" data to user code (TODO: Drop _data, _removeData)
-	5. Avoid exposing implementation details on user objects (eg. expando properties)
-	6. Provide a clear path for implementation upgrade to WeakMap in 2014
-*/
-var data_user, data_priv,
-	rbrace = /(?:\{[\s\S]*\}|\[[\s\S]*\])$/,
-	rmultiDash = /([A-Z])/g;
 
 function Data() {
 	// Support: Android < 4,
@@ -3323,17 +3520,7 @@ function Data() {
 }
 
 Data.uid = 1;
-
-Data.accepts = function( owner ) {
-	// Accepts only:
-	//  - Node
-	//    - Node.ELEMENT_NODE
-	//    - Node.DOCUMENT_NODE
-	//  - Object
-	//    - Any
-	return owner.nodeType ?
-		owner.nodeType === 1 || owner.nodeType === 9 : true;
-};
+Data.accepts = jQuery.acceptData;
 
 Data.prototype = {
 	key: function( owner ) {
@@ -3470,7 +3657,7 @@ Data.prototype = {
 					// Otherwise, create an array by matching non-whitespace
 					name = camel;
 					name = name in cache ?
-						[ name ] : ( name.match( core_rnotwhite ) || [] );
+						[ name ] : ( name.match( rnotwhite ) || [] );
 				}
 			}
 
@@ -3491,15 +3678,56 @@ Data.prototype = {
 		}
 	}
 };
+var data_priv = new Data();
 
-// These may be used throughout the jQuery core codebase
-data_user = new Data();
-data_priv = new Data();
+var data_user = new Data();
 
 
+
+/*
+	Implementation Summary
+
+	1. Enforce API surface and semantic compatibility with 1.9.x branch
+	2. Improve the module's maintainability by reducing the storage
+		paths to a single mechanism.
+	3. Use the same single mechanism to support "private" and "user" data.
+	4. _Never_ expose "private" data to user code (TODO: Drop _data, _removeData)
+	5. Avoid exposing implementation details on user objects (eg. expando properties)
+	6. Provide a clear path for implementation upgrade to WeakMap in 2014
+*/
+var rbrace = /^(?:\{[\w\W]*\}|\[[\w\W]*\])$/,
+	rmultiDash = /([A-Z])/g;
+
+function dataAttr( elem, key, data ) {
+	var name;
+
+	// If nothing was found internally, try to fetch any
+	// data from the HTML5 data-* attribute
+	if ( data === undefined && elem.nodeType === 1 ) {
+		name = "data-" + key.replace( rmultiDash, "-$1" ).toLowerCase();
+		data = elem.getAttribute( name );
+
+		if ( typeof data === "string" ) {
+			try {
+				data = data === "true" ? true :
+					data === "false" ? false :
+					data === "null" ? null :
+					// Only convert to a number if it doesn't change the string
+					+data + "" === data ? +data :
+					rbrace.test( data ) ? jQuery.parseJSON( data ) :
+					data;
+			} catch( e ) {}
+
+			// Make sure we set the data so it isn't changed later
+			data_user.set( elem, key, data );
+		} else {
+			data = undefined;
+		}
+	}
+	return data;
+}
+
 jQuery.extend({
-	acceptData: Data.accepts,
-
 	hasData: function( elem ) {
 		return data_user.hasData( elem ) || data_priv.hasData( elem );
 	},
@@ -3525,10 +3753,9 @@ jQuery.extend({
 
 jQuery.fn.extend({
 	data: function( key, value ) {
-		var attrs, name,
+		var i, name, data,
 			elem = this[ 0 ],
-			i = 0,
-			data = null;
+			attrs = elem && elem.attributes;
 
 		// Gets all values
 		if ( key === undefined ) {
@@ -3536,8 +3763,8 @@ jQuery.fn.extend({
 				data = data_user.get( elem );
 
 				if ( elem.nodeType === 1 && !data_priv.get( elem, "hasDataAttrs" ) ) {
-					attrs = elem.attributes;
-					for ( ; i < attrs.length; i++ ) {
+					i = attrs.length;
+					while ( i-- ) {
 						name = attrs[ i ].name;
 
 						if ( name.indexOf( "data-" ) === 0 ) {
@@ -3559,7 +3786,7 @@ jQuery.fn.extend({
 			});
 		}
 
-		return jQuery.access( this, function( value ) {
+		return access( this, function( value ) {
 			var data,
 				camelKey = jQuery.camelCase( key );
 
@@ -3622,34 +3849,7 @@ jQuery.fn.extend({
 	}
 });
 
-function dataAttr( elem, key, data ) {
-	var name;
 
-	// If nothing was found internally, try to fetch any
-	// data from the HTML5 data-* attribute
-	if ( data === undefined && elem.nodeType === 1 ) {
-		name = "data-" + key.replace( rmultiDash, "-$1" ).toLowerCase();
-		data = elem.getAttribute( name );
-
-		if ( typeof data === "string" ) {
-			try {
-				data = data === "true" ? true :
-					data === "false" ? false :
-					data === "null" ? null :
-					// Only convert to a number if it doesn't change the string
-					+data + "" === data ? +data :
-					rbrace.test( data ) ? JSON.parse( data ) :
-					data;
-			} catch( e ) {}
-
-			// Make sure we set the data so it isn't changed later
-			data_user.set( elem, key, data );
-		} else {
-			data = undefined;
-		}
-	}
-	return data;
-}
 jQuery.extend({
 	queue: function( elem, type, data ) {
 		var queue;
@@ -3748,19 +3948,6 @@ jQuery.fn.extend({
 			jQuery.dequeue( this, type );
 		});
 	},
-	// Based off of the plugin by Clint Helfers, with permission.
-	// http://blindsignals.com/index.php/2009/07/jquery-delay/
-	delay: function( time, type ) {
-		time = jQuery.fx ? jQuery.fx.speeds[ time ] || time : time;
-		type = type || "fx";
-
-		return this.queue( type, function( next, hooks ) {
-			var timeout = setTimeout( next, time );
-			hooks.stop = function() {
-				clearTimeout( timeout );
-			};
-		});
-	},
 	clearQueue: function( type ) {
 		return this.queue( type || "fx", [] );
 	},
@@ -3784,7 +3971,7 @@ jQuery.fn.extend({
 		}
 		type = type || "fx";
 
-		while( i-- ) {
+		while ( i-- ) {
 			tmp = data_priv.get( elements[ i ], type + "queueHooks" );
 			if ( tmp && tmp.empty ) {
 				count++;
@@ -3795,510 +3982,54 @@ jQuery.fn.extend({
 		return defer.promise( obj );
 	}
 });
-var nodeHook, boolHook,
-	rclass = /[\t\r\n\f]/g,
-	rreturn = /\r/g,
-	rfocusable = /^(?:input|select|textarea|button)$/i;
+var pnum = (/[+-]?(?:\d*\.|)\d+(?:[eE][+-]?\d+|)/).source;
 
-jQuery.fn.extend({
-	attr: function( name, value ) {
-		return jQuery.access( this, jQuery.attr, name, value, arguments.length > 1 );
-	},
+var cssExpand = [ "Top", "Right", "Bottom", "Left" ];
 
-	removeAttr: function( name ) {
-		return this.each(function() {
-			jQuery.removeAttr( this, name );
-		});
-	},
-
-	prop: function( name, value ) {
-		return jQuery.access( this, jQuery.prop, name, value, arguments.length > 1 );
-	},
-
-	removeProp: function( name ) {
-		return this.each(function() {
-			delete this[ jQuery.propFix[ name ] || name ];
-		});
-	},
-
-	addClass: function( value ) {
-		var classes, elem, cur, clazz, j,
-			i = 0,
-			len = this.length,
-			proceed = typeof value === "string" && value;
-
-		if ( jQuery.isFunction( value ) ) {
-			return this.each(function( j ) {
-				jQuery( this ).addClass( value.call( this, j, this.className ) );
-			});
-		}
-
-		if ( proceed ) {
-			// The disjunction here is for better compressibility (see removeClass)
-			classes = ( value || "" ).match( core_rnotwhite ) || [];
-
-			for ( ; i < len; i++ ) {
-				elem = this[ i ];
-				cur = elem.nodeType === 1 && ( elem.className ?
-					( " " + elem.className + " " ).replace( rclass, " " ) :
-					" "
-				);
-
-				if ( cur ) {
-					j = 0;
-					while ( (clazz = classes[j++]) ) {
-						if ( cur.indexOf( " " + clazz + " " ) < 0 ) {
-							cur += clazz + " ";
-						}
-					}
-					elem.className = jQuery.trim( cur );
-
-				}
-			}
-		}
-
-		return this;
-	},
-
-	removeClass: function( value ) {
-		var classes, elem, cur, clazz, j,
-			i = 0,
-			len = this.length,
-			proceed = arguments.length === 0 || typeof value === "string" && value;
-
-		if ( jQuery.isFunction( value ) ) {
-			return this.each(function( j ) {
-				jQuery( this ).removeClass( value.call( this, j, this.className ) );
-			});
-		}
-		if ( proceed ) {
-			classes = ( value || "" ).match( core_rnotwhite ) || [];
-
-			for ( ; i < len; i++ ) {
-				elem = this[ i ];
-				// This expression is here for better compressibility (see addClass)
-				cur = elem.nodeType === 1 && ( elem.className ?
-					( " " + elem.className + " " ).replace( rclass, " " ) :
-					""
-				);
-
-				if ( cur ) {
-					j = 0;
-					while ( (clazz = classes[j++]) ) {
-						// Remove *all* instances
-						while ( cur.indexOf( " " + clazz + " " ) >= 0 ) {
-							cur = cur.replace( " " + clazz + " ", " " );
-						}
-					}
-					elem.className = value ? jQuery.trim( cur ) : "";
-				}
-			}
-		}
-
-		return this;
-	},
-
-	toggleClass: function( value, stateVal ) {
-		var type = typeof value;
-
-		if ( typeof stateVal === "boolean" && type === "string" ) {
-			return stateVal ? this.addClass( value ) : this.removeClass( value );
-		}
-
-		if ( jQuery.isFunction( value ) ) {
-			return this.each(function( i ) {
-				jQuery( this ).toggleClass( value.call(this, i, this.className, stateVal), stateVal );
-			});
-		}
-
-		return this.each(function() {
-			if ( type === "string" ) {
-				// toggle individual class names
-				var className,
-					i = 0,
-					self = jQuery( this ),
-					classNames = value.match( core_rnotwhite ) || [];
-
-				while ( (className = classNames[ i++ ]) ) {
-					// check each className given, space separated list
-					if ( self.hasClass( className ) ) {
-						self.removeClass( className );
-					} else {
-						self.addClass( className );
-					}
-				}
-
-			// Toggle whole class name
-			} else if ( type === core_strundefined || type === "boolean" ) {
-				if ( this.className ) {
-					// store className if set
-					data_priv.set( this, "__className__", this.className );
-				}
-
-				// If the element has a class name or if we're passed "false",
-				// then remove the whole classname (if there was one, the above saved it).
-				// Otherwise bring back whatever was previously saved (if anything),
-				// falling back to the empty string if nothing was stored.
-				this.className = this.className || value === false ? "" : data_priv.get( this, "__className__" ) || "";
-			}
-		});
-	},
-
-	hasClass: function( selector ) {
-		var className = " " + selector + " ",
-			i = 0,
-			l = this.length;
-		for ( ; i < l; i++ ) {
-			if ( this[i].nodeType === 1 && (" " + this[i].className + " ").replace(rclass, " ").indexOf( className ) >= 0 ) {
-				return true;
-			}
-		}
-
-		return false;
-	},
-
-	val: function( value ) {
-		var hooks, ret, isFunction,
-			elem = this[0];
-
-		if ( !arguments.length ) {
-			if ( elem ) {
-				hooks = jQuery.valHooks[ elem.type ] || jQuery.valHooks[ elem.nodeName.toLowerCase() ];
-
-				if ( hooks && "get" in hooks && (ret = hooks.get( elem, "value" )) !== undefined ) {
-					return ret;
-				}
-
-				ret = elem.value;
-
-				return typeof ret === "string" ?
-					// handle most common string cases
-					ret.replace(rreturn, "") :
-					// handle cases where value is null/undef or number
-					ret == null ? "" : ret;
-			}
-
-			return;
-		}
-
-		isFunction = jQuery.isFunction( value );
-
-		return this.each(function( i ) {
-			var val;
-
-			if ( this.nodeType !== 1 ) {
-				return;
-			}
-
-			if ( isFunction ) {
-				val = value.call( this, i, jQuery( this ).val() );
-			} else {
-				val = value;
-			}
-
-			// Treat null/undefined as ""; convert numbers to string
-			if ( val == null ) {
-				val = "";
-			} else if ( typeof val === "number" ) {
-				val += "";
-			} else if ( jQuery.isArray( val ) ) {
-				val = jQuery.map(val, function ( value ) {
-					return value == null ? "" : value + "";
-				});
-			}
-
-			hooks = jQuery.valHooks[ this.type ] || jQuery.valHooks[ this.nodeName.toLowerCase() ];
-
-			// If set returns undefined, fall back to normal setting
-			if ( !hooks || !("set" in hooks) || hooks.set( this, val, "value" ) === undefined ) {
-				this.value = val;
-			}
-		});
-	}
-});
-
-jQuery.extend({
-	valHooks: {
-		option: {
-			get: function( elem ) {
-				// attributes.value is undefined in Blackberry 4.7 but
-				// uses .value. See #6932
-				var val = elem.attributes.value;
-				return !val || val.specified ? elem.value : elem.text;
-			}
-		},
-		select: {
-			get: function( elem ) {
-				var value, option,
-					options = elem.options,
-					index = elem.selectedIndex,
-					one = elem.type === "select-one" || index < 0,
-					values = one ? null : [],
-					max = one ? index + 1 : options.length,
-					i = index < 0 ?
-						max :
-						one ? index : 0;
-
-				// Loop through all the selected options
-				for ( ; i < max; i++ ) {
-					option = options[ i ];
-
-					// IE6-9 doesn't update selected after form reset (#2551)
-					if ( ( option.selected || i === index ) &&
-							// Don't return options that are disabled or in a disabled optgroup
-							( jQuery.support.optDisabled ? !option.disabled : option.getAttribute("disabled") === null ) &&
-							( !option.parentNode.disabled || !jQuery.nodeName( option.parentNode, "optgroup" ) ) ) {
-
-						// Get the specific value for the option
-						value = jQuery( option ).val();
-
-						// We don't need an array for one selects
-						if ( one ) {
-							return value;
-						}
-
-						// Multi-Selects return an array
-						values.push( value );
-					}
-				}
-
-				return values;
-			},
-
-			set: function( elem, value ) {
-				var optionSet, option,
-					options = elem.options,
-					values = jQuery.makeArray( value ),
-					i = options.length;
-
-				while ( i-- ) {
-					option = options[ i ];
-					if ( (option.selected = jQuery.inArray( jQuery(option).val(), values ) >= 0) ) {
-						optionSet = true;
-					}
-				}
-
-				// force browsers to behave consistently when non-matching value is set
-				if ( !optionSet ) {
-					elem.selectedIndex = -1;
-				}
-				return values;
-			}
-		}
-	},
-
-	attr: function( elem, name, value ) {
-		var hooks, ret,
-			nType = elem.nodeType;
-
-		// don't get/set attributes on text, comment and attribute nodes
-		if ( !elem || nType === 3 || nType === 8 || nType === 2 ) {
-			return;
-		}
-
-		// Fallback to prop when attributes are not supported
-		if ( typeof elem.getAttribute === core_strundefined ) {
-			return jQuery.prop( elem, name, value );
-		}
-
-		// All attributes are lowercase
-		// Grab necessary hook if one is defined
-		if ( nType !== 1 || !jQuery.isXMLDoc( elem ) ) {
-			name = name.toLowerCase();
-			hooks = jQuery.attrHooks[ name ] ||
-				( jQuery.expr.match.bool.test( name ) ? boolHook : nodeHook );
-		}
-
-		if ( value !== undefined ) {
-
-			if ( value === null ) {
-				jQuery.removeAttr( elem, name );
-
-			} else if ( hooks && "set" in hooks && (ret = hooks.set( elem, value, name )) !== undefined ) {
-				return ret;
-
-			} else {
-				elem.setAttribute( name, value + "" );
-				return value;
-			}
-
-		} else if ( hooks && "get" in hooks && (ret = hooks.get( elem, name )) !== null ) {
-			return ret;
-
-		} else {
-			ret = jQuery.find.attr( elem, name );
-
-			// Non-existent attributes return null, we normalize to undefined
-			return ret == null ?
-				undefined :
-				ret;
-		}
-	},
-
-	removeAttr: function( elem, value ) {
-		var name, propName,
-			i = 0,
-			attrNames = value && value.match( core_rnotwhite );
-
-		if ( attrNames && elem.nodeType === 1 ) {
-			while ( (name = attrNames[i++]) ) {
-				propName = jQuery.propFix[ name ] || name;
-
-				// Boolean attributes get special treatment (#10870)
-				if ( jQuery.expr.match.bool.test( name ) ) {
-					// Set corresponding property to false
-					elem[ propName ] = false;
-				}
-
-				elem.removeAttribute( name );
-			}
-		}
-	},
-
-	attrHooks: {
-		type: {
-			set: function( elem, value ) {
-				if ( !jQuery.support.radioValue && value === "radio" && jQuery.nodeName(elem, "input") ) {
-					// Setting the type on a radio button after the value resets the value in IE6-9
-					// Reset value to default in case type is set after value during creation
-					var val = elem.value;
-					elem.setAttribute( "type", value );
-					if ( val ) {
-						elem.value = val;
-					}
-					return value;
-				}
-			}
-		}
-	},
-
-	propFix: {
-		"for": "htmlFor",
-		"class": "className"
-	},
-
-	prop: function( elem, name, value ) {
-		var ret, hooks, notxml,
-			nType = elem.nodeType;
-
-		// don't get/set properties on text, comment and attribute nodes
-		if ( !elem || nType === 3 || nType === 8 || nType === 2 ) {
-			return;
-		}
-
-		notxml = nType !== 1 || !jQuery.isXMLDoc( elem );
-
-		if ( notxml ) {
-			// Fix name and attach hooks
-			name = jQuery.propFix[ name ] || name;
-			hooks = jQuery.propHooks[ name ];
-		}
-
-		if ( value !== undefined ) {
-			return hooks && "set" in hooks && (ret = hooks.set( elem, value, name )) !== undefined ?
-				ret :
-				( elem[ name ] = value );
-
-		} else {
-			return hooks && "get" in hooks && (ret = hooks.get( elem, name )) !== null ?
-				ret :
-				elem[ name ];
-		}
-	},
-
-	propHooks: {
-		tabIndex: {
-			get: function( elem ) {
-				return elem.hasAttribute( "tabindex" ) || rfocusable.test( elem.nodeName ) || elem.href ?
-					elem.tabIndex :
-					-1;
-			}
-		}
-	}
-});
-
-// Hooks for boolean attributes
-boolHook = {
-	set: function( elem, value, name ) {
-		if ( value === false ) {
-			// Remove boolean attributes when set to false
-			jQuery.removeAttr( elem, name );
-		} else {
-			elem.setAttribute( name, name );
-		}
-		return name;
-	}
-};
-jQuery.each( jQuery.expr.match.bool.source.match( /\w+/g ), function( i, name ) {
-	var getter = jQuery.expr.attrHandle[ name ] || jQuery.find.attr;
-
-	jQuery.expr.attrHandle[ name ] = function( elem, name, isXML ) {
-		var fn = jQuery.expr.attrHandle[ name ],
-			ret = isXML ?
-				undefined :
-				/* jshint eqeqeq: false */
-				// Temporarily disable this handler to check existence
-				(jQuery.expr.attrHandle[ name ] = undefined) !=
-					getter( elem, name, isXML ) ?
-
-					name.toLowerCase() :
-					null;
-
-		// Restore handler
-		jQuery.expr.attrHandle[ name ] = fn;
-
-		return ret;
+var isHidden = function( elem, el ) {
+		// isHidden might be called from jQuery#filter function;
+		// in that case, element will be second argument
+		elem = el || elem;
+		return jQuery.css( elem, "display" ) === "none" || !jQuery.contains( elem.ownerDocument, elem );
 	};
-});
 
-// Support: IE9+
-// Selectedness for an option in an optgroup can be inaccurate
-if ( !jQuery.support.optSelected ) {
-	jQuery.propHooks.selected = {
-		get: function( elem ) {
-			var parent = elem.parentNode;
-			if ( parent && parent.parentNode ) {
-				parent.parentNode.selectedIndex;
-			}
-			return null;
-		}
-	};
-}
+var rcheckableType = (/^(?:checkbox|radio)$/i);
 
-jQuery.each([
-	"tabIndex",
-	"readOnly",
-	"maxLength",
-	"cellSpacing",
-	"cellPadding",
-	"rowSpan",
-	"colSpan",
-	"useMap",
-	"frameBorder",
-	"contentEditable"
-], function() {
-	jQuery.propFix[ this.toLowerCase() ] = this;
-});
 
-// Radios and checkboxes getter/setter
-jQuery.each([ "radio", "checkbox" ], function() {
-	jQuery.valHooks[ this ] = {
-		set: function( elem, value ) {
-			if ( jQuery.isArray( value ) ) {
-				return ( elem.checked = jQuery.inArray( jQuery(elem).val(), value ) >= 0 );
-			}
-		}
-	};
-	if ( !jQuery.support.checkOn ) {
-		jQuery.valHooks[ this ].get = function( elem ) {
-			// Support: Webkit
-			// "" is returned instead of "on" if a value isn't specified
-			return elem.getAttribute("value") === null ? "on" : elem.value;
-		};
-	}
-});
-var rkeyEvent = /^key/,
-	rmouseEvent = /^(?:mouse|contextmenu)|click/,
+
+(function() {
+	var fragment = document.createDocumentFragment(),
+		div = fragment.appendChild( document.createElement( "div" ) ),
+		input = document.createElement( "input" );
+
+	// #11217 - WebKit loses check when the name is after the checked attribute
+	// Support: Windows Web Apps (WWA)
+	// `name` and `type` need .setAttribute for WWA
+	input.setAttribute( "type", "radio" );
+	input.setAttribute( "checked", "checked" );
+	input.setAttribute( "name", "t" );
+
+	div.appendChild( input );
+
+	// Support: Safari 5.1, iOS 5.1, Android 4.x, Android 2.3
+	// old WebKit doesn't clone checked state correctly in fragments
+	support.checkClone = div.cloneNode( true ).cloneNode( true ).lastChild.checked;
+
+	// Make sure textarea (and checkbox) defaultValue is properly cloned
+	// Support: IE9-IE11+
+	div.innerHTML = "<textarea>x</textarea>";
+	support.noCloneChecked = !!div.cloneNode( true ).lastChild.defaultValue;
+})();
+var strundefined = typeof undefined;
+
+
+
+support.focusinBubbles = "onfocusin" in window;
+
+
+var
+	rkeyEvent = /^key/,
+	rmouseEvent = /^(?:mouse|pointer|contextmenu)|click/,
 	rfocusMorph = /^(?:focusinfocus|focusoutblur)$/,
 	rtypenamespace = /^([^.]*)(?:\.(.+)|)$/;
 
@@ -4356,16 +4087,13 @@ jQuery.event = {
 			eventHandle = elemData.handle = function( e ) {
 				// Discard the second event of a jQuery.event.trigger() and
 				// when an event is called after a page has unloaded
-				return typeof jQuery !== core_strundefined && (!e || jQuery.event.triggered !== e.type) ?
-					jQuery.event.dispatch.apply( eventHandle.elem, arguments ) :
-					undefined;
+				return typeof jQuery !== strundefined && jQuery.event.triggered !== e.type ?
+					jQuery.event.dispatch.apply( elem, arguments ) : undefined;
 			};
-			// Add elem as a property of the handle fn to prevent a memory leak with IE non-native events
-			eventHandle.elem = elem;
 		}
 
 		// Handle multiple events separated by a space
-		types = ( types || "" ).match( core_rnotwhite ) || [""];
+		types = ( types || "" ).match( rnotwhite ) || [ "" ];
 		t = types.length;
 		while ( t-- ) {
 			tmp = rtypenamespace.exec( types[t] ) || [];
@@ -4430,8 +4158,6 @@ jQuery.event = {
 			jQuery.event.global[ type ] = true;
 		}
 
-		// Nullify elem to prevent memory leaks in IE
-		elem = null;
 	},
 
 	// Detach an event or set of events from an element
@@ -4447,7 +4173,7 @@ jQuery.event = {
 		}
 
 		// Once for each type.namespace in types; type may be omitted
-		types = ( types || "" ).match( core_rnotwhite ) || [""];
+		types = ( types || "" ).match( rnotwhite ) || [ "" ];
 		t = types.length;
 		while ( t-- ) {
 			tmp = rtypenamespace.exec( types[t] ) || [];
@@ -4509,8 +4235,8 @@ jQuery.event = {
 
 		var i, cur, tmp, bubbleType, ontype, handle, special,
 			eventPath = [ elem || document ],
-			type = core_hasOwn.call( event, "type" ) ? event.type : event,
-			namespaces = core_hasOwn.call( event, "namespace" ) ? event.namespace.split(".") : [];
+			type = hasOwn.call( event, "type" ) ? event.type : event,
+			namespaces = hasOwn.call( event, "namespace" ) ? event.namespace.split(".") : [];
 
 		cur = tmp = elem = elem || document;
 
@@ -4596,8 +4322,11 @@ jQuery.event = {
 
 			// Native handler
 			handle = ontype && cur[ ontype ];
-			if ( handle && jQuery.acceptData( cur ) && handle.apply && handle.apply( cur, data ) === false ) {
-				event.preventDefault();
+			if ( handle && handle.apply && jQuery.acceptData( cur ) ) {
+				event.result = handle.apply( cur, data );
+				if ( event.result === false ) {
+					event.preventDefault();
+				}
 			}
 		}
 		event.type = type;
@@ -4641,7 +4370,7 @@ jQuery.event = {
 
 		var i, j, ret, matched, handleObj,
 			handlerQueue = [],
-			args = core_slice.call( arguments ),
+			args = slice.call( arguments ),
 			handlers = ( data_priv.get( this, "events" ) || {} )[ event.type ] || [],
 			special = jQuery.event.special[ event.type ] || {};
 
@@ -4822,7 +4551,7 @@ jQuery.event = {
 			event.target = event.target.parentNode;
 		}
 
-		return fixHook.filter? fixHook.filter( event, originalEvent ) : event;
+		return fixHook.filter ? fixHook.filter( event, originalEvent ) : event;
 	},
 
 	special: {
@@ -4869,7 +4598,7 @@ jQuery.event = {
 
 				// Support: Firefox 20+
 				// Firefox doesn't alert if the returnValue field is not set.
-				if ( event.result !== undefined ) {
+				if ( event.result !== undefined && event.originalEvent ) {
 					event.originalEvent.returnValue = event.result;
 				}
 			}
@@ -4919,8 +4648,12 @@ jQuery.Event = function( src, props ) {
 
 		// Events bubbling up the document may have been marked as prevented
 		// by a handler lower down the tree; reflect the correct value.
-		this.isDefaultPrevented = ( src.defaultPrevented ||
-			src.getPreventDefault && src.getPreventDefault() ) ? returnTrue : returnFalse;
+		this.isDefaultPrevented = src.defaultPrevented ||
+				src.defaultPrevented === undefined &&
+				// Support: Android < 4.0
+				src.returnValue === false ?
+			returnTrue :
+			returnFalse;
 
 	// Event type
 	} else {
@@ -4965,7 +4698,14 @@ jQuery.Event.prototype = {
 		}
 	},
 	stopImmediatePropagation: function() {
+		var e = this.originalEvent;
+
 		this.isImmediatePropagationStopped = returnTrue;
+
+		if ( e && e.stopImmediatePropagation ) {
+			e.stopImmediatePropagation();
+		}
+
 		this.stopPropagation();
 	}
 };
@@ -4974,7 +4714,9 @@ jQuery.Event.prototype = {
 // Support: Chrome 15+
 jQuery.each({
 	mouseenter: "mouseover",
-	mouseleave: "mouseout"
+	mouseleave: "mouseout",
+	pointerenter: "pointerover",
+	pointerleave: "pointerout"
 }, function( orig, fix ) {
 	jQuery.event.special[ orig ] = {
 		delegateType: fix,
@@ -5000,24 +4742,34 @@ jQuery.each({
 
 // Create "bubbling" focus and blur events
 // Support: Firefox, Chrome, Safari
-if ( !jQuery.support.focusinBubbles ) {
+if ( !support.focusinBubbles ) {
 	jQuery.each({ focus: "focusin", blur: "focusout" }, function( orig, fix ) {
 
-		// Attach a single capturing handler while someone wants focusin/focusout
-		var attaches = 0,
-			handler = function( event ) {
+		// Attach a single capturing handler on the document while someone wants focusin/focusout
+		var handler = function( event ) {
 				jQuery.event.simulate( fix, event.target, jQuery.event.fix( event ), true );
 			};
 
 		jQuery.event.special[ fix ] = {
 			setup: function() {
-				if ( attaches++ === 0 ) {
-					document.addEventListener( orig, handler, true );
+				var doc = this.ownerDocument || this,
+					attaches = data_priv.access( doc, fix );
+
+				if ( !attaches ) {
+					doc.addEventListener( orig, handler, true );
 				}
+				data_priv.access( doc, fix, ( attaches || 0 ) + 1 );
 			},
 			teardown: function() {
-				if ( --attaches === 0 ) {
-					document.removeEventListener( orig, handler, true );
+				var doc = this.ownerDocument || this,
+					attaches = data_priv.access( doc, fix ) - 1;
+
+				if ( !attaches ) {
+					doc.removeEventListener( orig, handler, true );
+					data_priv.remove( doc, fix );
+
+				} else {
+					data_priv.access( doc, fix, attaches );
 				}
 			}
 		};
@@ -5126,294 +4878,13 @@ jQuery.fn.extend({
 		}
 	}
 });
-var isSimple = /^.[^:#\[\.,]*$/,
-	rparentsprev = /^(?:parents|prev(?:Until|All))/,
-	rneedsContext = jQuery.expr.match.needsContext,
-	// methods guaranteed to produce a unique set when starting from a unique set
-	guaranteedUnique = {
-		children: true,
-		contents: true,
-		next: true,
-		prev: true
-	};
 
-jQuery.fn.extend({
-	find: function( selector ) {
-		var i,
-			ret = [],
-			self = this,
-			len = self.length;
 
-		if ( typeof selector !== "string" ) {
-			return this.pushStack( jQuery( selector ).filter(function() {
-				for ( i = 0; i < len; i++ ) {
-					if ( jQuery.contains( self[ i ], this ) ) {
-						return true;
-					}
-				}
-			}) );
-		}
-
-		for ( i = 0; i < len; i++ ) {
-			jQuery.find( selector, self[ i ], ret );
-		}
-
-		// Needed because $( selector, context ) becomes $( context ).find( selector )
-		ret = this.pushStack( len > 1 ? jQuery.unique( ret ) : ret );
-		ret.selector = this.selector ? this.selector + " " + selector : selector;
-		return ret;
-	},
-
-	has: function( target ) {
-		var targets = jQuery( target, this ),
-			l = targets.length;
-
-		return this.filter(function() {
-			var i = 0;
-			for ( ; i < l; i++ ) {
-				if ( jQuery.contains( this, targets[i] ) ) {
-					return true;
-				}
-			}
-		});
-	},
-
-	not: function( selector ) {
-		return this.pushStack( winnow(this, selector || [], true) );
-	},
-
-	filter: function( selector ) {
-		return this.pushStack( winnow(this, selector || [], false) );
-	},
-
-	is: function( selector ) {
-		return !!winnow(
-			this,
-
-			// If this is a positional/relative selector, check membership in the returned set
-			// so $("p:first").is("p:last") won't return true for a doc with two "p".
-			typeof selector === "string" && rneedsContext.test( selector ) ?
-				jQuery( selector ) :
-				selector || [],
-			false
-		).length;
-	},
-
-	closest: function( selectors, context ) {
-		var cur,
-			i = 0,
-			l = this.length,
-			matched = [],
-			pos = ( rneedsContext.test( selectors ) || typeof selectors !== "string" ) ?
-				jQuery( selectors, context || this.context ) :
-				0;
-
-		for ( ; i < l; i++ ) {
-			for ( cur = this[i]; cur && cur !== context; cur = cur.parentNode ) {
-				// Always skip document fragments
-				if ( cur.nodeType < 11 && (pos ?
-					pos.index(cur) > -1 :
-
-					// Don't pass non-elements to Sizzle
-					cur.nodeType === 1 &&
-						jQuery.find.matchesSelector(cur, selectors)) ) {
-
-					cur = matched.push( cur );
-					break;
-				}
-			}
-		}
-
-		return this.pushStack( matched.length > 1 ? jQuery.unique( matched ) : matched );
-	},
-
-	// Determine the position of an element within
-	// the matched set of elements
-	index: function( elem ) {
-
-		// No argument, return index in parent
-		if ( !elem ) {
-			return ( this[ 0 ] && this[ 0 ].parentNode ) ? this.first().prevAll().length : -1;
-		}
-
-		// index in selector
-		if ( typeof elem === "string" ) {
-			return core_indexOf.call( jQuery( elem ), this[ 0 ] );
-		}
-
-		// Locate the position of the desired element
-		return core_indexOf.call( this,
-
-			// If it receives a jQuery object, the first element is used
-			elem.jquery ? elem[ 0 ] : elem
-		);
-	},
-
-	add: function( selector, context ) {
-		var set = typeof selector === "string" ?
-				jQuery( selector, context ) :
-				jQuery.makeArray( selector && selector.nodeType ? [ selector ] : selector ),
-			all = jQuery.merge( this.get(), set );
-
-		return this.pushStack( jQuery.unique(all) );
-	},
-
-	addBack: function( selector ) {
-		return this.add( selector == null ?
-			this.prevObject : this.prevObject.filter(selector)
-		);
-	}
-});
-
-function sibling( cur, dir ) {
-	while ( (cur = cur[dir]) && cur.nodeType !== 1 ) {}
-
-	return cur;
-}
-
-jQuery.each({
-	parent: function( elem ) {
-		var parent = elem.parentNode;
-		return parent && parent.nodeType !== 11 ? parent : null;
-	},
-	parents: function( elem ) {
-		return jQuery.dir( elem, "parentNode" );
-	},
-	parentsUntil: function( elem, i, until ) {
-		return jQuery.dir( elem, "parentNode", until );
-	},
-	next: function( elem ) {
-		return sibling( elem, "nextSibling" );
-	},
-	prev: function( elem ) {
-		return sibling( elem, "previousSibling" );
-	},
-	nextAll: function( elem ) {
-		return jQuery.dir( elem, "nextSibling" );
-	},
-	prevAll: function( elem ) {
-		return jQuery.dir( elem, "previousSibling" );
-	},
-	nextUntil: function( elem, i, until ) {
-		return jQuery.dir( elem, "nextSibling", until );
-	},
-	prevUntil: function( elem, i, until ) {
-		return jQuery.dir( elem, "previousSibling", until );
-	},
-	siblings: function( elem ) {
-		return jQuery.sibling( ( elem.parentNode || {} ).firstChild, elem );
-	},
-	children: function( elem ) {
-		return jQuery.sibling( elem.firstChild );
-	},
-	contents: function( elem ) {
-		return elem.contentDocument || jQuery.merge( [], elem.childNodes );
-	}
-}, function( name, fn ) {
-	jQuery.fn[ name ] = function( until, selector ) {
-		var matched = jQuery.map( this, fn, until );
-
-		if ( name.slice( -5 ) !== "Until" ) {
-			selector = until;
-		}
-
-		if ( selector && typeof selector === "string" ) {
-			matched = jQuery.filter( selector, matched );
-		}
-
-		if ( this.length > 1 ) {
-			// Remove duplicates
-			if ( !guaranteedUnique[ name ] ) {
-				jQuery.unique( matched );
-			}
-
-			// Reverse order for parents* and prev-derivatives
-			if ( rparentsprev.test( name ) ) {
-				matched.reverse();
-			}
-		}
-
-		return this.pushStack( matched );
-	};
-});
-
-jQuery.extend({
-	filter: function( expr, elems, not ) {
-		var elem = elems[ 0 ];
-
-		if ( not ) {
-			expr = ":not(" + expr + ")";
-		}
-
-		return elems.length === 1 && elem.nodeType === 1 ?
-			jQuery.find.matchesSelector( elem, expr ) ? [ elem ] : [] :
-			jQuery.find.matches( expr, jQuery.grep( elems, function( elem ) {
-				return elem.nodeType === 1;
-			}));
-	},
-
-	dir: function( elem, dir, until ) {
-		var matched = [],
-			truncate = until !== undefined;
-
-		while ( (elem = elem[ dir ]) && elem.nodeType !== 9 ) {
-			if ( elem.nodeType === 1 ) {
-				if ( truncate && jQuery( elem ).is( until ) ) {
-					break;
-				}
-				matched.push( elem );
-			}
-		}
-		return matched;
-	},
-
-	sibling: function( n, elem ) {
-		var matched = [];
-
-		for ( ; n; n = n.nextSibling ) {
-			if ( n.nodeType === 1 && n !== elem ) {
-				matched.push( n );
-			}
-		}
-
-		return matched;
-	}
-});
-
-// Implement the identical functionality for filter and not
-function winnow( elements, qualifier, not ) {
-	if ( jQuery.isFunction( qualifier ) ) {
-		return jQuery.grep( elements, function( elem, i ) {
-			/* jshint -W018 */
-			return !!qualifier.call( elem, i, elem ) !== not;
-		});
-
-	}
-
-	if ( qualifier.nodeType ) {
-		return jQuery.grep( elements, function( elem ) {
-			return ( elem === qualifier ) !== not;
-		});
-
-	}
-
-	if ( typeof qualifier === "string" ) {
-		if ( isSimple.test( qualifier ) ) {
-			return jQuery.filter( qualifier, elements, not );
-		}
-
-		qualifier = jQuery.filter( qualifier, elements );
-	}
-
-	return jQuery.grep( elements, function( elem ) {
-		return ( core_indexOf.call( qualifier, elem ) >= 0 ) !== not;
-	});
-}
-var rxhtmlTag = /<(?!area|br|col|embed|hr|img|input|link|meta|param)(([\w:]+)[^>]*)\/>/gi,
+var
+	rxhtmlTag = /<(?!area|br|col|embed|hr|img|input|link|meta|param)(([\w:]+)[^>]*)\/>/gi,
 	rtagName = /<([\w:]+)/,
 	rhtml = /<|&#?\w+;/,
 	rnoInnerhtml = /<(?:script|style|link)/i,
-	manipulation_rcheckableType = /^(?:checkbox|radio)$/i,
 	// checked="checked" or checked
 	rchecked = /checked\s*(?:[^=]|=\s*.checked.)/i,
 	rscriptType = /^$|\/(?:java|ecma)script/i,
@@ -5440,278 +4911,103 @@ wrapMap.optgroup = wrapMap.option;
 wrapMap.tbody = wrapMap.tfoot = wrapMap.colgroup = wrapMap.caption = wrapMap.thead;
 wrapMap.th = wrapMap.td;
 
-jQuery.fn.extend({
-	text: function( value ) {
-		return jQuery.access( this, function( value ) {
-			return value === undefined ?
-				jQuery.text( this ) :
-				this.empty().append( ( this[ 0 ] && this[ 0 ].ownerDocument || document ).createTextNode( value ) );
-		}, null, value, arguments.length );
-	},
+// Support: 1.x compatibility
+// Manipulating tables requires a tbody
+function manipulationTarget( elem, content ) {
+	return jQuery.nodeName( elem, "table" ) &&
+		jQuery.nodeName( content.nodeType !== 11 ? content : content.firstChild, "tr" ) ?
 
-	append: function() {
-		return this.domManip( arguments, function( elem ) {
-			if ( this.nodeType === 1 || this.nodeType === 11 || this.nodeType === 9 ) {
-				var target = manipulationTarget( this, elem );
-				target.appendChild( elem );
-			}
-		});
-	},
+		elem.getElementsByTagName("tbody")[0] ||
+			elem.appendChild( elem.ownerDocument.createElement("tbody") ) :
+		elem;
+}
 
-	prepend: function() {
-		return this.domManip( arguments, function( elem ) {
-			if ( this.nodeType === 1 || this.nodeType === 11 || this.nodeType === 9 ) {
-				var target = manipulationTarget( this, elem );
-				target.insertBefore( elem, target.firstChild );
-			}
-		});
-	},
+// Replace/restore the type attribute of script elements for safe DOM manipulation
+function disableScript( elem ) {
+	elem.type = (elem.getAttribute("type") !== null) + "/" + elem.type;
+	return elem;
+}
+function restoreScript( elem ) {
+	var match = rscriptTypeMasked.exec( elem.type );
 
-	before: function() {
-		return this.domManip( arguments, function( elem ) {
-			if ( this.parentNode ) {
-				this.parentNode.insertBefore( elem, this );
-			}
-		});
-	},
-
-	after: function() {
-		return this.domManip( arguments, function( elem ) {
-			if ( this.parentNode ) {
-				this.parentNode.insertBefore( elem, this.nextSibling );
-			}
-		});
-	},
-
-	// keepData is for internal use only--do not document
-	remove: function( selector, keepData ) {
-		var elem,
-			elems = selector ? jQuery.filter( selector, this ) : this,
-			i = 0;
-
-		for ( ; (elem = elems[i]) != null; i++ ) {
-			if ( !keepData && elem.nodeType === 1 ) {
-				jQuery.cleanData( getAll( elem ) );
-			}
-
-			if ( elem.parentNode ) {
-				if ( keepData && jQuery.contains( elem.ownerDocument, elem ) ) {
-					setGlobalEval( getAll( elem, "script" ) );
-				}
-				elem.parentNode.removeChild( elem );
-			}
-		}
-
-		return this;
-	},
-
-	empty: function() {
-		var elem,
-			i = 0;
-
-		for ( ; (elem = this[i]) != null; i++ ) {
-			if ( elem.nodeType === 1 ) {
-
-				// Prevent memory leaks
-				jQuery.cleanData( getAll( elem, false ) );
-
-				// Remove any remaining nodes
-				elem.textContent = "";
-			}
-		}
-
-		return this;
-	},
-
-	clone: function( dataAndEvents, deepDataAndEvents ) {
-		dataAndEvents = dataAndEvents == null ? false : dataAndEvents;
-		deepDataAndEvents = deepDataAndEvents == null ? dataAndEvents : deepDataAndEvents;
-
-		return this.map( function () {
-			return jQuery.clone( this, dataAndEvents, deepDataAndEvents );
-		});
-	},
-
-	html: function( value ) {
-		return jQuery.access( this, function( value ) {
-			var elem = this[ 0 ] || {},
-				i = 0,
-				l = this.length;
-
-			if ( value === undefined && elem.nodeType === 1 ) {
-				return elem.innerHTML;
-			}
-
-			// See if we can take a shortcut and just use innerHTML
-			if ( typeof value === "string" && !rnoInnerhtml.test( value ) &&
-				!wrapMap[ ( rtagName.exec( value ) || [ "", "" ] )[ 1 ].toLowerCase() ] ) {
-
-				value = value.replace( rxhtmlTag, "<$1></$2>" );
-
-				try {
-					for ( ; i < l; i++ ) {
-						elem = this[ i ] || {};
-
-						// Remove element nodes and prevent memory leaks
-						if ( elem.nodeType === 1 ) {
-							jQuery.cleanData( getAll( elem, false ) );
-							elem.innerHTML = value;
-						}
-					}
-
-					elem = 0;
-
-				// If using innerHTML throws an exception, use the fallback method
-				} catch( e ) {}
-			}
-
-			if ( elem ) {
-				this.empty().append( value );
-			}
-		}, null, value, arguments.length );
-	},
-
-	replaceWith: function() {
-		var
-			// Snapshot the DOM in case .domManip sweeps something relevant into its fragment
-			args = jQuery.map( this, function( elem ) {
-				return [ elem.nextSibling, elem.parentNode ];
-			}),
-			i = 0;
-
-		// Make the changes, replacing each context element with the new content
-		this.domManip( arguments, function( elem ) {
-			var next = args[ i++ ],
-				parent = args[ i++ ];
-
-			if ( parent ) {
-				// Don't use the snapshot next if it has moved (#13810)
-				if ( next && next.parentNode !== parent ) {
-					next = this.nextSibling;
-				}
-				jQuery( this ).remove();
-				parent.insertBefore( elem, next );
-			}
-		// Allow new content to include elements from the context set
-		}, true );
-
-		// Force removal if there was no new content (e.g., from empty arguments)
-		return i ? this : this.remove();
-	},
-
-	detach: function( selector ) {
-		return this.remove( selector, true );
-	},
-
-	domManip: function( args, callback, allowIntersection ) {
-
-		// Flatten any nested arrays
-		args = core_concat.apply( [], args );
-
-		var fragment, first, scripts, hasScripts, node, doc,
-			i = 0,
-			l = this.length,
-			set = this,
-			iNoClone = l - 1,
-			value = args[ 0 ],
-			isFunction = jQuery.isFunction( value );
-
-		// We can't cloneNode fragments that contain checked, in WebKit
-		if ( isFunction || !( l <= 1 || typeof value !== "string" || jQuery.support.checkClone || !rchecked.test( value ) ) ) {
-			return this.each(function( index ) {
-				var self = set.eq( index );
-				if ( isFunction ) {
-					args[ 0 ] = value.call( this, index, self.html() );
-				}
-				self.domManip( args, callback, allowIntersection );
-			});
-		}
-
-		if ( l ) {
-			fragment = jQuery.buildFragment( args, this[ 0 ].ownerDocument, false, !allowIntersection && this );
-			first = fragment.firstChild;
-
-			if ( fragment.childNodes.length === 1 ) {
-				fragment = first;
-			}
-
-			if ( first ) {
-				scripts = jQuery.map( getAll( fragment, "script" ), disableScript );
-				hasScripts = scripts.length;
-
-				// Use the original fragment for the last item instead of the first because it can end up
-				// being emptied incorrectly in certain situations (#8070).
-				for ( ; i < l; i++ ) {
-					node = fragment;
-
-					if ( i !== iNoClone ) {
-						node = jQuery.clone( node, true, true );
-
-						// Keep references to cloned scripts for later restoration
-						if ( hasScripts ) {
-							// Support: QtWebKit
-							// jQuery.merge because core_push.apply(_, arraylike) throws
-							jQuery.merge( scripts, getAll( node, "script" ) );
-						}
-					}
-
-					callback.call( this[ i ], node, i );
-				}
-
-				if ( hasScripts ) {
-					doc = scripts[ scripts.length - 1 ].ownerDocument;
-
-					// Reenable scripts
-					jQuery.map( scripts, restoreScript );
-
-					// Evaluate executable scripts on first document insertion
-					for ( i = 0; i < hasScripts; i++ ) {
-						node = scripts[ i ];
-						if ( rscriptType.test( node.type || "" ) &&
-							!data_priv.access( node, "globalEval" ) && jQuery.contains( doc, node ) ) {
-
-							if ( node.src ) {
-								// Hope ajax is available...
-								jQuery._evalUrl( node.src );
-							} else {
-								jQuery.globalEval( node.textContent.replace( rcleanScript, "" ) );
-							}
-						}
-					}
-				}
-			}
-		}
-
-		return this;
+	if ( match ) {
+		elem.type = match[ 1 ];
+	} else {
+		elem.removeAttribute("type");
 	}
-});
 
-jQuery.each({
-	appendTo: "append",
-	prependTo: "prepend",
-	insertBefore: "before",
-	insertAfter: "after",
-	replaceAll: "replaceWith"
-}, function( name, original ) {
-	jQuery.fn[ name ] = function( selector ) {
-		var elems,
-			ret = [],
-			insert = jQuery( selector ),
-			last = insert.length - 1,
-			i = 0;
+	return elem;
+}
 
-		for ( ; i <= last; i++ ) {
-			elems = i === last ? this : this.clone( true );
-			jQuery( insert[ i ] )[ original ]( elems );
+// Mark scripts as having already been evaluated
+function setGlobalEval( elems, refElements ) {
+	var i = 0,
+		l = elems.length;
 
-			// Support: QtWebKit
-			// .get() because core_push.apply(_, arraylike) throws
-			core_push.apply( ret, elems.get() );
+	for ( ; i < l; i++ ) {
+		data_priv.set(
+			elems[ i ], "globalEval", !refElements || data_priv.get( refElements[ i ], "globalEval" )
+		);
+	}
+}
+
+function cloneCopyEvent( src, dest ) {
+	var i, l, type, pdataOld, pdataCur, udataOld, udataCur, events;
+
+	if ( dest.nodeType !== 1 ) {
+		return;
+	}
+
+	// 1. Copy private data: events, handlers, etc.
+	if ( data_priv.hasData( src ) ) {
+		pdataOld = data_priv.access( src );
+		pdataCur = data_priv.set( dest, pdataOld );
+		events = pdataOld.events;
+
+		if ( events ) {
+			delete pdataCur.handle;
+			pdataCur.events = {};
+
+			for ( type in events ) {
+				for ( i = 0, l = events[ type ].length; i < l; i++ ) {
+					jQuery.event.add( dest, type, events[ type ][ i ] );
+				}
+			}
 		}
+	}
 
-		return this.pushStack( ret );
-	};
-});
+	// 2. Copy user data
+	if ( data_user.hasData( src ) ) {
+		udataOld = data_user.access( src );
+		udataCur = jQuery.extend( {}, udataOld );
+
+		data_user.set( dest, udataCur );
+	}
+}
+
+function getAll( context, tag ) {
+	var ret = context.getElementsByTagName ? context.getElementsByTagName( tag || "*" ) :
+			context.querySelectorAll ? context.querySelectorAll( tag || "*" ) :
+			[];
+
+	return tag === undefined || tag && jQuery.nodeName( context, tag ) ?
+		jQuery.merge( [ context ], ret ) :
+		ret;
+}
+
+// Support: IE >= 9
+function fixInput( src, dest ) {
+	var nodeName = dest.nodeName.toLowerCase();
+
+	// Fails to persist the checked state of a cloned checkbox or radio button.
+	if ( nodeName === "input" && rcheckableType.test( src.type ) ) {
+		dest.checked = src.checked;
+
+	// Fails to return the selected option to the default selected state when cloning options
+	} else if ( nodeName === "input" || nodeName === "textarea" ) {
+		dest.defaultValue = src.defaultValue;
+	}
+}
 
 jQuery.extend({
 	clone: function( elem, dataAndEvents, deepDataAndEvents ) {
@@ -5721,7 +5017,8 @@ jQuery.extend({
 
 		// Support: IE >= 9
 		// Fix Cloning issues
-		if ( !jQuery.support.noCloneChecked && ( elem.nodeType === 1 || elem.nodeType === 11 ) && !jQuery.isXMLDoc( elem ) ) {
+		if ( !support.noCloneChecked && ( elem.nodeType === 1 || elem.nodeType === 11 ) &&
+				!jQuery.isXMLDoc( elem ) ) {
 
 			// We eschew Sizzle here for performance reasons: http://jsperf.com/getall-vs-sizzle/2
 			destElements = getAll( clone );
@@ -5758,10 +5055,10 @@ jQuery.extend({
 
 	buildFragment: function( elems, context, scripts, selection ) {
 		var elem, tmp, tag, wrap, contains, j,
-			i = 0,
-			l = elems.length,
 			fragment = context.createDocumentFragment(),
-			nodes = [];
+			nodes = [],
+			i = 0,
+			l = elems.length;
 
 		for ( ; i < l; i++ ) {
 			elem = elems[ i ];
@@ -5771,7 +5068,7 @@ jQuery.extend({
 				// Add nodes directly
 				if ( jQuery.type( elem ) === "object" ) {
 					// Support: QtWebKit
-					// jQuery.merge because core_push.apply(_, arraylike) throws
+					// jQuery.merge because push.apply(_, arraylike) throws
 					jQuery.merge( nodes, elem.nodeType ? [ elem ] : elem );
 
 				// Convert non-html into a text node
@@ -5783,7 +5080,7 @@ jQuery.extend({
 					tmp = tmp || fragment.appendChild( context.createElement("div") );
 
 					// Deserialize a standard representation
-					tag = ( rtagName.exec( elem ) || ["", ""] )[ 1 ].toLowerCase();
+					tag = ( rtagName.exec( elem ) || [ "", "" ] )[ 1 ].toLowerCase();
 					wrap = wrapMap[ tag ] || wrapMap._default;
 					tmp.innerHTML = wrap[ 1 ] + elem.replace( rxhtmlTag, "<$1></$2>" ) + wrap[ 2 ];
 
@@ -5794,7 +5091,7 @@ jQuery.extend({
 					}
 
 					// Support: QtWebKit
-					// jQuery.merge because core_push.apply(_, arraylike) throws
+					// jQuery.merge because push.apply(_, arraylike) throws
 					jQuery.merge( nodes, tmp.childNodes );
 
 					// Remember the top-level container
@@ -5844,18 +5141,17 @@ jQuery.extend({
 	},
 
 	cleanData: function( elems ) {
-		var data, elem, events, type, key, j,
+		var data, elem, type, key,
 			special = jQuery.event.special,
 			i = 0;
 
 		for ( ; (elem = elems[ i ]) !== undefined; i++ ) {
-			if ( Data.accepts( elem ) ) {
+			if ( jQuery.acceptData( elem ) ) {
 				key = elem[ data_priv.expando ];
 
 				if ( key && (data = data_priv.cache[ key ]) ) {
-					events = Object.keys( data.events || {} );
-					if ( events.length ) {
-						for ( j = 0; (type = events[j]) !== undefined; j++ ) {
+					if ( data.events ) {
+						for ( type in data.events ) {
 							if ( special[ type ] ) {
 								jQuery.event.remove( elem, type );
 
@@ -5874,490 +5170,372 @@ jQuery.extend({
 			// Discard any remaining `user` data
 			delete data_user.cache[ elem[ data_user.expando ] ];
 		}
-	},
-
-	_evalUrl: function( url ) {
-		return jQuery.ajax({
-			url: url,
-			type: "GET",
-			dataType: "script",
-			async: false,
-			global: false,
-			"throws": true
-		});
 	}
 });
 
-// Support: 1.x compatibility
-// Manipulating tables requires a tbody
-function manipulationTarget( elem, content ) {
-	return jQuery.nodeName( elem, "table" ) &&
-		jQuery.nodeName( content.nodeType === 1 ? content : content.firstChild, "tr" ) ?
-
-		elem.getElementsByTagName("tbody")[0] ||
-			elem.appendChild( elem.ownerDocument.createElement("tbody") ) :
-		elem;
-}
-
-// Replace/restore the type attribute of script elements for safe DOM manipulation
-function disableScript( elem ) {
-	elem.type = (elem.getAttribute("type") !== null) + "/" + elem.type;
-	return elem;
-}
-function restoreScript( elem ) {
-	var match = rscriptTypeMasked.exec( elem.type );
-
-	if ( match ) {
-		elem.type = match[ 1 ];
-	} else {
-		elem.removeAttribute("type");
-	}
-
-	return elem;
-}
-
-// Mark scripts as having already been evaluated
-function setGlobalEval( elems, refElements ) {
-	var l = elems.length,
-		i = 0;
-
-	for ( ; i < l; i++ ) {
-		data_priv.set(
-			elems[ i ], "globalEval", !refElements || data_priv.get( refElements[ i ], "globalEval" )
-		);
-	}
-}
-
-function cloneCopyEvent( src, dest ) {
-	var i, l, type, pdataOld, pdataCur, udataOld, udataCur, events;
-
-	if ( dest.nodeType !== 1 ) {
-		return;
-	}
-
-	// 1. Copy private data: events, handlers, etc.
-	if ( data_priv.hasData( src ) ) {
-		pdataOld = data_priv.access( src );
-		pdataCur = data_priv.set( dest, pdataOld );
-		events = pdataOld.events;
-
-		if ( events ) {
-			delete pdataCur.handle;
-			pdataCur.events = {};
-
-			for ( type in events ) {
-				for ( i = 0, l = events[ type ].length; i < l; i++ ) {
-					jQuery.event.add( dest, type, events[ type ][ i ] );
-				}
-			}
-		}
-	}
-
-	// 2. Copy user data
-	if ( data_user.hasData( src ) ) {
-		udataOld = data_user.access( src );
-		udataCur = jQuery.extend( {}, udataOld );
-
-		data_user.set( dest, udataCur );
-	}
-}
-
-
-function getAll( context, tag ) {
-	var ret = context.getElementsByTagName ? context.getElementsByTagName( tag || "*" ) :
-			context.querySelectorAll ? context.querySelectorAll( tag || "*" ) :
-			[];
-
-	return tag === undefined || tag && jQuery.nodeName( context, tag ) ?
-		jQuery.merge( [ context ], ret ) :
-		ret;
-}
-
-// Support: IE >= 9
-function fixInput( src, dest ) {
-	var nodeName = dest.nodeName.toLowerCase();
-
-	// Fails to persist the checked state of a cloned checkbox or radio button.
-	if ( nodeName === "input" && manipulation_rcheckableType.test( src.type ) ) {
-		dest.checked = src.checked;
-
-	// Fails to return the selected option to the default selected state when cloning options
-	} else if ( nodeName === "input" || nodeName === "textarea" ) {
-		dest.defaultValue = src.defaultValue;
-	}
-}
 jQuery.fn.extend({
-	wrapAll: function( html ) {
-		var wrap;
+	text: function( value ) {
+		return access( this, function( value ) {
+			return value === undefined ?
+				jQuery.text( this ) :
+				this.empty().each(function() {
+					if ( this.nodeType === 1 || this.nodeType === 11 || this.nodeType === 9 ) {
+						this.textContent = value;
+					}
+				});
+		}, null, value, arguments.length );
+	},
 
-		if ( jQuery.isFunction( html ) ) {
-			return this.each(function( i ) {
-				jQuery( this ).wrapAll( html.call(this, i) );
-			});
-		}
+	append: function() {
+		return this.domManip( arguments, function( elem ) {
+			if ( this.nodeType === 1 || this.nodeType === 11 || this.nodeType === 9 ) {
+				var target = manipulationTarget( this, elem );
+				target.appendChild( elem );
+			}
+		});
+	},
 
-		if ( this[ 0 ] ) {
+	prepend: function() {
+		return this.domManip( arguments, function( elem ) {
+			if ( this.nodeType === 1 || this.nodeType === 11 || this.nodeType === 9 ) {
+				var target = manipulationTarget( this, elem );
+				target.insertBefore( elem, target.firstChild );
+			}
+		});
+	},
 
-			// The elements to wrap the target around
-			wrap = jQuery( html, this[ 0 ].ownerDocument ).eq( 0 ).clone( true );
+	before: function() {
+		return this.domManip( arguments, function( elem ) {
+			if ( this.parentNode ) {
+				this.parentNode.insertBefore( elem, this );
+			}
+		});
+	},
 
-			if ( this[ 0 ].parentNode ) {
-				wrap.insertBefore( this[ 0 ] );
+	after: function() {
+		return this.domManip( arguments, function( elem ) {
+			if ( this.parentNode ) {
+				this.parentNode.insertBefore( elem, this.nextSibling );
+			}
+		});
+	},
+
+	remove: function( selector, keepData /* Internal Use Only */ ) {
+		var elem,
+			elems = selector ? jQuery.filter( selector, this ) : this,
+			i = 0;
+
+		for ( ; (elem = elems[i]) != null; i++ ) {
+			if ( !keepData && elem.nodeType === 1 ) {
+				jQuery.cleanData( getAll( elem ) );
 			}
 
-			wrap.map(function() {
-				var elem = this;
-
-				while ( elem.firstElementChild ) {
-					elem = elem.firstElementChild;
+			if ( elem.parentNode ) {
+				if ( keepData && jQuery.contains( elem.ownerDocument, elem ) ) {
+					setGlobalEval( getAll( elem, "script" ) );
 				}
-
-				return elem;
-			}).append( this );
+				elem.parentNode.removeChild( elem );
+			}
 		}
 
 		return this;
 	},
 
-	wrapInner: function( html ) {
-		if ( jQuery.isFunction( html ) ) {
-			return this.each(function( i ) {
-				jQuery( this ).wrapInner( html.call(this, i) );
+	empty: function() {
+		var elem,
+			i = 0;
+
+		for ( ; (elem = this[i]) != null; i++ ) {
+			if ( elem.nodeType === 1 ) {
+
+				// Prevent memory leaks
+				jQuery.cleanData( getAll( elem, false ) );
+
+				// Remove any remaining nodes
+				elem.textContent = "";
+			}
+		}
+
+		return this;
+	},
+
+	clone: function( dataAndEvents, deepDataAndEvents ) {
+		dataAndEvents = dataAndEvents == null ? false : dataAndEvents;
+		deepDataAndEvents = deepDataAndEvents == null ? dataAndEvents : deepDataAndEvents;
+
+		return this.map(function() {
+			return jQuery.clone( this, dataAndEvents, deepDataAndEvents );
+		});
+	},
+
+	html: function( value ) {
+		return access( this, function( value ) {
+			var elem = this[ 0 ] || {},
+				i = 0,
+				l = this.length;
+
+			if ( value === undefined && elem.nodeType === 1 ) {
+				return elem.innerHTML;
+			}
+
+			// See if we can take a shortcut and just use innerHTML
+			if ( typeof value === "string" && !rnoInnerhtml.test( value ) &&
+				!wrapMap[ ( rtagName.exec( value ) || [ "", "" ] )[ 1 ].toLowerCase() ] ) {
+
+				value = value.replace( rxhtmlTag, "<$1></$2>" );
+
+				try {
+					for ( ; i < l; i++ ) {
+						elem = this[ i ] || {};
+
+						// Remove element nodes and prevent memory leaks
+						if ( elem.nodeType === 1 ) {
+							jQuery.cleanData( getAll( elem, false ) );
+							elem.innerHTML = value;
+						}
+					}
+
+					elem = 0;
+
+				// If using innerHTML throws an exception, use the fallback method
+				} catch( e ) {}
+			}
+
+			if ( elem ) {
+				this.empty().append( value );
+			}
+		}, null, value, arguments.length );
+	},
+
+	replaceWith: function() {
+		var arg = arguments[ 0 ];
+
+		// Make the changes, replacing each context element with the new content
+		this.domManip( arguments, function( elem ) {
+			arg = this.parentNode;
+
+			jQuery.cleanData( getAll( this ) );
+
+			if ( arg ) {
+				arg.replaceChild( elem, this );
+			}
+		});
+
+		// Force removal if there was no new content (e.g., from empty arguments)
+		return arg && (arg.length || arg.nodeType) ? this : this.remove();
+	},
+
+	detach: function( selector ) {
+		return this.remove( selector, true );
+	},
+
+	domManip: function( args, callback ) {
+
+		// Flatten any nested arrays
+		args = concat.apply( [], args );
+
+		var fragment, first, scripts, hasScripts, node, doc,
+			i = 0,
+			l = this.length,
+			set = this,
+			iNoClone = l - 1,
+			value = args[ 0 ],
+			isFunction = jQuery.isFunction( value );
+
+		// We can't cloneNode fragments that contain checked, in WebKit
+		if ( isFunction ||
+				( l > 1 && typeof value === "string" &&
+					!support.checkClone && rchecked.test( value ) ) ) {
+			return this.each(function( index ) {
+				var self = set.eq( index );
+				if ( isFunction ) {
+					args[ 0 ] = value.call( this, index, self.html() );
+				}
+				self.domManip( args, callback );
 			});
 		}
 
-		return this.each(function() {
-			var self = jQuery( this ),
-				contents = self.contents();
+		if ( l ) {
+			fragment = jQuery.buildFragment( args, this[ 0 ].ownerDocument, false, this );
+			first = fragment.firstChild;
 
-			if ( contents.length ) {
-				contents.wrapAll( html );
-
-			} else {
-				self.append( html );
-			}
-		});
-	},
-
-	wrap: function( html ) {
-		var isFunction = jQuery.isFunction( html );
-
-		return this.each(function( i ) {
-			jQuery( this ).wrapAll( isFunction ? html.call(this, i) : html );
-		});
-	},
-
-	unwrap: function() {
-		return this.parent().each(function() {
-			if ( !jQuery.nodeName( this, "body" ) ) {
-				jQuery( this ).replaceWith( this.childNodes );
-			}
-		}).end();
-	}
-});
-var curCSS, iframe,
-	// swappable if display is none or starts with table except "table", "table-cell", or "table-caption"
-	// see here for display values: https://developer.mozilla.org/en-US/docs/CSS/display
-	rdisplayswap = /^(none|table(?!-c[ea]).+)/,
-	rmargin = /^margin/,
-	rnumsplit = new RegExp( "^(" + core_pnum + ")(.*)$", "i" ),
-	rnumnonpx = new RegExp( "^(" + core_pnum + ")(?!px)[a-z%]+$", "i" ),
-	rrelNum = new RegExp( "^([+-])=(" + core_pnum + ")", "i" ),
-	elemdisplay = { BODY: "block" },
-
-	cssShow = { position: "absolute", visibility: "hidden", display: "block" },
-	cssNormalTransform = {
-		letterSpacing: 0,
-		fontWeight: 400
-	},
-
-	cssExpand = [ "Top", "Right", "Bottom", "Left" ],
-	cssPrefixes = [ "Webkit", "O", "Moz", "ms" ];
-
-// return a css property mapped to a potentially vendor prefixed property
-function vendorPropName( style, name ) {
-
-	// shortcut for names that are not vendor prefixed
-	if ( name in style ) {
-		return name;
-	}
-
-	// check for vendor prefixed names
-	var capName = name.charAt(0).toUpperCase() + name.slice(1),
-		origName = name,
-		i = cssPrefixes.length;
-
-	while ( i-- ) {
-		name = cssPrefixes[ i ] + capName;
-		if ( name in style ) {
-			return name;
-		}
-	}
-
-	return origName;
-}
-
-function isHidden( elem, el ) {
-	// isHidden might be called from jQuery#filter function;
-	// in that case, element will be second argument
-	elem = el || elem;
-	return jQuery.css( elem, "display" ) === "none" || !jQuery.contains( elem.ownerDocument, elem );
-}
-
-// NOTE: we've included the "window" in window.getComputedStyle
-// because jsdom on node.js will break without it.
-function getStyles( elem ) {
-	return window.getComputedStyle( elem, null );
-}
-
-function showHide( elements, show ) {
-	var display, elem, hidden,
-		values = [],
-		index = 0,
-		length = elements.length;
-
-	for ( ; index < length; index++ ) {
-		elem = elements[ index ];
-		if ( !elem.style ) {
-			continue;
-		}
-
-		values[ index ] = data_priv.get( elem, "olddisplay" );
-		display = elem.style.display;
-		if ( show ) {
-			// Reset the inline display of this element to learn if it is
-			// being hidden by cascaded rules or not
-			if ( !values[ index ] && display === "none" ) {
-				elem.style.display = "";
+			if ( fragment.childNodes.length === 1 ) {
+				fragment = first;
 			}
 
-			// Set elements which have been overridden with display: none
-			// in a stylesheet to whatever the default browser style is
-			// for such an element
-			if ( elem.style.display === "" && isHidden( elem ) ) {
-				values[ index ] = data_priv.access( elem, "olddisplay", css_defaultDisplay(elem.nodeName) );
-			}
-		} else {
+			if ( first ) {
+				scripts = jQuery.map( getAll( fragment, "script" ), disableScript );
+				hasScripts = scripts.length;
 
-			if ( !values[ index ] ) {
-				hidden = isHidden( elem );
+				// Use the original fragment for the last item instead of the first because it can end up
+				// being emptied incorrectly in certain situations (#8070).
+				for ( ; i < l; i++ ) {
+					node = fragment;
 
-				if ( display && display !== "none" || !hidden ) {
-					data_priv.set( elem, "olddisplay", hidden ? display : jQuery.css(elem, "display") );
+					if ( i !== iNoClone ) {
+						node = jQuery.clone( node, true, true );
+
+						// Keep references to cloned scripts for later restoration
+						if ( hasScripts ) {
+							// Support: QtWebKit
+							// jQuery.merge because push.apply(_, arraylike) throws
+							jQuery.merge( scripts, getAll( node, "script" ) );
+						}
+					}
+
+					callback.call( this[ i ], node, i );
+				}
+
+				if ( hasScripts ) {
+					doc = scripts[ scripts.length - 1 ].ownerDocument;
+
+					// Reenable scripts
+					jQuery.map( scripts, restoreScript );
+
+					// Evaluate executable scripts on first document insertion
+					for ( i = 0; i < hasScripts; i++ ) {
+						node = scripts[ i ];
+						if ( rscriptType.test( node.type || "" ) &&
+							!data_priv.access( node, "globalEval" ) && jQuery.contains( doc, node ) ) {
+
+							if ( node.src ) {
+								// Optional AJAX dependency, but won't run scripts if not present
+								if ( jQuery._evalUrl ) {
+									jQuery._evalUrl( node.src );
+								}
+							} else {
+								jQuery.globalEval( node.textContent.replace( rcleanScript, "" ) );
+							}
+						}
+					}
 				}
 			}
 		}
-	}
 
-	// Set the display of most of the elements in a second loop
-	// to avoid the constant reflow
-	for ( index = 0; index < length; index++ ) {
-		elem = elements[ index ];
-		if ( !elem.style ) {
-			continue;
-		}
-		if ( !show || elem.style.display === "none" || elem.style.display === "" ) {
-			elem.style.display = show ? values[ index ] || "" : "none";
-		}
+		return this;
 	}
+});
 
-	return elements;
+jQuery.each({
+	appendTo: "append",
+	prependTo: "prepend",
+	insertBefore: "before",
+	insertAfter: "after",
+	replaceAll: "replaceWith"
+}, function( name, original ) {
+	jQuery.fn[ name ] = function( selector ) {
+		var elems,
+			ret = [],
+			insert = jQuery( selector ),
+			last = insert.length - 1,
+			i = 0;
+
+		for ( ; i <= last; i++ ) {
+			elems = i === last ? this : this.clone( true );
+			jQuery( insert[ i ] )[ original ]( elems );
+
+			// Support: QtWebKit
+			// .get() because push.apply(_, arraylike) throws
+			push.apply( ret, elems.get() );
+		}
+
+		return this.pushStack( ret );
+	};
+});
+
+
+var iframe,
+	elemdisplay = {};
+
+/**
+ * Retrieve the actual display of a element
+ * @param {String} name nodeName of the element
+ * @param {Object} doc Document object
+ */
+// Called only from within defaultDisplay
+function actualDisplay( name, doc ) {
+	var style,
+		elem = jQuery( doc.createElement( name ) ).appendTo( doc.body ),
+
+		// getDefaultComputedStyle might be reliably used only on attached element
+		display = window.getDefaultComputedStyle && ( style = window.getDefaultComputedStyle( elem[ 0 ] ) ) ?
+
+			// Use of this method is a temporary fix (more like optmization) until something better comes along,
+			// since it was removed from specification and supported only in FF
+			style.display : jQuery.css( elem[ 0 ], "display" );
+
+	// We don't have any data stored on the element,
+	// so use "detach" method as fast way to get rid of the element
+	elem.detach();
+
+	return display;
 }
 
-jQuery.fn.extend({
-	css: function( name, value ) {
-		return jQuery.access( this, function( elem, name, value ) {
-			var styles, len,
-				map = {},
-				i = 0;
+/**
+ * Try to determine the default display value of an element
+ * @param {String} nodeName
+ */
+function defaultDisplay( nodeName ) {
+	var doc = document,
+		display = elemdisplay[ nodeName ];
 
-			if ( jQuery.isArray( name ) ) {
-				styles = getStyles( elem );
-				len = name.length;
+	if ( !display ) {
+		display = actualDisplay( nodeName, doc );
 
-				for ( ; i < len; i++ ) {
-					map[ name[ i ] ] = jQuery.css( elem, name[ i ], false, styles );
-				}
+		// If the simple way fails, read from inside an iframe
+		if ( display === "none" || !display ) {
 
-				return map;
-			}
+			// Use the already-created iframe if possible
+			iframe = (iframe || jQuery( "<iframe frameborder='0' width='0' height='0'/>" )).appendTo( doc.documentElement );
 
-			return value !== undefined ?
-				jQuery.style( elem, name, value ) :
-				jQuery.css( elem, name );
-		}, name, value, arguments.length > 1 );
-	},
-	show: function() {
-		return showHide( this, true );
-	},
-	hide: function() {
-		return showHide( this );
-	},
-	toggle: function( state ) {
-		if ( typeof state === "boolean" ) {
-			return state ? this.show() : this.hide();
+			// Always write a new HTML skeleton so Webkit and Firefox don't choke on reuse
+			doc = iframe[ 0 ].contentDocument;
+
+			// Support: IE
+			doc.write();
+			doc.close();
+
+			display = actualDisplay( nodeName, doc );
+			iframe.detach();
 		}
 
-		return this.each(function() {
-			if ( isHidden( this ) ) {
-				jQuery( this ).show();
-			} else {
-				jQuery( this ).hide();
-			}
-		});
+		// Store the correct default display
+		elemdisplay[ nodeName ] = display;
 	}
-});
 
-jQuery.extend({
-	// Add in style property hooks for overriding the default
-	// behavior of getting and setting a style property
-	cssHooks: {
-		opacity: {
-			get: function( elem, computed ) {
-				if ( computed ) {
-					// We should always get a number back from opacity
-					var ret = curCSS( elem, "opacity" );
-					return ret === "" ? "1" : ret;
-				}
-			}
-		}
-	},
+	return display;
+}
+var rmargin = (/^margin/);
 
-	// Don't automatically add "px" to these possibly-unitless properties
-	cssNumber: {
-		"columnCount": true,
-		"fillOpacity": true,
-		"fontWeight": true,
-		"lineHeight": true,
-		"opacity": true,
-		"order": true,
-		"orphans": true,
-		"widows": true,
-		"zIndex": true,
-		"zoom": true
-	},
+var rnumnonpx = new RegExp( "^(" + pnum + ")(?!px)[a-z%]+$", "i" );
 
-	// Add in properties whose names you wish to fix before
-	// setting or getting the value
-	cssProps: {
-		// normalize float css property
-		"float": "cssFloat"
-	},
+var getStyles = function( elem ) {
+		return elem.ownerDocument.defaultView.getComputedStyle( elem, null );
+	};
 
-	// Get and set the style property on a DOM Node
-	style: function( elem, name, value, extra ) {
-		// Don't set styles on text and comment nodes
-		if ( !elem || elem.nodeType === 3 || elem.nodeType === 8 || !elem.style ) {
-			return;
-		}
 
-		// Make sure that we're working with the right name
-		var ret, type, hooks,
-			origName = jQuery.camelCase( name ),
-			style = elem.style;
 
-		name = jQuery.cssProps[ origName ] || ( jQuery.cssProps[ origName ] = vendorPropName( style, origName ) );
-
-		// gets hook for the prefixed version
-		// followed by the unprefixed version
-		hooks = jQuery.cssHooks[ name ] || jQuery.cssHooks[ origName ];
-
-		// Check if we're setting a value
-		if ( value !== undefined ) {
-			type = typeof value;
-
-			// convert relative number strings (+= or -=) to relative numbers. #7345
-			if ( type === "string" && (ret = rrelNum.exec( value )) ) {
-				value = ( ret[1] + 1 ) * ret[2] + parseFloat( jQuery.css( elem, name ) );
-				// Fixes bug #9237
-				type = "number";
-			}
-
-			// Make sure that NaN and null values aren't set. See: #7116
-			if ( value == null || type === "number" && isNaN( value ) ) {
-				return;
-			}
-
-			// If a number was passed in, add 'px' to the (except for certain CSS properties)
-			if ( type === "number" && !jQuery.cssNumber[ origName ] ) {
-				value += "px";
-			}
-
-			// Fixes #8908, it can be done more correctly by specifying setters in cssHooks,
-			// but it would mean to define eight (for every problematic property) identical functions
-			if ( !jQuery.support.clearCloneStyle && value === "" && name.indexOf("background") === 0 ) {
-				style[ name ] = "inherit";
-			}
-
-			// If a hook was provided, use that value, otherwise just set the specified value
-			if ( !hooks || !("set" in hooks) || (value = hooks.set( elem, value, extra )) !== undefined ) {
-				style[ name ] = value;
-			}
-
-		} else {
-			// If a hook was provided get the non-computed value from there
-			if ( hooks && "get" in hooks && (ret = hooks.get( elem, false, extra )) !== undefined ) {
-				return ret;
-			}
-
-			// Otherwise just get the value from the style object
-			return style[ name ];
-		}
-	},
-
-	css: function( elem, name, extra, styles ) {
-		var val, num, hooks,
-			origName = jQuery.camelCase( name );
-
-		// Make sure that we're working with the right name
-		name = jQuery.cssProps[ origName ] || ( jQuery.cssProps[ origName ] = vendorPropName( elem.style, origName ) );
-
-		// gets hook for the prefixed version
-		// followed by the unprefixed version
-		hooks = jQuery.cssHooks[ name ] || jQuery.cssHooks[ origName ];
-
-		// If a hook was provided get the computed value from there
-		if ( hooks && "get" in hooks ) {
-			val = hooks.get( elem, true, extra );
-		}
-
-		// Otherwise, if a way to get the computed value exists, use that
-		if ( val === undefined ) {
-			val = curCSS( elem, name, styles );
-		}
-
-		//convert "normal" to computed value
-		if ( val === "normal" && name in cssNormalTransform ) {
-			val = cssNormalTransform[ name ];
-		}
-
-		// Return, converting to number if forced or a qualifier was provided and val looks numeric
-		if ( extra === "" || extra ) {
-			num = parseFloat( val );
-			return extra === true || jQuery.isNumeric( num ) ? num || 0 : val;
-		}
-		return val;
-	}
-});
-
-curCSS = function( elem, name, _computed ) {
-	var width, minWidth, maxWidth,
-		computed = _computed || getStyles( elem ),
-
-		// Support: IE9
-		// getPropertyValue is only needed for .css('filter') in IE9, see #12537
-		ret = computed ? computed.getPropertyValue( name ) || computed[ name ] : undefined,
+function curCSS( elem, name, computed ) {
+	var width, minWidth, maxWidth, ret,
 		style = elem.style;
 
+	computed = computed || getStyles( elem );
+
+	// Support: IE9
+	// getPropertyValue is only needed for .css('filter') in IE9, see #12537
+	if ( computed ) {
+		ret = computed.getPropertyValue( name ) || computed[ name ];
+	}
+
 	if ( computed ) {
 
 		if ( ret === "" && !jQuery.contains( elem.ownerDocument, elem ) ) {
 			ret = jQuery.style( elem, name );
 		}
 
-		// Support: Safari 5.1
+		// Support: iOS < 6
 		// A tribute to the "awesome hack by Dean Edwards"
-		// Safari 5.1.7 (at least) returns percentage for a larger set of values, but width seems to be reliably pixels
+		// iOS < 6 (at least) returns percentage for a larger set of values, but width seems to be reliably pixels
 		// this is against the CSSOM draft spec: http://dev.w3.org/csswg/cssom/#resolved-values
 		if ( rnumnonpx.test( ret ) && rmargin.test( name ) ) {
 
@@ -6377,10 +5555,178 @@ curCSS = function( elem, name, _computed ) {
 		}
 	}
 
+	return ret !== undefined ?
+		// Support: IE
+		// IE returns zIndex value as an integer.
+		ret + "" :
+		ret;
+}
+
+
+function addGetHookIf( conditionFn, hookFn ) {
+	// Define the hook, we'll check on the first run if it's really needed.
+	return {
+		get: function() {
+			if ( conditionFn() ) {
+				// Hook not needed (or it's not possible to use it due to missing dependency),
+				// remove it.
+				// Since there are no other hooks for marginRight, remove the whole object.
+				delete this.get;
+				return;
+			}
+
+			// Hook needed; redefine it so that the support test is not executed again.
+
+			return (this.get = hookFn).apply( this, arguments );
+		}
+	};
+}
+
+
+(function() {
+	var pixelPositionVal, boxSizingReliableVal,
+		docElem = document.documentElement,
+		container = document.createElement( "div" ),
+		div = document.createElement( "div" );
+
+	if ( !div.style ) {
+		return;
+	}
+
+	div.style.backgroundClip = "content-box";
+	div.cloneNode( true ).style.backgroundClip = "";
+	support.clearCloneStyle = div.style.backgroundClip === "content-box";
+
+	container.style.cssText = "border:0;width:0;height:0;top:0;left:-9999px;margin-top:1px;" +
+		"position:absolute";
+	container.appendChild( div );
+
+	// Executing both pixelPosition & boxSizingReliable tests require only one layout
+	// so they're executed at the same time to save the second computation.
+	function computePixelPositionAndBoxSizingReliable() {
+		div.style.cssText =
+			// Support: Firefox<29, Android 2.3
+			// Vendor-prefix box-sizing
+			"-webkit-box-sizing:border-box;-moz-box-sizing:border-box;" +
+			"box-sizing:border-box;display:block;margin-top:1%;top:1%;" +
+			"border:1px;padding:1px;width:4px;position:absolute";
+		div.innerHTML = "";
+		docElem.appendChild( container );
+
+		var divStyle = window.getComputedStyle( div, null );
+		pixelPositionVal = divStyle.top !== "1%";
+		boxSizingReliableVal = divStyle.width === "4px";
+
+		docElem.removeChild( container );
+	}
+
+	// Support: node.js jsdom
+	// Don't assume that getComputedStyle is a property of the global object
+	if ( window.getComputedStyle ) {
+		jQuery.extend( support, {
+			pixelPosition: function() {
+				// This test is executed only once but we still do memoizing
+				// since we can use the boxSizingReliable pre-computing.
+				// No need to check if the test was already performed, though.
+				computePixelPositionAndBoxSizingReliable();
+				return pixelPositionVal;
+			},
+			boxSizingReliable: function() {
+				if ( boxSizingReliableVal == null ) {
+					computePixelPositionAndBoxSizingReliable();
+				}
+				return boxSizingReliableVal;
+			},
+			reliableMarginRight: function() {
+				// Support: Android 2.3
+				// Check if div with explicit width and no margin-right incorrectly
+				// gets computed margin-right based on width of container. (#3333)
+				// WebKit Bug 13343 - getComputedStyle returns wrong value for margin-right
+				// This support function is only executed once so no memoizing is needed.
+				var ret,
+					marginDiv = div.appendChild( document.createElement( "div" ) );
+
+				// Reset CSS: box-sizing; display; margin; border; padding
+				marginDiv.style.cssText = div.style.cssText =
+					// Support: Firefox<29, Android 2.3
+					// Vendor-prefix box-sizing
+					"-webkit-box-sizing:content-box;-moz-box-sizing:content-box;" +
+					"box-sizing:content-box;display:block;margin:0;border:0;padding:0";
+				marginDiv.style.marginRight = marginDiv.style.width = "0";
+				div.style.width = "1px";
+				docElem.appendChild( container );
+
+				ret = !parseFloat( window.getComputedStyle( marginDiv, null ).marginRight );
+
+				docElem.removeChild( container );
+
+				return ret;
+			}
+		});
+	}
+})();
+
+
+// A method for quickly swapping in/out CSS properties to get correct calculations.
+jQuery.swap = function( elem, options, callback, args ) {
+	var ret, name,
+		old = {};
+
+	// Remember the old values, and insert the new ones
+	for ( name in options ) {
+		old[ name ] = elem.style[ name ];
+		elem.style[ name ] = options[ name ];
+	}
+
+	ret = callback.apply( elem, args || [] );
+
+	// Revert the old values
+	for ( name in options ) {
+		elem.style[ name ] = old[ name ];
+	}
+
 	return ret;
 };
 
 
+var
+	// swappable if display is none or starts with table except "table", "table-cell", or "table-caption"
+	// see here for display values: https://developer.mozilla.org/en-US/docs/CSS/display
+	rdisplayswap = /^(none|table(?!-c[ea]).+)/,
+	rnumsplit = new RegExp( "^(" + pnum + ")(.*)$", "i" ),
+	rrelNum = new RegExp( "^([+-])=(" + pnum + ")", "i" ),
+
+	cssShow = { position: "absolute", visibility: "hidden", display: "block" },
+	cssNormalTransform = {
+		letterSpacing: "0",
+		fontWeight: "400"
+	},
+
+	cssPrefixes = [ "Webkit", "O", "Moz", "ms" ];
+
+// return a css property mapped to a potentially vendor prefixed property
+function vendorPropName( style, name ) {
+
+	// shortcut for names that are not vendor prefixed
+	if ( name in style ) {
+		return name;
+	}
+
+	// check for vendor prefixed names
+	var capName = name[0].toUpperCase() + name.slice(1),
+		origName = name,
+		i = cssPrefixes.length;
+
+	while ( i-- ) {
+		name = cssPrefixes[ i ] + capName;
+		if ( name in style ) {
+			return name;
+		}
+	}
+
+	return origName;
+}
+
 function setPositiveNumber( elem, value, subtract ) {
 	var matches = rnumsplit.exec( value );
 	return matches ?
@@ -6434,7 +5780,7 @@ function getWidthOrHeight( elem, name, extra ) {
 	var valueIsBorderBox = true,
 		val = name === "width" ? elem.offsetWidth : elem.offsetHeight,
 		styles = getStyles( elem ),
-		isBorderBox = jQuery.support.boxSizing && jQuery.css( elem, "boxSizing", false, styles ) === "border-box";
+		isBorderBox = jQuery.css( elem, "boxSizing", false, styles ) === "border-box";
 
 	// some non-html elements return undefined for offsetWidth, so check for null/undefined
 	// svg - https://bugzilla.mozilla.org/show_bug.cgi?id=649285
@@ -6453,7 +5799,8 @@ function getWidthOrHeight( elem, name, extra ) {
 
 		// we need the check for style in case a browser which returns unreliable values
 		// for getComputedStyle silently falls back to the reliable elem.style
-		valueIsBorderBox = isBorderBox && ( jQuery.support.boxSizingReliable || val === elem.style[ name ] );
+		valueIsBorderBox = isBorderBox &&
+			( support.boxSizingReliable() || val === elem.style[ name ] );
 
 		// Normalize "", auto, and prepare for extra
 		val = parseFloat( val ) || 0;
@@ -6471,45 +5818,190 @@ function getWidthOrHeight( elem, name, extra ) {
 	) + "px";
 }
 
-// Try to determine the default display value of an element
-function css_defaultDisplay( nodeName ) {
-	var doc = document,
-		display = elemdisplay[ nodeName ];
+function showHide( elements, show ) {
+	var display, elem, hidden,
+		values = [],
+		index = 0,
+		length = elements.length;
 
-	if ( !display ) {
-		display = actualDisplay( nodeName, doc );
-
-		// If the simple way fails, read from inside an iframe
-		if ( display === "none" || !display ) {
-			// Use the already-created iframe if possible
-			iframe = ( iframe ||
-				jQuery("<iframe frameborder='0' width='0' height='0'/>")
-				.css( "cssText", "display:block !important" )
-			).appendTo( doc.documentElement );
-
-			// Always write a new HTML skeleton so Webkit and Firefox don't choke on reuse
-			doc = ( iframe[0].contentWindow || iframe[0].contentDocument ).document;
-			doc.write("<!doctype html><html><body>");
-			doc.close();
-
-			display = actualDisplay( nodeName, doc );
-			iframe.detach();
+	for ( ; index < length; index++ ) {
+		elem = elements[ index ];
+		if ( !elem.style ) {
+			continue;
 		}
 
-		// Store the correct default display
-		elemdisplay[ nodeName ] = display;
+		values[ index ] = data_priv.get( elem, "olddisplay" );
+		display = elem.style.display;
+		if ( show ) {
+			// Reset the inline display of this element to learn if it is
+			// being hidden by cascaded rules or not
+			if ( !values[ index ] && display === "none" ) {
+				elem.style.display = "";
+			}
+
+			// Set elements which have been overridden with display: none
+			// in a stylesheet to whatever the default browser style is
+			// for such an element
+			if ( elem.style.display === "" && isHidden( elem ) ) {
+				values[ index ] = data_priv.access( elem, "olddisplay", defaultDisplay(elem.nodeName) );
+			}
+		} else {
+			hidden = isHidden( elem );
+
+			if ( display !== "none" || !hidden ) {
+				data_priv.set( elem, "olddisplay", hidden ? display : jQuery.css( elem, "display" ) );
+			}
+		}
 	}
 
-	return display;
+	// Set the display of most of the elements in a second loop
+	// to avoid the constant reflow
+	for ( index = 0; index < length; index++ ) {
+		elem = elements[ index ];
+		if ( !elem.style ) {
+			continue;
+		}
+		if ( !show || elem.style.display === "none" || elem.style.display === "" ) {
+			elem.style.display = show ? values[ index ] || "" : "none";
+		}
+	}
+
+	return elements;
 }
 
-// Called ONLY from within css_defaultDisplay
-function actualDisplay( name, doc ) {
-	var elem = jQuery( doc.createElement( name ) ).appendTo( doc.body ),
-		display = jQuery.css( elem[0], "display" );
-	elem.remove();
-	return display;
-}
+jQuery.extend({
+	// Add in style property hooks for overriding the default
+	// behavior of getting and setting a style property
+	cssHooks: {
+		opacity: {
+			get: function( elem, computed ) {
+				if ( computed ) {
+					// We should always get a number back from opacity
+					var ret = curCSS( elem, "opacity" );
+					return ret === "" ? "1" : ret;
+				}
+			}
+		}
+	},
+
+	// Don't automatically add "px" to these possibly-unitless properties
+	cssNumber: {
+		"columnCount": true,
+		"fillOpacity": true,
+		"flexGrow": true,
+		"flexShrink": true,
+		"fontWeight": true,
+		"lineHeight": true,
+		"opacity": true,
+		"order": true,
+		"orphans": true,
+		"widows": true,
+		"zIndex": true,
+		"zoom": true
+	},
+
+	// Add in properties whose names you wish to fix before
+	// setting or getting the value
+	cssProps: {
+		// normalize float css property
+		"float": "cssFloat"
+	},
+
+	// Get and set the style property on a DOM Node
+	style: function( elem, name, value, extra ) {
+		// Don't set styles on text and comment nodes
+		if ( !elem || elem.nodeType === 3 || elem.nodeType === 8 || !elem.style ) {
+			return;
+		}
+
+		// Make sure that we're working with the right name
+		var ret, type, hooks,
+			origName = jQuery.camelCase( name ),
+			style = elem.style;
+
+		name = jQuery.cssProps[ origName ] || ( jQuery.cssProps[ origName ] = vendorPropName( style, origName ) );
+
+		// gets hook for the prefixed version
+		// followed by the unprefixed version
+		hooks = jQuery.cssHooks[ name ] || jQuery.cssHooks[ origName ];
+
+		// Check if we're setting a value
+		if ( value !== undefined ) {
+			type = typeof value;
+
+			// convert relative number strings (+= or -=) to relative numbers. #7345
+			if ( type === "string" && (ret = rrelNum.exec( value )) ) {
+				value = ( ret[1] + 1 ) * ret[2] + parseFloat( jQuery.css( elem, name ) );
+				// Fixes bug #9237
+				type = "number";
+			}
+
+			// Make sure that null and NaN values aren't set. See: #7116
+			if ( value == null || value !== value ) {
+				return;
+			}
+
+			// If a number was passed in, add 'px' to the (except for certain CSS properties)
+			if ( type === "number" && !jQuery.cssNumber[ origName ] ) {
+				value += "px";
+			}
+
+			// Fixes #8908, it can be done more correctly by specifying setters in cssHooks,
+			// but it would mean to define eight (for every problematic property) identical functions
+			if ( !support.clearCloneStyle && value === "" && name.indexOf( "background" ) === 0 ) {
+				style[ name ] = "inherit";
+			}
+
+			// If a hook was provided, use that value, otherwise just set the specified value
+			if ( !hooks || !("set" in hooks) || (value = hooks.set( elem, value, extra )) !== undefined ) {
+				style[ name ] = value;
+			}
+
+		} else {
+			// If a hook was provided get the non-computed value from there
+			if ( hooks && "get" in hooks && (ret = hooks.get( elem, false, extra )) !== undefined ) {
+				return ret;
+			}
+
+			// Otherwise just get the value from the style object
+			return style[ name ];
+		}
+	},
+
+	css: function( elem, name, extra, styles ) {
+		var val, num, hooks,
+			origName = jQuery.camelCase( name );
+
+		// Make sure that we're working with the right name
+		name = jQuery.cssProps[ origName ] || ( jQuery.cssProps[ origName ] = vendorPropName( elem.style, origName ) );
+
+		// gets hook for the prefixed version
+		// followed by the unprefixed version
+		hooks = jQuery.cssHooks[ name ] || jQuery.cssHooks[ origName ];
+
+		// If a hook was provided get the computed value from there
+		if ( hooks && "get" in hooks ) {
+			val = hooks.get( elem, true, extra );
+		}
+
+		// Otherwise, if a way to get the computed value exists, use that
+		if ( val === undefined ) {
+			val = curCSS( elem, name, styles );
+		}
+
+		//convert "normal" to computed value
+		if ( val === "normal" && name in cssNormalTransform ) {
+			val = cssNormalTransform[ name ];
+		}
+
+		// Return, converting to number if forced or a qualifier was provided and val looks numeric
+		if ( extra === "" || extra ) {
+			num = parseFloat( val );
+			return extra === true || jQuery.isNumeric( num ) ? num || 0 : val;
+		}
+		return val;
+	}
+});
 
 jQuery.each([ "height", "width" ], function( i, name ) {
 	jQuery.cssHooks[ name ] = {
@@ -6517,7 +6009,7 @@ jQuery.each([ "height", "width" ], function( i, name ) {
 			if ( computed ) {
 				// certain elements can have dimension info if we invisibly show them
 				// however, it must have a current display style that would benefit from this
-				return elem.offsetWidth === 0 && rdisplayswap.test( jQuery.css( elem, "display" ) ) ?
+				return rdisplayswap.test( jQuery.css( elem, "display" ) ) && elem.offsetWidth === 0 ?
 					jQuery.swap( elem, cssShow, function() {
 						return getWidthOrHeight( elem, name, extra );
 					}) :
@@ -6532,7 +6024,7 @@ jQuery.each([ "height", "width" ], function( i, name ) {
 					elem,
 					name,
 					extra,
-					jQuery.support.boxSizing && jQuery.css( elem, "boxSizing", false, styles ) === "border-box",
+					jQuery.css( elem, "boxSizing", false, styles ) === "border-box",
 					styles
 				) : 0
 			);
@@ -6540,56 +6032,17 @@ jQuery.each([ "height", "width" ], function( i, name ) {
 	};
 });
 
-// These hooks cannot be added until DOM ready because the support test
-// for it is not run until after DOM ready
-jQuery(function() {
-	// Support: Android 2.3
-	if ( !jQuery.support.reliableMarginRight ) {
-		jQuery.cssHooks.marginRight = {
-			get: function( elem, computed ) {
-				if ( computed ) {
-					// Support: Android 2.3
-					// WebKit Bug 13343 - getComputedStyle returns wrong value for margin-right
-					// Work around by temporarily setting element display to inline-block
-					return jQuery.swap( elem, { "display": "inline-block" },
-						curCSS, [ elem, "marginRight" ] );
-				}
-			}
-		};
+// Support: Android 2.3
+jQuery.cssHooks.marginRight = addGetHookIf( support.reliableMarginRight,
+	function( elem, computed ) {
+		if ( computed ) {
+			// WebKit Bug 13343 - getComputedStyle returns wrong value for margin-right
+			// Work around by temporarily setting element display to inline-block
+			return jQuery.swap( elem, { "display": "inline-block" },
+				curCSS, [ elem, "marginRight" ] );
+		}
 	}
-
-	// Webkit bug: https://bugs.webkit.org/show_bug.cgi?id=29084
-	// getComputedStyle returns percent when specified for top/left/bottom/right
-	// rather than make the css module depend on the offset module, we just check for it here
-	if ( !jQuery.support.pixelPosition && jQuery.fn.position ) {
-		jQuery.each( [ "top", "left" ], function( i, prop ) {
-			jQuery.cssHooks[ prop ] = {
-				get: function( elem, computed ) {
-					if ( computed ) {
-						computed = curCSS( elem, prop );
-						// if curCSS returns percentage, fallback to offset
-						return rnumnonpx.test( computed ) ?
-							jQuery( elem ).position()[ prop ] + "px" :
-							computed;
-					}
-				}
-			};
-		});
-	}
-
-});
-
-if ( jQuery.expr && jQuery.expr.filters ) {
-	jQuery.expr.filters.hidden = function( elem ) {
-		// Support: Opera <= 12.12
-		// Opera reports offsetWidths and offsetHeights less than zero on some elements
-		return elem.offsetWidth <= 0 && elem.offsetHeight <= 0;
-	};
-
-	jQuery.expr.filters.visible = function( elem ) {
-		return !jQuery.expr.filters.hidden( elem );
-	};
-}
+);
 
 // These hooks are used by animate to expand properties
 jQuery.each({
@@ -6618,105 +6071,1379 @@ jQuery.each({
 		jQuery.cssHooks[ prefix + suffix ].set = setPositiveNumber;
 	}
 });
-var r20 = /%20/g,
-	rbracket = /\[\]$/,
-	rCRLF = /\r?\n/g,
-	rsubmitterTypes = /^(?:submit|button|image|reset|file)$/i,
-	rsubmittable = /^(?:input|select|textarea|keygen)/i;
 
 jQuery.fn.extend({
-	serialize: function() {
-		return jQuery.param( this.serializeArray() );
-	},
-	serializeArray: function() {
-		return this.map(function(){
-			// Can add propHook for "elements" to filter or add form elements
-			var elements = jQuery.prop( this, "elements" );
-			return elements ? jQuery.makeArray( elements ) : this;
-		})
-		.filter(function(){
-			var type = this.type;
-			// Use .is(":disabled") so that fieldset[disabled] works
-			return this.name && !jQuery( this ).is( ":disabled" ) &&
-				rsubmittable.test( this.nodeName ) && !rsubmitterTypes.test( type ) &&
-				( this.checked || !manipulation_rcheckableType.test( type ) );
-		})
-		.map(function( i, elem ){
-			var val = jQuery( this ).val();
+	css: function( name, value ) {
+		return access( this, function( elem, name, value ) {
+			var styles, len,
+				map = {},
+				i = 0;
 
-			return val == null ?
-				null :
-				jQuery.isArray( val ) ?
-					jQuery.map( val, function( val ){
-						return { name: elem.name, value: val.replace( rCRLF, "\r\n" ) };
-					}) :
-					{ name: elem.name, value: val.replace( rCRLF, "\r\n" ) };
-		}).get();
+			if ( jQuery.isArray( name ) ) {
+				styles = getStyles( elem );
+				len = name.length;
+
+				for ( ; i < len; i++ ) {
+					map[ name[ i ] ] = jQuery.css( elem, name[ i ], false, styles );
+				}
+
+				return map;
+			}
+
+			return value !== undefined ?
+				jQuery.style( elem, name, value ) :
+				jQuery.css( elem, name );
+		}, name, value, arguments.length > 1 );
+	},
+	show: function() {
+		return showHide( this, true );
+	},
+	hide: function() {
+		return showHide( this );
+	},
+	toggle: function( state ) {
+		if ( typeof state === "boolean" ) {
+			return state ? this.show() : this.hide();
+		}
+
+		return this.each(function() {
+			if ( isHidden( this ) ) {
+				jQuery( this ).show();
+			} else {
+				jQuery( this ).hide();
+			}
+		});
 	}
 });
 
-//Serialize an array of form elements or a set of
-//key/values into a query string
-jQuery.param = function( a, traditional ) {
-	var prefix,
-		s = [],
-		add = function( key, value ) {
-			// If value is a function, invoke it and return its value
-			value = jQuery.isFunction( value ) ? value() : ( value == null ? "" : value );
-			s[ s.length ] = encodeURIComponent( key ) + "=" + encodeURIComponent( value );
-		};
 
-	// Set traditional to true for jQuery <= 1.3.2 behavior.
-	if ( traditional === undefined ) {
-		traditional = jQuery.ajaxSettings && jQuery.ajaxSettings.traditional;
-	}
+function Tween( elem, options, prop, end, easing ) {
+	return new Tween.prototype.init( elem, options, prop, end, easing );
+}
+jQuery.Tween = Tween;
 
-	// If an array was passed in, assume that it is an array of form elements.
-	if ( jQuery.isArray( a ) || ( a.jquery && !jQuery.isPlainObject( a ) ) ) {
-		// Serialize the form elements
-		jQuery.each( a, function() {
-			add( this.name, this.value );
-		});
+Tween.prototype = {
+	constructor: Tween,
+	init: function( elem, options, prop, end, easing, unit ) {
+		this.elem = elem;
+		this.prop = prop;
+		this.easing = easing || "swing";
+		this.options = options;
+		this.start = this.now = this.cur();
+		this.end = end;
+		this.unit = unit || ( jQuery.cssNumber[ prop ] ? "" : "px" );
+	},
+	cur: function() {
+		var hooks = Tween.propHooks[ this.prop ];
 
-	} else {
-		// If traditional, encode the "old" way (the way 1.3.2 or older
-		// did it), otherwise encode params recursively.
-		for ( prefix in a ) {
-			buildParams( prefix, a[ prefix ], traditional, add );
+		return hooks && hooks.get ?
+			hooks.get( this ) :
+			Tween.propHooks._default.get( this );
+	},
+	run: function( percent ) {
+		var eased,
+			hooks = Tween.propHooks[ this.prop ];
+
+		if ( this.options.duration ) {
+			this.pos = eased = jQuery.easing[ this.easing ](
+				percent, this.options.duration * percent, 0, 1, this.options.duration
+			);
+		} else {
+			this.pos = eased = percent;
 		}
-	}
+		this.now = ( this.end - this.start ) * eased + this.start;
 
-	// Return the resulting serialization
-	return s.join( "&" ).replace( r20, "+" );
+		if ( this.options.step ) {
+			this.options.step.call( this.elem, this.now, this );
+		}
+
+		if ( hooks && hooks.set ) {
+			hooks.set( this );
+		} else {
+			Tween.propHooks._default.set( this );
+		}
+		return this;
+	}
 };
 
-function buildParams( prefix, obj, traditional, add ) {
-	var name;
+Tween.prototype.init.prototype = Tween.prototype;
 
-	if ( jQuery.isArray( obj ) ) {
-		// Serialize array item.
-		jQuery.each( obj, function( i, v ) {
-			if ( traditional || rbracket.test( prefix ) ) {
-				// Treat each array item as a scalar.
-				add( prefix, v );
+Tween.propHooks = {
+	_default: {
+		get: function( tween ) {
+			var result;
 
-			} else {
-				// Item is non-scalar (array or object), encode its numeric index.
-				buildParams( prefix + "[" + ( typeof v === "object" ? i : "" ) + "]", v, traditional, add );
+			if ( tween.elem[ tween.prop ] != null &&
+				(!tween.elem.style || tween.elem.style[ tween.prop ] == null) ) {
+				return tween.elem[ tween.prop ];
 			}
-		});
 
-	} else if ( !traditional && jQuery.type( obj ) === "object" ) {
-		// Serialize object item.
-		for ( name in obj ) {
-			buildParams( prefix + "[" + name + "]", obj[ name ], traditional, add );
+			// passing an empty string as a 3rd parameter to .css will automatically
+			// attempt a parseFloat and fallback to a string if the parse fails
+			// so, simple values such as "10px" are parsed to Float.
+			// complex values such as "rotate(1rad)" are returned as is.
+			result = jQuery.css( tween.elem, tween.prop, "" );
+			// Empty strings, null, undefined and "auto" are converted to 0.
+			return !result || result === "auto" ? 0 : result;
+		},
+		set: function( tween ) {
+			// use step hook for back compat - use cssHook if its there - use .style if its
+			// available and use plain properties where available
+			if ( jQuery.fx.step[ tween.prop ] ) {
+				jQuery.fx.step[ tween.prop ]( tween );
+			} else if ( tween.elem.style && ( tween.elem.style[ jQuery.cssProps[ tween.prop ] ] != null || jQuery.cssHooks[ tween.prop ] ) ) {
+				jQuery.style( tween.elem, tween.prop, tween.now + tween.unit );
+			} else {
+				tween.elem[ tween.prop ] = tween.now;
+			}
 		}
+	}
+};
 
-	} else {
-		// Serialize scalar item.
-		add( prefix, obj );
+// Support: IE9
+// Panic based approach to setting things on disconnected nodes
+
+Tween.propHooks.scrollTop = Tween.propHooks.scrollLeft = {
+	set: function( tween ) {
+		if ( tween.elem.nodeType && tween.elem.parentNode ) {
+			tween.elem[ tween.prop ] = tween.now;
+		}
+	}
+};
+
+jQuery.easing = {
+	linear: function( p ) {
+		return p;
+	},
+	swing: function( p ) {
+		return 0.5 - Math.cos( p * Math.PI ) / 2;
+	}
+};
+
+jQuery.fx = Tween.prototype.init;
+
+// Back Compat <1.8 extension point
+jQuery.fx.step = {};
+
+
+
+
+var
+	fxNow, timerId,
+	rfxtypes = /^(?:toggle|show|hide)$/,
+	rfxnum = new RegExp( "^(?:([+-])=|)(" + pnum + ")([a-z%]*)$", "i" ),
+	rrun = /queueHooks$/,
+	animationPrefilters = [ defaultPrefilter ],
+	tweeners = {
+		"*": [ function( prop, value ) {
+			var tween = this.createTween( prop, value ),
+				target = tween.cur(),
+				parts = rfxnum.exec( value ),
+				unit = parts && parts[ 3 ] || ( jQuery.cssNumber[ prop ] ? "" : "px" ),
+
+				// Starting value computation is required for potential unit mismatches
+				start = ( jQuery.cssNumber[ prop ] || unit !== "px" && +target ) &&
+					rfxnum.exec( jQuery.css( tween.elem, prop ) ),
+				scale = 1,
+				maxIterations = 20;
+
+			if ( start && start[ 3 ] !== unit ) {
+				// Trust units reported by jQuery.css
+				unit = unit || start[ 3 ];
+
+				// Make sure we update the tween properties later on
+				parts = parts || [];
+
+				// Iteratively approximate from a nonzero starting point
+				start = +target || 1;
+
+				do {
+					// If previous iteration zeroed out, double until we get *something*
+					// Use a string for doubling factor so we don't accidentally see scale as unchanged below
+					scale = scale || ".5";
+
+					// Adjust and apply
+					start = start / scale;
+					jQuery.style( tween.elem, prop, start + unit );
+
+				// Update scale, tolerating zero or NaN from tween.cur()
+				// And breaking the loop if scale is unchanged or perfect, or if we've just had enough
+				} while ( scale !== (scale = tween.cur() / target) && scale !== 1 && --maxIterations );
+			}
+
+			// Update tween properties
+			if ( parts ) {
+				start = tween.start = +start || +target || 0;
+				tween.unit = unit;
+				// If a +=/-= token was provided, we're doing a relative animation
+				tween.end = parts[ 1 ] ?
+					start + ( parts[ 1 ] + 1 ) * parts[ 2 ] :
+					+parts[ 2 ];
+			}
+
+			return tween;
+		} ]
+	};
+
+// Animations created synchronously will run synchronously
+function createFxNow() {
+	setTimeout(function() {
+		fxNow = undefined;
+	});
+	return ( fxNow = jQuery.now() );
+}
+
+// Generate parameters to create a standard animation
+function genFx( type, includeWidth ) {
+	var which,
+		i = 0,
+		attrs = { height: type };
+
+	// if we include width, step value is 1 to do all cssExpand values,
+	// if we don't include width, step value is 2 to skip over Left and Right
+	includeWidth = includeWidth ? 1 : 0;
+	for ( ; i < 4 ; i += 2 - includeWidth ) {
+		which = cssExpand[ i ];
+		attrs[ "margin" + which ] = attrs[ "padding" + which ] = type;
+	}
+
+	if ( includeWidth ) {
+		attrs.opacity = attrs.width = type;
+	}
+
+	return attrs;
+}
+
+function createTween( value, prop, animation ) {
+	var tween,
+		collection = ( tweeners[ prop ] || [] ).concat( tweeners[ "*" ] ),
+		index = 0,
+		length = collection.length;
+	for ( ; index < length; index++ ) {
+		if ( (tween = collection[ index ].call( animation, prop, value )) ) {
+
+			// we're done with this property
+			return tween;
+		}
 	}
 }
+
+function defaultPrefilter( elem, props, opts ) {
+	/* jshint validthis: true */
+	var prop, value, toggle, tween, hooks, oldfire, display,
+		anim = this,
+		orig = {},
+		style = elem.style,
+		hidden = elem.nodeType && isHidden( elem ),
+		dataShow = data_priv.get( elem, "fxshow" );
+
+	// handle queue: false promises
+	if ( !opts.queue ) {
+		hooks = jQuery._queueHooks( elem, "fx" );
+		if ( hooks.unqueued == null ) {
+			hooks.unqueued = 0;
+			oldfire = hooks.empty.fire;
+			hooks.empty.fire = function() {
+				if ( !hooks.unqueued ) {
+					oldfire();
+				}
+			};
+		}
+		hooks.unqueued++;
+
+		anim.always(function() {
+			// doing this makes sure that the complete handler will be called
+			// before this completes
+			anim.always(function() {
+				hooks.unqueued--;
+				if ( !jQuery.queue( elem, "fx" ).length ) {
+					hooks.empty.fire();
+				}
+			});
+		});
+	}
+
+	// height/width overflow pass
+	if ( elem.nodeType === 1 && ( "height" in props || "width" in props ) ) {
+		// Make sure that nothing sneaks out
+		// Record all 3 overflow attributes because IE9-10 do not
+		// change the overflow attribute when overflowX and
+		// overflowY are set to the same value
+		opts.overflow = [ style.overflow, style.overflowX, style.overflowY ];
+
+		// Set display property to inline-block for height/width
+		// animations on inline elements that are having width/height animated
+		display = jQuery.css( elem, "display" );
+		// Test default display if display is currently "none"
+		if ( (display === "none" ? defaultDisplay( elem.nodeName ) : display) === "inline" &&
+				jQuery.css( elem, "float" ) === "none" ) {
+
+			style.display = "inline-block";
+		}
+	}
+
+	if ( opts.overflow ) {
+		style.overflow = "hidden";
+		anim.always(function() {
+			style.overflow = opts.overflow[ 0 ];
+			style.overflowX = opts.overflow[ 1 ];
+			style.overflowY = opts.overflow[ 2 ];
+		});
+	}
+
+	// show/hide pass
+	for ( prop in props ) {
+		value = props[ prop ];
+		if ( rfxtypes.exec( value ) ) {
+			delete props[ prop ];
+			toggle = toggle || value === "toggle";
+			if ( value === ( hidden ? "hide" : "show" ) ) {
+
+				// If there is dataShow left over from a stopped hide or show and we are going to proceed with show, we should pretend to be hidden
+				if ( value === "show" && dataShow && dataShow[ prop ] !== undefined ) {
+					hidden = true;
+				} else {
+					continue;
+				}
+			}
+			orig[ prop ] = dataShow && dataShow[ prop ] || jQuery.style( elem, prop );
+
+		// Any non-fx value stops us from restoring the original display value
+		} else {
+			display = undefined;
+		}
+	}
+
+	if ( !jQuery.isEmptyObject( orig ) ) {
+		if ( dataShow ) {
+			if ( "hidden" in dataShow ) {
+				hidden = dataShow.hidden;
+			}
+		} else {
+			dataShow = data_priv.access( elem, "fxshow", {} );
+		}
+
+		// store state if its toggle - enables .stop().toggle() to "reverse"
+		if ( toggle ) {
+			dataShow.hidden = !hidden;
+		}
+		if ( hidden ) {
+			jQuery( elem ).show();
+		} else {
+			anim.done(function() {
+				jQuery( elem ).hide();
+			});
+		}
+		anim.done(function() {
+			var prop;
+
+			data_priv.remove( elem, "fxshow" );
+			for ( prop in orig ) {
+				jQuery.style( elem, prop, orig[ prop ] );
+			}
+		});
+		for ( prop in orig ) {
+			tween = createTween( hidden ? dataShow[ prop ] : 0, prop, anim );
+
+			if ( !( prop in dataShow ) ) {
+				dataShow[ prop ] = tween.start;
+				if ( hidden ) {
+					tween.end = tween.start;
+					tween.start = prop === "width" || prop === "height" ? 1 : 0;
+				}
+			}
+		}
+
+	// If this is a noop like .hide().hide(), restore an overwritten display value
+	} else if ( (display === "none" ? defaultDisplay( elem.nodeName ) : display) === "inline" ) {
+		style.display = display;
+	}
+}
+
+function propFilter( props, specialEasing ) {
+	var index, name, easing, value, hooks;
+
+	// camelCase, specialEasing and expand cssHook pass
+	for ( index in props ) {
+		name = jQuery.camelCase( index );
+		easing = specialEasing[ name ];
+		value = props[ index ];
+		if ( jQuery.isArray( value ) ) {
+			easing = value[ 1 ];
+			value = props[ index ] = value[ 0 ];
+		}
+
+		if ( index !== name ) {
+			props[ name ] = value;
+			delete props[ index ];
+		}
+
+		hooks = jQuery.cssHooks[ name ];
+		if ( hooks && "expand" in hooks ) {
+			value = hooks.expand( value );
+			delete props[ name ];
+
+			// not quite $.extend, this wont overwrite keys already present.
+			// also - reusing 'index' from above because we have the correct "name"
+			for ( index in value ) {
+				if ( !( index in props ) ) {
+					props[ index ] = value[ index ];
+					specialEasing[ index ] = easing;
+				}
+			}
+		} else {
+			specialEasing[ name ] = easing;
+		}
+	}
+}
+
+function Animation( elem, properties, options ) {
+	var result,
+		stopped,
+		index = 0,
+		length = animationPrefilters.length,
+		deferred = jQuery.Deferred().always( function() {
+			// don't match elem in the :animated selector
+			delete tick.elem;
+		}),
+		tick = function() {
+			if ( stopped ) {
+				return false;
+			}
+			var currentTime = fxNow || createFxNow(),
+				remaining = Math.max( 0, animation.startTime + animation.duration - currentTime ),
+				// archaic crash bug won't allow us to use 1 - ( 0.5 || 0 ) (#12497)
+				temp = remaining / animation.duration || 0,
+				percent = 1 - temp,
+				index = 0,
+				length = animation.tweens.length;
+
+			for ( ; index < length ; index++ ) {
+				animation.tweens[ index ].run( percent );
+			}
+
+			deferred.notifyWith( elem, [ animation, percent, remaining ]);
+
+			if ( percent < 1 && length ) {
+				return remaining;
+			} else {
+				deferred.resolveWith( elem, [ animation ] );
+				return false;
+			}
+		},
+		animation = deferred.promise({
+			elem: elem,
+			props: jQuery.extend( {}, properties ),
+			opts: jQuery.extend( true, { specialEasing: {} }, options ),
+			originalProperties: properties,
+			originalOptions: options,
+			startTime: fxNow || createFxNow(),
+			duration: options.duration,
+			tweens: [],
+			createTween: function( prop, end ) {
+				var tween = jQuery.Tween( elem, animation.opts, prop, end,
+						animation.opts.specialEasing[ prop ] || animation.opts.easing );
+				animation.tweens.push( tween );
+				return tween;
+			},
+			stop: function( gotoEnd ) {
+				var index = 0,
+					// if we are going to the end, we want to run all the tweens
+					// otherwise we skip this part
+					length = gotoEnd ? animation.tweens.length : 0;
+				if ( stopped ) {
+					return this;
+				}
+				stopped = true;
+				for ( ; index < length ; index++ ) {
+					animation.tweens[ index ].run( 1 );
+				}
+
+				// resolve when we played the last frame
+				// otherwise, reject
+				if ( gotoEnd ) {
+					deferred.resolveWith( elem, [ animation, gotoEnd ] );
+				} else {
+					deferred.rejectWith( elem, [ animation, gotoEnd ] );
+				}
+				return this;
+			}
+		}),
+		props = animation.props;
+
+	propFilter( props, animation.opts.specialEasing );
+
+	for ( ; index < length ; index++ ) {
+		result = animationPrefilters[ index ].call( animation, elem, props, animation.opts );
+		if ( result ) {
+			return result;
+		}
+	}
+
+	jQuery.map( props, createTween, animation );
+
+	if ( jQuery.isFunction( animation.opts.start ) ) {
+		animation.opts.start.call( elem, animation );
+	}
+
+	jQuery.fx.timer(
+		jQuery.extend( tick, {
+			elem: elem,
+			anim: animation,
+			queue: animation.opts.queue
+		})
+	);
+
+	// attach callbacks from options
+	return animation.progress( animation.opts.progress )
+		.done( animation.opts.done, animation.opts.complete )
+		.fail( animation.opts.fail )
+		.always( animation.opts.always );
+}
+
+jQuery.Animation = jQuery.extend( Animation, {
+
+	tweener: function( props, callback ) {
+		if ( jQuery.isFunction( props ) ) {
+			callback = props;
+			props = [ "*" ];
+		} else {
+			props = props.split(" ");
+		}
+
+		var prop,
+			index = 0,
+			length = props.length;
+
+		for ( ; index < length ; index++ ) {
+			prop = props[ index ];
+			tweeners[ prop ] = tweeners[ prop ] || [];
+			tweeners[ prop ].unshift( callback );
+		}
+	},
+
+	prefilter: function( callback, prepend ) {
+		if ( prepend ) {
+			animationPrefilters.unshift( callback );
+		} else {
+			animationPrefilters.push( callback );
+		}
+	}
+});
+
+jQuery.speed = function( speed, easing, fn ) {
+	var opt = speed && typeof speed === "object" ? jQuery.extend( {}, speed ) : {
+		complete: fn || !fn && easing ||
+			jQuery.isFunction( speed ) && speed,
+		duration: speed,
+		easing: fn && easing || easing && !jQuery.isFunction( easing ) && easing
+	};
+
+	opt.duration = jQuery.fx.off ? 0 : typeof opt.duration === "number" ? opt.duration :
+		opt.duration in jQuery.fx.speeds ? jQuery.fx.speeds[ opt.duration ] : jQuery.fx.speeds._default;
+
+	// normalize opt.queue - true/undefined/null -> "fx"
+	if ( opt.queue == null || opt.queue === true ) {
+		opt.queue = "fx";
+	}
+
+	// Queueing
+	opt.old = opt.complete;
+
+	opt.complete = function() {
+		if ( jQuery.isFunction( opt.old ) ) {
+			opt.old.call( this );
+		}
+
+		if ( opt.queue ) {
+			jQuery.dequeue( this, opt.queue );
+		}
+	};
+
+	return opt;
+};
+
+jQuery.fn.extend({
+	fadeTo: function( speed, to, easing, callback ) {
+
+		// show any hidden elements after setting opacity to 0
+		return this.filter( isHidden ).css( "opacity", 0 ).show()
+
+			// animate to the value specified
+			.end().animate({ opacity: to }, speed, easing, callback );
+	},
+	animate: function( prop, speed, easing, callback ) {
+		var empty = jQuery.isEmptyObject( prop ),
+			optall = jQuery.speed( speed, easing, callback ),
+			doAnimation = function() {
+				// Operate on a copy of prop so per-property easing won't be lost
+				var anim = Animation( this, jQuery.extend( {}, prop ), optall );
+
+				// Empty animations, or finishing resolves immediately
+				if ( empty || data_priv.get( this, "finish" ) ) {
+					anim.stop( true );
+				}
+			};
+			doAnimation.finish = doAnimation;
+
+		return empty || optall.queue === false ?
+			this.each( doAnimation ) :
+			this.queue( optall.queue, doAnimation );
+	},
+	stop: function( type, clearQueue, gotoEnd ) {
+		var stopQueue = function( hooks ) {
+			var stop = hooks.stop;
+			delete hooks.stop;
+			stop( gotoEnd );
+		};
+
+		if ( typeof type !== "string" ) {
+			gotoEnd = clearQueue;
+			clearQueue = type;
+			type = undefined;
+		}
+		if ( clearQueue && type !== false ) {
+			this.queue( type || "fx", [] );
+		}
+
+		return this.each(function() {
+			var dequeue = true,
+				index = type != null && type + "queueHooks",
+				timers = jQuery.timers,
+				data = data_priv.get( this );
+
+			if ( index ) {
+				if ( data[ index ] && data[ index ].stop ) {
+					stopQueue( data[ index ] );
+				}
+			} else {
+				for ( index in data ) {
+					if ( data[ index ] && data[ index ].stop && rrun.test( index ) ) {
+						stopQueue( data[ index ] );
+					}
+				}
+			}
+
+			for ( index = timers.length; index--; ) {
+				if ( timers[ index ].elem === this && (type == null || timers[ index ].queue === type) ) {
+					timers[ index ].anim.stop( gotoEnd );
+					dequeue = false;
+					timers.splice( index, 1 );
+				}
+			}
+
+			// start the next in the queue if the last step wasn't forced
+			// timers currently will call their complete callbacks, which will dequeue
+			// but only if they were gotoEnd
+			if ( dequeue || !gotoEnd ) {
+				jQuery.dequeue( this, type );
+			}
+		});
+	},
+	finish: function( type ) {
+		if ( type !== false ) {
+			type = type || "fx";
+		}
+		return this.each(function() {
+			var index,
+				data = data_priv.get( this ),
+				queue = data[ type + "queue" ],
+				hooks = data[ type + "queueHooks" ],
+				timers = jQuery.timers,
+				length = queue ? queue.length : 0;
+
+			// enable finishing flag on private data
+			data.finish = true;
+
+			// empty the queue first
+			jQuery.queue( this, type, [] );
+
+			if ( hooks && hooks.stop ) {
+				hooks.stop.call( this, true );
+			}
+
+			// look for any active animations, and finish them
+			for ( index = timers.length; index--; ) {
+				if ( timers[ index ].elem === this && timers[ index ].queue === type ) {
+					timers[ index ].anim.stop( true );
+					timers.splice( index, 1 );
+				}
+			}
+
+			// look for any animations in the old queue and finish them
+			for ( index = 0; index < length; index++ ) {
+				if ( queue[ index ] && queue[ index ].finish ) {
+					queue[ index ].finish.call( this );
+				}
+			}
+
+			// turn off finishing flag
+			delete data.finish;
+		});
+	}
+});
+
+jQuery.each([ "toggle", "show", "hide" ], function( i, name ) {
+	var cssFn = jQuery.fn[ name ];
+	jQuery.fn[ name ] = function( speed, easing, callback ) {
+		return speed == null || typeof speed === "boolean" ?
+			cssFn.apply( this, arguments ) :
+			this.animate( genFx( name, true ), speed, easing, callback );
+	};
+});
+
+// Generate shortcuts for custom animations
+jQuery.each({
+	slideDown: genFx("show"),
+	slideUp: genFx("hide"),
+	slideToggle: genFx("toggle"),
+	fadeIn: { opacity: "show" },
+	fadeOut: { opacity: "hide" },
+	fadeToggle: { opacity: "toggle" }
+}, function( name, props ) {
+	jQuery.fn[ name ] = function( speed, easing, callback ) {
+		return this.animate( props, speed, easing, callback );
+	};
+});
+
+jQuery.timers = [];
+jQuery.fx.tick = function() {
+	var timer,
+		i = 0,
+		timers = jQuery.timers;
+
+	fxNow = jQuery.now();
+
+	for ( ; i < timers.length; i++ ) {
+		timer = timers[ i ];
+		// Checks the timer has not already been removed
+		if ( !timer() && timers[ i ] === timer ) {
+			timers.splice( i--, 1 );
+		}
+	}
+
+	if ( !timers.length ) {
+		jQuery.fx.stop();
+	}
+	fxNow = undefined;
+};
+
+jQuery.fx.timer = function( timer ) {
+	jQuery.timers.push( timer );
+	if ( timer() ) {
+		jQuery.fx.start();
+	} else {
+		jQuery.timers.pop();
+	}
+};
+
+jQuery.fx.interval = 13;
+
+jQuery.fx.start = function() {
+	if ( !timerId ) {
+		timerId = setInterval( jQuery.fx.tick, jQuery.fx.interval );
+	}
+};
+
+jQuery.fx.stop = function() {
+	clearInterval( timerId );
+	timerId = null;
+};
+
+jQuery.fx.speeds = {
+	slow: 600,
+	fast: 200,
+	// Default speed
+	_default: 400
+};
+
+
+// Based off of the plugin by Clint Helfers, with permission.
+// http://blindsignals.com/index.php/2009/07/jquery-delay/
+jQuery.fn.delay = function( time, type ) {
+	time = jQuery.fx ? jQuery.fx.speeds[ time ] || time : time;
+	type = type || "fx";
+
+	return this.queue( type, function( next, hooks ) {
+		var timeout = setTimeout( next, time );
+		hooks.stop = function() {
+			clearTimeout( timeout );
+		};
+	});
+};
+
+
+(function() {
+	var input = document.createElement( "input" ),
+		select = document.createElement( "select" ),
+		opt = select.appendChild( document.createElement( "option" ) );
+
+	input.type = "checkbox";
+
+	// Support: iOS 5.1, Android 4.x, Android 2.3
+	// Check the default checkbox/radio value ("" on old WebKit; "on" elsewhere)
+	support.checkOn = input.value !== "";
+
+	// Must access the parent to make an option select properly
+	// Support: IE9, IE10
+	support.optSelected = opt.selected;
+
+	// Make sure that the options inside disabled selects aren't marked as disabled
+	// (WebKit marks them as disabled)
+	select.disabled = true;
+	support.optDisabled = !opt.disabled;
+
+	// Check if an input maintains its value after becoming a radio
+	// Support: IE9, IE10
+	input = document.createElement( "input" );
+	input.value = "t";
+	input.type = "radio";
+	support.radioValue = input.value === "t";
+})();
+
+
+var nodeHook, boolHook,
+	attrHandle = jQuery.expr.attrHandle;
+
+jQuery.fn.extend({
+	attr: function( name, value ) {
+		return access( this, jQuery.attr, name, value, arguments.length > 1 );
+	},
+
+	removeAttr: function( name ) {
+		return this.each(function() {
+			jQuery.removeAttr( this, name );
+		});
+	}
+});
+
+jQuery.extend({
+	attr: function( elem, name, value ) {
+		var hooks, ret,
+			nType = elem.nodeType;
+
+		// don't get/set attributes on text, comment and attribute nodes
+		if ( !elem || nType === 3 || nType === 8 || nType === 2 ) {
+			return;
+		}
+
+		// Fallback to prop when attributes are not supported
+		if ( typeof elem.getAttribute === strundefined ) {
+			return jQuery.prop( elem, name, value );
+		}
+
+		// All attributes are lowercase
+		// Grab necessary hook if one is defined
+		if ( nType !== 1 || !jQuery.isXMLDoc( elem ) ) {
+			name = name.toLowerCase();
+			hooks = jQuery.attrHooks[ name ] ||
+				( jQuery.expr.match.bool.test( name ) ? boolHook : nodeHook );
+		}
+
+		if ( value !== undefined ) {
+
+			if ( value === null ) {
+				jQuery.removeAttr( elem, name );
+
+			} else if ( hooks && "set" in hooks && (ret = hooks.set( elem, value, name )) !== undefined ) {
+				return ret;
+
+			} else {
+				elem.setAttribute( name, value + "" );
+				return value;
+			}
+
+		} else if ( hooks && "get" in hooks && (ret = hooks.get( elem, name )) !== null ) {
+			return ret;
+
+		} else {
+			ret = jQuery.find.attr( elem, name );
+
+			// Non-existent attributes return null, we normalize to undefined
+			return ret == null ?
+				undefined :
+				ret;
+		}
+	},
+
+	removeAttr: function( elem, value ) {
+		var name, propName,
+			i = 0,
+			attrNames = value && value.match( rnotwhite );
+
+		if ( attrNames && elem.nodeType === 1 ) {
+			while ( (name = attrNames[i++]) ) {
+				propName = jQuery.propFix[ name ] || name;
+
+				// Boolean attributes get special treatment (#10870)
+				if ( jQuery.expr.match.bool.test( name ) ) {
+					// Set corresponding property to false
+					elem[ propName ] = false;
+				}
+
+				elem.removeAttribute( name );
+			}
+		}
+	},
+
+	attrHooks: {
+		type: {
+			set: function( elem, value ) {
+				if ( !support.radioValue && value === "radio" &&
+					jQuery.nodeName( elem, "input" ) ) {
+					// Setting the type on a radio button after the value resets the value in IE6-9
+					// Reset value to default in case type is set after value during creation
+					var val = elem.value;
+					elem.setAttribute( "type", value );
+					if ( val ) {
+						elem.value = val;
+					}
+					return value;
+				}
+			}
+		}
+	}
+});
+
+// Hooks for boolean attributes
+boolHook = {
+	set: function( elem, value, name ) {
+		if ( value === false ) {
+			// Remove boolean attributes when set to false
+			jQuery.removeAttr( elem, name );
+		} else {
+			elem.setAttribute( name, name );
+		}
+		return name;
+	}
+};
+jQuery.each( jQuery.expr.match.bool.source.match( /\w+/g ), function( i, name ) {
+	var getter = attrHandle[ name ] || jQuery.find.attr;
+
+	attrHandle[ name ] = function( elem, name, isXML ) {
+		var ret, handle;
+		if ( !isXML ) {
+			// Avoid an infinite loop by temporarily removing this function from the getter
+			handle = attrHandle[ name ];
+			attrHandle[ name ] = ret;
+			ret = getter( elem, name, isXML ) != null ?
+				name.toLowerCase() :
+				null;
+			attrHandle[ name ] = handle;
+		}
+		return ret;
+	};
+});
+
+
+
+
+var rfocusable = /^(?:input|select|textarea|button)$/i;
+
+jQuery.fn.extend({
+	prop: function( name, value ) {
+		return access( this, jQuery.prop, name, value, arguments.length > 1 );
+	},
+
+	removeProp: function( name ) {
+		return this.each(function() {
+			delete this[ jQuery.propFix[ name ] || name ];
+		});
+	}
+});
+
+jQuery.extend({
+	propFix: {
+		"for": "htmlFor",
+		"class": "className"
+	},
+
+	prop: function( elem, name, value ) {
+		var ret, hooks, notxml,
+			nType = elem.nodeType;
+
+		// don't get/set properties on text, comment and attribute nodes
+		if ( !elem || nType === 3 || nType === 8 || nType === 2 ) {
+			return;
+		}
+
+		notxml = nType !== 1 || !jQuery.isXMLDoc( elem );
+
+		if ( notxml ) {
+			// Fix name and attach hooks
+			name = jQuery.propFix[ name ] || name;
+			hooks = jQuery.propHooks[ name ];
+		}
+
+		if ( value !== undefined ) {
+			return hooks && "set" in hooks && (ret = hooks.set( elem, value, name )) !== undefined ?
+				ret :
+				( elem[ name ] = value );
+
+		} else {
+			return hooks && "get" in hooks && (ret = hooks.get( elem, name )) !== null ?
+				ret :
+				elem[ name ];
+		}
+	},
+
+	propHooks: {
+		tabIndex: {
+			get: function( elem ) {
+				return elem.hasAttribute( "tabindex" ) || rfocusable.test( elem.nodeName ) || elem.href ?
+					elem.tabIndex :
+					-1;
+			}
+		}
+	}
+});
+
+// Support: IE9+
+// Selectedness for an option in an optgroup can be inaccurate
+if ( !support.optSelected ) {
+	jQuery.propHooks.selected = {
+		get: function( elem ) {
+			var parent = elem.parentNode;
+			if ( parent && parent.parentNode ) {
+				parent.parentNode.selectedIndex;
+			}
+			return null;
+		}
+	};
+}
+
+jQuery.each([
+	"tabIndex",
+	"readOnly",
+	"maxLength",
+	"cellSpacing",
+	"cellPadding",
+	"rowSpan",
+	"colSpan",
+	"useMap",
+	"frameBorder",
+	"contentEditable"
+], function() {
+	jQuery.propFix[ this.toLowerCase() ] = this;
+});
+
+
+
+
+var rclass = /[\t\r\n\f]/g;
+
+jQuery.fn.extend({
+	addClass: function( value ) {
+		var classes, elem, cur, clazz, j, finalValue,
+			proceed = typeof value === "string" && value,
+			i = 0,
+			len = this.length;
+
+		if ( jQuery.isFunction( value ) ) {
+			return this.each(function( j ) {
+				jQuery( this ).addClass( value.call( this, j, this.className ) );
+			});
+		}
+
+		if ( proceed ) {
+			// The disjunction here is for better compressibility (see removeClass)
+			classes = ( value || "" ).match( rnotwhite ) || [];
+
+			for ( ; i < len; i++ ) {
+				elem = this[ i ];
+				cur = elem.nodeType === 1 && ( elem.className ?
+					( " " + elem.className + " " ).replace( rclass, " " ) :
+					" "
+				);
+
+				if ( cur ) {
+					j = 0;
+					while ( (clazz = classes[j++]) ) {
+						if ( cur.indexOf( " " + clazz + " " ) < 0 ) {
+							cur += clazz + " ";
+						}
+					}
+
+					// only assign if different to avoid unneeded rendering.
+					finalValue = jQuery.trim( cur );
+					if ( elem.className !== finalValue ) {
+						elem.className = finalValue;
+					}
+				}
+			}
+		}
+
+		return this;
+	},
+
+	removeClass: function( value ) {
+		var classes, elem, cur, clazz, j, finalValue,
+			proceed = arguments.length === 0 || typeof value === "string" && value,
+			i = 0,
+			len = this.length;
+
+		if ( jQuery.isFunction( value ) ) {
+			return this.each(function( j ) {
+				jQuery( this ).removeClass( value.call( this, j, this.className ) );
+			});
+		}
+		if ( proceed ) {
+			classes = ( value || "" ).match( rnotwhite ) || [];
+
+			for ( ; i < len; i++ ) {
+				elem = this[ i ];
+				// This expression is here for better compressibility (see addClass)
+				cur = elem.nodeType === 1 && ( elem.className ?
+					( " " + elem.className + " " ).replace( rclass, " " ) :
+					""
+				);
+
+				if ( cur ) {
+					j = 0;
+					while ( (clazz = classes[j++]) ) {
+						// Remove *all* instances
+						while ( cur.indexOf( " " + clazz + " " ) >= 0 ) {
+							cur = cur.replace( " " + clazz + " ", " " );
+						}
+					}
+
+					// only assign if different to avoid unneeded rendering.
+					finalValue = value ? jQuery.trim( cur ) : "";
+					if ( elem.className !== finalValue ) {
+						elem.className = finalValue;
+					}
+				}
+			}
+		}
+
+		return this;
+	},
+
+	toggleClass: function( value, stateVal ) {
+		var type = typeof value;
+
+		if ( typeof stateVal === "boolean" && type === "string" ) {
+			return stateVal ? this.addClass( value ) : this.removeClass( value );
+		}
+
+		if ( jQuery.isFunction( value ) ) {
+			return this.each(function( i ) {
+				jQuery( this ).toggleClass( value.call(this, i, this.className, stateVal), stateVal );
+			});
+		}
+
+		return this.each(function() {
+			if ( type === "string" ) {
+				// toggle individual class names
+				var className,
+					i = 0,
+					self = jQuery( this ),
+					classNames = value.match( rnotwhite ) || [];
+
+				while ( (className = classNames[ i++ ]) ) {
+					// check each className given, space separated list
+					if ( self.hasClass( className ) ) {
+						self.removeClass( className );
+					} else {
+						self.addClass( className );
+					}
+				}
+
+			// Toggle whole class name
+			} else if ( type === strundefined || type === "boolean" ) {
+				if ( this.className ) {
+					// store className if set
+					data_priv.set( this, "__className__", this.className );
+				}
+
+				// If the element has a class name or if we're passed "false",
+				// then remove the whole classname (if there was one, the above saved it).
+				// Otherwise bring back whatever was previously saved (if anything),
+				// falling back to the empty string if nothing was stored.
+				this.className = this.className || value === false ? "" : data_priv.get( this, "__className__" ) || "";
+			}
+		});
+	},
+
+	hasClass: function( selector ) {
+		var className = " " + selector + " ",
+			i = 0,
+			l = this.length;
+		for ( ; i < l; i++ ) {
+			if ( this[i].nodeType === 1 && (" " + this[i].className + " ").replace(rclass, " ").indexOf( className ) >= 0 ) {
+				return true;
+			}
+		}
+
+		return false;
+	}
+});
+
+
+
+
+var rreturn = /\r/g;
+
+jQuery.fn.extend({
+	val: function( value ) {
+		var hooks, ret, isFunction,
+			elem = this[0];
+
+		if ( !arguments.length ) {
+			if ( elem ) {
+				hooks = jQuery.valHooks[ elem.type ] || jQuery.valHooks[ elem.nodeName.toLowerCase() ];
+
+				if ( hooks && "get" in hooks && (ret = hooks.get( elem, "value" )) !== undefined ) {
+					return ret;
+				}
+
+				ret = elem.value;
+
+				return typeof ret === "string" ?
+					// handle most common string cases
+					ret.replace(rreturn, "") :
+					// handle cases where value is null/undef or number
+					ret == null ? "" : ret;
+			}
+
+			return;
+		}
+
+		isFunction = jQuery.isFunction( value );
+
+		return this.each(function( i ) {
+			var val;
+
+			if ( this.nodeType !== 1 ) {
+				return;
+			}
+
+			if ( isFunction ) {
+				val = value.call( this, i, jQuery( this ).val() );
+			} else {
+				val = value;
+			}
+
+			// Treat null/undefined as ""; convert numbers to string
+			if ( val == null ) {
+				val = "";
+
+			} else if ( typeof val === "number" ) {
+				val += "";
+
+			} else if ( jQuery.isArray( val ) ) {
+				val = jQuery.map( val, function( value ) {
+					return value == null ? "" : value + "";
+				});
+			}
+
+			hooks = jQuery.valHooks[ this.type ] || jQuery.valHooks[ this.nodeName.toLowerCase() ];
+
+			// If set returns undefined, fall back to normal setting
+			if ( !hooks || !("set" in hooks) || hooks.set( this, val, "value" ) === undefined ) {
+				this.value = val;
+			}
+		});
+	}
+});
+
+jQuery.extend({
+	valHooks: {
+		option: {
+			get: function( elem ) {
+				var val = jQuery.find.attr( elem, "value" );
+				return val != null ?
+					val :
+					// Support: IE10-11+
+					// option.text throws exceptions (#14686, #14858)
+					jQuery.trim( jQuery.text( elem ) );
+			}
+		},
+		select: {
+			get: function( elem ) {
+				var value, option,
+					options = elem.options,
+					index = elem.selectedIndex,
+					one = elem.type === "select-one" || index < 0,
+					values = one ? null : [],
+					max = one ? index + 1 : options.length,
+					i = index < 0 ?
+						max :
+						one ? index : 0;
+
+				// Loop through all the selected options
+				for ( ; i < max; i++ ) {
+					option = options[ i ];
+
+					// IE6-9 doesn't update selected after form reset (#2551)
+					if ( ( option.selected || i === index ) &&
+							// Don't return options that are disabled or in a disabled optgroup
+							( support.optDisabled ? !option.disabled : option.getAttribute( "disabled" ) === null ) &&
+							( !option.parentNode.disabled || !jQuery.nodeName( option.parentNode, "optgroup" ) ) ) {
+
+						// Get the specific value for the option
+						value = jQuery( option ).val();
+
+						// We don't need an array for one selects
+						if ( one ) {
+							return value;
+						}
+
+						// Multi-Selects return an array
+						values.push( value );
+					}
+				}
+
+				return values;
+			},
+
+			set: function( elem, value ) {
+				var optionSet, option,
+					options = elem.options,
+					values = jQuery.makeArray( value ),
+					i = options.length;
+
+				while ( i-- ) {
+					option = options[ i ];
+					if ( (option.selected = jQuery.inArray( option.value, values ) >= 0) ) {
+						optionSet = true;
+					}
+				}
+
+				// force browsers to behave consistently when non-matching value is set
+				if ( !optionSet ) {
+					elem.selectedIndex = -1;
+				}
+				return values;
+			}
+		}
+	}
+});
+
+// Radios and checkboxes getter/setter
+jQuery.each([ "radio", "checkbox" ], function() {
+	jQuery.valHooks[ this ] = {
+		set: function( elem, value ) {
+			if ( jQuery.isArray( value ) ) {
+				return ( elem.checked = jQuery.inArray( jQuery(elem).val(), value ) >= 0 );
+			}
+		}
+	};
+	if ( !support.checkOn ) {
+		jQuery.valHooks[ this ].get = function( elem ) {
+			// Support: Webkit
+			// "" is returned instead of "on" if a value isn't specified
+			return elem.getAttribute("value") === null ? "on" : elem.value;
+		};
+	}
+});
+
+
+
+
+// Return jQuery for attributes-only inclusion
+
+
 jQuery.each( ("blur focus focusin focusout load resize scroll unload click dblclick " +
 	"mousedown mouseup mousemove mouseover mouseout mouseenter mouseleave " +
 	"change select submit keydown keypress keyup error contextmenu").split(" "), function( i, name ) {
@@ -6749,14 +7476,48 @@ jQuery.fn.extend({
 		return arguments.length === 1 ? this.off( selector, "**" ) : this.off( types, selector || "**", fn );
 	}
 });
+
+
+var nonce = jQuery.now();
+
+var rquery = (/\?/);
+
+
+
+// Support: Android 2.3
+// Workaround failure to string-cast null input
+jQuery.parseJSON = function( data ) {
+	return JSON.parse( data + "" );
+};
+
+
+// Cross-browser xml parsing
+jQuery.parseXML = function( data ) {
+	var xml, tmp;
+	if ( !data || typeof data !== "string" ) {
+		return null;
+	}
+
+	// Support: IE9
+	try {
+		tmp = new DOMParser();
+		xml = tmp.parseFromString( data, "text/xml" );
+	} catch ( e ) {
+		xml = undefined;
+	}
+
+	if ( !xml || xml.getElementsByTagName( "parsererror" ).length ) {
+		jQuery.error( "Invalid XML: " + data );
+	}
+	return xml;
+};
+
+
 var
 	// Document location
 	ajaxLocParts,
 	ajaxLocation,
 
-	ajax_nonce = jQuery.now(),
-
-	ajax_rquery = /\?/,
 	rhash = /#.*$/,
 	rts = /([?&])_=[^&]*/,
 	rheaders = /^(.*?):[ \t]*([^\r\n]*)$/mg,
@@ -6764,10 +7525,7 @@ var
 	rlocalProtocol = /^(?:about|app|app-storage|.+-extension|file|res|widget):$/,
 	rnoContent = /^(?:GET|HEAD)$/,
 	rprotocol = /^\/\//,
-	rurl = /^([\w.+-]+:)(?:\/\/([^\/?#:]*)(?::(\d+)|)|)/,
-
-	// Keep a copy of the old load method
-	_load = jQuery.fn.load,
+	rurl = /^([\w.+-]+:)(?:\/\/(?:[^\/?#]*@|)([^\/?#:]*)(?::(\d+)|)|)/,
 
 	/* Prefilters
 	 * 1) They are useful to introduce custom dataTypes (see ajax/jsonp.js for an example)
@@ -6818,7 +7576,7 @@ function addToPrefiltersOrTransports( structure ) {
 
 		var dataType,
 			i = 0,
-			dataTypes = dataTypeExpression.toLowerCase().match( core_rnotwhite ) || [];
+			dataTypes = dataTypeExpression.toLowerCase().match( rnotwhite ) || [];
 
 		if ( jQuery.isFunction( func ) ) {
 			// For each dataType in the dataTypeExpression
@@ -6848,7 +7606,7 @@ function inspectPrefiltersOrTransports( structure, options, originalOptions, jqX
 		inspected[ dataType ] = true;
 		jQuery.each( structure[ dataType ] || [], function( _, prefilterOrFactory ) {
 			var dataTypeOrTransport = prefilterOrFactory( options, originalOptions, jqXHR );
-			if( typeof dataTypeOrTransport === "string" && !seekingTransport && !inspected[ dataTypeOrTransport ] ) {
+			if ( typeof dataTypeOrTransport === "string" && !seekingTransport && !inspected[ dataTypeOrTransport ] ) {
 				options.dataTypes.unshift( dataTypeOrTransport );
 				inspect( dataTypeOrTransport );
 				return false;
@@ -6881,69 +7639,156 @@ function ajaxExtend( target, src ) {
 	return target;
 }
 
-jQuery.fn.load = function( url, params, callback ) {
-	if ( typeof url !== "string" && _load ) {
-		return _load.apply( this, arguments );
+/* Handles responses to an ajax request:
+ * - finds the right dataType (mediates between content-type and expected dataType)
+ * - returns the corresponding response
+ */
+function ajaxHandleResponses( s, jqXHR, responses ) {
+
+	var ct, type, finalDataType, firstDataType,
+		contents = s.contents,
+		dataTypes = s.dataTypes;
+
+	// Remove auto dataType and get content-type in the process
+	while ( dataTypes[ 0 ] === "*" ) {
+		dataTypes.shift();
+		if ( ct === undefined ) {
+			ct = s.mimeType || jqXHR.getResponseHeader("Content-Type");
+		}
 	}
 
-	var selector, type, response,
-		self = this,
-		off = url.indexOf(" ");
-
-	if ( off >= 0 ) {
-		selector = url.slice( off );
-		url = url.slice( 0, off );
+	// Check if we're dealing with a known content-type
+	if ( ct ) {
+		for ( type in contents ) {
+			if ( contents[ type ] && contents[ type ].test( ct ) ) {
+				dataTypes.unshift( type );
+				break;
+			}
+		}
 	}
 
-	// If it's a function
-	if ( jQuery.isFunction( params ) ) {
-
-		// We assume that it's the callback
-		callback = params;
-		params = undefined;
-
-	// Otherwise, build a param string
-	} else if ( params && typeof params === "object" ) {
-		type = "POST";
+	// Check to see if we have a response for the expected dataType
+	if ( dataTypes[ 0 ] in responses ) {
+		finalDataType = dataTypes[ 0 ];
+	} else {
+		// Try convertible dataTypes
+		for ( type in responses ) {
+			if ( !dataTypes[ 0 ] || s.converters[ type + " " + dataTypes[0] ] ) {
+				finalDataType = type;
+				break;
+			}
+			if ( !firstDataType ) {
+				firstDataType = type;
+			}
+		}
+		// Or just use first one
+		finalDataType = finalDataType || firstDataType;
 	}
 
-	// If we have elements to modify, make the request
-	if ( self.length > 0 ) {
-		jQuery.ajax({
-			url: url,
+	// If we found a dataType
+	// We add the dataType to the list if needed
+	// and return the corresponding response
+	if ( finalDataType ) {
+		if ( finalDataType !== dataTypes[ 0 ] ) {
+			dataTypes.unshift( finalDataType );
+		}
+		return responses[ finalDataType ];
+	}
+}
 
-			// if "type" variable is undefined, then "GET" method will be used
-			type: type,
-			dataType: "html",
-			data: params
-		}).done(function( responseText ) {
+/* Chain conversions given the request and the original response
+ * Also sets the responseXXX fields on the jqXHR instance
+ */
+function ajaxConvert( s, response, jqXHR, isSuccess ) {
+	var conv2, current, conv, tmp, prev,
+		converters = {},
+		// Work with a copy of dataTypes in case we need to modify it for conversion
+		dataTypes = s.dataTypes.slice();
 
-			// Save response for use in complete callback
-			response = arguments;
-
-			self.html( selector ?
-
-				// If a selector was specified, locate the right elements in a dummy div
-				// Exclude scripts to avoid IE 'Permission Denied' errors
-				jQuery("<div>").append( jQuery.parseHTML( responseText ) ).find( selector ) :
-
-				// Otherwise use the full result
-				responseText );
-
-		}).complete( callback && function( jqXHR, status ) {
-			self.each( callback, response || [ jqXHR.responseText, status, jqXHR ] );
-		});
+	// Create converters map with lowercased keys
+	if ( dataTypes[ 1 ] ) {
+		for ( conv in s.converters ) {
+			converters[ conv.toLowerCase() ] = s.converters[ conv ];
+		}
 	}
 
-	return this;
-};
+	current = dataTypes.shift();
 
-// Attach a bunch of functions for handling common AJAX events
-jQuery.each( [ "ajaxStart", "ajaxStop", "ajaxComplete", "ajaxError", "ajaxSuccess", "ajaxSend" ], function( i, type ){
-	jQuery.fn[ type ] = function( fn ){
-		return this.on( type, fn );
-	};
-});
+	// Convert to each sequential dataType
+	while ( current ) {
+
+		if ( s.responseFields[ current ] ) {
+			jqXHR[ s.responseFields[ current ] ] = response;
+		}
+
+		// Apply the dataFilter if provided
+		if ( !prev && isSuccess && s.dataFilter ) {
+			response = s.dataFilter( response, s.dataType );
+		}
+
+		prev = current;
+		current = dataTypes.shift();
+
+		if ( current ) {
+
+		// There's only work to do if current dataType is non-auto
+			if ( current === "*" ) {
+
+				current = prev;
+
+			// Convert response if prev dataType is non-auto and differs from current
+			} else if ( prev !== "*" && prev !== current ) {
+
+				// Seek a direct converter
+				conv = converters[ prev + " " + current ] || converters[ "* " + current ];
+
+				// If none found, seek a pair
+				if ( !conv ) {
+					for ( conv2 in converters ) {
+
+						// If conv2 outputs current
+						tmp = conv2.split( " " );
+						if ( tmp[ 1 ] === current ) {
+
+							// If prev can be converted to accepted input
+							conv = converters[ prev + " " + tmp[ 0 ] ] ||
+								converters[ "* " + tmp[ 0 ] ];
+							if ( conv ) {
+								// Condense equivalence converters
+								if ( conv === true ) {
+									conv = converters[ conv2 ];
+
+								// Otherwise, insert the intermediate dataType
+								} else if ( converters[ conv2 ] !== true ) {
+									current = tmp[ 0 ];
+									dataTypes.unshift( tmp[ 1 ] );
+								}
+								break;
+							}
+						}
+					}
+				}
+
+				// Apply converter (if not an equivalence)
+				if ( conv !== true ) {
+
+					// Unless errors are allowed to bubble, catch and return them
+					if ( conv && s[ "throws" ] ) {
+						response = conv( response );
+					} else {
+						try {
+							response = conv( response );
+						} catch ( e ) {
+							return { state: "parsererror", error: conv ? e : "No conversion from " + prev + " to " + current };
+						}
+					}
+				}
+			}
+		}
+	}
+
+	return { state: "success", data: response };
+}
 
 jQuery.extend({
 
@@ -7169,7 +8014,7 @@ jQuery.extend({
 		s.type = options.method || options.type || s.method || s.type;
 
 		// Extract dataTypes list
-		s.dataTypes = jQuery.trim( s.dataType || "*" ).toLowerCase().match( core_rnotwhite ) || [""];
+		s.dataTypes = jQuery.trim( s.dataType || "*" ).toLowerCase().match( rnotwhite ) || [ "" ];
 
 		// A cross-domain request is in order when we have a protocol:host:port mismatch
 		if ( s.crossDomain == null ) {
@@ -7217,7 +8062,7 @@ jQuery.extend({
 
 			// If data is available, append data to url
 			if ( s.data ) {
-				cacheURL = ( s.url += ( ajax_rquery.test( cacheURL ) ? "&" : "?" ) + s.data );
+				cacheURL = ( s.url += ( rquery.test( cacheURL ) ? "&" : "?" ) + s.data );
 				// #9682: remove data so that it's not used in an eventual retry
 				delete s.data;
 			}
@@ -7227,10 +8072,10 @@ jQuery.extend({
 				s.url = rts.test( cacheURL ) ?
 
 					// If there is already a '_' parameter, set its value
-					cacheURL.replace( rts, "$1_=" + ajax_nonce++ ) :
+					cacheURL.replace( rts, "$1_=" + nonce++ ) :
 
 					// Otherwise add one to the end
-					cacheURL + ( ajax_rquery.test( cacheURL ) ? "&" : "?" ) + "_=" + ajax_nonce++;
+					cacheURL + ( rquery.test( cacheURL ) ? "&" : "?" ) + "_=" + nonce++;
 			}
 		}
 
@@ -7454,156 +8299,342 @@ jQuery.each( [ "get", "post" ], function( i, method ) {
 	};
 });
 
-/* Handles responses to an ajax request:
- * - finds the right dataType (mediates between content-type and expected dataType)
- * - returns the corresponding response
- */
-function ajaxHandleResponses( s, jqXHR, responses ) {
+// Attach a bunch of functions for handling common AJAX events
+jQuery.each( [ "ajaxStart", "ajaxStop", "ajaxComplete", "ajaxError", "ajaxSuccess", "ajaxSend" ], function( i, type ) {
+	jQuery.fn[ type ] = function( fn ) {
+		return this.on( type, fn );
+	};
+});
 
-	var ct, type, finalDataType, firstDataType,
-		contents = s.contents,
-		dataTypes = s.dataTypes;
 
-	// Remove auto dataType and get content-type in the process
-	while( dataTypes[ 0 ] === "*" ) {
-		dataTypes.shift();
-		if ( ct === undefined ) {
-			ct = s.mimeType || jqXHR.getResponseHeader("Content-Type");
+jQuery._evalUrl = function( url ) {
+	return jQuery.ajax({
+		url: url,
+		type: "GET",
+		dataType: "script",
+		async: false,
+		global: false,
+		"throws": true
+	});
+};
+
+
+jQuery.fn.extend({
+	wrapAll: function( html ) {
+		var wrap;
+
+		if ( jQuery.isFunction( html ) ) {
+			return this.each(function( i ) {
+				jQuery( this ).wrapAll( html.call(this, i) );
+			});
 		}
-	}
 
-	// Check if we're dealing with a known content-type
-	if ( ct ) {
-		for ( type in contents ) {
-			if ( contents[ type ] && contents[ type ].test( ct ) ) {
-				dataTypes.unshift( type );
-				break;
+		if ( this[ 0 ] ) {
+
+			// The elements to wrap the target around
+			wrap = jQuery( html, this[ 0 ].ownerDocument ).eq( 0 ).clone( true );
+
+			if ( this[ 0 ].parentNode ) {
+				wrap.insertBefore( this[ 0 ] );
 			}
-		}
-	}
 
-	// Check to see if we have a response for the expected dataType
-	if ( dataTypes[ 0 ] in responses ) {
-		finalDataType = dataTypes[ 0 ];
+			wrap.map(function() {
+				var elem = this;
+
+				while ( elem.firstElementChild ) {
+					elem = elem.firstElementChild;
+				}
+
+				return elem;
+			}).append( this );
+		}
+
+		return this;
+	},
+
+	wrapInner: function( html ) {
+		if ( jQuery.isFunction( html ) ) {
+			return this.each(function( i ) {
+				jQuery( this ).wrapInner( html.call(this, i) );
+			});
+		}
+
+		return this.each(function() {
+			var self = jQuery( this ),
+				contents = self.contents();
+
+			if ( contents.length ) {
+				contents.wrapAll( html );
+
+			} else {
+				self.append( html );
+			}
+		});
+	},
+
+	wrap: function( html ) {
+		var isFunction = jQuery.isFunction( html );
+
+		return this.each(function( i ) {
+			jQuery( this ).wrapAll( isFunction ? html.call(this, i) : html );
+		});
+	},
+
+	unwrap: function() {
+		return this.parent().each(function() {
+			if ( !jQuery.nodeName( this, "body" ) ) {
+				jQuery( this ).replaceWith( this.childNodes );
+			}
+		}).end();
+	}
+});
+
+
+jQuery.expr.filters.hidden = function( elem ) {
+	// Support: Opera <= 12.12
+	// Opera reports offsetWidths and offsetHeights less than zero on some elements
+	return elem.offsetWidth <= 0 && elem.offsetHeight <= 0;
+};
+jQuery.expr.filters.visible = function( elem ) {
+	return !jQuery.expr.filters.hidden( elem );
+};
+
+
+
+
+var r20 = /%20/g,
+	rbracket = /\[\]$/,
+	rCRLF = /\r?\n/g,
+	rsubmitterTypes = /^(?:submit|button|image|reset|file)$/i,
+	rsubmittable = /^(?:input|select|textarea|keygen)/i;
+
+function buildParams( prefix, obj, traditional, add ) {
+	var name;
+
+	if ( jQuery.isArray( obj ) ) {
+		// Serialize array item.
+		jQuery.each( obj, function( i, v ) {
+			if ( traditional || rbracket.test( prefix ) ) {
+				// Treat each array item as a scalar.
+				add( prefix, v );
+
+			} else {
+				// Item is non-scalar (array or object), encode its numeric index.
+				buildParams( prefix + "[" + ( typeof v === "object" ? i : "" ) + "]", v, traditional, add );
+			}
+		});
+
+	} else if ( !traditional && jQuery.type( obj ) === "object" ) {
+		// Serialize object item.
+		for ( name in obj ) {
+			buildParams( prefix + "[" + name + "]", obj[ name ], traditional, add );
+		}
+
 	} else {
-		// Try convertible dataTypes
-		for ( type in responses ) {
-			if ( !dataTypes[ 0 ] || s.converters[ type + " " + dataTypes[0] ] ) {
-				finalDataType = type;
-				break;
-			}
-			if ( !firstDataType ) {
-				firstDataType = type;
-			}
-		}
-		// Or just use first one
-		finalDataType = finalDataType || firstDataType;
-	}
-
-	// If we found a dataType
-	// We add the dataType to the list if needed
-	// and return the corresponding response
-	if ( finalDataType ) {
-		if ( finalDataType !== dataTypes[ 0 ] ) {
-			dataTypes.unshift( finalDataType );
-		}
-		return responses[ finalDataType ];
+		// Serialize scalar item.
+		add( prefix, obj );
 	}
 }
 
-/* Chain conversions given the request and the original response
- * Also sets the responseXXX fields on the jqXHR instance
- */
-function ajaxConvert( s, response, jqXHR, isSuccess ) {
-	var conv2, current, conv, tmp, prev,
-		converters = {},
-		// Work with a copy of dataTypes in case we need to modify it for conversion
-		dataTypes = s.dataTypes.slice();
+// Serialize an array of form elements or a set of
+// key/values into a query string
+jQuery.param = function( a, traditional ) {
+	var prefix,
+		s = [],
+		add = function( key, value ) {
+			// If value is a function, invoke it and return its value
+			value = jQuery.isFunction( value ) ? value() : ( value == null ? "" : value );
+			s[ s.length ] = encodeURIComponent( key ) + "=" + encodeURIComponent( value );
+		};
 
-	// Create converters map with lowercased keys
-	if ( dataTypes[ 1 ] ) {
-		for ( conv in s.converters ) {
-			converters[ conv.toLowerCase() ] = s.converters[ conv ];
+	// Set traditional to true for jQuery <= 1.3.2 behavior.
+	if ( traditional === undefined ) {
+		traditional = jQuery.ajaxSettings && jQuery.ajaxSettings.traditional;
+	}
+
+	// If an array was passed in, assume that it is an array of form elements.
+	if ( jQuery.isArray( a ) || ( a.jquery && !jQuery.isPlainObject( a ) ) ) {
+		// Serialize the form elements
+		jQuery.each( a, function() {
+			add( this.name, this.value );
+		});
+
+	} else {
+		// If traditional, encode the "old" way (the way 1.3.2 or older
+		// did it), otherwise encode params recursively.
+		for ( prefix in a ) {
+			buildParams( prefix, a[ prefix ], traditional, add );
 		}
 	}
 
-	current = dataTypes.shift();
+	// Return the resulting serialization
+	return s.join( "&" ).replace( r20, "+" );
+};
 
-	// Convert to each sequential dataType
-	while ( current ) {
+jQuery.fn.extend({
+	serialize: function() {
+		return jQuery.param( this.serializeArray() );
+	},
+	serializeArray: function() {
+		return this.map(function() {
+			// Can add propHook for "elements" to filter or add form elements
+			var elements = jQuery.prop( this, "elements" );
+			return elements ? jQuery.makeArray( elements ) : this;
+		})
+		.filter(function() {
+			var type = this.type;
 
-		if ( s.responseFields[ current ] ) {
-			jqXHR[ s.responseFields[ current ] ] = response;
+			// Use .is( ":disabled" ) so that fieldset[disabled] works
+			return this.name && !jQuery( this ).is( ":disabled" ) &&
+				rsubmittable.test( this.nodeName ) && !rsubmitterTypes.test( type ) &&
+				( this.checked || !rcheckableType.test( type ) );
+		})
+		.map(function( i, elem ) {
+			var val = jQuery( this ).val();
+
+			return val == null ?
+				null :
+				jQuery.isArray( val ) ?
+					jQuery.map( val, function( val ) {
+						return { name: elem.name, value: val.replace( rCRLF, "\r\n" ) };
+					}) :
+					{ name: elem.name, value: val.replace( rCRLF, "\r\n" ) };
+		}).get();
+	}
+});
+
+
+jQuery.ajaxSettings.xhr = function() {
+	try {
+		return new XMLHttpRequest();
+	} catch( e ) {}
+};
+
+var xhrId = 0,
+	xhrCallbacks = {},
+	xhrSuccessStatus = {
+		// file protocol always yields status code 0, assume 200
+		0: 200,
+		// Support: IE9
+		// #1450: sometimes IE returns 1223 when it should be 204
+		1223: 204
+	},
+	xhrSupported = jQuery.ajaxSettings.xhr();
+
+// Support: IE9
+// Open requests must be manually aborted on unload (#5280)
+if ( window.ActiveXObject ) {
+	jQuery( window ).on( "unload", function() {
+		for ( var key in xhrCallbacks ) {
+			xhrCallbacks[ key ]();
 		}
+	});
+}
 
-		// Apply the dataFilter if provided
-		if ( !prev && isSuccess && s.dataFilter ) {
-			response = s.dataFilter( response, s.dataType );
-		}
+support.cors = !!xhrSupported && ( "withCredentials" in xhrSupported );
+support.ajax = xhrSupported = !!xhrSupported;
 
-		prev = current;
-		current = dataTypes.shift();
+jQuery.ajaxTransport(function( options ) {
+	var callback;
 
-		if ( current ) {
+	// Cross domain only allowed if supported through XMLHttpRequest
+	if ( support.cors || xhrSupported && !options.crossDomain ) {
+		return {
+			send: function( headers, complete ) {
+				var i,
+					xhr = options.xhr(),
+					id = ++xhrId;
 
-		// There's only work to do if current dataType is non-auto
-			if ( current === "*" ) {
+				xhr.open( options.type, options.url, options.async, options.username, options.password );
 
-				current = prev;
+				// Apply custom fields if provided
+				if ( options.xhrFields ) {
+					for ( i in options.xhrFields ) {
+						xhr[ i ] = options.xhrFields[ i ];
+					}
+				}
 
-			// Convert response if prev dataType is non-auto and differs from current
-			} else if ( prev !== "*" && prev !== current ) {
+				// Override mime type if needed
+				if ( options.mimeType && xhr.overrideMimeType ) {
+					xhr.overrideMimeType( options.mimeType );
+				}
 
-				// Seek a direct converter
-				conv = converters[ prev + " " + current ] || converters[ "* " + current ];
+				// X-Requested-With header
+				// For cross-domain requests, seeing as conditions for a preflight are
+				// akin to a jigsaw puzzle, we simply never set it to be sure.
+				// (it can always be set on a per-request basis or even using ajaxSetup)
+				// For same-domain requests, won't change header if already provided.
+				if ( !options.crossDomain && !headers["X-Requested-With"] ) {
+					headers["X-Requested-With"] = "XMLHttpRequest";
+				}
 
-				// If none found, seek a pair
-				if ( !conv ) {
-					for ( conv2 in converters ) {
+				// Set headers
+				for ( i in headers ) {
+					xhr.setRequestHeader( i, headers[ i ] );
+				}
 
-						// If conv2 outputs current
-						tmp = conv2.split( " " );
-						if ( tmp[ 1 ] === current ) {
+				// Callback
+				callback = function( type ) {
+					return function() {
+						if ( callback ) {
+							delete xhrCallbacks[ id ];
+							callback = xhr.onload = xhr.onerror = null;
 
-							// If prev can be converted to accepted input
-							conv = converters[ prev + " " + tmp[ 0 ] ] ||
-								converters[ "* " + tmp[ 0 ] ];
-							if ( conv ) {
-								// Condense equivalence converters
-								if ( conv === true ) {
-									conv = converters[ conv2 ];
-
-								// Otherwise, insert the intermediate dataType
-								} else if ( converters[ conv2 ] !== true ) {
-									current = tmp[ 0 ];
-									dataTypes.unshift( tmp[ 1 ] );
-								}
-								break;
+							if ( type === "abort" ) {
+								xhr.abort();
+							} else if ( type === "error" ) {
+								complete(
+									// file: protocol always yields status 0; see #8605, #14207
+									xhr.status,
+									xhr.statusText
+								);
+							} else {
+								complete(
+									xhrSuccessStatus[ xhr.status ] || xhr.status,
+									xhr.statusText,
+									// Support: IE9
+									// Accessing binary-data responseText throws an exception
+									// (#11426)
+									typeof xhr.responseText === "string" ? {
+										text: xhr.responseText
+									} : undefined,
+									xhr.getAllResponseHeaders()
+								);
 							}
 						}
+					};
+				};
+
+				// Listen to events
+				xhr.onload = callback();
+				xhr.onerror = callback("error");
+
+				// Create the abort callback
+				callback = xhrCallbacks[ id ] = callback("abort");
+
+				try {
+					// Do send the request (this may raise an exception)
+					xhr.send( options.hasContent && options.data || null );
+				} catch ( e ) {
+					// #14683: Only rethrow if this hasn't been notified as an error yet
+					if ( callback ) {
+						throw e;
 					}
 				}
+			},
 
-				// Apply converter (if not an equivalence)
-				if ( conv !== true ) {
-
-					// Unless errors are allowed to bubble, catch and return them
-					if ( conv && s[ "throws" ] ) {
-						response = conv( response );
-					} else {
-						try {
-							response = conv( response );
-						} catch ( e ) {
-							return { state: "parsererror", error: conv ? e : "No conversion from " + prev + " to " + current };
-						}
-					}
+			abort: function() {
+				if ( callback ) {
+					callback();
 				}
 			}
-		}
+		};
 	}
+});
+
+
+
 
-	return { state: "success", data: response };
-}
 // Install script dataType
 jQuery.ajaxSetup({
 	accepts: {
@@ -7661,6 +8692,10 @@ jQuery.ajaxTransport( "script", function( s ) {
 		};
 	}
 });
+
+
+
+
 var oldCallbacks = [],
 	rjsonp = /(=)\?(?=&|$)|\?\?/;
 
@@ -7668,7 +8703,7 @@ var oldCallbacks = [],
 jQuery.ajaxSetup({
 	jsonp: "callback",
 	jsonpCallback: function() {
-		var callback = oldCallbacks.pop() || ( jQuery.expando + "_" + ( ajax_nonce++ ) );
+		var callback = oldCallbacks.pop() || ( jQuery.expando + "_" + ( nonce++ ) );
 		this[ callback ] = true;
 		return callback;
 	}
@@ -7695,7 +8730,7 @@ jQuery.ajaxPrefilter( "json jsonp", function( s, originalSettings, jqXHR ) {
 		if ( jsonProp ) {
 			s[ jsonProp ] = s[ jsonProp ].replace( rjsonp, "$1" + callbackName );
 		} else if ( s.jsonp !== false ) {
-			s.url += ( ajax_rquery.test( s.url ) ? "&" : "?" ) + s.jsonp + "=" + callbackName;
+			s.url += ( rquery.test( s.url ) ? "&" : "?" ) + s.jsonp + "=" + callbackName;
 		}
 
 		// Use data converter to retrieve json after script execution
@@ -7741,886 +8776,126 @@ jQuery.ajaxPrefilter( "json jsonp", function( s, originalSettings, jqXHR ) {
 		return "script";
 	}
 });
-jQuery.ajaxSettings.xhr = function() {
-	try {
-		return new XMLHttpRequest();
-	} catch( e ) {}
+
+
+
+
+// data: string of html
+// context (optional): If specified, the fragment will be created in this context, defaults to document
+// keepScripts (optional): If true, will include scripts passed in the html string
+jQuery.parseHTML = function( data, context, keepScripts ) {
+	if ( !data || typeof data !== "string" ) {
+		return null;
+	}
+	if ( typeof context === "boolean" ) {
+		keepScripts = context;
+		context = false;
+	}
+	context = context || document;
+
+	var parsed = rsingleTag.exec( data ),
+		scripts = !keepScripts && [];
+
+	// Single tag
+	if ( parsed ) {
+		return [ context.createElement( parsed[1] ) ];
+	}
+
+	parsed = jQuery.buildFragment( [ data ], context, scripts );
+
+	if ( scripts && scripts.length ) {
+		jQuery( scripts ).remove();
+	}
+
+	return jQuery.merge( [], parsed.childNodes );
 };
 
-var xhrSupported = jQuery.ajaxSettings.xhr(),
-	xhrSuccessStatus = {
-		// file protocol always yields status code 0, assume 200
-		0: 200,
-		// Support: IE9
-		// #1450: sometimes IE returns 1223 when it should be 204
-		1223: 204
-	},
-	// Support: IE9
-	// We need to keep track of outbound xhr and abort them manually
-	// because IE is not smart enough to do it all by itself
-	xhrId = 0,
-	xhrCallbacks = {};
 
-if ( window.ActiveXObject ) {
-	jQuery( window ).on( "unload", function() {
-		for( var key in xhrCallbacks ) {
-			xhrCallbacks[ key ]();
-		}
-		xhrCallbacks = undefined;
-	});
-}
+// Keep a copy of the old load method
+var _load = jQuery.fn.load;
 
-jQuery.support.cors = !!xhrSupported && ( "withCredentials" in xhrSupported );
-jQuery.support.ajax = xhrSupported = !!xhrSupported;
-
-jQuery.ajaxTransport(function( options ) {
-	var callback;
-	// Cross domain only allowed if supported through XMLHttpRequest
-	if ( jQuery.support.cors || xhrSupported && !options.crossDomain ) {
-		return {
-			send: function( headers, complete ) {
-				var i, id,
-					xhr = options.xhr();
-				xhr.open( options.type, options.url, options.async, options.username, options.password );
-				// Apply custom fields if provided
-				if ( options.xhrFields ) {
-					for ( i in options.xhrFields ) {
-						xhr[ i ] = options.xhrFields[ i ];
-					}
-				}
-				// Override mime type if needed
-				if ( options.mimeType && xhr.overrideMimeType ) {
-					xhr.overrideMimeType( options.mimeType );
-				}
-				// X-Requested-With header
-				// For cross-domain requests, seeing as conditions for a preflight are
-				// akin to a jigsaw puzzle, we simply never set it to be sure.
-				// (it can always be set on a per-request basis or even using ajaxSetup)
-				// For same-domain requests, won't change header if already provided.
-				if ( !options.crossDomain && !headers["X-Requested-With"] ) {
-					headers["X-Requested-With"] = "XMLHttpRequest";
-				}
-				// Set headers
-				for ( i in headers ) {
-					xhr.setRequestHeader( i, headers[ i ] );
-				}
-				// Callback
-				callback = function( type ) {
-					return function() {
-						if ( callback ) {
-							delete xhrCallbacks[ id ];
-							callback = xhr.onload = xhr.onerror = null;
-							if ( type === "abort" ) {
-								xhr.abort();
-							} else if ( type === "error" ) {
-								complete(
-									// file protocol always yields status 0, assume 404
-									xhr.status || 404,
-									xhr.statusText
-								);
-							} else {
-								complete(
-									xhrSuccessStatus[ xhr.status ] || xhr.status,
-									xhr.statusText,
-									// Support: IE9
-									// #11426: When requesting binary data, IE9 will throw an exception
-									// on any attempt to access responseText
-									typeof xhr.responseText === "string" ? {
-										text: xhr.responseText
-									} : undefined,
-									xhr.getAllResponseHeaders()
-								);
-							}
-						}
-					};
-				};
-				// Listen to events
-				xhr.onload = callback();
-				xhr.onerror = callback("error");
-				// Create the abort callback
-				callback = xhrCallbacks[( id = xhrId++ )] = callback("abort");
-				// Do send the request
-				// This may raise an exception which is actually
-				// handled in jQuery.ajax (so no try/catch here)
-				xhr.send( options.hasContent && options.data || null );
-			},
-			abort: function() {
-				if ( callback ) {
-					callback();
-				}
-			}
-		};
-	}
-});
-var fxNow, timerId,
-	rfxtypes = /^(?:toggle|show|hide)$/,
-	rfxnum = new RegExp( "^(?:([+-])=|)(" + core_pnum + ")([a-z%]*)$", "i" ),
-	rrun = /queueHooks$/,
-	animationPrefilters = [ defaultPrefilter ],
-	tweeners = {
-		"*": [function( prop, value ) {
-			var tween = this.createTween( prop, value ),
-				target = tween.cur(),
-				parts = rfxnum.exec( value ),
-				unit = parts && parts[ 3 ] || ( jQuery.cssNumber[ prop ] ? "" : "px" ),
-
-				// Starting value computation is required for potential unit mismatches
-				start = ( jQuery.cssNumber[ prop ] || unit !== "px" && +target ) &&
-					rfxnum.exec( jQuery.css( tween.elem, prop ) ),
-				scale = 1,
-				maxIterations = 20;
-
-			if ( start && start[ 3 ] !== unit ) {
-				// Trust units reported by jQuery.css
-				unit = unit || start[ 3 ];
-
-				// Make sure we update the tween properties later on
-				parts = parts || [];
-
-				// Iteratively approximate from a nonzero starting point
-				start = +target || 1;
-
-				do {
-					// If previous iteration zeroed out, double until we get *something*
-					// Use a string for doubling factor so we don't accidentally see scale as unchanged below
-					scale = scale || ".5";
-
-					// Adjust and apply
-					start = start / scale;
-					jQuery.style( tween.elem, prop, start + unit );
-
-				// Update scale, tolerating zero or NaN from tween.cur()
-				// And breaking the loop if scale is unchanged or perfect, or if we've just had enough
-				} while ( scale !== (scale = tween.cur() / target) && scale !== 1 && --maxIterations );
-			}
-
-			// Update tween properties
-			if ( parts ) {
-				start = tween.start = +start || +target || 0;
-				tween.unit = unit;
-				// If a +=/-= token was provided, we're doing a relative animation
-				tween.end = parts[ 1 ] ?
-					start + ( parts[ 1 ] + 1 ) * parts[ 2 ] :
-					+parts[ 2 ];
-			}
-
-			return tween;
-		}]
-	};
-
-// Animations created synchronously will run synchronously
-function createFxNow() {
-	setTimeout(function() {
-		fxNow = undefined;
-	});
-	return ( fxNow = jQuery.now() );
-}
-
-function createTween( value, prop, animation ) {
-	var tween,
-		collection = ( tweeners[ prop ] || [] ).concat( tweeners[ "*" ] ),
-		index = 0,
-		length = collection.length;
-	for ( ; index < length; index++ ) {
-		if ( (tween = collection[ index ].call( animation, prop, value )) ) {
-
-			// we're done with this property
-			return tween;
-		}
-	}
-}
-
-function Animation( elem, properties, options ) {
-	var result,
-		stopped,
-		index = 0,
-		length = animationPrefilters.length,
-		deferred = jQuery.Deferred().always( function() {
-			// don't match elem in the :animated selector
-			delete tick.elem;
-		}),
-		tick = function() {
-			if ( stopped ) {
-				return false;
-			}
-			var currentTime = fxNow || createFxNow(),
-				remaining = Math.max( 0, animation.startTime + animation.duration - currentTime ),
-				// archaic crash bug won't allow us to use 1 - ( 0.5 || 0 ) (#12497)
-				temp = remaining / animation.duration || 0,
-				percent = 1 - temp,
-				index = 0,
-				length = animation.tweens.length;
-
-			for ( ; index < length ; index++ ) {
-				animation.tweens[ index ].run( percent );
-			}
-
-			deferred.notifyWith( elem, [ animation, percent, remaining ]);
-
-			if ( percent < 1 && length ) {
-				return remaining;
-			} else {
-				deferred.resolveWith( elem, [ animation ] );
-				return false;
-			}
-		},
-		animation = deferred.promise({
-			elem: elem,
-			props: jQuery.extend( {}, properties ),
-			opts: jQuery.extend( true, { specialEasing: {} }, options ),
-			originalProperties: properties,
-			originalOptions: options,
-			startTime: fxNow || createFxNow(),
-			duration: options.duration,
-			tweens: [],
-			createTween: function( prop, end ) {
-				var tween = jQuery.Tween( elem, animation.opts, prop, end,
-						animation.opts.specialEasing[ prop ] || animation.opts.easing );
-				animation.tweens.push( tween );
-				return tween;
-			},
-			stop: function( gotoEnd ) {
-				var index = 0,
-					// if we are going to the end, we want to run all the tweens
-					// otherwise we skip this part
-					length = gotoEnd ? animation.tweens.length : 0;
-				if ( stopped ) {
-					return this;
-				}
-				stopped = true;
-				for ( ; index < length ; index++ ) {
-					animation.tweens[ index ].run( 1 );
-				}
-
-				// resolve when we played the last frame
-				// otherwise, reject
-				if ( gotoEnd ) {
-					deferred.resolveWith( elem, [ animation, gotoEnd ] );
-				} else {
-					deferred.rejectWith( elem, [ animation, gotoEnd ] );
-				}
-				return this;
-			}
-		}),
-		props = animation.props;
-
-	propFilter( props, animation.opts.specialEasing );
-
-	for ( ; index < length ; index++ ) {
-		result = animationPrefilters[ index ].call( animation, elem, props, animation.opts );
-		if ( result ) {
-			return result;
-		}
+/**
+ * Load a url into a page
+ */
+jQuery.fn.load = function( url, params, callback ) {
+	if ( typeof url !== "string" && _load ) {
+		return _load.apply( this, arguments );
 	}
 
-	jQuery.map( props, createTween, animation );
+	var selector, type, response,
+		self = this,
+		off = url.indexOf(" ");
 
-	if ( jQuery.isFunction( animation.opts.start ) ) {
-		animation.opts.start.call( elem, animation );
+	if ( off >= 0 ) {
+		selector = jQuery.trim( url.slice( off ) );
+		url = url.slice( 0, off );
 	}
 
-	jQuery.fx.timer(
-		jQuery.extend( tick, {
-			elem: elem,
-			anim: animation,
-			queue: animation.opts.queue
-		})
-	);
+	// If it's a function
+	if ( jQuery.isFunction( params ) ) {
 
-	// attach callbacks from options
-	return animation.progress( animation.opts.progress )
-		.done( animation.opts.done, animation.opts.complete )
-		.fail( animation.opts.fail )
-		.always( animation.opts.always );
-}
+		// We assume that it's the callback
+		callback = params;
+		params = undefined;
 
-function propFilter( props, specialEasing ) {
-	var index, name, easing, value, hooks;
-
-	// camelCase, specialEasing and expand cssHook pass
-	for ( index in props ) {
-		name = jQuery.camelCase( index );
-		easing = specialEasing[ name ];
-		value = props[ index ];
-		if ( jQuery.isArray( value ) ) {
-			easing = value[ 1 ];
-			value = props[ index ] = value[ 0 ];
-		}
-
-		if ( index !== name ) {
-			props[ name ] = value;
-			delete props[ index ];
-		}
-
-		hooks = jQuery.cssHooks[ name ];
-		if ( hooks && "expand" in hooks ) {
-			value = hooks.expand( value );
-			delete props[ name ];
-
-			// not quite $.extend, this wont overwrite keys already present.
-			// also - reusing 'index' from above because we have the correct "name"
-			for ( index in value ) {
-				if ( !( index in props ) ) {
-					props[ index ] = value[ index ];
-					specialEasing[ index ] = easing;
-				}
-			}
-		} else {
-			specialEasing[ name ] = easing;
-		}
+	// Otherwise, build a param string
+	} else if ( params && typeof params === "object" ) {
+		type = "POST";
 	}
-}
 
-jQuery.Animation = jQuery.extend( Animation, {
+	// If we have elements to modify, make the request
+	if ( self.length > 0 ) {
+		jQuery.ajax({
+			url: url,
 
-	tweener: function( props, callback ) {
-		if ( jQuery.isFunction( props ) ) {
-			callback = props;
-			props = [ "*" ];
-		} else {
-			props = props.split(" ");
-		}
+			// if "type" variable is undefined, then "GET" method will be used
+			type: type,
+			dataType: "html",
+			data: params
+		}).done(function( responseText ) {
 
-		var prop,
-			index = 0,
-			length = props.length;
+			// Save response for use in complete callback
+			response = arguments;
 
-		for ( ; index < length ; index++ ) {
-			prop = props[ index ];
-			tweeners[ prop ] = tweeners[ prop ] || [];
-			tweeners[ prop ].unshift( callback );
-		}
-	},
+			self.html( selector ?
 
-	prefilter: function( callback, prepend ) {
-		if ( prepend ) {
-			animationPrefilters.unshift( callback );
-		} else {
-			animationPrefilters.push( callback );
-		}
-	}
-});
+				// If a selector was specified, locate the right elements in a dummy div
+				// Exclude scripts to avoid IE 'Permission Denied' errors
+				jQuery("<div>").append( jQuery.parseHTML( responseText ) ).find( selector ) :
 
-function defaultPrefilter( elem, props, opts ) {
-	/* jshint validthis: true */
-	var prop, value, toggle, tween, hooks, oldfire,
-		anim = this,
-		orig = {},
-		style = elem.style,
-		hidden = elem.nodeType && isHidden( elem ),
-		dataShow = data_priv.get( elem, "fxshow" );
+				// Otherwise use the full result
+				responseText );
 
-	// handle queue: false promises
-	if ( !opts.queue ) {
-		hooks = jQuery._queueHooks( elem, "fx" );
-		if ( hooks.unqueued == null ) {
-			hooks.unqueued = 0;
-			oldfire = hooks.empty.fire;
-			hooks.empty.fire = function() {
-				if ( !hooks.unqueued ) {
-					oldfire();
-				}
-			};
-		}
-		hooks.unqueued++;
-
-		anim.always(function() {
-			// doing this makes sure that the complete handler will be called
-			// before this completes
-			anim.always(function() {
-				hooks.unqueued--;
-				if ( !jQuery.queue( elem, "fx" ).length ) {
-					hooks.empty.fire();
-				}
-			});
+		}).complete( callback && function( jqXHR, status ) {
+			self.each( callback, response || [ jqXHR.responseText, status, jqXHR ] );
 		});
 	}
 
-	// height/width overflow pass
-	if ( elem.nodeType === 1 && ( "height" in props || "width" in props ) ) {
-		// Make sure that nothing sneaks out
-		// Record all 3 overflow attributes because IE9-10 do not
-		// change the overflow attribute when overflowX and
-		// overflowY are set to the same value
-		opts.overflow = [ style.overflow, style.overflowX, style.overflowY ];
-
-		// Set display property to inline-block for height/width
-		// animations on inline elements that are having width/height animated
-		if ( jQuery.css( elem, "display" ) === "inline" &&
-				jQuery.css( elem, "float" ) === "none" ) {
-
-			style.display = "inline-block";
-		}
-	}
-
-	if ( opts.overflow ) {
-		style.overflow = "hidden";
-		anim.always(function() {
-			style.overflow = opts.overflow[ 0 ];
-			style.overflowX = opts.overflow[ 1 ];
-			style.overflowY = opts.overflow[ 2 ];
-		});
-	}
+	return this;
+};
 
 
-	// show/hide pass
-	for ( prop in props ) {
-		value = props[ prop ];
-		if ( rfxtypes.exec( value ) ) {
-			delete props[ prop ];
-			toggle = toggle || value === "toggle";
-			if ( value === ( hidden ? "hide" : "show" ) ) {
 
-				// If there is dataShow left over from a stopped hide or show and we are going to proceed with show, we should pretend to be hidden
-				if ( value === "show" && dataShow && dataShow[ prop ] !== undefined ) {
-					hidden = true;
-				} else {
-					continue;
-				}
-			}
-			orig[ prop ] = dataShow && dataShow[ prop ] || jQuery.style( elem, prop );
-		}
-	}
 
-	if ( !jQuery.isEmptyObject( orig ) ) {
-		if ( dataShow ) {
-			if ( "hidden" in dataShow ) {
-				hidden = dataShow.hidden;
-			}
-		} else {
-			dataShow = data_priv.access( elem, "fxshow", {} );
-		}
+jQuery.expr.filters.animated = function( elem ) {
+	return jQuery.grep(jQuery.timers, function( fn ) {
+		return elem === fn.elem;
+	}).length;
+};
 
-		// store state if its toggle - enables .stop().toggle() to "reverse"
-		if ( toggle ) {
-			dataShow.hidden = !hidden;
-		}
-		if ( hidden ) {
-			jQuery( elem ).show();
-		} else {
-			anim.done(function() {
-				jQuery( elem ).hide();
-			});
-		}
-		anim.done(function() {
-			var prop;
 
-			data_priv.remove( elem, "fxshow" );
-			for ( prop in orig ) {
-				jQuery.style( elem, prop, orig[ prop ] );
-			}
-		});
-		for ( prop in orig ) {
-			tween = createTween( hidden ? dataShow[ prop ] : 0, prop, anim );
 
-			if ( !( prop in dataShow ) ) {
-				dataShow[ prop ] = tween.start;
-				if ( hidden ) {
-					tween.end = tween.start;
-					tween.start = prop === "width" || prop === "height" ? 1 : 0;
-				}
-			}
-		}
-	}
+
+var docElem = window.document.documentElement;
+
+/**
+ * Gets a window from an element
+ */
+function getWindow( elem ) {
+	return jQuery.isWindow( elem ) ? elem : elem.nodeType === 9 && elem.defaultView;
 }
 
-function Tween( elem, options, prop, end, easing ) {
-	return new Tween.prototype.init( elem, options, prop, end, easing );
-}
-jQuery.Tween = Tween;
-
-Tween.prototype = {
-	constructor: Tween,
-	init: function( elem, options, prop, end, easing, unit ) {
-		this.elem = elem;
-		this.prop = prop;
-		this.easing = easing || "swing";
-		this.options = options;
-		this.start = this.now = this.cur();
-		this.end = end;
-		this.unit = unit || ( jQuery.cssNumber[ prop ] ? "" : "px" );
-	},
-	cur: function() {
-		var hooks = Tween.propHooks[ this.prop ];
-
-		return hooks && hooks.get ?
-			hooks.get( this ) :
-			Tween.propHooks._default.get( this );
-	},
-	run: function( percent ) {
-		var eased,
-			hooks = Tween.propHooks[ this.prop ];
-
-		if ( this.options.duration ) {
-			this.pos = eased = jQuery.easing[ this.easing ](
-				percent, this.options.duration * percent, 0, 1, this.options.duration
-			);
-		} else {
-			this.pos = eased = percent;
-		}
-		this.now = ( this.end - this.start ) * eased + this.start;
-
-		if ( this.options.step ) {
-			this.options.step.call( this.elem, this.now, this );
-		}
-
-		if ( hooks && hooks.set ) {
-			hooks.set( this );
-		} else {
-			Tween.propHooks._default.set( this );
-		}
-		return this;
-	}
-};
-
-Tween.prototype.init.prototype = Tween.prototype;
-
-Tween.propHooks = {
-	_default: {
-		get: function( tween ) {
-			var result;
-
-			if ( tween.elem[ tween.prop ] != null &&
-				(!tween.elem.style || tween.elem.style[ tween.prop ] == null) ) {
-				return tween.elem[ tween.prop ];
-			}
-
-			// passing an empty string as a 3rd parameter to .css will automatically
-			// attempt a parseFloat and fallback to a string if the parse fails
-			// so, simple values such as "10px" are parsed to Float.
-			// complex values such as "rotate(1rad)" are returned as is.
-			result = jQuery.css( tween.elem, tween.prop, "" );
-			// Empty strings, null, undefined and "auto" are converted to 0.
-			return !result || result === "auto" ? 0 : result;
-		},
-		set: function( tween ) {
-			// use step hook for back compat - use cssHook if its there - use .style if its
-			// available and use plain properties where available
-			if ( jQuery.fx.step[ tween.prop ] ) {
-				jQuery.fx.step[ tween.prop ]( tween );
-			} else if ( tween.elem.style && ( tween.elem.style[ jQuery.cssProps[ tween.prop ] ] != null || jQuery.cssHooks[ tween.prop ] ) ) {
-				jQuery.style( tween.elem, tween.prop, tween.now + tween.unit );
-			} else {
-				tween.elem[ tween.prop ] = tween.now;
-			}
-		}
-	}
-};
-
-// Support: IE9
-// Panic based approach to setting things on disconnected nodes
-
-Tween.propHooks.scrollTop = Tween.propHooks.scrollLeft = {
-	set: function( tween ) {
-		if ( tween.elem.nodeType && tween.elem.parentNode ) {
-			tween.elem[ tween.prop ] = tween.now;
-		}
-	}
-};
-
-jQuery.each([ "toggle", "show", "hide" ], function( i, name ) {
-	var cssFn = jQuery.fn[ name ];
-	jQuery.fn[ name ] = function( speed, easing, callback ) {
-		return speed == null || typeof speed === "boolean" ?
-			cssFn.apply( this, arguments ) :
-			this.animate( genFx( name, true ), speed, easing, callback );
-	};
-});
-
-jQuery.fn.extend({
-	fadeTo: function( speed, to, easing, callback ) {
-
-		// show any hidden elements after setting opacity to 0
-		return this.filter( isHidden ).css( "opacity", 0 ).show()
-
-			// animate to the value specified
-			.end().animate({ opacity: to }, speed, easing, callback );
-	},
-	animate: function( prop, speed, easing, callback ) {
-		var empty = jQuery.isEmptyObject( prop ),
-			optall = jQuery.speed( speed, easing, callback ),
-			doAnimation = function() {
-				// Operate on a copy of prop so per-property easing won't be lost
-				var anim = Animation( this, jQuery.extend( {}, prop ), optall );
-
-				// Empty animations, or finishing resolves immediately
-				if ( empty || data_priv.get( this, "finish" ) ) {
-					anim.stop( true );
-				}
-			};
-			doAnimation.finish = doAnimation;
-
-		return empty || optall.queue === false ?
-			this.each( doAnimation ) :
-			this.queue( optall.queue, doAnimation );
-	},
-	stop: function( type, clearQueue, gotoEnd ) {
-		var stopQueue = function( hooks ) {
-			var stop = hooks.stop;
-			delete hooks.stop;
-			stop( gotoEnd );
-		};
-
-		if ( typeof type !== "string" ) {
-			gotoEnd = clearQueue;
-			clearQueue = type;
-			type = undefined;
-		}
-		if ( clearQueue && type !== false ) {
-			this.queue( type || "fx", [] );
-		}
-
-		return this.each(function() {
-			var dequeue = true,
-				index = type != null && type + "queueHooks",
-				timers = jQuery.timers,
-				data = data_priv.get( this );
-
-			if ( index ) {
-				if ( data[ index ] && data[ index ].stop ) {
-					stopQueue( data[ index ] );
-				}
-			} else {
-				for ( index in data ) {
-					if ( data[ index ] && data[ index ].stop && rrun.test( index ) ) {
-						stopQueue( data[ index ] );
-					}
-				}
-			}
-
-			for ( index = timers.length; index--; ) {
-				if ( timers[ index ].elem === this && (type == null || timers[ index ].queue === type) ) {
-					timers[ index ].anim.stop( gotoEnd );
-					dequeue = false;
-					timers.splice( index, 1 );
-				}
-			}
-
-			// start the next in the queue if the last step wasn't forced
-			// timers currently will call their complete callbacks, which will dequeue
-			// but only if they were gotoEnd
-			if ( dequeue || !gotoEnd ) {
-				jQuery.dequeue( this, type );
-			}
-		});
-	},
-	finish: function( type ) {
-		if ( type !== false ) {
-			type = type || "fx";
-		}
-		return this.each(function() {
-			var index,
-				data = data_priv.get( this ),
-				queue = data[ type + "queue" ],
-				hooks = data[ type + "queueHooks" ],
-				timers = jQuery.timers,
-				length = queue ? queue.length : 0;
-
-			// enable finishing flag on private data
-			data.finish = true;
-
-			// empty the queue first
-			jQuery.queue( this, type, [] );
-
-			if ( hooks && hooks.stop ) {
-				hooks.stop.call( this, true );
-			}
-
-			// look for any active animations, and finish them
-			for ( index = timers.length; index--; ) {
-				if ( timers[ index ].elem === this && timers[ index ].queue === type ) {
-					timers[ index ].anim.stop( true );
-					timers.splice( index, 1 );
-				}
-			}
-
-			// look for any animations in the old queue and finish them
-			for ( index = 0; index < length; index++ ) {
-				if ( queue[ index ] && queue[ index ].finish ) {
-					queue[ index ].finish.call( this );
-				}
-			}
-
-			// turn off finishing flag
-			delete data.finish;
-		});
-	}
-});
-
-// Generate parameters to create a standard animation
-function genFx( type, includeWidth ) {
-	var which,
-		attrs = { height: type },
-		i = 0;
-
-	// if we include width, step value is 1 to do all cssExpand values,
-	// if we don't include width, step value is 2 to skip over Left and Right
-	includeWidth = includeWidth? 1 : 0;
-	for( ; i < 4 ; i += 2 - includeWidth ) {
-		which = cssExpand[ i ];
-		attrs[ "margin" + which ] = attrs[ "padding" + which ] = type;
-	}
-
-	if ( includeWidth ) {
-		attrs.opacity = attrs.width = type;
-	}
-
-	return attrs;
-}
-
-// Generate shortcuts for custom animations
-jQuery.each({
-	slideDown: genFx("show"),
-	slideUp: genFx("hide"),
-	slideToggle: genFx("toggle"),
-	fadeIn: { opacity: "show" },
-	fadeOut: { opacity: "hide" },
-	fadeToggle: { opacity: "toggle" }
-}, function( name, props ) {
-	jQuery.fn[ name ] = function( speed, easing, callback ) {
-		return this.animate( props, speed, easing, callback );
-	};
-});
-
-jQuery.speed = function( speed, easing, fn ) {
-	var opt = speed && typeof speed === "object" ? jQuery.extend( {}, speed ) : {
-		complete: fn || !fn && easing ||
-			jQuery.isFunction( speed ) && speed,
-		duration: speed,
-		easing: fn && easing || easing && !jQuery.isFunction( easing ) && easing
-	};
-
-	opt.duration = jQuery.fx.off ? 0 : typeof opt.duration === "number" ? opt.duration :
-		opt.duration in jQuery.fx.speeds ? jQuery.fx.speeds[ opt.duration ] : jQuery.fx.speeds._default;
-
-	// normalize opt.queue - true/undefined/null -> "fx"
-	if ( opt.queue == null || opt.queue === true ) {
-		opt.queue = "fx";
-	}
-
-	// Queueing
-	opt.old = opt.complete;
-
-	opt.complete = function() {
-		if ( jQuery.isFunction( opt.old ) ) {
-			opt.old.call( this );
-		}
-
-		if ( opt.queue ) {
-			jQuery.dequeue( this, opt.queue );
-		}
-	};
-
-	return opt;
-};
-
-jQuery.easing = {
-	linear: function( p ) {
-		return p;
-	},
-	swing: function( p ) {
-		return 0.5 - Math.cos( p*Math.PI ) / 2;
-	}
-};
-
-jQuery.timers = [];
-jQuery.fx = Tween.prototype.init;
-jQuery.fx.tick = function() {
-	var timer,
-		timers = jQuery.timers,
-		i = 0;
-
-	fxNow = jQuery.now();
-
-	for ( ; i < timers.length; i++ ) {
-		timer = timers[ i ];
-		// Checks the timer has not already been removed
-		if ( !timer() && timers[ i ] === timer ) {
-			timers.splice( i--, 1 );
-		}
-	}
-
-	if ( !timers.length ) {
-		jQuery.fx.stop();
-	}
-	fxNow = undefined;
-};
-
-jQuery.fx.timer = function( timer ) {
-	if ( timer() && jQuery.timers.push( timer ) ) {
-		jQuery.fx.start();
-	}
-};
-
-jQuery.fx.interval = 13;
-
-jQuery.fx.start = function() {
-	if ( !timerId ) {
-		timerId = setInterval( jQuery.fx.tick, jQuery.fx.interval );
-	}
-};
-
-jQuery.fx.stop = function() {
-	clearInterval( timerId );
-	timerId = null;
-};
-
-jQuery.fx.speeds = {
-	slow: 600,
-	fast: 200,
-	// Default speed
-	_default: 400
-};
-
-// Back Compat <1.8 extension point
-jQuery.fx.step = {};
-
-if ( jQuery.expr && jQuery.expr.filters ) {
-	jQuery.expr.filters.animated = function( elem ) {
-		return jQuery.grep(jQuery.timers, function( fn ) {
-			return elem === fn.elem;
-		}).length;
-	};
-}
-jQuery.fn.offset = function( options ) {
-	if ( arguments.length ) {
-		return options === undefined ?
-			this :
-			this.each(function( i ) {
-				jQuery.offset.setOffset( this, options, i );
-			});
-	}
-
-	var docElem, win,
-		elem = this[ 0 ],
-		box = { top: 0, left: 0 },
-		doc = elem && elem.ownerDocument;
-
-	if ( !doc ) {
-		return;
-	}
-
-	docElem = doc.documentElement;
-
-	// Make sure it's not a disconnected DOM node
-	if ( !jQuery.contains( docElem, elem ) ) {
-		return box;
-	}
-
-	// If we don't have gBCR, just use 0,0 rather than error
-	// BlackBerry 5, iOS 3 (original iPhone)
-	if ( typeof elem.getBoundingClientRect !== core_strundefined ) {
-		box = elem.getBoundingClientRect();
-	}
-	win = getWindow( doc );
-	return {
-		top: box.top + win.pageYOffset - docElem.clientTop,
-		left: box.left + win.pageXOffset - docElem.clientLeft
-	};
-};
-
 jQuery.offset = {
-
 	setOffset: function( elem, options, i ) {
 		var curPosition, curLeft, curCSSTop, curTop, curOffset, curCSSLeft, calculatePosition,
 			position = jQuery.css( elem, "position" ),
@@ -8635,7 +8910,8 @@ jQuery.offset = {
 		curOffset = curElem.offset();
 		curCSSTop = jQuery.css( elem, "top" );
 		curCSSLeft = jQuery.css( elem, "left" );
-		calculatePosition = ( position === "absolute" || position === "fixed" ) && ( curCSSTop + curCSSLeft ).indexOf("auto") > -1;
+		calculatePosition = ( position === "absolute" || position === "fixed" ) &&
+			( curCSSTop + curCSSLeft ).indexOf("auto") > -1;
 
 		// Need to be able to calculate position if either top or left is auto and position is either absolute or fixed
 		if ( calculatePosition ) {
@@ -8668,8 +8944,43 @@ jQuery.offset = {
 	}
 };
 
-
 jQuery.fn.extend({
+	offset: function( options ) {
+		if ( arguments.length ) {
+			return options === undefined ?
+				this :
+				this.each(function( i ) {
+					jQuery.offset.setOffset( this, options, i );
+				});
+		}
+
+		var docElem, win,
+			elem = this[ 0 ],
+			box = { top: 0, left: 0 },
+			doc = elem && elem.ownerDocument;
+
+		if ( !doc ) {
+			return;
+		}
+
+		docElem = doc.documentElement;
+
+		// Make sure it's not a disconnected DOM node
+		if ( !jQuery.contains( docElem, elem ) ) {
+			return box;
+		}
+
+		// If we don't have gBCR, just use 0,0 rather than error
+		// BlackBerry 5, iOS 3 (original iPhone)
+		if ( typeof elem.getBoundingClientRect !== strundefined ) {
+			box = elem.getBoundingClientRect();
+		}
+		win = getWindow( doc );
+		return {
+			top: box.top + win.pageYOffset - docElem.clientTop,
+			left: box.left + win.pageXOffset - docElem.clientLeft
+		};
+	},
 
 	position: function() {
 		if ( !this[ 0 ] ) {
@@ -8680,7 +8991,7 @@ jQuery.fn.extend({
 			elem = this[ 0 ],
 			parentOffset = { top: 0, left: 0 };
 
-		// Fixed elements are offset from window (parentOffset = {top:0, left: 0}, because it is it's only offset parent
+		// Fixed elements are offset from window (parentOffset = {top:0, left: 0}, because it is its only offset parent
 		if ( jQuery.css( elem, "position" ) === "fixed" ) {
 			// We assume that getBoundingClientRect is available when computed position is fixed
 			offset = elem.getBoundingClientRect();
@@ -8711,7 +9022,7 @@ jQuery.fn.extend({
 		return this.map(function() {
 			var offsetParent = this.offsetParent || docElem;
 
-			while ( offsetParent && ( !jQuery.nodeName( offsetParent, "html" ) && jQuery.css( offsetParent, "position") === "static" ) ) {
+			while ( offsetParent && ( !jQuery.nodeName( offsetParent, "html" ) && jQuery.css( offsetParent, "position" ) === "static" ) ) {
 				offsetParent = offsetParent.offsetParent;
 			}
 
@@ -8720,13 +9031,12 @@ jQuery.fn.extend({
 	}
 });
 
-
 // Create scrollLeft and scrollTop methods
-jQuery.each( {scrollLeft: "pageXOffset", scrollTop: "pageYOffset"}, function( method, prop ) {
+jQuery.each( { scrollLeft: "pageXOffset", scrollTop: "pageYOffset" }, function( method, prop ) {
 	var top = "pageYOffset" === prop;
 
 	jQuery.fn[ method ] = function( val ) {
-		return jQuery.access( this, function( elem, method, val ) {
+		return access( this, function( elem, method, val ) {
 			var win = getWindow( elem );
 
 			if ( val === undefined ) {
@@ -8746,9 +9056,25 @@ jQuery.each( {scrollLeft: "pageXOffset", scrollTop: "pageYOffset"}, function( me
 	};
 });
 
-function getWindow( elem ) {
-	return jQuery.isWindow( elem ) ? elem : elem.nodeType === 9 && elem.defaultView;
-}
+// Add the top/left cssHooks using jQuery.fn.position
+// Webkit bug: https://bugs.webkit.org/show_bug.cgi?id=29084
+// getComputedStyle returns percent when specified for top/left/bottom/right
+// rather than make the css module depend on the offset module, we just check for it here
+jQuery.each( [ "top", "left" ], function( i, prop ) {
+	jQuery.cssHooks[ prop ] = addGetHookIf( support.pixelPosition,
+		function( elem, computed ) {
+			if ( computed ) {
+				computed = curCSS( elem, prop );
+				// if curCSS returns percentage, fallback to offset
+				return rnumnonpx.test( computed ) ?
+					jQuery( elem ).position()[ prop ] + "px" :
+					computed;
+			}
+		}
+	);
+});
+
+
 // Create innerHeight, innerWidth, height, width, outerHeight and outerWidth methods
 jQuery.each( { Height: "height", Width: "width" }, function( name, type ) {
 	jQuery.each( { padding: "inner" + name, content: type, "": "outer" + name }, function( defaultExtra, funcName ) {
@@ -8757,7 +9083,7 @@ jQuery.each( { Height: "height", Width: "width" }, function( name, type ) {
 			var chainable = arguments.length && ( defaultExtra || typeof margin !== "boolean" ),
 				extra = defaultExtra || ( margin === true || value === true ? "margin" : "border" );
 
-			return jQuery.access( this, function( elem, type, value ) {
+			return access( this, function( elem, type, value ) {
 				var doc;
 
 				if ( jQuery.isWindow( elem ) ) {
@@ -8790,8 +9116,7 @@ jQuery.each( { Height: "height", Width: "width" }, function( name, type ) {
 		};
 	});
 });
-// Limit scope pollution from any deprecated API
-// (function() {
+
 
 // The number of elements contained in the matched element set
 jQuery.fn.size = function() {
@@ -8800,30 +9125,60 @@ jQuery.fn.size = function() {
 
 jQuery.fn.andSelf = jQuery.fn.addBack;
 
-// })();
-if ( typeof module === "object" && module && typeof module.exports === "object" ) {
-	// Expose jQuery as module.exports in loaders that implement the Node
-	// module pattern (including browserify). Do not create the global, since
-	// the user will be storing it themselves locally, and globals are frowned
-	// upon in the Node module world.
-	module.exports = jQuery;
-} else {
-	// Register as a named AMD module, since jQuery can be concatenated with other
-	// files that may use define, but not via a proper concatenation script that
-	// understands anonymous AMD modules. A named AMD is safest and most robust
-	// way to register. Lowercase jquery is used because AMD module names are
-	// derived from file names, and jQuery is normally delivered in a lowercase
-	// file name. Do this after creating the global so that if an AMD module wants
-	// to call noConflict to hide this version of jQuery, it will work.
-	if ( typeof define === "function" && define.amd ) {
-		define( "jquery", [], function () { return jQuery; } );
-	}
+
+
+
+// Register as a named AMD module, since jQuery can be concatenated with other
+// files that may use define, but not via a proper concatenation script that
+// understands anonymous AMD modules. A named AMD is safest and most robust
+// way to register. Lowercase jquery is used because AMD module names are
+// derived from file names, and jQuery is normally delivered in a lowercase
+// file name. Do this after creating the global so that if an AMD module wants
+// to call noConflict to hide this version of jQuery, it will work.
+
+// Note that for maximum portability, libraries that are not jQuery should
+// declare themselves as anonymous modules, and avoid setting a global if an
+// AMD loader is present. jQuery is a special case. For more information, see
+// https://github.com/jrburke/requirejs/wiki/Updating-existing-libraries#wiki-anon
+
+if ( typeof define === "function" && define.amd ) {
+	define( "jquery", [], function() {
+		return jQuery;
+	});
 }
 
-// If there is a window object, that at least has a document property,
-// define jQuery and $ identifiers
-if ( typeof window === "object" && typeof window.document === "object" ) {
+
+
+
+var
+	// Map over jQuery in case of overwrite
+	_jQuery = window.jQuery,
+
+	// Map over the $ in case of overwrite
+	_$ = window.$;
+
+jQuery.noConflict = function( deep ) {
+	if ( window.$ === jQuery ) {
+		window.$ = _$;
+	}
+
+	if ( deep && window.jQuery === jQuery ) {
+		window.jQuery = _jQuery;
+	}
+
+	return jQuery;
+};
+
+// Expose jQuery and $ identifiers, even in
+// AMD (#7102#comment:10, https://github.com/jquery/jquery/pull/557)
+// and CommonJS for browser emulators (#13566)
+if ( typeof noGlobal === strundefined ) {
 	window.jQuery = window.$ = jQuery;
 }
 
-})( window );
+
+
+
+return jQuery;
+
+}));
diff --git a/admin/js/pagedown-extra.js b/admin/js/pagedown-extra.js
deleted file mode 100644
index eae7eb19..00000000
--- a/admin/js/pagedown-extra.js
+++ /dev/null
@@ -1,789 +0,0 @@
-(function () {
-  // A quick way to make sure we're only keeping span-level tags when we need to.
-  // This isn't supposed to be foolproof. It's just a quick way to make sure we
-  // keep all span-level tags returned by a pagedown converter. It should allow
-  // all span-level tags through, with or without attributes.
-  var inlineTags = new RegExp(['^(<\\/?(a|abbr|acronym|applet|area|b|basefont|',
-                               'bdo|big|button|cite|code|del|dfn|em|figcaption|',
-                               'font|i|iframe|img|input|ins|kbd|label|map|',
-                               'mark|meter|object|param|progress|q|ruby|rp|rt|s|',
-                               'samp|script|select|small|span|strike|strong|',
-                               'sub|sup|textarea|time|tt|u|var|wbr)[^>]*>|',
-                               '<(br)\\s?\\/?>)$'].join(''), 'i');
-
-  /******************************************************************
-   * Utility Functions                                              *
-   *****************************************************************/
-
-  // patch for ie7
-  if (!Array.indexOf) {
-    Array.prototype.indexOf = function(obj) {
-      for (var i = 0; i < this.length; i++) {
-        if (this[i] == obj) {
-          return i;
-        }
-      }
-      return -1;
-    };
-  }
-
-  function trim(str) {
-    return str.replace(/^\s+|\s+$/g, '');
-  }
-
-  function rtrim(str) {
-    return str.replace(/\s+$/g, '');
-  }
-
-  // Remove one level of indentation from text. Indent is 4 spaces.
-  function outdent(text) {
-    return text.replace(new RegExp('^(\\t|[ ]{1,4})', 'gm'), '');
-  }
-
-  function contains(str, substr) {
-    return str.indexOf(substr) != -1;
-  }
-
-  // Sanitize html, removing tags that aren't in the whitelist
-  function sanitizeHtml(html, whitelist) {
-    return html.replace(/<[^>]*>?/gi, function(tag) {
-      return tag.match(whitelist) ? tag : '';
-    });
-  }
-
-  // Merge two arrays, keeping only unique elements.
-  function union(x, y) {
-    var obj = {};
-    for (var i = 0; i < x.length; i++)
-       obj[x[i]] = x[i];
-    for (i = 0; i < y.length; i++)
-       obj[y[i]] = y[i];
-    var res = [];
-    for (var k in obj) {
-      if (obj.hasOwnProperty(k))
-        res.push(obj[k]);
-    }
-    return res;
-  }
-
-  // JS regexes don't support \A or \Z, so we add sentinels, as Pagedown
-  // does. In this case, we add the ascii codes for start of text (STX) and
-  // end of text (ETX), an idea borrowed from:
-  // https://github.com/tanakahisateru/js-markdown-extra
-  function addAnchors(text) {
-    if(text.charAt(0) != '\x02')
-      text = '\x02' + text;
-    if(text.charAt(text.length - 1) != '\x03')
-      text = text + '\x03';
-    return text;
-  }
-
-  // Remove STX and ETX sentinels.
-  function removeAnchors(text) {
-    if(text.charAt(0) == '\x02')
-      text = text.substr(1);
-    if(text.charAt(text.length - 1) == '\x03')
-      text = text.substr(0, text.length - 1);
-    return text;
-  }
-
-  // Convert markdown within an element, retaining only span-level tags
-  function convertSpans(text, extra) {
-    return sanitizeHtml(convertAll(text, extra), inlineTags);
-  }
-
-  // Convert internal markdown using the stock pagedown converter
-  function convertAll(text, extra) {
-    var result = extra.blockGamutHookCallback(text);
-    // We need to perform these operations since we skip the steps in the converter
-    result = unescapeSpecialChars(result);
-    result = result.replace(/~D/g, "$$").replace(/~T/g, "~");
-    result = extra.previousPostConversion(result);
-    return result;
-  }
-
-  // Convert escaped special characters to HTML decimal entity codes.
-  function processEscapes(text) {
-    // Markdown extra adds two escapable characters, `:` and `|`
-    // If escaped, we convert them to html entities so our
-    // regexes don't recognize them. Markdown doesn't support escaping
-    // the escape character, e.g. `\\`, which make this even simpler.
-    return text.replace(/\\\|/g, '&#124;').replace(/\\:/g, '&#58;');
-  }
-
-  // Duplicated from PageDown converter
-  function unescapeSpecialChars(text) {
-    // Swap back in all the special characters we've hidden.
-    text = text.replace(/~E(\d+)E/g, function(wholeMatch, m1) {
-      var charCodeToReplace = parseInt(m1);
-      return String.fromCharCode(charCodeToReplace);
-    });
-    return text;
-  }
-  
-  function slugify(text) {
-    return text.toLowerCase()
-    .replace(/\s+/g, '-') // Replace spaces with -
-    .replace(/[^\w\-]+/g, '') // Remove all non-word chars
-    .replace(/\-\-+/g, '-') // Replace multiple - with single -
-    .replace(/^-+/, '') // Trim - from start of text
-    .replace(/-+$/, ''); // Trim - from end of text
-  }
-
-  /*****************************************************************************
-   * Markdown.Extra *
-   ****************************************************************************/
-
-  Markdown.Extra = function() {
-    // For converting internal markdown (in tables for instance).
-    // This is necessary since these methods are meant to be called as
-    // preConversion hooks, and the Markdown converter passed to init()
-    // won't convert any markdown contained in the html tags we return.
-    this.converter = null;
-
-    // Stores html blocks we generate in hooks so that
-    // they're not destroyed if the user is using a sanitizing converter
-    this.hashBlocks = [];
-    
-    // Stores footnotes
-    this.footnotes = {};
-    this.usedFootnotes = [];
-
-    // Special attribute blocks for fenced code blocks and headers enabled.
-    this.attributeBlocks = false;
-
-    // Fenced code block options
-    this.googleCodePrettify = false;
-    this.highlightJs = false;
-
-    // Table options
-    this.tableClass = '';
-
-    this.tabWidth = 4;
-  };
-
-  Markdown.Extra.init = function(converter, options) {
-    // Each call to init creates a new instance of Markdown.Extra so it's
-    // safe to have multiple converters, with different options, on a single page
-    var extra = new Markdown.Extra();
-    var postNormalizationTransformations = [];
-    var preBlockGamutTransformations = [];
-    var postConversionTransformations = ["unHashExtraBlocks"];
-
-    options = options || {};
-    options.extensions = options.extensions || ["all"];
-    if (contains(options.extensions, "all")) {
-      options.extensions = ["tables", "fenced_code_gfm", "def_list", "attr_list", "footnotes", "smartypants"];
-    }
-    preBlockGamutTransformations.push("wrapHeaders");
-    if (contains(options.extensions, "attr_list")) {
-      postNormalizationTransformations.push("hashFcbAttributeBlocks");
-      preBlockGamutTransformations.push("hashHeaderAttributeBlocks");
-      postConversionTransformations.push("applyAttributeBlocks");
-      extra.attributeBlocks = true;
-    }
-    if (contains(options.extensions, "fenced_code_gfm")) {
-      postNormalizationTransformations.push("fencedCodeBlocks");
-    }
-    if (contains(options.extensions, "tables")) {
-      preBlockGamutTransformations.push("tables");
-    }
-    if (contains(options.extensions, "def_list")) {
-      preBlockGamutTransformations.push("definitionLists");
-    }
-    if (contains(options.extensions, "footnotes")) {
-      postNormalizationTransformations.push("stripFootnoteDefinitions");
-      preBlockGamutTransformations.push("doFootnotes");
-      postConversionTransformations.push("printFootnotes");
-    }
-    if (contains(options.extensions, "smartypants")) {
-      postConversionTransformations.push("runSmartyPants");
-    }
-    
-    converter.hooks.chain("postNormalization", function(text) {
-      return extra.doTransform(postNormalizationTransformations, text) + '\n';
-    });
-
-    converter.hooks.chain("preBlockGamut", function(text, blockGamutHookCallback) {
-      // Keep a reference to the block gamut callback to run recursively
-      extra.blockGamutHookCallback = blockGamutHookCallback;
-      text = processEscapes(text);
-      return extra.doTransform(preBlockGamutTransformations, text) + '\n';
-    });
-
-    // Keep a reference to the hook chain running before doPostConversion to apply on hashed extra blocks
-    extra.previousPostConversion = converter.hooks.postConversion;
-    converter.hooks.chain("postConversion", function(text) {
-      text = extra.doTransform(postConversionTransformations, text);
-      // Clear state vars that may use unnecessary memory
-      extra.hashBlocks = [];
-      extra.footnotes = {};
-      extra.usedFootnotes = [];
-      return text;
-    });
-
-    if ("highlighter" in options) {
-      extra.googleCodePrettify = options.highlighter === 'prettify';
-      extra.highlightJs = options.highlighter === 'highlight';
-    }
-
-    if ("table_class" in options) {
-      extra.tableClass = options.table_class;
-    }
-
-    extra.converter = converter;
-
-    // Caller usually won't need this, but it's handy for testing.
-    return extra;
-  };
-
-  // Do transformations
-  Markdown.Extra.prototype.doTransform = function(transformations, text) {
-    for(var i = 0; i < transformations.length; i++)
-      text = this[transformations[i]](text);
-    return text;
-  };
-
-  // Return a placeholder containing a key, which is the block's index in the
-  // hashBlocks array. We wrap our output in a <p> tag here so Pagedown won't.
-  Markdown.Extra.prototype.hashExtraBlock = function(block) {
-    return '\n<p>~X' + (this.hashBlocks.push(block) - 1) + 'X</p>\n';
-  };
-  Markdown.Extra.prototype.hashExtraInline = function(block) {
-    return '~X' + (this.hashBlocks.push(block) - 1) + 'X';
-  };
-  
-  // Replace placeholder blocks in `text` with their corresponding
-  // html blocks in the hashBlocks array.
-  Markdown.Extra.prototype.unHashExtraBlocks = function(text) {
-    var self = this;
-    function recursiveUnHash() {
-      var hasHash = false;
-      text = text.replace(/(?:<p>)?~X(\d+)X(?:<\/p>)?/g, function(wholeMatch, m1) {
-        hasHash = true;
-        var key = parseInt(m1, 10);
-        return self.hashBlocks[key];
-      });
-      if(hasHash === true) {
-        recursiveUnHash();
-      }
-    }
-    recursiveUnHash();
-    return text;
-  };
-  
-  // Wrap headers to make sure they won't be in def lists
-  Markdown.Extra.prototype.wrapHeaders = function(text) {
-    function wrap(text) {
-      return '\n' + text + '\n';
-    }
-    text = text.replace(/^.+[ \t]*\n=+[ \t]*\n+/gm, wrap);
-    text = text.replace(/^.+[ \t]*\n-+[ \t]*\n+/gm, wrap);
-    text = text.replace(/^\#{1,6}[ \t]*.+?[ \t]*\#*\n+/gm, wrap);
-    return text;
-  };
-
-
-  /******************************************************************
-   * Attribute Blocks                                               *
-   *****************************************************************/
-
-  // Extract headers attribute blocks, move them above the element they will be
-  // applied to, and hash them for later.
-  Markdown.Extra.prototype.hashHeaderAttributeBlocks = function(text) {
-    // TODO: use sentinels. Should we just add/remove them in doConversion?
-    // TODO: better matches for id / class attributes
-    var attrBlock = "\\{\\s*[.|#][^}]+\\}";
-    var hdrAttributesA = new RegExp("^(#{1,6}.*#{0,6})\\s+(" + attrBlock + ")[ \\t]*(\\n|0x03)", "gm");
-    var hdrAttributesB = new RegExp("^(.*)\\s+(" + attrBlock + ")[ \\t]*\\n" +
-      "(?=[\\-|=]+\\s*(\\n|0x03))", "gm"); // underline lookahead
-    
-    var self = this;
-    function attributeCallback(wholeMatch, pre, attr) {
-      return '<p>~XX' + (self.hashBlocks.push(attr) - 1) + 'XX</p>\n' + pre + "\n";
-    }
-
-    text = text.replace(hdrAttributesA, attributeCallback);  // ## headers
-    text = text.replace(hdrAttributesB, attributeCallback);  // underline headers
-    return text;
-  };
-  
-  // Extract FCB attribute blocks, move them above the element they will be
-  // applied to, and hash them for later.
-  Markdown.Extra.prototype.hashFcbAttributeBlocks = function(text) {
-    // TODO: use sentinels. Should we just add/remove them in doConversion?
-    // TODO: better matches for id / class attributes
-    var attrBlock = "\\{\\s*[.|#][^}]+\\}";
-    var fcbAttributes =  new RegExp("^(```[^{\\n]*)\\s+(" + attrBlock + ")[ \\t]*\\n" +
-                                    "(?=([\\s\\S]*?)\\n```\\s*(\\n|0x03))", "gm");
-
-    var self = this;
-    function attributeCallback(wholeMatch, pre, attr) {
-      return '<p>~XX' + (self.hashBlocks.push(attr) - 1) + 'XX</p>\n' + pre + "\n";
-    }
-
-    return text.replace(fcbAttributes, attributeCallback);
-  };
-
-  Markdown.Extra.prototype.applyAttributeBlocks = function(text) {
-    var self = this;
-    var blockRe = new RegExp('<p>~XX(\\d+)XX</p>[\\s]*' +
-                             '(?:<(h[1-6]|pre)(?: +class="(\\S+)")?(>[\\s\\S]*?</\\2>))', "gm");
-    text = text.replace(blockRe, function(wholeMatch, k, tag, cls, rest) {
-      if (!tag) // no following header or fenced code block.
-        return '';
-
-      // get attributes list from hash
-      var key = parseInt(k, 10);
-      var attributes = self.hashBlocks[key];
-
-      // get id
-      var id = attributes.match(/#[^\s{}]+/g) || [];
-      var idStr = id[0] ? ' id="' + id[0].substr(1, id[0].length - 1) + '"' : '';
-
-      // get classes and merge with existing classes
-      var classes = attributes.match(/\.[^\s{}]+/g) || [];
-      for (var i = 0; i < classes.length; i++) // Remove leading dot
-        classes[i] = classes[i].substr(1, classes[i].length - 1);
-
-      var classStr = '';
-      if (cls)
-        classes = union(classes, [cls]);
-
-      if (classes.length > 0)
-        classStr = ' class="' + classes.join(' ') + '"';
-
-      return "<" + tag + idStr + classStr + rest;
-    });
-
-    return text;
-  };
-
-  /******************************************************************
-   * Tables                                                         *
-   *****************************************************************/
-
-  // Find and convert Markdown Extra tables into html.
-  Markdown.Extra.prototype.tables = function(text) {
-    var self = this;
-
-    var leadingPipe = new RegExp(
-      ['^'                         ,
-       '[ ]{0,3}'                  , // Allowed whitespace
-       '[|]'                       , // Initial pipe
-       '(.+)\\n'                   , // $1: Header Row
-
-       '[ ]{0,3}'                  , // Allowed whitespace
-       '[|]([ ]*[-:]+[-| :]*)\\n'  , // $2: Separator
-
-       '('                         , // $3: Table Body
-         '(?:[ ]*[|].*\\n?)*'      , // Table rows
-       ')',
-       '(?:\\n|$)'                   // Stop at final newline
-      ].join(''),
-      'gm'
-    );
-
-    var noLeadingPipe = new RegExp(
-      ['^'                         ,
-       '[ ]{0,3}'                  , // Allowed whitespace
-       '(\\S.*[|].*)\\n'           , // $1: Header Row
-
-       '[ ]{0,3}'                  , // Allowed whitespace
-       '([-:]+[ ]*[|][-| :]*)\\n'  , // $2: Separator
-
-       '('                         , // $3: Table Body
-         '(?:.*[|].*\\n?)*'        , // Table rows
-       ')'                         ,
-       '(?:\\n|$)'                   // Stop at final newline
-      ].join(''),
-      'gm'
-    );
-
-    text = text.replace(leadingPipe, doTable);
-    text = text.replace(noLeadingPipe, doTable);
-
-    // $1 = header, $2 = separator, $3 = body
-    function doTable(match, header, separator, body, offset, string) {
-      // remove any leading pipes and whitespace
-      header = header.replace(/^ *[|]/m, '');
-      separator = separator.replace(/^ *[|]/m, '');
-      body = body.replace(/^ *[|]/gm, '');
-
-      // remove trailing pipes and whitespace
-      header = header.replace(/[|] *$/m, '');
-      separator = separator.replace(/[|] *$/m, '');
-      body = body.replace(/[|] *$/gm, '');
-
-      // determine column alignments
-      alignspecs = separator.split(/ *[|] */);
-      align = [];
-      for (var i = 0; i < alignspecs.length; i++) {
-        var spec = alignspecs[i];
-        if (spec.match(/^ *-+: *$/m))
-          align[i] = ' style="text-align:right;"';
-        else if (spec.match(/^ *:-+: *$/m))
-          align[i] = ' style="text-align:center;"';
-        else if (spec.match(/^ *:-+ *$/m))
-          align[i] = ' style="text-align:left;"';
-        else align[i] = '';
-      }
-
-      // TODO: parse spans in header and rows before splitting, so that pipes
-      // inside of tags are not interpreted as separators
-      var headers = header.split(/ *[|] */);
-      var colCount = headers.length;
-
-      // build html
-      var cls = self.tableClass ? ' class="' + self.tableClass + '"' : '';
-      var html = ['<table', cls, '>\n', '<thead>\n', '<tr>\n'].join('');
-
-      // build column headers.
-      for (i = 0; i < colCount; i++) {
-        var headerHtml = convertSpans(trim(headers[i]), self);
-        html += ["  <th", align[i], ">", headerHtml, "</th>\n"].join('');
-      }
-      html += "</tr>\n</thead>\n";
-
-      // build rows
-      var rows = body.split('\n');
-      for (i = 0; i < rows.length; i++) {
-        if (rows[i].match(/^\s*$/)) // can apply to final row
-          continue;
-
-        // ensure number of rowCells matches colCount
-        var rowCells = rows[i].split(/ *[|] */);
-        var lenDiff = colCount - rowCells.length;
-        for (var j = 0; j < lenDiff; j++)
-          rowCells.push('');
-
-        html += "<tr>\n";
-        for (j = 0; j < colCount; j++) {
-          var colHtml = convertSpans(trim(rowCells[j]), self);
-          html += ["  <td", align[j], ">", colHtml, "</td>\n"].join('');
-        }
-        html += "</tr>\n";
-      }
-
-      html += "</table>\n";
-
-      // replace html with placeholder until postConversion step
-      return self.hashExtraBlock(html);
-    }
-
-    return text;
-  };
-
-
-  /******************************************************************
-   * Footnotes                                                      *
-   *****************************************************************/
-  
-  // Strip footnote, store in hashes.
-  Markdown.Extra.prototype.stripFootnoteDefinitions = function(text) {
-    var self = this;
-
-    text = text.replace(
-      /\n[ ]{0,3}\[\^(.+?)\]\:[ \t]*\n?([\s\S]*?)\n{1,2}((?=\n[ ]{0,3}\S)|$)/g,
-      function(wholeMatch, m1, m2) {
-        m1 = slugify(m1);
-        m2 += "\n";
-        m2 = m2.replace(/^[ ]{0,3}/g, "");
-        self.footnotes[m1] = m2;
-        return "\n";
-      });
-
-    return text;
-  };
-  
-
-  // Find and convert footnotes references.
-  Markdown.Extra.prototype.doFootnotes = function(text) {
-    var self = this;
-    if(self.isConvertingFootnote === true) {
-      return text;
-    }
-
-    var footnoteCounter = 0;
-    text = text.replace(/\[\^(.+?)\]/g, function(wholeMatch, m1) {
-      var id = slugify(m1);
-      var footnote = self.footnotes[id];
-      if (footnote === undefined) {
-        return wholeMatch;
-      }
-      footnoteCounter++;
-      self.usedFootnotes.push(id);
-      var html = '<a href="#fn:' + id + '" id="fnref:' + id
-      + '" title="See footnote" class="footnote">' + footnoteCounter
-      + '</a>';
-      return self.hashExtraInline(html);
-    });
-
-    return text;
-  };
-
-  // Print footnotes at the end of the document
-  Markdown.Extra.prototype.printFootnotes = function(text) {
-    var self = this;
-
-    if (self.usedFootnotes.length === 0) {
-      return text;
-    }
-
-    text += '\n\n<div class="footnotes">\n<hr>\n<ol>\n\n';
-    for(var i=0; i<self.usedFootnotes.length; i++) {
-      var id = self.usedFootnotes[i];
-      var footnote = self.footnotes[id];
-      self.isConvertingFootnote = true;
-      var formattedfootnote = convertSpans(footnote, self);
-      delete self.isConvertingFootnote;
-      text += '<li id="fn:'
-        + id
-        + '">'
-        + formattedfootnote
-        + ' <a href="#fnref:'
-        + id
-        + '" title="Return to article" class="reversefootnote">&#8617;</a></li>\n\n';
-    }
-    text += '</ol>\n</div>';
-    return text;
-  };
-  
-  
-  /******************************************************************
-  * Fenced Code Blocks  (gfm)                                       *
-  ******************************************************************/
-
-  // Find and convert gfm-inspired fenced code blocks into html.
-  Markdown.Extra.prototype.fencedCodeBlocks = function(text) {
-    function encodeCode(code) {
-      code = code.replace(/&/g, "&amp;");
-      code = code.replace(/</g, "&lt;");
-      code = code.replace(/>/g, "&gt;");
-      // These were escaped by PageDown before postNormalization 
-      code = code.replace(/~D/g, "$$");
-      code = code.replace(/~T/g, "~");
-      return code;
-    }
-
-    var self = this;
-    text = text.replace(/(?:^|\n)```(.*)\n([\s\S]*?)\n```/g, function(match, m1, m2) {
-      var language = m1, codeblock = m2;
-
-      // adhere to specified options
-      var preclass = self.googleCodePrettify ? ' class="prettyprint"' : '';
-      var codeclass = '';
-      if (language) {
-        if (self.googleCodePrettify || self.highlightJs) {
-          // use html5 language- class names. supported by both prettify and highlight.js
-          codeclass = ' class="language-' + language + '"';
-        } else {
-          codeclass = ' class="' + language + '"';
-        }
-      }
-
-      var html = ['<pre', preclass, '><code', codeclass, '>',
-                  encodeCode(codeblock), '</code></pre>'].join('');
-
-      // replace codeblock with placeholder until postConversion step
-      return self.hashExtraBlock(html);
-    });
-
-    return text;
-  };
-
-
-  /******************************************************************
-  * SmartyPants                                                     *
-  ******************************************************************/
-  
-  var educatePants = function(text) {
-    var result = '';
-    var blockOffset = 0;
-    // Here we parse HTML in a very bad manner
-    text.replace(/(<)([a-zA-Z1-6]+)([^\n]*?>)([\s\S]*?)(<\/\2>)/g, function(wholeMatch, m1, m2, m3, m4, m5, offset) {
-      result += applyPants(text.substring(blockOffset, offset));
-      blockOffset = offset + wholeMatch.length;
-      // Skip special tags
-      if(!/code|kbd|pre|script|noscript|iframe|math|ins|del|pre/i.test(m2)) {
-        m4 = educatePants(m4);
-      }
-      result += m1 + m2 + m3 + m4 + m5;
-    });
-    return result + applyPants(text.substring(blockOffset));
-  };
-    
-  function revertPants(wholeMatch, m1) {
-    var blockText = m1;
-    blockText = blockText.replace(/&\#8220;/g, "\"");
-    blockText = blockText.replace(/&\#8221;/g, "\"");
-    blockText = blockText.replace(/&\#8216;/g, "'");
-    blockText = blockText.replace(/&\#8217;/g, "'");
-    blockText = blockText.replace(/&\#8212;/g, "---");
-    blockText = blockText.replace(/&\#8211;/g, "--");
-    blockText = blockText.replace(/&\#8230;/g, "...");
-    return blockText;
-  }
-  
-  function applyPants(text) {
-    text = text.replace(/``/g, "&#8220;").replace (/''/g, "&#8221;");
-    text = text.replace(/---/g, "&#8212;").replace(/--/g, "&#8211;");
-    text = text.replace(/\.\.\./g, "&#8230;").replace(/\.\s\.\s\./g, "&#8230;");
-    
-    text = text.replace (/^'(?=[!"#\$\%'()*+,\-.\/:;<=>?\@\[\\]\^_`{|}~]\B)/g, "&#8216;");
-    text = text.replace (/^"(?=[!"#\$\%'()*+,\-.\/:;<=>?\@\[\\]\^_`{|}~]\B)/g, "&#8220;");
-    text = text.replace(/^"(?=\w)/g, "&#8220;");
-    text = text.replace(/^'(?=\w)/g, "&#8216;");
-
-    text = text.replace(/"'(?=\w)/g, "&#8220;&#8216;");
-    text = text.replace(/'"(?=\w)/g, "&#8216;&#8220;");
-
-    // Special case for decade abbreviations (the '80s):
-    text = text.replace(/'(?=\d{2}s)/g, "&#8217;");
-    text = text.replace(/(>|\t|\n|\s|&nbsp;|--|&[mn]dash;|&\#8211;|&\#8212;|&\#x201[34];)'(?=\w)/g, "$1&#8216;");
-    text = text.replace(/([^<>\\ \t\r\n\[\{\(\-])'(?=\s | s\b)/g, "$1&#8217;");
-
-    // Any remaining single quotes should be opening ones:
-    text = text.replace(/`/g, "&#8216;").replace(/'/g, "&#8217;");
-    text = text.replace(/(>|\t|\n|\s|&nbsp;|--|&[mn]dash;|&\#8211;|&\#8212;|&\#x201[34];)"(?=\w)/g, "$1&#8220;");
-    text = text.replace(/([^<>\\ \t\r\n\[\{\(\-])"(?=\s | s\b)/g, "$1&#8221;");
-    
-    text = text.replace(/"/ig, "&#8221;");
-    return text;
-  }
-
-  // Find and convert markdown extra definition lists into html.
-  Markdown.Extra.prototype.runSmartyPants = function(text) {
-    text = educatePants(text);
-    //clean everything inside html tags
-    text = text.replace(/(<([a-zA-Z1-6]+)\b([^\n>]*?)(\/)?>)/g, revertPants);
-    return text;
-  };
-  
-  /******************************************************************
-  * Definition Lists                                                *
-  ******************************************************************/
-
-  // Find and convert markdown extra definition lists into html.
-  Markdown.Extra.prototype.definitionLists = function(text) {
-    var wholeList = new RegExp(
-      ['(\\x02\\n?|\\n\\n)'          ,
-       '(?:'                         ,
-         '('                         , // $1 = whole list
-           '('                       , // $2
-             '[ ]{0,3}'              ,
-             '((?:[ \\t]*\\S.*\\n)+)', // $3 = defined term
-             '\\n?'                  ,
-             '[ ]{0,3}:[ ]+'         , // colon starting definition
-           ')'                       ,
-           '([\\s\\S]+?)'            ,
-           '('                       , // $4
-               '(?=\\0x03)'          , // \z
-             '|'                     ,
-               '(?='                 ,
-                 '\\n{2,}'           ,
-                 '(?=\\S)'           ,
-                 '(?!'               , // Negative lookahead for another term
-                   '[ ]{0,3}'        ,
-                   '(?:\\S.*\\n)+?'  , // defined term
-                   '\\n?'            ,
-                   '[ ]{0,3}:[ ]+'   , // colon starting definition
-                 ')'                 ,
-                 '(?!'               , // Negative lookahead for another definition
-                   '[ ]{0,3}:[ ]+'   , // colon starting definition
-                 ')'                 ,
-               ')'                   ,
-           ')'                       ,
-         ')'                         ,
-       ')'
-      ].join(''),
-      'gm'
-    );
-
-    var self = this;
-    text = addAnchors(text);
-
-    text = text.replace(wholeList, function(match, pre, list) {
-      var result = trim(self.processDefListItems(list));
-      result = "<dl>\n" + result + "\n</dl>";
-      return pre + self.hashExtraBlock(result) + "\n\n";
-    });
-
-    return removeAnchors(text);
-  };
-
-  // Process the contents of a single definition list, splitting it
-  // into individual term and definition list items.
-  Markdown.Extra.prototype.processDefListItems = function(listStr) {
-    var self = this;
-
-    var dt = new RegExp(
-      ['(\\x02\\n?|\\n\\n+)'    , // leading line
-       '('                      , // definition terms = $1
-         '[ ]{0,3}'             , // leading whitespace
-         '(?![:][ ]|[ ])'       , // negative lookahead for a definition
-                                  //   mark (colon) or more whitespace
-         '(?:\\S.*\\n)+?'       , // actual term (not whitespace)
-       ')'                      ,
-       '(?=\\n?[ ]{0,3}:[ ])'     // lookahead for following line feed
-      ].join(''),                 //   with a definition mark
-      'gm'
-    );
-
-    var dd = new RegExp(
-      ['\\n(\\n+)?'              , // leading line = $1
-       '('                       , // marker space = $2
-         '[ ]{0,3}'              , // whitespace before colon
-         '[:][ ]+'               , // definition mark (colon)
-       ')'                       ,
-       '([\\s\\S]+?)'            , // definition text = $3
-       '(?=\\n*'                 , // stop at next definition mark,
-         '(?:'                   , // next term or end of text
-           '\\n[ ]{0,3}[:][ ]|'  ,
-           '<dt>|\\x03'          , // \z
-         ')'                     ,
-       ')'
-      ].join(''),
-      'gm'
-    );
-
-    listStr = addAnchors(listStr);
-    // trim trailing blank lines:
-    listStr = listStr.replace(/\n{2,}(?=\\x03)/, "\n");
-
-    // Process definition terms.
-    listStr = listStr.replace(dt, function(match, pre, termsStr) {
-      var terms = trim(termsStr).split("\n");
-      var text = '';
-      for (var i = 0; i < terms.length; i++) {
-        var term = terms[i];
-        // process spans inside dt
-        term = convertSpans(trim(term), self);
-        text += "\n<dt>" + term + "</dt>";
-      }
-      return text + "\n";
-    });
-
-    // Process actual definitions.
-    listStr = listStr.replace(dd, function(match, leadingLine, markerSpace, def) {
-      if (leadingLine || def.match(/\n{2,}/)) {
-        // replace marker with the appropriate whitespace indentation
-        def = Array(markerSpace.length + 1).join(' ') + def;
-        // process markdown inside definition
-        // TODO?: currently doesn't apply extensions
-        def = outdent(def) + "\n\n";
-        def = "\n" + convertAll(def, self) + "\n";
-      } else {
-        // convert span-level markdown inside definition
-        def = rtrim(def);
-        def = convertSpans(outdent(def), self);
-      }
-
-      return "\n<dd>" + def + "</dd>\n";
-    });
-
-    return removeAnchors(listStr);
-  };
-
-})();
-
diff --git a/admin/js/pagedown.js b/admin/js/pagedown.js
index ecd60010..f43231b6 100644
--- a/admin/js/pagedown.js
+++ b/admin/js/pagedown.js
@@ -104,1438 +104,8 @@ else
             return this["s_" + key];
         }
     };
-
-    Markdown.Converter = function () {
-        var pluginHooks = this.hooks = new HookCollection();
-        
-        // given a URL that was encountered by itself (without markup), should return the link text that's to be given to this link
-        pluginHooks.addNoop("plainLinkText");
-        
-        // called with the orignal text as given to makeHtml. The result of this plugin hook is the actual markdown source that will be cooked
-        pluginHooks.addNoop("preConversion");
-        
-        // called with the text once all normalizations have been completed (tabs to spaces, line endings, etc.), but before any conversions have
-        pluginHooks.addNoop("postNormalization");
-        
-        // Called with the text before / after creating block elements like code blocks and lists. Note that this is called recursively
-        // with inner content, e.g. it's called with the full text, and then only with the content of a blockquote. The inner
-        // call will receive outdented text.
-        pluginHooks.addNoop("preBlockGamut");
-        pluginHooks.addNoop("postBlockGamut");
-        
-        // called with the text of a single block element before / after the span-level conversions (bold, code spans, etc.) have been made
-        pluginHooks.addNoop("preSpanGamut");
-        pluginHooks.addNoop("postSpanGamut");
-        
-        // called with the final cooked HTML code. The result of this plugin hook is the actual output of makeHtml
-        pluginHooks.addNoop("postConversion");
-
-        //
-        // Private state of the converter instance:
-        //
-
-        // Global hashes, used by various utility routines
-        var g_urls;
-        var g_titles;
-        var g_html_blocks;
-
-        // Used to track when we're inside an ordered or unordered list
-        // (see _ProcessListItems() for details):
-        var g_list_level;
-
-        this.makeHtml = function (text) {
-
-            //
-            // Main function. The order in which other subs are called here is
-            // essential. Link and image substitutions need to happen before
-            // _EscapeSpecialCharsWithinTagAttributes(), so that any *'s or _'s in the <a>
-            // and <img> tags get encoded.
-            //
-
-            // This will only happen if makeHtml on the same converter instance is called from a plugin hook.
-            // Don't do that.
-            if (g_urls)
-                throw new Error("Recursive call to converter.makeHtml");
-        
-            // Create the private state objects.
-            g_urls = new SaveHash();
-            g_titles = new SaveHash();
-            g_html_blocks = [];
-            g_list_level = 0;
-
-            text = pluginHooks.preConversion(text);
-
-            // attacklab: Replace ~ with ~T
-            // This lets us use tilde as an escape char to avoid md5 hashes
-            // The choice of character is arbitray; anything that isn't
-            // magic in Markdown will work.
-            text = text.replace(/~/g, "~T");
-
-            // attacklab: Replace $ with ~D
-            // RegExp interprets $ as a special character
-            // when it's in a replacement string
-            text = text.replace(/\$/g, "~D");
-
-            // Standardize line endings
-            text = text.replace(/\r\n/g, "\n"); // DOS to Unix
-            text = text.replace(/\r/g, "\n"); // Mac to Unix
-
-            // Make sure text begins and ends with a couple of newlines:
-            text = "\n\n" + text + "\n\n";
-
-            // Convert all tabs to spaces.
-            text = _Detab(text);
-
-            // Strip any lines consisting only of spaces and tabs.
-            // This makes subsequent regexen easier to write, because we can
-            // match consecutive blank lines with /\n+/ instead of something
-            // contorted like /[ \t]*\n+/ .
-            text = text.replace(/^[ \t]+$/mg, "");
-            
-            text = pluginHooks.postNormalization(text);
-
-            // Turn block-level HTML blocks into hash entries
-            text = _HashHTMLBlocks(text);
-
-            // Strip link definitions, store in hashes.
-            text = _StripLinkDefinitions(text);
-
-            text = _RunBlockGamut(text);
-
-            text = _UnescapeSpecialChars(text);
-
-            // attacklab: Restore dollar signs
-            text = text.replace(/~D/g, "$$");
-
-            // attacklab: Restore tildes
-            text = text.replace(/~T/g, "~");
-
-            text = pluginHooks.postConversion(text);
-
-            g_html_blocks = g_titles = g_urls = null;
-
-            return text;
-        };
-
-        function _StripLinkDefinitions(text) {
-            //
-            // Strips link definitions from text, stores the URLs and titles in
-            // hash references.
-            //
-
-            // Link defs are in the form: ^[id]: url "optional title"
-
-            /*
-            text = text.replace(/
-                ^[ ]{0,3}\[(.+)\]:  // id = $1  attacklab: g_tab_width - 1
-                [ \t]*
-                \n?                 // maybe *one* newline
-                [ \t]*
-                <?(\S+?)>?          // url = $2
-                (?=\s|$)            // lookahead for whitespace instead of the lookbehind removed below
-                [ \t]*
-                \n?                 // maybe one newline
-                [ \t]*
-                (                   // (potential) title = $3
-                    (\n*)           // any lines skipped = $4 attacklab: lookbehind removed
-                    [ \t]+
-                    ["(]
-                    (.+?)           // title = $5
-                    [")]
-                    [ \t]*
-                )?                  // title is optional
-                (?:\n+|$)
-            /gm, function(){...});
-            */
-
-            text = text.replace(/^[ ]{0,3}\[(.+)\]:[ \t]*\n?[ \t]*<?(\S+?)>?(?=\s|$)[ \t]*\n?[ \t]*((\n*)["(](.+?)[")][ \t]*)?(?:\n+)/gm,
-                function (wholeMatch, m1, m2, m3, m4, m5) {
-                    m1 = m1.toLowerCase();
-                    g_urls.set(m1, _EncodeAmpsAndAngles(m2));  // Link IDs are case-insensitive
-                    if (m4) {
-                        // Oops, found blank lines, so it's not a title.
-                        // Put back the parenthetical statement we stole.
-                        return m3;
-                    } else if (m5) {
-                        g_titles.set(m1, m5.replace(/"/g, "&quot;"));
-                    }
-
-                    // Completely remove the definition from the text
-                    return "";
-                }
-            );
-
-            return text;
-        }
-
-        function _HashHTMLBlocks(text) {
-
-            // Hashify HTML blocks:
-            // We only want to do this for block-level HTML tags, such as headers,
-            // lists, and tables. That's because we still want to wrap <p>s around
-            // "paragraphs" that are wrapped in non-block-level tags, such as anchors,
-            // phrase emphasis, and spans. The list of tags we're looking for is
-            // hard-coded:
-            var block_tags_a = "p|div|h[1-6]|blockquote|pre|table|dl|ol|ul|script|noscript|form|fieldset|iframe|math|ins|del"
-            var block_tags_b = "p|div|h[1-6]|blockquote|pre|table|dl|ol|ul|script|noscript|form|fieldset|iframe|math"
-
-            // First, look for nested blocks, e.g.:
-            //   <div>
-            //     <div>
-            //     tags for inner block must be indented.
-            //     </div>
-            //   </div>
-            //
-            // The outermost tags must start at the left margin for this to match, and
-            // the inner nested divs must be indented.
-            // We need to do this before the next, more liberal match, because the next
-            // match will start at the first `<div>` and stop at the first `</div>`.
-
-            // attacklab: This regex can be expensive when it fails.
-
-            /*
-            text = text.replace(/
-                (                       // save in $1
-                    ^                   // start of line  (with /m)
-                    <($block_tags_a)    // start tag = $2
-                    \b                  // word break
-                                        // attacklab: hack around khtml/pcre bug...
-                    [^\r]*?\n           // any number of lines, minimally matching
-                    </\2>               // the matching end tag
-                    [ \t]*              // trailing spaces/tabs
-                    (?=\n+)             // followed by a newline
-                )                       // attacklab: there are sentinel newlines at end of document
-            /gm,function(){...}};
-            */
-            text = text.replace(/^(<(p|div|h[1-6]|blockquote|pre|table|dl|ol|ul|script|noscript|form|fieldset|iframe|math|ins|del)\b[^\r]*?\n<\/\2>[ \t]*(?=\n+))/gm, hashElement);
-
-            //
-            // Now match more liberally, simply from `\n<tag>` to `</tag>\n`
-            //
-
-            /*
-            text = text.replace(/
-                (                       // save in $1
-                    ^                   // start of line  (with /m)
-                    <($block_tags_b)    // start tag = $2
-                    \b                  // word break
-                                        // attacklab: hack around khtml/pcre bug...
-                    [^\r]*?             // any number of lines, minimally matching
-                    .*</\2>             // the matching end tag
-                    [ \t]*              // trailing spaces/tabs
-                    (?=\n+)             // followed by a newline
-                )                       // attacklab: there are sentinel newlines at end of document
-            /gm,function(){...}};
-            */
-            text = text.replace(/^(<(p|div|h[1-6]|blockquote|pre|table|dl|ol|ul|script|noscript|form|fieldset|iframe|math)\b[^\r]*?.*<\/\2>[ \t]*(?=\n+)\n)/gm, hashElement);
-
-            // Special case just for <hr />. It was easier to make a special case than
-            // to make the other regex more complicated.  
-
-            /*
-            text = text.replace(/
-                \n                  // Starting after a blank line
-                [ ]{0,3}
-                (                   // save in $1
-                    (<(hr)          // start tag = $2
-                        \b          // word break
-                        ([^<>])*?
-                    \/?>)           // the matching end tag
-                    [ \t]*
-                    (?=\n{2,})      // followed by a blank line
-                )
-            /g,hashElement);
-            */
-            text = text.replace(/\n[ ]{0,3}((<(hr)\b([^<>])*?\/?>)[ \t]*(?=\n{2,}))/g, hashElement);
-
-            // Special case for standalone HTML comments:
-
-            /*
-            text = text.replace(/
-                \n\n                                            // Starting after a blank line
-                [ ]{0,3}                                        // attacklab: g_tab_width - 1
-                (                                               // save in $1
-                    <!
-                    (--(?:|(?:[^>-]|-[^>])(?:[^-]|-[^-])*)--)   // see http://www.w3.org/TR/html-markup/syntax.html#comments and http://meta.stackoverflow.com/q/95256
-                    >
-                    [ \t]*
-                    (?=\n{2,})                                  // followed by a blank line
-                )
-            /g,hashElement);
-            */
-            text = text.replace(/\n\n[ ]{0,3}(<!(--(?:|(?:[^>-]|-[^>])(?:[^-]|-[^-])*)--)>[ \t]*(?=\n{2,}))/g, hashElement);
-
-            // PHP and ASP-style processor instructions (<?...?> and <%...%>)
-
-            /*
-            text = text.replace(/
-                (?:
-                    \n\n            // Starting after a blank line
-                )
-                (                   // save in $1
-                    [ ]{0,3}        // attacklab: g_tab_width - 1
-                    (?:
-                        <([?%])     // $2
-                        [^\r]*?
-                        \2>
-                    )
-                    [ \t]*
-                    (?=\n{2,})      // followed by a blank line
-                )
-            /g,hashElement);
-            */
-            text = text.replace(/(?:\n\n)([ ]{0,3}(?:<([?%])[^\r]*?\2>)[ \t]*(?=\n{2,}))/g, hashElement);
-
-            return text;
-        }
-
-        function hashElement(wholeMatch, m1) {
-            var blockText = m1;
-
-            // Undo double lines
-            blockText = blockText.replace(/^\n+/, "");
-
-            // strip trailing blank lines
-            blockText = blockText.replace(/\n+$/g, "");
-
-            // Replace the element text with a marker ("~KxK" where x is its key)
-            blockText = "\n\n~K" + (g_html_blocks.push(blockText) - 1) + "K\n\n";
-
-            return blockText;
-        }
-        
-        var blockGamutHookCallback = function (t) { return _RunBlockGamut(t); }
-
-        function _RunBlockGamut(text, doNotUnhash) {
-            //
-            // These are all the transformations that form block-level
-            // tags like paragraphs, headers, and list items.
-            //
-            
-            text = pluginHooks.preBlockGamut(text, blockGamutHookCallback);
-            
-            text = _DoHeaders(text);
-
-            // Do Horizontal Rules:
-            var replacement = "<hr />\n";
-            text = text.replace(/^[ ]{0,2}([ ]?\*[ ]?){3,}[ \t]*$/gm, replacement);
-            text = text.replace(/^[ ]{0,2}([ ]?-[ ]?){3,}[ \t]*$/gm, replacement);
-            text = text.replace(/^[ ]{0,2}([ ]?_[ ]?){3,}[ \t]*$/gm, replacement);
-
-            text = _DoLists(text);
-            text = _DoCodeBlocks(text);
-            text = _DoBlockQuotes(text);
-            
-            text = pluginHooks.postBlockGamut(text, blockGamutHookCallback);
-
-            // We already ran _HashHTMLBlocks() before, in Markdown(), but that
-            // was to escape raw HTML in the original Markdown source. This time,
-            // we're escaping the markup we've just created, so that we don't wrap
-            // <p> tags around block-level tags.
-            text = _HashHTMLBlocks(text);
-            text = _FormParagraphs(text, doNotUnhash);
-
-            return text;
-        }
-
-        function _RunSpanGamut(text) {
-            //
-            // These are all the transformations that occur *within* block-level
-            // tags like paragraphs, headers, and list items.
-            //
-
-            text = pluginHooks.preSpanGamut(text);
-            
-            text = _DoCodeSpans(text);
-            text = _EscapeSpecialCharsWithinTagAttributes(text);
-            text = _EncodeBackslashEscapes(text);
-
-            // Process anchor and image tags. Images must come first,
-            // because ![foo][f] looks like an anchor.
-            text = _DoImages(text);
-            text = _DoAnchors(text);
-
-            // Make links out of things like `<http://example.com/>`
-            // Must come after _DoAnchors(), because you can use < and >
-            // delimiters in inline links like [this](<url>).
-            text = _DoAutoLinks(text);
-            
-            text = text.replace(/~P/g, "://"); // put in place to prevent autolinking; reset now
-            
-            text = _EncodeAmpsAndAngles(text);
-            text = _DoItalicsAndBold(text);
-
-            // Do hard breaks:
-            text = text.replace(/ *\n/g, " <br>\n");
-            
-            text = pluginHooks.postSpanGamut(text);
-
-            return text;
-        }
-
-        function _EscapeSpecialCharsWithinTagAttributes(text) {
-            //
-            // Within tags -- meaning between < and > -- encode [\ ` * _] so they
-            // don't conflict with their use in Markdown for code, italics and strong.
-            //
-
-            // Build a regex to find HTML tags and comments.  See Friedl's 
-            // "Mastering Regular Expressions", 2nd Ed., pp. 200-201.
-
-            // SE: changed the comment part of the regex
-
-            var regex = /(<[a-z\/!$]("[^"]*"|'[^']*'|[^'">])*>|<!(--(?:|(?:[^>-]|-[^>])(?:[^-]|-[^-])*)--)>)/gi;
-
-            text = text.replace(regex, function (wholeMatch) {
-                var tag = wholeMatch.replace(/(.)<\/?code>(?=.)/g, "$1`");
-                tag = escapeCharacters(tag, wholeMatch.charAt(1) == "!" ? "\\`*_/" : "\\`*_"); // also escape slashes in comments to prevent autolinking there -- http://meta.stackoverflow.com/questions/95987
-                return tag;
-            });
-
-            return text;
-        }
-
-        function _DoAnchors(text) {
-            //
-            // Turn Markdown link shortcuts into XHTML <a> tags.
-            //
-            //
-            // First, handle reference-style links: [link text] [id]
-            //
-
-            /*
-            text = text.replace(/
-                (                           // wrap whole match in $1
-                    \[
-                    (
-                        (?:
-                            \[[^\]]*\]      // allow brackets nested one level
-                            |
-                            [^\[]           // or anything else
-                        )*
-                    )
-                    \]
-
-                    [ ]?                    // one optional space
-                    (?:\n[ ]*)?             // one optional newline followed by spaces
-
-                    \[
-                    (.*?)                   // id = $3
-                    \]
-                )
-                ()()()()                    // pad remaining backreferences
-            /g, writeAnchorTag);
-            */
-            text = text.replace(/(\[((?:\[[^\]]*\]|[^\[\]])*)\][ ]?(?:\n[ ]*)?\[(.*?)\])()()()()/g, writeAnchorTag);
-
-            //
-            // Next, inline-style links: [link text](url "optional title")
-            //
-
-            /*
-            text = text.replace(/
-                (                           // wrap whole match in $1
-                    \[
-                    (
-                        (?:
-                            \[[^\]]*\]      // allow brackets nested one level
-                            |
-                            [^\[\]]         // or anything else
-                        )*
-                    )
-                    \]
-                    \(                      // literal paren
-                    [ \t]*
-                    ()                      // no id, so leave $3 empty
-                    <?(                     // href = $4
-                        (?:
-                            \([^)]*\)       // allow one level of (correctly nested) parens (think MSDN)
-                            |
-                            [^()\s]
-                        )*?
-                    )>?                
-                    [ \t]*
-                    (                       // $5
-                        (['"])              // quote char = $6
-                        (.*?)               // Title = $7
-                        \6                  // matching quote
-                        [ \t]*              // ignore any spaces/tabs between closing quote and )
-                    )?                      // title is optional
-                    \)
-                )
-            /g, writeAnchorTag);
-            */
-
-            text = text.replace(/(\[((?:\[[^\]]*\]|[^\[\]])*)\]\([ \t]*()<?((?:\([^)]*\)|[^()\s])*?)>?[ \t]*((['"])(.*?)\6[ \t]*)?\))/g, writeAnchorTag);
-
-            //
-            // Last, handle reference-style shortcuts: [link text]
-            // These must come last in case you've also got [link test][1]
-            // or [link test](/foo)
-            //
-
-            /*
-            text = text.replace(/
-                (                   // wrap whole match in $1
-                    \[
-                    ([^\[\]]+)      // link text = $2; can't contain '[' or ']'
-                    \]
-                )
-                ()()()()()          // pad rest of backreferences
-            /g, writeAnchorTag);
-            */
-            text = text.replace(/(\[([^\[\]]+)\])()()()()()/g, writeAnchorTag);
-
-            return text;
-        }
-
-        function writeAnchorTag(wholeMatch, m1, m2, m3, m4, m5, m6, m7) {
-            if (m7 == undefined) m7 = "";
-            var whole_match = m1;
-            var link_text = m2.replace(/:\/\//g, "~P"); // to prevent auto-linking withing the link. will be converted back after the auto-linker runs
-            var link_id = m3.toLowerCase();
-            var url = m4;
-            var title = m7;
-
-            if (url == "") {
-                if (link_id == "") {
-                    // lower-case and turn embedded newlines into spaces
-                    link_id = link_text.toLowerCase().replace(/ ?\n/g, " ");
-                }
-                url = "#" + link_id;
-
-                if (g_urls.get(link_id) != undefined) {
-                    url = g_urls.get(link_id);
-                    if (g_titles.get(link_id) != undefined) {
-                        title = g_titles.get(link_id);
-                    }
-                }
-                else {
-                    if (whole_match.search(/\(\s*\)$/m) > -1) {
-                        // Special case for explicit empty url
-                        url = "";
-                    } else {
-                        return whole_match;
-                    }
-                }
-            }
-            url = encodeProblemUrlChars(url);
-            url = escapeCharacters(url, "*_");
-            var result = "<a href=\"" + url + "\"";
-
-            if (title != "") {
-                title = attributeEncode(title);
-                title = escapeCharacters(title, "*_");
-                result += " title=\"" + title + "\"";
-            }
-
-            result += ">" + link_text + "</a>";
-
-            return result;
-        }
-
-        function _DoImages(text) {
-            //
-            // Turn Markdown image shortcuts into <img> tags.
-            //
-
-            //
-            // First, handle reference-style labeled images: ![alt text][id]
-            //
-
-            /*
-            text = text.replace(/
-                (                   // wrap whole match in $1
-                    !\[
-                    (.*?)           // alt text = $2
-                    \]
-
-                    [ ]?            // one optional space
-                    (?:\n[ ]*)?     // one optional newline followed by spaces
-
-                    \[
-                    (.*?)           // id = $3
-                    \]
-                )
-                ()()()()            // pad rest of backreferences
-            /g, writeImageTag);
-            */
-            text = text.replace(/(!\[(.*?)\][ ]?(?:\n[ ]*)?\[(.*?)\])()()()()/g, writeImageTag);
-
-            //
-            // Next, handle inline images:  ![alt text](url "optional title")
-            // Don't forget: encode * and _
-
-            /*
-            text = text.replace(/
-                (                   // wrap whole match in $1
-                    !\[
-                    (.*?)           // alt text = $2
-                    \]
-                    \s?             // One optional whitespace character
-                    \(              // literal paren
-                    [ \t]*
-                    ()              // no id, so leave $3 empty
-                    <?(\S+?)>?      // src url = $4
-                    [ \t]*
-                    (               // $5
-                        (['"])      // quote char = $6
-                        (.*?)       // title = $7
-                        \6          // matching quote
-                        [ \t]*
-                    )?              // title is optional
-                    \)
-                )
-            /g, writeImageTag);
-            */
-            text = text.replace(/(!\[(.*?)\]\s?\([ \t]*()<?(\S+?)>?[ \t]*((['"])(.*?)\6[ \t]*)?\))/g, writeImageTag);
-
-            return text;
-        }
-        
-        function attributeEncode(text) {
-            // unconditionally replace angle brackets here -- what ends up in an attribute (e.g. alt or title)
-            // never makes sense to have verbatim HTML in it (and the sanitizer would totally break it)
-            return text.replace(/>/g, "&gt;").replace(/</g, "&lt;").replace(/"/g, "&quot;");
-        }
-
-        function writeImageTag(wholeMatch, m1, m2, m3, m4, m5, m6, m7) {
-            var whole_match = m1;
-            var alt_text = m2;
-            var link_id = m3.toLowerCase();
-            var url = m4;
-            var title = m7;
-
-            if (!title) title = "";
-
-            if (url == "") {
-                if (link_id == "") {
-                    // lower-case and turn embedded newlines into spaces
-                    link_id = alt_text.toLowerCase().replace(/ ?\n/g, " ");
-                }
-                url = "#" + link_id;
-
-                if (g_urls.get(link_id) != undefined) {
-                    url = g_urls.get(link_id);
-                    if (g_titles.get(link_id) != undefined) {
-                        title = g_titles.get(link_id);
-                    }
-                }
-                else {
-                    return whole_match;
-                }
-            }
-            
-            alt_text = escapeCharacters(attributeEncode(alt_text), "*_[]()");
-            url = escapeCharacters(url, "*_");
-            var result = "<img src=\"" + url + "\" alt=\"" + alt_text + "\"";
-
-            // attacklab: Markdown.pl adds empty title attributes to images.
-            // Replicate this bug.
-
-            //if (title != "") {
-            title = attributeEncode(title);
-            title = escapeCharacters(title, "*_");
-            result += " title=\"" + title + "\"";
-            //}
-
-            result += " />";
-
-            return result;
-        }
-
-        function _DoHeaders(text) {
-
-            // Setext-style headers:
-            //  Header 1
-            //  ========
-            //  
-            //  Header 2
-            //  --------
-            //
-            text = text.replace(/^(.+)[ \t]*\n=+[ \t]*\n+/gm,
-                function (wholeMatch, m1) { return "<h1>" + _RunSpanGamut(m1) + "</h1>\n\n"; }
-            );
-
-            text = text.replace(/^(.+)[ \t]*\n-+[ \t]*\n+/gm,
-                function (matchFound, m1) { return "<h2>" + _RunSpanGamut(m1) + "</h2>\n\n"; }
-            );
-
-            // atx-style headers:
-            //  # Header 1
-            //  ## Header 2
-            //  ## Header 2 with closing hashes ##
-            //  ...
-            //  ###### Header 6
-            //
-
-            /*
-            text = text.replace(/
-                ^(\#{1,6})      // $1 = string of #'s
-                [ \t]*
-                (.+?)           // $2 = Header text
-                [ \t]*
-                \#*             // optional closing #'s (not counted)
-                \n+
-            /gm, function() {...});
-            */
-
-            text = text.replace(/^(\#{1,6})[ \t]*(.+?)[ \t]*\#*\n+/gm,
-                function (wholeMatch, m1, m2) {
-                    var h_level = m1.length;
-                    return "<h" + h_level + ">" + _RunSpanGamut(m2) + "</h" + h_level + ">\n\n";
-                }
-            );
-
-            return text;
-        }
-
-        function _DoLists(text, isInsideParagraphlessListItem) {
-            //
-            // Form HTML ordered (numbered) and unordered (bulleted) lists.
-            //
-
-            // attacklab: add sentinel to hack around khtml/safari bug:
-            // http://bugs.webkit.org/show_bug.cgi?id=11231
-            text += "~0";
-
-            // Re-usable pattern to match any entirel ul or ol list:
-
-            /*
-            var whole_list = /
-                (                                   // $1 = whole list
-                    (                               // $2
-                        [ ]{0,3}                    // attacklab: g_tab_width - 1
-                        ([*+-]|\d+[.])              // $3 = first list item marker
-                        [ \t]+
-                    )
-                    [^\r]+?
-                    (                               // $4
-                        ~0                          // sentinel for workaround; should be $
-                        |
-                        \n{2,}
-                        (?=\S)
-                        (?!                         // Negative lookahead for another list item marker
-                            [ \t]*
-                            (?:[*+-]|\d+[.])[ \t]+
-                        )
-                    )
-                )
-            /g
-            */
-            var whole_list = /^(([ ]{0,3}([*+-]|\d+[.])[ \t]+)[^\r]+?(~0|\n{2,}(?=\S)(?![ \t]*(?:[*+-]|\d+[.])[ \t]+)))/gm;
-
-            if (g_list_level) {
-                text = text.replace(whole_list, function (wholeMatch, m1, m2) {
-                    var list = m1;
-                    var list_type = (m2.search(/[*+-]/g) > -1) ? "ul" : "ol";
-
-                    var result = _ProcessListItems(list, list_type, isInsideParagraphlessListItem);
-
-                    // Trim any trailing whitespace, to put the closing `</$list_type>`
-                    // up on the preceding line, to get it past the current stupid
-                    // HTML block parser. This is a hack to work around the terrible
-                    // hack that is the HTML block parser.
-                    result = result.replace(/\s+$/, "");
-                    result = "<" + list_type + ">" + result + "</" + list_type + ">\n";
-                    return result;
-                });
-            } else {
-                whole_list = /(\n\n|^\n?)(([ ]{0,3}([*+-]|\d+[.])[ \t]+)[^\r]+?(~0|\n{2,}(?=\S)(?![ \t]*(?:[*+-]|\d+[.])[ \t]+)))/g;
-                text = text.replace(whole_list, function (wholeMatch, m1, m2, m3) {
-                    var runup = m1;
-                    var list = m2;
-
-                    var list_type = (m3.search(/[*+-]/g) > -1) ? "ul" : "ol";
-                    var result = _ProcessListItems(list, list_type);
-                    result = runup + "<" + list_type + ">\n" + result + "</" + list_type + ">\n";
-                    return result;
-                });
-            }
-
-            // attacklab: strip sentinel
-            text = text.replace(/~0/, "");
-
-            return text;
-        }
-
-        var _listItemMarkers = { ol: "\\d+[.]", ul: "[*+-]" };
-
-        function _ProcessListItems(list_str, list_type, isInsideParagraphlessListItem) {
-            //
-            //  Process the contents of a single ordered or unordered list, splitting it
-            //  into individual list items.
-            //
-            //  list_type is either "ul" or "ol".
-
-            // The $g_list_level global keeps track of when we're inside a list.
-            // Each time we enter a list, we increment it; when we leave a list,
-            // we decrement. If it's zero, we're not in a list anymore.
-            //
-            // We do this because when we're not inside a list, we want to treat
-            // something like this:
-            //
-            //    I recommend upgrading to version
-            //    8. Oops, now this line is treated
-            //    as a sub-list.
-            //
-            // As a single paragraph, despite the fact that the second line starts
-            // with a digit-period-space sequence.
-            //
-            // Whereas when we're inside a list (or sub-list), that line will be
-            // treated as the start of a sub-list. What a kludge, huh? This is
-            // an aspect of Markdown's syntax that's hard to parse perfectly
-            // without resorting to mind-reading. Perhaps the solution is to
-            // change the syntax rules such that sub-lists must start with a
-            // starting cardinal number; e.g. "1." or "a.".
-
-            g_list_level++;
-
-            // trim trailing blank lines:
-            list_str = list_str.replace(/\n{2,}$/, "\n");
-
-            // attacklab: add sentinel to emulate \z
-            list_str += "~0";
-
-            // In the original attacklab showdown, list_type was not given to this function, and anything
-            // that matched /[*+-]|\d+[.]/ would just create the next <li>, causing this mismatch:
-            //
-            //  Markdown          rendered by WMD        rendered by MarkdownSharp
-            //  ------------------------------------------------------------------
-            //  1. first          1. first               1. first
-            //  2. second         2. second              2. second
-            //  - third           3. third                   * third
-            //
-            // We changed this to behave identical to MarkdownSharp. This is the constructed RegEx,
-            // with {MARKER} being one of \d+[.] or [*+-], depending on list_type:
-        
-            /*
-            list_str = list_str.replace(/
-                (^[ \t]*)                       // leading whitespace = $1
-                ({MARKER}) [ \t]+               // list marker = $2
-                ([^\r]+?                        // list item text   = $3
-                    (\n+)
-                )
-                (?=
-                    (~0 | \2 ({MARKER}) [ \t]+)
-                )
-            /gm, function(){...});
-            */
-
-            var marker = _listItemMarkers[list_type];
-            var re = new RegExp("(^[ \\t]*)(" + marker + ")[ \\t]+([^\\r]+?(\\n+))(?=(~0|\\1(" + marker + ")[ \\t]+))", "gm");
-            var last_item_had_a_double_newline = false;
-            list_str = list_str.replace(re,
-                function (wholeMatch, m1, m2, m3) {
-                    var item = m3;
-                    var leading_space = m1;
-                    var ends_with_double_newline = /\n\n$/.test(item);
-                    var contains_double_newline = ends_with_double_newline || item.search(/\n{2,}/) > -1;
-
-                    if (contains_double_newline || last_item_had_a_double_newline) {
-                        item = _RunBlockGamut(_Outdent(item), /* doNotUnhash = */true);
-                    }
-                    else {
-                        // Recursion for sub-lists:
-                        item = _DoLists(_Outdent(item), /* isInsideParagraphlessListItem= */ true);
-                        item = item.replace(/\n$/, ""); // chomp(item)
-                        if (!isInsideParagraphlessListItem) // only the outer-most item should run this, otherwise it's run multiple times for the inner ones
-                            item = _RunSpanGamut(item);
-                    }
-                    last_item_had_a_double_newline = ends_with_double_newline;
-                    return "<li>" + item + "</li>\n";
-                }
-            );
-
-            // attacklab: strip sentinel
-            list_str = list_str.replace(/~0/g, "");
-
-            g_list_level--;
-            return list_str;
-        }
-
-        function _DoCodeBlocks(text) {
-            //
-            //  Process Markdown `<pre><code>` blocks.
-            //  
-
-            /*
-            text = text.replace(/
-                (?:\n\n|^)
-                (                               // $1 = the code block -- one or more lines, starting with a space/tab
-                    (?:
-                        (?:[ ]{4}|\t)           // Lines must start with a tab or a tab-width of spaces - attacklab: g_tab_width
-                        .*\n+
-                    )+
-                )
-                (\n*[ ]{0,3}[^ \t\n]|(?=~0))    // attacklab: g_tab_width
-            /g ,function(){...});
-            */
-
-            // attacklab: sentinel workarounds for lack of \A and \Z, safari\khtml bug
-            text += "~0";
-
-            text = text.replace(/(?:\n\n|^\n?)((?:(?:[ ]{4}|\t).*\n+)+)(\n*[ ]{0,3}[^ \t\n]|(?=~0))/g,
-                function (wholeMatch, m1, m2) {
-                    var codeblock = m1;
-                    var nextChar = m2;
-
-                    codeblock = _EncodeCode(_Outdent(codeblock));
-                    codeblock = _Detab(codeblock);
-                    codeblock = codeblock.replace(/^\n+/g, ""); // trim leading newlines
-                    codeblock = codeblock.replace(/\n+$/g, ""); // trim trailing whitespace
-
-                    codeblock = "<pre><code>" + codeblock + "\n</code></pre>";
-
-                    return "\n\n" + codeblock + "\n\n" + nextChar;
-                }
-            );
-
-            // attacklab: strip sentinel
-            text = text.replace(/~0/, "");
-
-            return text;
-        }
-
-        function hashBlock(text) {
-            text = text.replace(/(^\n+|\n+$)/g, "");
-            return "\n\n~K" + (g_html_blocks.push(text) - 1) + "K\n\n";
-        }
-
-        function _DoCodeSpans(text) {
-            //
-            // * Backtick quotes are used for <code></code> spans.
-            // 
-            // * You can use multiple backticks as the delimiters if you want to
-            //   include literal backticks in the code span. So, this input:
-            //     
-            //      Just type ``foo `bar` baz`` at the prompt.
-            //     
-            //   Will translate to:
-            //     
-            //      <p>Just type <code>foo `bar` baz</code> at the prompt.</p>
-            //     
-            //   There's no arbitrary limit to the number of backticks you
-            //   can use as delimters. If you need three consecutive backticks
-            //   in your code, use four for delimiters, etc.
-            //
-            // * You can use spaces to get literal backticks at the edges:
-            //     
-            //      ... type `` `bar` `` ...
-            //     
-            //   Turns to:
-            //     
-            //      ... type <code>`bar`</code> ...
-            //
-
-            /*
-            text = text.replace(/
-                (^|[^\\])       // Character before opening ` can't be a backslash
-                (`+)            // $2 = Opening run of `
-                (               // $3 = The code block
-                    [^\r]*?
-                    [^`]        // attacklab: work around lack of lookbehind
-                )
-                \2              // Matching closer
-                (?!`)
-            /gm, function(){...});
-            */
-
-            text = text.replace(/(^|[^\\])(`+)([^\r]*?[^`])\2(?!`)/gm,
-                function (wholeMatch, m1, m2, m3, m4) {
-                    var c = m3;
-                    c = c.replace(/^([ \t]*)/g, ""); // leading whitespace
-                    c = c.replace(/[ \t]*$/g, ""); // trailing whitespace
-                    c = _EncodeCode(c);
-                    c = c.replace(/:\/\//g, "~P"); // to prevent auto-linking. Not necessary in code *blocks*, but in code spans. Will be converted back after the auto-linker runs.
-                    return m1 + "<code>" + c + "</code>";
-                }
-            );
-
-            return text;
-        }
-
-        function _EncodeCode(text) {
-            //
-            // Encode/escape certain characters inside Markdown code runs.
-            // The point is that in code, these characters are literals,
-            // and lose their special Markdown meanings.
-            //
-            // Encode all ampersands; HTML entities are not
-            // entities within a Markdown code span.
-            text = text.replace(/&/g, "&amp;");
-
-            // Do the angle bracket song and dance:
-            text = text.replace(/</g, "&lt;");
-            text = text.replace(/>/g, "&gt;");
-
-            // Now, escape characters that are magic in Markdown:
-            text = escapeCharacters(text, "\*_{}[]\\", false);
-
-            // jj the line above breaks this:
-            //---
-
-            //* Item
-
-            //   1. Subitem
-
-            //            special char: *
-            //---
-
-            return text;
-        }
-
-        function _DoItalicsAndBold(text) {
-            // <strong> must go first:
-            text = text.replace(/(\*\*|__)(?=\S)([^\r]*?\S[*_]*)\1/g,
-                    "<strong>$2</strong>");
-
-            text = text.replace(/(\*|_)(?=\S)([^\r]*?\S)\1/g,
-                    "<em>$2</em>");
-
-            return text;
-
-/*
-            // <strong> must go first:
-            text = text.replace(/([\W_]|^)(\*\*|__)(?=\S)([^\r]*?\S[\*_]*)\2([\W_]|$)/g,
-            "$1<strong>$3</strong>$4");
-
-            text = text.replace(/([\W_]|^)(\*|_)(?=\S)([^\r\*_]*?\S)\2([\W_]|$)/g,
-            "$1<em>$3</em>$4");
-
-            return text;
-*/
-        }
-
-        function _DoBlockQuotes(text) {
-
-            /*
-            text = text.replace(/
-                (                           // Wrap whole match in $1
-                    (
-                        ^[ \t]*>[ \t]?      // '>' at the start of a line
-                        .+\n                // rest of the first line
-                        (.+\n)*             // subsequent consecutive lines
-                        \n*                 // blanks
-                    )+
-                )
-            /gm, function(){...});
-            */
-
-            text = text.replace(/((^[ \t]*>[ \t]?.+\n(.+\n)*\n*)+)/gm,
-                function (wholeMatch, m1) {
-                    var bq = m1;
-
-                    // attacklab: hack around Konqueror 3.5.4 bug:
-                    // "----------bug".replace(/^-/g,"") == "bug"
-
-                    bq = bq.replace(/^[ \t]*>[ \t]?/gm, "~0"); // trim one level of quoting
-
-                    // attacklab: clean up hack
-                    bq = bq.replace(/~0/g, "");
-
-                    bq = bq.replace(/^[ \t]+$/gm, "");     // trim whitespace-only lines
-                    bq = _RunBlockGamut(bq);             // recurse
-
-                    bq = bq.replace(/(^|\n)/g, "$1  ");
-                    // These leading spaces screw with <pre> content, so we need to fix that:
-                    bq = bq.replace(
-                            /(\s*<pre>[^\r]+?<\/pre>)/gm,
-                        function (wholeMatch, m1) {
-                            var pre = m1;
-                            // attacklab: hack around Konqueror 3.5.4 bug:
-                            pre = pre.replace(/^  /mg, "~0");
-                            pre = pre.replace(/~0/g, "");
-                            return pre;
-                        });
-
-                    return hashBlock("<blockquote>\n" + bq + "\n</blockquote>");
-                }
-            );
-            return text;
-        }
-
-        function _FormParagraphs(text, doNotUnhash) {
-            //
-            //  Params:
-            //    $text - string to process with html <p> tags
-            //
-
-            // Strip leading and trailing lines:
-            text = text.replace(/^\n+/g, "");
-            text = text.replace(/\n+$/g, "");
-
-            var grafs = text.split(/\n{2,}/g);
-            var grafsOut = [];
-            
-            var markerRe = /~K(\d+)K/;
-
-            //
-            // Wrap <p> tags.
-            //
-            var end = grafs.length;
-            for (var i = 0; i < end; i++) {
-                var str = grafs[i];
-
-                // if this is an HTML marker, copy it
-                if (markerRe.test(str)) {
-                    grafsOut.push(str);
-                }
-                else if (/\S/.test(str)) {
-                    str = _RunSpanGamut(str);
-                    str = str.replace(/^([ \t]*)/g, "<p>");
-                    str += "</p>"
-                    grafsOut.push(str);
-                }
-
-            }
-            //
-            // Unhashify HTML blocks
-            //
-            if (!doNotUnhash) {
-                end = grafsOut.length;
-                for (var i = 0; i < end; i++) {
-                    var foundAny = true;
-                    while (foundAny) { // we may need several runs, since the data may be nested
-                        foundAny = false;
-                        grafsOut[i] = grafsOut[i].replace(/~K(\d+)K/g, function (wholeMatch, id) {
-                            foundAny = true;
-                            return g_html_blocks[id];
-                        });
-                    }
-                }
-            }
-            return grafsOut.join("\n\n");
-        }
-
-        function _EncodeAmpsAndAngles(text) {
-            // Smart processing for ampersands and angle brackets that need to be encoded.
-
-            // Ampersand-encoding based entirely on Nat Irons's Amputator MT plugin:
-            //   http://bumppo.net/projects/amputator/
-            text = text.replace(/&(?!#?[xX]?(?:[0-9a-fA-F]+|\w+);)/g, "&amp;");
-
-            // Encode naked <'s
-            text = text.replace(/<(?![a-z\/?!]|~D)/gi, "&lt;");
-
-            return text;
-        }
-
-        function _EncodeBackslashEscapes(text) {
-            //
-            //   Parameter:  String.
-            //   Returns:    The string, with after processing the following backslash
-            //               escape sequences.
-            //
-
-            // attacklab: The polite way to do this is with the new
-            // escapeCharacters() function:
-            //
-            //     text = escapeCharacters(text,"\\",true);
-            //     text = escapeCharacters(text,"`*_{}[]()>#+-.!",true);
-            //
-            // ...but we're sidestepping its use of the (slow) RegExp constructor
-            // as an optimization for Firefox.  This function gets called a LOT.
-
-            text = text.replace(/\\(\\)/g, escapeCharacters_callback);
-            text = text.replace(/\\([`*_{}\[\]()>#+-.!])/g, escapeCharacters_callback);
-            return text;
-        }
-
-        var charInsideUrl = "[-A-Z0-9+&@#/%?=~_|[\\]()!:,.;]",
-            charEndingUrl = "[-A-Z0-9+&@#/%=~_|[\\])]",
-            autoLinkRegex = new RegExp("(=\"|<)?\\b(https?|ftp)(://" + charInsideUrl + "*" + charEndingUrl + ")(?=$|\\W)", "gi"),
-            endCharRegex = new RegExp(charEndingUrl, "i");
-
-        function handleTrailingParens(wholeMatch, lookbehind, protocol, link) {
-            if (lookbehind)
-                return wholeMatch;
-            if (link.charAt(link.length - 1) !== ")")
-                return "<" + protocol + link + ">";
-            var parens = link.match(/[()]/g);
-            var level = 0;
-            for (var i = 0; i < parens.length; i++) {
-                if (parens[i] === "(") {
-                    if (level <= 0)
-                        level = 1;
-                    else
-                        level++;
-                }
-                else {
-                    level--;
-                }
-            }
-            var tail = "";
-            if (level < 0) {
-                var re = new RegExp("\\){1," + (-level) + "}$");
-                link = link.replace(re, function (trailingParens) {
-                    tail = trailingParens;
-                    return "";
-                });
-            }
-            if (tail) {
-                var lastChar = link.charAt(link.length - 1);
-                if (!endCharRegex.test(lastChar)) {
-                    tail = lastChar + tail;
-                    link = link.substr(0, link.length - 1);
-                }
-            }
-            return "<" + protocol + link + ">" + tail;
-        }
-        
-        function _DoAutoLinks(text) {
-
-            // note that at this point, all other URL in the text are already hyperlinked as <a href=""></a>
-            // *except* for the <http://www.foo.com> case
-
-            // automatically add < and > around unadorned raw hyperlinks
-            // must be preceded by a non-word character (and not by =" or <) and followed by non-word/EOF character
-            // simulating the lookbehind in a consuming way is okay here, since a URL can neither and with a " nor
-            // with a <, so there is no risk of overlapping matches.
-            text = text.replace(autoLinkRegex, handleTrailingParens);
-
-            //  autolink anything like <http://example.com>
-            
-            var replacer = function (wholematch, m1) {
-                var html = "<a href=\"" + m1 + "\">" + pluginHooks.plainLinkText(m1) + "</a>";
-                return "~K" + (g_html_blocks.push(html) - 1) + "K";
-            }
-            text = text.replace(/<((https?|ftp):[^'">\s]+)>/gi, replacer);
-
-            // Email addresses: <address@domain.foo>
-            /*
-            text = text.replace(/
-                <
-                (?:mailto:)?
-                (
-                    [-.\w]+
-                    \@
-                    [-a-z0-9]+(\.[-a-z0-9]+)*\.[a-z]+
-                )
-                >
-            /gi, _DoAutoLinks_callback());
-            */
-
-            /* disabling email autolinking, since we don't do that on the server, either
-            text = text.replace(/<(?:mailto:)?([-.\w]+\@[-a-z0-9]+(\.[-a-z0-9]+)*\.[a-z]+)>/gi,
-                function(wholeMatch,m1) {
-                    return _EncodeEmailAddress( _UnescapeSpecialChars(m1) );
-                }
-            );
-            */
-            return text;
-        }
-
-        function _UnescapeSpecialChars(text) {
-            //
-            // Swap back in all the special characters we've hidden.
-            //
-            text = text.replace(/~E(\d+)E/g,
-                function (wholeMatch, m1) {
-                    var charCodeToReplace = parseInt(m1);
-                    return String.fromCharCode(charCodeToReplace);
-                }
-            );
-            return text;
-        }
-
-        function _Outdent(text) {
-            //
-            // Remove one level of line-leading tabs or spaces
-            //
-
-            // attacklab: hack around Konqueror 3.5.4 bug:
-            // "----------bug".replace(/^-/g,"") == "bug"
-
-            text = text.replace(/^(\t|[ ]{1,4})/gm, "~0"); // attacklab: g_tab_width
-
-            // attacklab: clean up hack
-            text = text.replace(/~0/g, "")
-
-            return text;
-        }
-
-        function _Detab(text) {
-            if (!/\t/.test(text))
-                return text;
-
-            var spaces = ["    ", "   ", "  ", " "],
-            skew = 0,
-            v;
-
-            return text.replace(/[\n\t]/g, function (match, offset) {
-                if (match === "\n") {
-                    skew = offset + 1;
-                    return match;
-                }
-                v = (offset - skew) % 4;
-                skew = offset + 1;
-                return spaces[v];
-            });
-        }
-
-        //
-        //  attacklab: Utility functions
-        //
-
-        var _problemUrlChars = /(?:["'*()[\]:]|~D)/g;
-
-        // hex-encodes some unusual "problem" chars in URLs to avoid URL detection problems 
-        function encodeProblemUrlChars(url) {
-            if (!url)
-                return "";
-
-            var len = url.length;
-
-            return url.replace(_problemUrlChars, function (match, offset) {
-                if (match == "~D") // escape for dollar
-                    return "%24";
-                if (match == ":") {
-                    if (offset == len - 1 || /[0-9\/]/.test(url.charAt(offset + 1)))
-                        return ":"
-                }
-                return "%" + match.charCodeAt(0).toString(16);
-            });
-        }
-
-
-        function escapeCharacters(text, charsToEscape, afterBackslash) {
-            // First we have to escape the escape characters so that
-            // we can build a character class out of them
-            var regexString = "([" + charsToEscape.replace(/([\[\]\\])/g, "\\$1") + "])";
-
-            if (afterBackslash) {
-                regexString = "\\\\" + regexString;
-            }
-
-            var regex = new RegExp(regexString, "g");
-            text = text.replace(regex, escapeCharacters_callback);
-
-            return text;
-        }
-
-
-        function escapeCharacters_callback(wholeMatch, m1) {
-            var charCodeToEscape = m1.charCodeAt(0);
-            return "~E" + charCodeToEscape + "E";
-        }
-
-    }; // end of the Markdown.Converter constructor
-
 })();
 
-
-(function () {
-    var output, Converter;
-    if (typeof exports === "object" && typeof require === "function") { // we're in a CommonJS (e.g. Node.js) module
-        output = exports;
-        Converter = require("./Markdown.Converter").Converter;
-    } else {
-        output = window.Markdown;
-        Converter = output.Converter;
-    }
-        
-    output.getSanitizingConverter = function () {
-        var converter = new Converter();
-        converter.hooks.chain("postConversion", sanitizeHtml);
-        converter.hooks.chain("postConversion", balanceTags);
-        return converter;
-    }
-
-    function sanitizeHtml(html) {
-        return html.replace(/<[^>]*>?/gi, sanitizeTag);
-    }
-
-    // (tags that can be opened/closed) | (tags that stand alone)
-    var basic_tag_whitelist = /^(<\/?(b|blockquote|code|del|dd|dl|dt|em|h1|h2|h3|i|kbd|li|ol|p|pre|s|sup|sub|strong|strike|ul)>|<(br|hr)\s?\/?>)$/i;
-    // <a href="url..." optional title>|</a>
-    var a_white = /^(<a\shref="((https?|ftp):\/\/|\/)[-A-Za-z0-9+&@#\/%?=~_|!:,.;\(\)]+"(\stitle="[^"<>]+")?\s?>|<\/a>)$/i;
-
-    // <img src="url..." optional width  optional height  optional alt  optional title
-    var img_white = /^(<img\ssrc="(https?:\/\/|\/)[-A-Za-z0-9+&@#\/%?=~_|!:,.;\(\)]+"(\swidth="\d{1,3}")?(\sheight="\d{1,3}")?(\salt="[^"<>]*")?(\stitle="[^"<>]*")?\s?\/?>)$/i;
-
-    function sanitizeTag(tag) {
-        if (tag.match(basic_tag_whitelist) || tag.match(a_white) || tag.match(img_white))
-            return tag;
-        else
-            return "";
-    }
-
-    /// <summary>
-    /// attempt to balance HTML tags in the html string
-    /// by removing any unmatched opening or closing tags
-    /// IMPORTANT: we *assume* HTML has *already* been 
-    /// sanitized and is safe/sane before balancing!
-    /// 
-    /// adapted from CODESNIPPET: A8591DBA-D1D3-11DE-947C-BA5556D89593
-    /// </summary>
-    function balanceTags(html) {
-
-        if (html == "")
-            return "";
-
-        var re = /<\/?\w+[^>]*(\s|$|>)/g;
-        // convert everything to lower case; this makes
-        // our case insensitive comparisons easier
-        var tags = html.toLowerCase().match(re);
-
-        // no HTML tags present? nothing to do; exit now
-        var tagcount = (tags || []).length;
-        if (tagcount == 0)
-            return html;
-
-        var tagname, tag;
-        var ignoredtags = "<p><img><br><li><hr>";
-        var match;
-        var tagpaired = [];
-        var tagremove = [];
-        var needsRemoval = false;
-
-        // loop through matched tags in forward order
-        for (var ctag = 0; ctag < tagcount; ctag++) {
-            tagname = tags[ctag].replace(/<\/?(\w+).*/, "$1");
-            // skip any already paired tags
-            // and skip tags in our ignore list; assume they're self-closed
-            if (tagpaired[ctag] || ignoredtags.search("<" + tagname + ">") > -1)
-                continue;
-
-            tag = tags[ctag];
-            match = -1;
-
-            if (!/^<\//.test(tag)) {
-                // this is an opening tag
-                // search forwards (next tags), look for closing tags
-                for (var ntag = ctag + 1; ntag < tagcount; ntag++) {
-                    if (!tagpaired[ntag] && tags[ntag] == "</" + tagname + ">") {
-                        match = ntag;
-                        break;
-                    }
-                }
-            }
-
-            if (match == -1)
-                needsRemoval = tagremove[ctag] = true; // mark for removal
-            else
-                tagpaired[match] = true; // mark paired
-        }
-
-        if (!needsRemoval)
-            return html;
-
-        // delete all orphaned tags from the string
-
-        var ctag = 0;
-        html = html.replace(re, function (match) {
-            var res = tagremove[ctag] ? "" : match;
-            ctag++;
-            return res;
-        });
-        return html;
-    }
-})();
-
-// needs Markdown.Converter.js at the moment
-
 (function () {
 
     var util = {},
@@ -2443,14 +1013,14 @@ else
 
             var prevTime = new Date().getTime();
 
-            text = converter.makeHtml(text);
+            text = converter.makeHtml(text, pushPreviewHtml);
 
             // Calculate the processing time of the HTML creation.
             // It's used as the delay time in the event listener.
             var currTime = new Date().getTime();
             elapsedTime = currTime - prevTime;
 
-            pushPreviewHtml(text);
+            // pushPreviewHtml(text);
         };
 
         // setTimeout is already used.  Used as an event listener.
diff --git a/admin/js/typecho.js b/admin/js/typecho.js
index 0a89c27e..8ade15f3 100644
--- a/admin/js/typecho.js
+++ b/admin/js/typecho.js
@@ -168,6 +168,48 @@
     };
 })($);
 
+(function () {
+
+    Typecho.Markdown = function (url) {
+        this.lastHtml = '';
+        this.lastText = '';
+        this.currentTime = new Date().getTime();
+        this.lock = false;
+        this.first = true;
+        this.cb = null;
+
+        this.hooks = new Markdown.HookCollection()
+        this.hooks.addNoop('postConversion');
+
+        var self = this;
+        setInterval(function () {
+            var currentTime = new Date().getTime();
+
+            if (!self.lock && self.cb && (self.first || currentTime - self.currentTime > 1000)) {
+                self.lock = true;
+                self.first = false;
+
+                $.post(url, {text : self.lastText}, function (html) {
+                    html = self.hooks.postConversion(html);
+                    self.cb(html);
+                    self.cb = null;
+                    self.lastHtml = html;
+                    self.lock = false;
+                }, 'json');
+            }
+        }, 500);
+    };
+
+    Typecho.Markdown.prototype.makeHtml = function (text, pushPreviewHtml) {
+        this.lastText = text;
+        this.currentTime = new Date().getTime();
+        this.cb = pushPreviewHtml;
+
+        return this.lastHtml;
+    };
+
+})();
+
 
 /**
  * TableDnD plug-in for JQuery, allows you to drag and drop table rows
diff --git a/var/MarkdownExtraExtended.php b/var/MarkdownExtraExtended.php
deleted file mode 100644
index 96caad9b..00000000
--- a/var/MarkdownExtraExtended.php
+++ /dev/null
@@ -1,3302 +0,0 @@
-<?php
-
-#
-# Markdown  -  A text-to-HTML conversion tool for web writers
-#
-# PHP Markdown  
-# Copyright (c) 2004-2013 Michel Fortin  
-# <http://michelf.com/projects/php-markdown/>
-#
-# Original Markdown  
-# Copyright (c) 2004-2006 John Gruber  
-# <http://daringfireball.net/projects/markdown/>
-#
-
-#
-# Markdown Parser Class
-#
-
-class Markdown {
-
-	### Version ###
-
-	const  MARKDOWNLIB_VERSION  =  "1.3";	
-
-	### Configuration Variables ###
-
-	# Change to ">" for HTML output.
-	public $empty_element_suffix = " />";
-	public $tab_width = 4;
-	
-	# Change to `true` to disallow markup or entities.
-	public $no_markup = false;
-	public $no_entities = false;
-	
-	# Predefined urls and titles for reference links and images.
-	public $predef_urls = array();
-	public $predef_titles = array();
-
-
-	### Parser Implementation ###
-
-	# Regex to match balanced [brackets].
-	# Needed to insert a maximum bracked depth while converting to PHP.
-	protected $nested_brackets_depth = 6;
-	protected $nested_brackets_re;
-	
-	protected $nested_url_parenthesis_depth = 4;
-	protected $nested_url_parenthesis_re;
-
-	# Table of hash values for escaped characters:
-	protected $escape_chars = '\`*_{}[]()>#+-.!';
-	protected $escape_chars_re;
-
-
-	public function __construct() {
-	#
-	# Constructor function. Initialize appropriate member variables.
-	#
-		$this->_initDetab();
-		$this->prepareItalicsAndBold();
-	
-		$this->nested_brackets_re = 
-			str_repeat('(?>[^\[\]]+|\[', $this->nested_brackets_depth).
-			str_repeat('\])*', $this->nested_brackets_depth);
-	
-		$this->nested_url_parenthesis_re = 
-			str_repeat('(?>[^()\s]+|\(', $this->nested_url_parenthesis_depth).
-			str_repeat('(?>\)))*', $this->nested_url_parenthesis_depth);
-		
-		$this->escape_chars_re = '['.preg_quote($this->escape_chars).']';
-		
-		# Sort document, block, and span gamut in ascendent priority order.
-		asort($this->document_gamut);
-		asort($this->block_gamut);
-		asort($this->span_gamut);
-	}
-
-
-	# Internal hashes used during transformation.
-	protected $urls = array();
-	protected $titles = array();
-	protected $html_hashes = array();
-	
-	# Status flag to avoid invalid nesting.
-	protected $in_anchor = false;
-	
-	
-	protected function setup() {
-	#
-	# Called before the transformation process starts to setup parser 
-	# states.
-	#
-		# Clear global hashes.
-		$this->urls = $this->predef_urls;
-		$this->titles = $this->predef_titles;
-		$this->html_hashes = array();
-		
-		$this->in_anchor = false;
-	}
-	
-	protected function teardown() {
-	#
-	# Called after the transformation process to clear any variable 
-	# which may be taking up memory unnecessarly.
-	#
-		$this->urls = array();
-		$this->titles = array();
-		$this->html_hashes = array();
-	}
-
-
-	public function transform($text) {
-	#
-	# Main function. Performs some preprocessing on the input text
-	# and pass it through the document gamut.
-	#
-		$this->setup();
-	
-		# Remove UTF-8 BOM and marker character in input, if present.
-		$text = preg_replace('{^\xEF\xBB\xBF|\x1A}', '', $text);
-
-		# Standardize line endings:
-		#   DOS to Unix and Mac to Unix
-		$text = preg_replace('{\r\n?}', "\n", $text);
-
-		# Make sure $text ends with a couple of newlines:
-		$text .= "\n\n";
-
-		# Convert all tabs to spaces.
-		$text = $this->detab($text);
-
-		# Turn block-level HTML blocks into hash entries
-		$text = $this->hashHTMLBlocks($text);
-
-		# Strip any lines consisting only of spaces and tabs.
-		# This makes subsequent regexen easier to write, because we can
-		# match consecutive blank lines with /\n+/ instead of something
-		# contorted like /[ ]*\n+/ .
-		$text = preg_replace('/^[ ]+$/m', '', $text);
-
-		# Run document gamut methods.
-		foreach ($this->document_gamut as $method => $priority) {
-			$text = $this->$method($text);
-		}
-		
-		$this->teardown();
-
-        $text = preg_replace_callback("/<\/?(\!doctype|html|head|body|link|title|input|select|button|textarea|style|noscript)[^>]*>/is", 
-            array($this, '_doEscape_callback'), $text);
-
-		return $text . "\n";
-	}
-
-    /**
-     * _doEscape_callback  
-     * 
-     * @param array $matches 
-     * @access protected
-     * @return string
-     */
-    protected function _doEscape_callback($matches) {
-        return htmlspecialchars($matches[0], ENT_NOQUOTES);
-    }
-	
-	protected $document_gamut = array(
-		# Strip link definitions, store in hashes.
-		"stripLinkDefinitions" => 20,
-		
-		"runBasicBlockGamut"   => 30,
-		);
-
-
-	protected function stripLinkDefinitions($text) {
-	#
-	# Strips link definitions from text, stores the URLs and titles in
-	# hash references.
-	#
-		$less_than_tab = $this->tab_width - 1;
-
-		# Link defs are in the form: ^[id]: url "optional title"
-		$text = preg_replace_callback('{
-							^[ ]{0,'.$less_than_tab.'}\[(.+)\][ ]?:	# id = $1
-							  [ ]*
-							  \n?				# maybe *one* newline
-							  [ ]*
-							(?:
-							  <(.+?)>			# url = $2
-							|
-							  (\S+?)			# url = $3
-							)
-							  [ ]*
-							  \n?				# maybe one newline
-							  [ ]*
-							(?:
-								(?<=\s)			# lookbehind for whitespace
-								["(]
-								(.*?)			# title = $4
-								[")]
-								[ ]*
-							)?	# title is optional
-							(?:\n+|\Z)
-			}xm',
-			array($this, '_stripLinkDefinitions_callback'),
-			$text);
-		return $text;
-	}
-	protected function _stripLinkDefinitions_callback($matches) {
-		$link_id = strtolower($matches[1]);
-		$url = $matches[2] == '' ? $matches[3] : $matches[2];
-		$this->urls[$link_id] = $url;
-		$this->titles[$link_id] =& $matches[4];
-		return ''; # String that will replace the block
-	}
-
-
-	protected function hashHTMLBlocks($text) {
-		if ($this->no_markup)  return $text;
-
-		$less_than_tab = $this->tab_width - 1;
-
-		# Hashify HTML blocks:
-		# We only want to do this for block-level HTML tags, such as headers,
-		# lists, and tables. That's because we still want to wrap <p>s around
-		# "paragraphs" that are wrapped in non-block-level tags, such as anchors,
-		# phrase emphasis, and spans. The list of tags we're looking for is
-		# hard-coded:
-		#
-		# *  List "a" is made of tags which can be both inline or block-level.
-		#    These will be treated block-level when the start tag is alone on 
-		#    its line, otherwise they're not matched here and will be taken as 
-		#    inline later.
-		# *  List "b" is made of tags which are always block-level;
-		#
-		$block_tags_a_re = 'ins|del';
-		$block_tags_b_re = 'p|div|h[1-6]|blockquote|pre|table|dl|ol|ul|address|'.
-						   'script|noscript|form|fieldset|iframe|math|svg|'.
-						   'article|section|nav|aside|hgroup|header|footer|'.
-						   'figure';
-
-		# Regular expression for the content of a block tag.
-		$nested_tags_level = 4;
-		$attr = '
-			(?>				# optional tag attributes
-			  \s			# starts with whitespace
-			  (?>
-				[^>"/]+		# text outside quotes
-			  |
-				/+(?!>)		# slash not followed by ">"
-			  |
-				"[^"]*"		# text inside double quotes (tolerate ">")
-			  |
-				\'[^\']*\'	# text inside single quotes (tolerate ">")
-			  )*
-			)?	
-			';
-		$content =
-			str_repeat('
-				(?>
-				  [^<]+			# content without tag
-				|
-				  <\2			# nested opening tag
-					'.$attr.'	# attributes
-					(?>
-					  />
-					|
-					  >', $nested_tags_level).	# end of opening tag
-					  '.*?'.					# last level nested tag content
-			str_repeat('
-					  </\2\s*>	# closing nested tag
-					)
-				  |				
-					<(?!/\2\s*>	# other tags with a different name
-				  )
-				)*',
-				$nested_tags_level);
-		$content2 = str_replace('\2', '\3', $content);
-
-		# First, look for nested blocks, e.g.:
-		# 	<div>
-		# 		<div>
-		# 		tags for inner block must be indented.
-		# 		</div>
-		# 	</div>
-		#
-		# The outermost tags must start at the left margin for this to match, and
-		# the inner nested divs must be indented.
-		# We need to do this before the next, more liberal match, because the next
-		# match will start at the first `<div>` and stop at the first `</div>`.
-		$text = preg_replace_callback('{(?>
-			(?>
-				(?<=\n\n)		# Starting after a blank line
-				|				# or
-				\A\n?			# the beginning of the doc
-			)
-			(						# save in $1
-
-			  # Match from `\n<tag>` to `</tag>\n`, handling nested tags 
-			  # in between.
-					
-						[ ]{0,'.$less_than_tab.'}
-						<('.$block_tags_b_re.')# start tag = $2
-						'.$attr.'>			# attributes followed by > and \n
-						'.$content.'		# content, support nesting
-						</\2>				# the matching end tag
-						[ ]*				# trailing spaces/tabs
-						(?=\n+|\Z)	# followed by a newline or end of document
-
-			| # Special version for tags of group a.
-
-						[ ]{0,'.$less_than_tab.'}
-						<('.$block_tags_a_re.')# start tag = $3
-						'.$attr.'>[ ]*\n	# attributes followed by >
-						'.$content2.'		# content, support nesting
-						</\3>				# the matching end tag
-						[ ]*				# trailing spaces/tabs
-						(?=\n+|\Z)	# followed by a newline or end of document
-					
-			| # Special case just for <hr />. It was easier to make a special 
-			  # case than to make the other regex more complicated.
-			
-						[ ]{0,'.$less_than_tab.'}
-						<(hr)				# start tag = $2
-						'.$attr.'			# attributes
-						/?>					# the matching end tag
-						[ ]*
-						(?=\n{2,}|\Z)		# followed by a blank line or end of document
-			
-			| # Special case for standalone HTML comments:
-			
-					[ ]{0,'.$less_than_tab.'}
-					(?s:
-						<!-- .*? -->
-					)
-					[ ]*
-					(?=\n{2,}|\Z)		# followed by a blank line or end of document
-			
-			| # PHP and ASP-style processor instructions (<? and <%)
-			
-					[ ]{0,'.$less_than_tab.'}
-					(?s:
-						<([?%])			# $2
-						.*?
-						\2>
-					)
-					[ ]*
-					(?=\n{2,}|\Z)		# followed by a blank line or end of document
-					
-			)
-			)}Sxmi',
-			array($this, '_hashHTMLBlocks_callback'),
-			$text);
-
-		return $text;
-	}
-	protected function _hashHTMLBlocks_callback($matches) {
-		$text = $matches[1];
-		return $this->hashBlock($text);
-		// return "\n\n$key\n\n";
-	}
-	
-	
-	protected function hashPart($text, $boundary = 'X') {
-	#
-	# Called whenever a tag must be hashed when a function insert an atomic 
-	# element in the text stream. Passing $text to through this function gives
-	# a unique text-token which will be reverted back when calling unhash.
-	#
-	# The $boundary argument specify what character should be used to surround
-	# the token. By convension, "B" is used for block elements that needs not
-	# to be wrapped into paragraph tags at the end, ":" is used for elements
-	# that are word separators and "X" is used in the general case.
-	#
-		# Swap back any tag hash found in $text so we do not have to `unhash`
-		# multiple times at the end.
-		$text = $this->unhash($text);
-		
-		# Then hash the block.
-		static $i = 0;
-		$key = "$boundary\x1A" . ++$i . $boundary;
-		$this->html_hashes[$key] = $text;
-		return $key; # String that will replace the tag.
-	}
-
-
-	protected function hashBlock($text) {
-	#
-	# Shortcut function for hashPart with block-level boundaries.
-	#
-		return $this->hashPart($text, 'B');
-	}
-
-
-	protected $block_gamut = array(
-	#
-	# These are all the transformations that form block-level
-	# tags like paragraphs, headers, and list items.
-	#
-		"doHeaders"         => 10,
-		"doHorizontalRules" => 20,
-		
-		"doLists"           => 40,
-		"doCodeBlocks"      => 50,
-		"doBlockQuotes"     => 60,
-		);
-
-	protected function runBlockGamut($text) {
-	#
-	# Run block gamut tranformations.
-	#
-		# We need to escape raw HTML in Markdown source before doing anything 
-		# else. This need to be done for each block, and not only at the 
-		# begining in the Markdown function since hashed blocks can be part of
-		# list items and could have been indented. Indented blocks would have 
-		# been seen as a code block in a previous pass of hashHTMLBlocks.
-		$text = $this->hashHTMLBlocks($text);
-		
-		return $this->runBasicBlockGamut($text);
-	}
-	
-	protected function runBasicBlockGamut($text) {
-	#
-	# Run block gamut tranformations, without hashing HTML blocks. This is 
-	# useful when HTML blocks are known to be already hashed, like in the first
-	# whole-document pass.
-	#
-		foreach ($this->block_gamut as $method => $priority) {
-			$text = $this->$method($text);
-		}
-		
-		# Finally form paragraph and restore hashed blocks.
-		$text = $this->formParagraphs($text);
-
-		return $text;
-	}
-	
-	
-	protected function doHorizontalRules($text) {
-		# Do Horizontal Rules:
-		return preg_replace(
-			'{
-				^[ ]{0,3}	# Leading space
-				([-*_])		# $1: First marker
-				(?>			# Repeated marker group
-					[ ]{0,2}	# Zero, one, or two spaces.
-					\1			# Marker character
-				){2,}		# Group repeated at least twice
-				[ ]*		# Tailing spaces
-				$			# End of line.
-			}mx',
-			"\n".$this->hashBlock("<hr$this->empty_element_suffix")."\n", 
-			$text);
-	}
-
-
-	protected $span_gamut = array(
-	#
-	# These are all the transformations that occur *within* block-level
-	# tags like paragraphs, headers, and list items.
-	#
-		# Process character escapes, code spans, and inline HTML
-		# in one shot.
-		"parseSpan"           => -30,
-
-		# Process anchor and image tags. Images must come first,
-		# because ![foo][f] looks like an anchor.
-		"doImages"            =>  10,
-		"doAnchors"           =>  20,
-		
-		# Make links out of things like `<http://example.com/>`
-		# Must come after doAnchors, because you can use < and >
-		# delimiters in inline links like [this](<url>).
-		"doAutoLinks"         =>  30,
-		"encodeAmpsAndAngles" =>  40,
-
-		"doItalicsAndBold"    =>  50,
-		"doHardBreaks"        =>  60,
-		);
-
-	protected function runSpanGamut($text) {
-	#
-	# Run span gamut tranformations.
-	#
-		foreach ($this->span_gamut as $method => $priority) {
-			$text = $this->$method($text);
-		}
-
-		return $text;
-	}
-	
-	
-	protected function doHardBreaks($text) {
-		# Do hard breaks:
-		return preg_replace_callback('/ {2,}\n/', 
-			array($this, '_doHardBreaks_callback'), $text);
-	}
-	protected function _doHardBreaks_callback($matches) {
-		return $this->hashPart("<br$this->empty_element_suffix\n");
-	}
-
-
-	protected function doAnchors($text) {
-	#
-	# Turn Markdown link shortcuts into XHTML <a> tags.
-	#
-		if ($this->in_anchor) return $text;
-		$this->in_anchor = true;
-		
-		#
-		# First, handle reference-style links: [link text] [id]
-		#
-		$text = preg_replace_callback('{
-			(					# wrap whole match in $1
-			  \[
-				('.$this->nested_brackets_re.')	# link text = $2
-			  \]
-
-			  [ ]?				# one optional space
-			  (?:\n[ ]*)?		# one optional newline followed by spaces
-
-			  \[
-				(.*?)		# id = $3
-			  \]
-			)
-			}xs',
-			array($this, '_doAnchors_reference_callback'), $text);
-
-		#
-		# Next, inline-style links: [link text](url "optional title")
-		#
-		$text = preg_replace_callback('{
-			(				# wrap whole match in $1
-			  \[
-				('.$this->nested_brackets_re.')	# link text = $2
-			  \]
-			  \(			# literal paren
-				[ \n]*
-				(?:
-					<(.+?)>	# href = $3
-				|
-					('.$this->nested_url_parenthesis_re.')	# href = $4
-				)
-				[ \n]*
-				(			# $5
-				  ([\'"])	# quote char = $6
-				  (.*?)		# Title = $7
-				  \6		# matching quote
-				  [ \n]*	# ignore any spaces/tabs between closing quote and )
-				)?			# title is optional
-			  \)
-			)
-			}xs',
-			array($this, '_doAnchors_inline_callback'), $text);
-
-		#
-		# Last, handle reference-style shortcuts: [link text]
-		# These must come last in case you've also got [link text][1]
-		# or [link text](/foo)
-		#
-		$text = preg_replace_callback('{
-			(					# wrap whole match in $1
-			  \[
-				([^\[\]]+)		# link text = $2; can\'t contain [ or ]
-			  \]
-			)
-			}xs',
-			array($this, '_doAnchors_reference_callback'), $text);
-
-		$this->in_anchor = false;
-		return $text;
-	}
-	protected function _doAnchors_reference_callback($matches) {
-		$whole_match =  $matches[1];
-		$link_text   =  $matches[2];
-		$link_id     =& $matches[3];
-
-		if ($link_id == "") {
-			# for shortcut links like [this][] or [this].
-			$link_id = $link_text;
-		}
-		
-		# lower-case and turn embedded newlines into spaces
-		$link_id = strtolower($link_id);
-		$link_id = preg_replace('{[ ]?\n}', ' ', $link_id);
-
-		if (isset($this->urls[$link_id])) {
-			$url = $this->urls[$link_id];
-			$url = $this->encodeAttribute($url);
-			
-			$result = "<a href=\"$url\"";
-			if ( isset( $this->titles[$link_id] ) ) {
-				$title = $this->titles[$link_id];
-				$title = $this->encodeAttribute($title);
-				$result .=  " title=\"$title\"";
-			}
-		
-			$link_text = $this->runSpanGamut($link_text);
-			$result .= ">$link_text</a>";
-			$result = $this->hashPart($result);
-		}
-		else {
-			$result = $whole_match;
-		}
-		return $result;
-	}
-	protected function _doAnchors_inline_callback($matches) {
-		$whole_match	=  $matches[1];
-		$link_text		=  $this->runSpanGamut($matches[2]);
-		$url			=  $matches[3] == '' ? $matches[4] : $matches[3];
-		$title			=& $matches[7];
-
-		$url = $this->encodeAttribute($url);
-
-		$result = "<a href=\"$url\"";
-		if (isset($title)) {
-			$title = $this->encodeAttribute($title);
-			$result .=  " title=\"$title\"";
-		}
-		
-		$link_text = $this->runSpanGamut($link_text);
-		$result .= ">$link_text</a>";
-
-		return $this->hashPart($result);
-	}
-
-
-	protected function doImages($text) {
-	#
-	# Turn Markdown image shortcuts into <img> tags.
-	#
-		#
-		# First, handle reference-style labeled images: ![alt text][id]
-		#
-		$text = preg_replace_callback('{
-			(				# wrap whole match in $1
-			  !\[
-				('.$this->nested_brackets_re.')		# alt text = $2
-			  \]
-
-			  [ ]?				# one optional space
-			  (?:\n[ ]*)?		# one optional newline followed by spaces
-
-			  \[
-				(.*?)		# id = $3
-			  \]
-
-			)
-			}xs', 
-			array($this, '_doImages_reference_callback'), $text);
-
-		#
-		# Next, handle inline images:  ![alt text](url "optional title")
-		# Don't forget: encode * and _
-		#
-		$text = preg_replace_callback('{
-			(				# wrap whole match in $1
-			  !\[
-				('.$this->nested_brackets_re.')		# alt text = $2
-			  \]
-			  \s?			# One optional whitespace character
-			  \(			# literal paren
-				[ \n]*
-				(?:
-					<(\S*)>	# src url = $3
-				|
-					('.$this->nested_url_parenthesis_re.')	# src url = $4
-				)
-				[ \n]*
-				(			# $5
-				  ([\'"])	# quote char = $6
-				  (.*?)		# title = $7
-				  \6		# matching quote
-				  [ \n]*
-				)?			# title is optional
-			  \)
-			)
-			}xs',
-			array($this, '_doImages_inline_callback'), $text);
-
-		return $text;
-	}
-	protected function _doImages_reference_callback($matches) {
-		$whole_match = $matches[1];
-		$alt_text    = $matches[2];
-		$link_id     = strtolower($matches[3]);
-
-		if ($link_id == "") {
-			$link_id = strtolower($alt_text); # for shortcut links like ![this][].
-		}
-
-		$alt_text = $this->encodeAttribute($alt_text);
-		if (isset($this->urls[$link_id])) {
-			$url = $this->encodeAttribute($this->urls[$link_id]);
-			$result = "<img src=\"$url\" alt=\"$alt_text\"";
-			if (isset($this->titles[$link_id])) {
-				$title = $this->titles[$link_id];
-				$title = $this->encodeAttribute($title);
-				$result .=  " title=\"$title\"";
-			}
-			$result .= $this->empty_element_suffix;
-			$result = $this->hashPart($result);
-		}
-		else {
-			# If there's no such link ID, leave intact:
-			$result = $whole_match;
-		}
-
-		return $result;
-	}
-	protected function _doImages_inline_callback($matches) {
-		$whole_match	= $matches[1];
-		$alt_text		= $matches[2];
-		$url			= $matches[3] == '' ? $matches[4] : $matches[3];
-		$title			=& $matches[7];
-
-		$alt_text = $this->encodeAttribute($alt_text);
-		$url = $this->encodeAttribute($url);
-		$result = "<img src=\"$url\" alt=\"$alt_text\"";
-		if (isset($title)) {
-			$title = $this->encodeAttribute($title);
-			$result .=  " title=\"$title\""; # $title already quoted
-		}
-		$result .= $this->empty_element_suffix;
-
-		return $this->hashPart($result);
-	}
-
-
-	protected function doHeaders($text) {
-		# Setext-style headers:
-		#	  Header 1
-		#	  ========
-		#  
-		#	  Header 2
-		#	  --------
-		#
-		$text = preg_replace_callback('{ ^(.+?)[ ]*\n(=+|-+)[ ]*\n+ }mx',
-			array($this, '_doHeaders_callback_setext'), $text);
-
-		# atx-style headers:
-		#	# Header 1
-		#	## Header 2
-		#	## Header 2 with closing hashes ##
-		#	...
-		#	###### Header 6
-		#
-		$text = preg_replace_callback('{
-				^(\#{1,6})	# $1 = string of #\'s
-				[ ]*
-				(.+?)		# $2 = Header text
-				[ ]*
-				\#*			# optional closing #\'s (not counted)
-				\n+
-			}xm',
-			array($this, '_doHeaders_callback_atx'), $text);
-
-		return $text;
-	}
-	protected function _doHeaders_callback_setext($matches) {
-		# Terrible hack to check we haven't found an empty list item.
-		if ($matches[2] == '-' && preg_match('{^-(?: |$)}', $matches[1]))
-			return $matches[0];
-		
-		$level = $matches[2]{0} == '=' ? 1 : 2;
-		$block = "<h$level>".$this->runSpanGamut($matches[1])."</h$level>";
-		return "\n" . $this->hashBlock($block) . "\n\n";
-	}
-	protected function _doHeaders_callback_atx($matches) {
-		$level = strlen($matches[1]);
-		$block = "<h$level>".$this->runSpanGamut($matches[2])."</h$level>";
-		return "\n" . $this->hashBlock($block) . "\n\n";
-	}
-
-
-	protected function doLists($text) {
-	#
-	# Form HTML ordered (numbered) and unordered (bulleted) lists.
-	#
-		$less_than_tab = $this->tab_width - 1;
-
-		# Re-usable patterns to match list item bullets and number markers:
-		$marker_ul_re  = '[*+-]';
-		$marker_ol_re  = '\d+[\.]';
-		$marker_any_re = "(?:$marker_ul_re|$marker_ol_re)";
-
-		$markers_relist = array(
-			$marker_ul_re => $marker_ol_re,
-			$marker_ol_re => $marker_ul_re,
-			);
-
-		foreach ($markers_relist as $marker_re => $other_marker_re) {
-			# Re-usable pattern to match any entirel ul or ol list:
-			$whole_list_re = '
-				(								# $1 = whole list
-				  (								# $2
-					([ ]{0,'.$less_than_tab.'})	# $3 = number of spaces
-					('.$marker_re.')			# $4 = first list item marker
-					[ ]+
-				  )
-				  (?s:.+?)
-				  (								# $5
-					  \z
-					|
-					  \n{2,}
-					  (?=\S)
-					  (?!						# Negative lookahead for another list item marker
-						[ ]*
-						'.$marker_re.'[ ]+
-					  )
-					|
-					  (?=						# Lookahead for another kind of list
-					    \n
-						\3						# Must have the same indentation
-						'.$other_marker_re.'[ ]+
-					  )
-				  )
-				)
-			'; // mx
-			
-			# We use a different prefix before nested lists than top-level lists.
-			# See extended comment in _ProcessListItems().
-		
-			if ($this->list_level) {
-				$text = preg_replace_callback('{
-						^
-						'.$whole_list_re.'
-					}mx',
-					array($this, '_doLists_callback'), $text);
-			}
-			else {
-				$text = preg_replace_callback('{
-						(?:(?<=\n)\n?|\A\n?) # Must eat the newline
-						'.$whole_list_re.'
-					}mx',
-					array($this, '_doLists_callback'), $text);
-			}
-		}
-
-		return $text;
-	}
-	protected function _doLists_callback($matches) {
-		# Re-usable patterns to match list item bullets and number markers:
-		$marker_ul_re  = '[*+-]';
-		$marker_ol_re  = '\d+[\.]';
-		$marker_any_re = "(?:$marker_ul_re|$marker_ol_re)";
-		
-		$list = $matches[1];
-		$list_type = preg_match("/$marker_ul_re/", $matches[4]) ? "ul" : "ol";
-		
-		$marker_any_re = ( $list_type == "ul" ? $marker_ul_re : $marker_ol_re );
-		
-		$list .= "\n";
-		$result = $this->processListItems($list, $marker_any_re);
-		
-		$result = $this->hashBlock("<$list_type>\n" . $result . "</$list_type>");
-		return "\n". $result ."\n\n";
-	}
-
-	protected $list_level = 0;
-
-	protected function processListItems($list_str, $marker_any_re) {
-	#
-	#	Process the contents of a single ordered or unordered list, splitting it
-	#	into individual list items.
-	#
-		# The $this->list_level global keeps track of when we're inside a list.
-		# Each time we enter a list, we increment it; when we leave a list,
-		# we decrement. If it's zero, we're not in a list anymore.
-		#
-		# We do this because when we're not inside a list, we want to treat
-		# something like this:
-		#
-		#		I recommend upgrading to version
-		#		8. Oops, now this line is treated
-		#		as a sub-list.
-		#
-		# As a single paragraph, despite the fact that the second line starts
-		# with a digit-period-space sequence.
-		#
-		# Whereas when we're inside a list (or sub-list), that line will be
-		# treated as the start of a sub-list. What a kludge, huh? This is
-		# an aspect of Markdown's syntax that's hard to parse perfectly
-		# without resorting to mind-reading. Perhaps the solution is to
-		# change the syntax rules such that sub-lists must start with a
-		# starting cardinal number; e.g. "1." or "a.".
-		
-		$this->list_level++;
-
-		# trim trailing blank lines:
-		$list_str = preg_replace("/\n{2,}\\z/", "\n", $list_str);
-
-		$list_str = preg_replace_callback('{
-			(\n)?							# leading line = $1
-			(^[ ]*)							# leading whitespace = $2
-			('.$marker_any_re.'				# list marker and space = $3
-				(?:[ ]+|(?=\n))	# space only required if item is not empty
-			)
-			((?s:.*?))						# list item text   = $4
-			(?:(\n+(?=\n))|\n)				# tailing blank line = $5
-			(?= \n* (\z | \2 ('.$marker_any_re.') (?:[ ]+|(?=\n))))
-			}xm',
-			array($this, '_processListItems_callback'), $list_str);
-
-		$this->list_level--;
-		return $list_str;
-	}
-	protected function _processListItems_callback($matches) {
-		$item = $matches[4];
-		$leading_line =& $matches[1];
-		$leading_space =& $matches[2];
-		$marker_space = $matches[3];
-		$tailing_blank_line =& $matches[5];
-
-		if ($leading_line || $tailing_blank_line || 
-			preg_match('/\n{2,}/', $item))
-		{
-			# Replace marker with the appropriate whitespace indentation
-			$item = $leading_space . str_repeat(' ', strlen($marker_space)) . $item;
-			$item = $this->runBlockGamut($this->outdent($item)."\n");
-		}
-		else {
-			# Recursion for sub-lists:
-			$item = $this->doLists($this->outdent($item));
-			$item = preg_replace('/\n+$/', '', $item);
-			$item = $this->runSpanGamut($item);
-		}
-
-		return "<li>" . $item . "</li>\n";
-	}
-
-
-	protected function doCodeBlocks($text) {
-	#
-	#	Process Markdown `<pre><code>` blocks.
-	#
-		$text = preg_replace_callback('{
-				(?:\n\n|\A\n?)
-				(	            # $1 = the code block -- one or more lines, starting with a space/tab
-				  (?>
-					[ ]{'.$this->tab_width.'}  # Lines must start with a tab or a tab-width of spaces
-					.*\n+
-				  )+
-				)
-				((?=^[ ]{0,'.$this->tab_width.'}\S)|\Z)	# Lookahead for non-space at line-start, or end of doc
-			}xm',
-			array($this, '_doCodeBlocks_callback'), $text);
-
-		return $text;
-	}
-	protected function _doCodeBlocks_callback($matches) {
-		$codeblock = $this->unhash($matches[1]);
-
-		$codeblock = $this->outdent($codeblock);
-		$codeblock = htmlspecialchars($codeblock, ENT_NOQUOTES);
-
-		# trim leading newlines and trailing newlines
-		$codeblock = preg_replace('/\A\n+|\n+\z/', '', $codeblock);
-
-		$codeblock = "<pre><code>$codeblock\n</code></pre>";
-		return "\n\n".$this->hashBlock($codeblock)."\n\n";
-	}
-
-
-	protected function makeCodeSpan($code) {
-	#
-	# Create a code span markup for $code. Called from handleSpanToken.
-	#
-		$code = htmlspecialchars(trim($code), ENT_NOQUOTES);
-		return $this->hashPart("<code>$code</code>");
-	}
-
-
-	protected $em_relist = array(
-		''  => '(?:(?<!\*)\*(?!\*)|(?<!_)_(?!_))(?=\S|$)(?![\.,:;]\s)',
-		'*' => '(?<=\S|^)(?<!\*)\*(?!\*)',
-		'_' => '(?<=\S|^)(?<!_)_(?!_)',
-		);
-	protected $strong_relist = array(
-		''   => '(?:(?<!\*)\*\*(?!\*)|(?<!_)__(?!_))(?=\S|$)(?![\.,:;]\s)',
-		'**' => '(?<=\S|^)(?<!\*)\*\*(?!\*)',
-		'__' => '(?<=\S|^)(?<!_)__(?!_)',
-		);
-	protected $em_strong_relist = array(
-		''    => '(?:(?<!\*)\*\*\*(?!\*)|(?<!_)___(?!_))(?=\S|$)(?![\.,:;]\s)',
-		'***' => '(?<=\S|^)(?<!\*)\*\*\*(?!\*)',
-		'___' => '(?<=\S|^)(?<!_)___(?!_)',
-		);
-	protected $em_strong_prepared_relist;
-	
-	protected function prepareItalicsAndBold() {
-	#
-	# Prepare regular expressions for searching emphasis tokens in any
-	# context.
-	#
-		foreach ($this->em_relist as $em => $em_re) {
-			foreach ($this->strong_relist as $strong => $strong_re) {
-				# Construct list of allowed token expressions.
-				$token_relist = array();
-				if (isset($this->em_strong_relist["$em$strong"])) {
-					$token_relist[] = $this->em_strong_relist["$em$strong"];
-				}
-				$token_relist[] = $em_re;
-				$token_relist[] = $strong_re;
-				
-				# Construct master expression from list.
-				$token_re = '{('. implode('|', $token_relist) .')}';
-				$this->em_strong_prepared_relist["$em$strong"] = $token_re;
-			}
-		}
-	}
-	
-	protected function doItalicsAndBold($text) {
-		$token_stack = array('');
-		$text_stack = array('');
-		$em = '';
-		$strong = '';
-		$tree_char_em = false;
-		
-		while (1) {
-			#
-			# Get prepared regular expression for seraching emphasis tokens
-			# in current context.
-			#
-			$token_re = $this->em_strong_prepared_relist["$em$strong"];
-			
-			#
-			# Each loop iteration search for the next emphasis token. 
-			# Each token is then passed to handleSpanToken.
-			#
-			$parts = preg_split($token_re, $text, 2, PREG_SPLIT_DELIM_CAPTURE);
-			$text_stack[0] .= $parts[0];
-			$token =& $parts[1];
-			$text =& $parts[2];
-			
-			if (empty($token)) {
-				# Reached end of text span: empty stack without emitting.
-				# any more emphasis.
-				while ($token_stack[0]) {
-					$text_stack[1] .= array_shift($token_stack);
-					$text_stack[0] .= array_shift($text_stack);
-				}
-				break;
-			}
-			
-			$token_len = strlen($token);
-			if ($tree_char_em) {
-				# Reached closing marker while inside a three-char emphasis.
-				if ($token_len == 3) {
-					# Three-char closing marker, close em and strong.
-					array_shift($token_stack);
-					$span = array_shift($text_stack);
-					$span = $this->runSpanGamut($span);
-					$span = "<strong><em>$span</em></strong>";
-					$text_stack[0] .= $this->hashPart($span);
-					$em = '';
-					$strong = '';
-				} else {
-					# Other closing marker: close one em or strong and
-					# change current token state to match the other
-					$token_stack[0] = str_repeat($token{0}, 3-$token_len);
-					$tag = $token_len == 2 ? "strong" : "em";
-					$span = $text_stack[0];
-					$span = $this->runSpanGamut($span);
-					$span = "<$tag>$span</$tag>";
-					$text_stack[0] = $this->hashPart($span);
-					$$tag = ''; # $$tag stands for $em or $strong
-				}
-				$tree_char_em = false;
-			} else if ($token_len == 3) {
-				if ($em) {
-					# Reached closing marker for both em and strong.
-					# Closing strong marker:
-					for ($i = 0; $i < 2; ++$i) {
-						$shifted_token = array_shift($token_stack);
-						$tag = strlen($shifted_token) == 2 ? "strong" : "em";
-						$span = array_shift($text_stack);
-						$span = $this->runSpanGamut($span);
-						$span = "<$tag>$span</$tag>";
-						$text_stack[0] .= $this->hashPart($span);
-						$$tag = ''; # $$tag stands for $em or $strong
-					}
-				} else {
-					# Reached opening three-char emphasis marker. Push on token 
-					# stack; will be handled by the special condition above.
-					$em = $token{0};
-					$strong = "$em$em";
-					array_unshift($token_stack, $token);
-					array_unshift($text_stack, '');
-					$tree_char_em = true;
-				}
-			} else if ($token_len == 2) {
-				if ($strong) {
-					# Unwind any dangling emphasis marker:
-					if (strlen($token_stack[0]) == 1) {
-						$text_stack[1] .= array_shift($token_stack);
-						$text_stack[0] .= array_shift($text_stack);
-					}
-					# Closing strong marker:
-					array_shift($token_stack);
-					$span = array_shift($text_stack);
-					$span = $this->runSpanGamut($span);
-					$span = "<strong>$span</strong>";
-					$text_stack[0] .= $this->hashPart($span);
-					$strong = '';
-				} else {
-					array_unshift($token_stack, $token);
-					array_unshift($text_stack, '');
-					$strong = $token;
-				}
-			} else {
-				# Here $token_len == 1
-				if ($em) {
-					if (strlen($token_stack[0]) == 1) {
-						# Closing emphasis marker:
-						array_shift($token_stack);
-						$span = array_shift($text_stack);
-						$span = $this->runSpanGamut($span);
-						$span = "<em>$span</em>";
-						$text_stack[0] .= $this->hashPart($span);
-						$em = '';
-					} else {
-						$text_stack[0] .= $token;
-					}
-				} else {
-					array_unshift($token_stack, $token);
-					array_unshift($text_stack, '');
-					$em = $token;
-				}
-			}
-		}
-		return $text_stack[0];
-	}
-
-
-	protected function doBlockQuotes($text) {
-		$text = preg_replace_callback('/
-			  (								# Wrap whole match in $1
-				(?>
-				  ^[ ]*>[ ]?			# ">" at the start of a line
-					.+\n					# rest of the first line
-				  (.+\n)*					# subsequent consecutive lines
-				  \n*						# blanks
-				)+
-			  )
-			/xm',
-			array($this, '_doBlockQuotes_callback'), $text);
-
-		return $text;
-	}
-	protected function _doBlockQuotes_callback($matches) {
-		$bq = $matches[1];
-		# trim one level of quoting - trim whitespace-only lines
-		$bq = preg_replace('/^[ ]*>[ ]?|^[ ]+$/m', '', $bq);
-		$bq = $this->runBlockGamut($bq);		# recurse
-
-		$bq = preg_replace('/^/m', "  ", $bq);
-		# These leading spaces cause problem with <pre> content, 
-		# so we need to fix that:
-		$bq = preg_replace_callback('{(\s*<pre>.+?</pre>)}sx', 
-			array($this, '_doBlockQuotes_callback2'), $bq);
-
-		return "\n". $this->hashBlock("<blockquote>\n$bq\n</blockquote>")."\n\n";
-	}
-	protected function _doBlockQuotes_callback2($matches) {
-		$pre = $matches[1];
-		$pre = preg_replace('/^  /m', '', $pre);
-		return $pre;
-	}
-
-
-	protected function formParagraphs($text) {
-	#
-	#	Params:
-	#		$text - string to process with html <p> tags
-	#
-		# Strip leading and trailing lines:
-		$text = preg_replace('/\A\n+|\n+\z/', '', $text);
-
-		$grafs = preg_split('/\n{2,}/', $text, -1, PREG_SPLIT_NO_EMPTY);
-
-		#
-		# Wrap <p> tags and unhashify HTML blocks
-		#
-		foreach ($grafs as $key => $value) {
-			if (!preg_match('/^B\x1A[0-9]+B$/', $value)) {
-				# Is a paragraph.
-				$value = $this->runSpanGamut($value);
-				$value = preg_replace('/^([ ]*)/', "<p>", $value);
-				$value .= "</p>";
-				$grafs[$key] = $this->unhash($value);
-			}
-			else {
-				# Is a block.
-				# Modify elements of @grafs in-place...
-				$graf = $value;
-				$block = $this->html_hashes[$graf];
-				$graf = $block;
-//				if (preg_match('{
-//					\A
-//					(							# $1 = <div> tag
-//					  <div  \s+
-//					  [^>]*
-//					  \b
-//					  markdown\s*=\s*  ([\'"])	#	$2 = attr quote char
-//					  1
-//					  \2
-//					  [^>]*
-//					  >
-//					)
-//					(							# $3 = contents
-//					.*
-//					)
-//					(</div>)					# $4 = closing tag
-//					\z
-//					}xs', $block, $matches))
-//				{
-//					list(, $div_open, , $div_content, $div_close) = $matches;
-//
-//					# We can't call Markdown(), because that resets the hash;
-//					# that initialization code should be pulled into its own sub, though.
-//					$div_content = $this->hashHTMLBlocks($div_content);
-//					
-//					# Run document gamut methods on the content.
-//					foreach ($this->document_gamut as $method => $priority) {
-//						$div_content = $this->$method($div_content);
-//					}
-//
-//					$div_open = preg_replace(
-//						'{\smarkdown\s*=\s*([\'"]).+?\1}', '', $div_open);
-//
-//					$graf = $div_open . "\n" . $div_content . "\n" . $div_close;
-//				}
-				$grafs[$key] = $graf;
-			}
-		}
-
-		return implode("\n\n", $grafs);
-	}
-
-
-	protected function encodeAttribute($text) {
-	#
-	# Encode text for a double-quoted HTML attribute. This function
-	# is *not* suitable for attributes enclosed in single quotes.
-	#
-		$text = $this->encodeAmpsAndAngles($text);
-		$text = str_replace('"', '&quot;', $text);
-		return $text;
-	}
-	
-	
-	protected function encodeAmpsAndAngles($text) {
-	#
-	# Smart processing for ampersands and angle brackets that need to 
-	# be encoded. Valid character entities are left alone unless the
-	# no-entities mode is set.
-	#
-		if ($this->no_entities) {
-			$text = str_replace('&', '&amp;', $text);
-		} else {
-			# Ampersand-encoding based entirely on Nat Irons's Amputator
-			# MT plugin: <http://bumppo.net/projects/amputator/>
-			$text = preg_replace('/&(?!#?[xX]?(?:[0-9a-fA-F]+|\w+);)/', 
-								'&amp;', $text);;
-		}
-		# Encode remaining <'s
-		$text = str_replace('<', '&lt;', $text);
-
-		return $text;
-	}
-
-
-	protected function doAutoLinks($text) {
-		$text = preg_replace_callback('/(="|<)?\b(https?|ftp)(:\/\/[-A-Z0-9+&@#\/%?=~_|\[\]\(\)!:,\.;]*[-A-Z0-9+&@#\/%=~_|\[\])])(?=$|\W)/i', 
-			array($this, '_doAutoLinks_url_callback'), $text);
-		$text = preg_replace_callback('{<((https?|ftp|dict):[^\'">\s]+)>}i', 
-			array($this, '_doAutoLinks_url_callback_replace'), $text);
-
-		# Email addresses: <address@domain.foo>
-		$text = preg_replace_callback('{
-			<
-			(?:mailto:)?
-			(
-				(?:
-					[-!#$%&\'*+/=?^_`.{|}~\w\x80-\xFF]+
-				|
-					".*?"
-				)
-				\@
-				(?:
-					[-a-z0-9\x80-\xFF]+(\.[-a-z0-9\x80-\xFF]+)*\.[a-z]+
-				|
-					\[[\d.a-fA-F:]+\]	# IPv4 & IPv6
-				)
-			)
-			>
-			}xi',
-			array($this, '_doAutoLinks_email_callback'), $text);
-
-		return $text;
-	}
-    protected function _doAutoLinks_url_callback_replace($matches) {
-        $url = $this->encodeAttribute($matches[1]);
-        $link = "<a rel=\"nofollow\" href=\"$url\">$url</a>";
-        return $this->hashPart($link);
-    }
-
-    private $tail;
-
-	protected function _doAutoLinks_url_callback($matches) {
-        list ($wholeMatch, $lookbehind, $protocol, $link) = $matches;
-
-        if ($lookbehind) {
-            return $wholeMatch;
-        }
-
-        if ($link[strlen($link) - 1] != ')') {
-            return '<' . $protocol . $link . '>';
-        }
-
-        $level = 0;
-        if (preg_match_all("/[()]/", $link, $matches)) {
-            foreach ($matches[0] as $op) {
-                if ('(' == $op) {
-                    if ($level <= 0) {
-                        $level = 1;
-                    } else {
-                        $level ++;
-                    }
-                } else {
-                    $level --;
-                }
-            }
-        }
-
-        $this->tail = '';
-        if ($level < 0) {
-            $link = preg_replace_callback("/\){1," . (- $level) . "}$/", 
-                array($this, '_doAutoLinks_url_callback_callback'), $link);
-        }
-
-		$url = $this->encodeAttribute($protocol . $link);
-		$link = "<a rel=\"nofollow\" href=\"$url\">$url</a>";
-		return $this->hashPart($link) . $this->tail;
-	}
-
-	protected function _doAutoLinks_email_callback($matches) {
-		$address = $matches[1];
-		$link = $this->encodeEmailAddress($address);
-		return $this->hashPart($link);
-	}
-
-    protected function _doAutoLinks_url_callback_callback($matches) {
-        $this->tail = $matches[0];
-        return '';
-    }
-
-	protected function encodeEmailAddress($addr) {
-	#
-	#	Input: an email address, e.g. "foo@example.com"
-	#
-	#	Output: the email address as a mailto link, with each character
-	#		of the address encoded as either a decimal or hex entity, in
-	#		the hopes of foiling most address harvesting spam bots. E.g.:
-	#
-	#	  <p><a href="&#109;&#x61;&#105;&#x6c;&#116;&#x6f;&#58;&#x66;o&#111;
-	#        &#x40;&#101;&#x78;&#97;&#x6d;&#112;&#x6c;&#101;&#46;&#x63;&#111;
-	#        &#x6d;">&#x66;o&#111;&#x40;&#101;&#x78;&#97;&#x6d;&#112;&#x6c;
-	#        &#101;&#46;&#x63;&#111;&#x6d;</a></p>
-	#
-	#	Based by a filter by Matthew Wickline, posted to BBEdit-Talk.
-	#   With some optimizations by Milian Wolff.
-	#
-		$addr = "mailto:" . $addr;
-		$chars = preg_split('/(?<!^)(?!$)/', $addr);
-		$seed = (int)abs(crc32($addr) / strlen($addr)); # Deterministic seed.
-		
-		foreach ($chars as $key => $char) {
-			$ord = ord($char);
-			# Ignore non-ascii chars.
-			if ($ord < 128) {
-				$r = ($seed * (1 + $key)) % 100; # Pseudo-random function.
-				# roughly 10% raw, 45% hex, 45% dec
-				# '@' *must* be encoded. I insist.
-				if ($r > 90 && $char != '@') /* do nothing */;
-				else if ($r < 45) $chars[$key] = '&#x'.dechex($ord).';';
-				else              $chars[$key] = '&#'.$ord.';';
-			}
-		}
-		
-		$addr = implode('', $chars);
-		$text = implode('', array_slice($chars, 7)); # text without `mailto:`
-		$addr = "<a href=\"$addr\">$text</a>";
-
-		return $addr;
-	}
-
-
-	protected function parseSpan($str) {
-	#
-	# Take the string $str and parse it into tokens, hashing embeded HTML,
-	# escaped characters and handling code spans.
-	#
-		$output = '';
-		
-		$span_re = '{
-				(
-					\\\\'.$this->escape_chars_re.'
-				|
-					(?<![`\\\\])
-					`+						# code span marker
-			'.( $this->no_markup ? '' : '
-				|
-					<!--    .*?     -->		# comment
-				|
-					<\?.*?\?> | <%.*?%>		# processing instruction
-				|
-					<[!$]?[-a-zA-Z0-9:_]+	# regular tags
-					(?>
-						\s
-						(?>[^"\'>]+|"[^"]*"|\'[^\']*\')*
-					)?
-					>
-				|
-					<[-a-zA-Z0-9:_]+\s*/> # xml-style empty tag
-				|
-					</[-a-zA-Z0-9:_]+\s*> # closing tag
-			').'
-				)
-				}xs';
-
-		while (1) {
-			#
-			# Each loop iteration seach for either the next tag, the next 
-			# openning code span marker, or the next escaped character. 
-			# Each token is then passed to handleSpanToken.
-			#
-			$parts = preg_split($span_re, $str, 2, PREG_SPLIT_DELIM_CAPTURE);
-			
-			# Create token from text preceding tag.
-			if ($parts[0] != "") {
-				$output .= $parts[0];
-			}
-			
-			# Check if we reach the end.
-			if (isset($parts[1])) {
-				$output .= $this->handleSpanToken($parts[1], $parts[2]);
-				$str = $parts[2];
-			}
-			else {
-				break;
-			}
-		}
-		
-		return $output;
-	}
-	
-	
-	protected function handleSpanToken($token, &$str) {
-	#
-	# Handle $token provided by parseSpan by determining its nature and 
-	# returning the corresponding value that should replace it.
-	#
-		switch ($token{0}) {
-			case "\\":
-				return $this->hashPart("&#". ord($token{1}). ";");
-			case "`":
-				# Search for end marker in remaining text.
-				if (preg_match('/^(.*?[^`])'.preg_quote($token).'(?!`)(.*)$/sm', 
-					$str, $matches))
-				{
-					$str = $matches[2];
-					$codespan = $this->makeCodeSpan($matches[1]);
-					return $this->hashPart($codespan);
-				}
-				return $token; // return as text since no ending marker found.
-			default:
-				return $this->hashPart($token);
-		}
-	}
-
-
-	protected function outdent($text) {
-	#
-	# Remove one level of line-leading tabs or spaces
-	#
-		return preg_replace('/^(\t|[ ]{1,'.$this->tab_width.'})/m', '', $text);
-	}
-
-
-	# String length function for detab. `_initDetab` will create a function to 
-	# hanlde UTF-8 if the default function does not exist.
-	protected $utf8_strlen = 'mb_strlen';
-	
-	protected function detab($text) {
-	#
-	# Replace tabs with the appropriate amount of space.
-	#
-		# For each line we separate the line in blocks delemited by
-		# tab characters. Then we reconstruct every line by adding the 
-		# appropriate number of space between each blocks.
-		
-		$text = preg_replace_callback('/^.*\t.*$/m',
-			array($this, '_detab_callback'), $text);
-
-		return $text;
-	}
-	protected function _detab_callback($matches) {
-		$line = $matches[0];
-		$strlen = $this->utf8_strlen; # strlen function for UTF-8.
-		
-		# Split in blocks.
-		$blocks = explode("\t", $line);
-		# Add each blocks to the line.
-		$line = $blocks[0];
-		unset($blocks[0]); # Do not add first block twice.
-		foreach ($blocks as $block) {
-			# Calculate amount of space, insert spaces, insert block.
-			$amount = $this->tab_width - 
-				call_user_func($strlen, $line, 'UTF-8') % $this->tab_width;
-			$line .= str_repeat(" ", $amount) . $block;
-		}
-		return $line;
-	}
-	protected function _initDetab() {
-	#
-	# Check for the availability of the function in the `utf8_strlen` property
-	# (initially `mb_strlen`). If the function is not available, create a 
-	# function that will loosely count the number of UTF-8 characters with a
-	# regular expression.
-	#
-		if (function_exists($this->utf8_strlen)) return;
-		$this->utf8_strlen = array($this, '_utf8_strlen');
-	}
-
-    protected function _utf8_strlen($text) {
-        return preg_match_all(
-			"/[\\x00-\\xBF]|[\\xC0-\\xFF][\\x80-\\xBF]*/", 
-			$text, $m);
-    }
-
-
-	protected function unhash($text) {
-	#
-	# Swap back in all the tags hashed by _HashHTMLBlocks.
-	#
-		return preg_replace_callback('/(.)\x1A[0-9]+\1/', 
-			array($this, '_unhash_callback'), $text);
-	}
-	protected function _unhash_callback($matches) {
-		return $this->html_hashes[trim($matches[0])];
-	}
-}
-
-#
-# Temporary Markdown Extra Parser Implementation Class
-#
-# NOTE: DON'T USE THIS CLASS
-# Currently the implementation of of Extra resides here in this temporary class.
-# This makes it easier to propagate the changes between the three different
-# packaging styles of PHP Markdown. When this issue is resolved, this
-# MarkdownExtra_TmpImpl class here will disappear and \Michelf\MarkdownExtra
-# will contain the code. So please use \Michelf\MarkdownExtra and ignore this
-# one.
-#
-
-class MarkdownExtra extends Markdown {
-
-	### Configuration Variables ###
-
-	# Prefix for footnote ids.
-	public $fn_id_prefix = "";
-	
-	# Optional title attribute for footnote links and backlinks.
-	public $fn_link_title = "";
-	public $fn_backlink_title = "";
-	
-	# Optional class attribute for footnote links and backlinks.
-	public $fn_link_class = "footnote-ref";
-	public $fn_backlink_class = "footnote-backref";
-
-	# Class name for table cell alignment (%% replaced left/center/right)
-	# For instance: 'go-%%' becomes 'go-left' or 'go-right' or 'go-center'
-	# If empty, the align attribute is used instead of a class name.
-	public $table_align_class_tmpl = '';
-
-	# Optional class prefix for fenced code block.
-	public $code_class_prefix = "";
-	# Class attribute for code blocks goes on the `code` tag;
-	# setting this to true will put attributes on the `pre` tag instead.
-	public $code_attr_on_pre = false;
-	
-	# Predefined abbreviations.
-	public $predef_abbr = array();
-
-
-	### Parser Implementation ###
-
-	public function __construct() {
-	#
-	# Constructor function. Initialize the parser object.
-	#
-		# Add extra escapable characters before parent constructor 
-		# initialize the table.
-		$this->escape_chars .= ':|';
-		
-		# Insert extra document, block, and span transformations. 
-		# Parent constructor will do the sorting.
-		$this->document_gamut += array(
-			"doFencedCodeBlocks" => 5,
-			"stripFootnotes"     => 15,
-			"stripAbbreviations" => 25,
-			"appendFootnotes"    => 50,
-			);
-		$this->block_gamut += array(
-			"doFencedCodeBlocks" => 5,
-			"doTables"           => 15,
-			"doDefLists"         => 45,
-			);
-		$this->span_gamut += array(
-			"doFootnotes"        => 5,
-			"doAbbreviations"    => 70,
-			);
-		
-		parent::__construct();
-	}
-	
-	
-	# Extra variables used during extra transformations.
-	protected $footnotes = array();
-	protected $footnotes_ordered = array();
-	protected $footnotes_ref_count = array();
-	protected $footnotes_numbers = array();
-	protected $abbr_desciptions = array();
-	protected $abbr_word_re = '';
-	
-	# Give the current footnote number.
-	protected $footnote_counter = 1;
-	
-	
-	protected function setup() {
-	#
-	# Setting up Extra-specific variables.
-	#
-		parent::setup();
-		
-		$this->footnotes = array();
-		$this->footnotes_ordered = array();
-		$this->footnotes_ref_count = array();
-		$this->footnotes_numbers = array();
-		$this->abbr_desciptions = array();
-		$this->abbr_word_re = '';
-		$this->footnote_counter = 1;
-		
-		foreach ($this->predef_abbr as $abbr_word => $abbr_desc) {
-			if ($this->abbr_word_re)
-				$this->abbr_word_re .= '|';
-			$this->abbr_word_re .= preg_quote($abbr_word);
-			$this->abbr_desciptions[$abbr_word] = trim($abbr_desc);
-		}
-	}
-	
-	protected function teardown() {
-	#
-	# Clearing Extra-specific variables.
-	#
-		$this->footnotes = array();
-		$this->footnotes_ordered = array();
-		$this->footnotes_ref_count = array();
-		$this->footnotes_numbers = array();
-		$this->abbr_desciptions = array();
-		$this->abbr_word_re = '';
-		
-		parent::teardown();
-	}
-	
-	
-	### Extra Attribute Parser ###
-
-	# Expression to use to catch attributes (includes the braces)
-	protected $id_class_attr_catch_re = '\{((?:[ ]*[#.][-_:a-zA-Z0-9]+){1,})[ ]*\}';
-	# Expression to use when parsing in a context when no capture is desired
-	protected $id_class_attr_nocatch_re = '\{(?:[ ]*[#.][-_:a-zA-Z0-9]+){1,}[ ]*\}';
-
-	protected function doExtraAttributes($tag_name, $attr) {
-	#
-	# Parse attributes caught by the $this->id_class_attr_catch_re expression
-	# and return the HTML-formatted list of attributes.
-	#
-	# Currently supported attributes are .class and #id.
-	#
-		if (empty($attr)) return "";
-		
-		# Split on components
-		preg_match_all('/[#.][-_:a-zA-Z0-9]+/', $attr, $matches);
-		$elements = $matches[0];
-
-		# handle classes and ids (only first id taken into account)
-		$classes = array();
-		$id = false;
-		foreach ($elements as $element) {
-			if ($element{0} == '.') {
-				$classes[] = substr($element, 1);
-			} else if ($element{0} == '#') {
-				if ($id === false) $id = substr($element, 1);
-			}
-		}
-
-		# compose attributes as string
-		$attr_str = "";
-		if (!empty($id)) {
-			$attr_str .= ' id="'.$id.'"';
-		}
-		if (!empty($classes)) {
-			$attr_str .= ' class="'.implode(" ", $classes).'"';
-		}
-		return $attr_str;
-	}
-
-
-	protected function stripLinkDefinitions($text) {
-	#
-	# Strips link definitions from text, stores the URLs and titles in
-	# hash references.
-	#
-		$less_than_tab = $this->tab_width - 1;
-
-		# Link defs are in the form: ^[id]: url "optional title"
-		$text = preg_replace_callback('{
-							^[ ]{0,'.$less_than_tab.'}\[(.+)\][ ]?:	# id = $1
-							  [ ]*
-							  \n?				# maybe *one* newline
-							  [ ]*
-							(?:
-							  <(.+?)>			# url = $2
-							|
-							  (\S+?)			# url = $3
-							)
-							  [ ]*
-							  \n?				# maybe one newline
-							  [ ]*
-							(?:
-								(?<=\s)			# lookbehind for whitespace
-								["(]
-								(.*?)			# title = $4
-								[")]
-								[ ]*
-							)?	# title is optional
-					(?:[ ]* '.$this->id_class_attr_catch_re.' )?  # $5 = extra id & class attr
-							(?:\n+|\Z)
-			}xm',
-			array($this, '_stripLinkDefinitions_callback'),
-			$text);
-		return $text;
-	}
-	protected function _stripLinkDefinitions_callback($matches) {
-		$link_id = strtolower($matches[1]);
-		$url = $matches[2] == '' ? $matches[3] : $matches[2];
-		$this->urls[$link_id] = $url;
-		$this->titles[$link_id] =& $matches[4];
-		$this->ref_attr[$link_id] = $this->doExtraAttributes("", $dummy =& $matches[5]);
-		return ''; # String that will replace the block
-	}
-
-
-	### HTML Block Parser ###
-	
-	# Tags that are always treated as block tags:
-	protected $block_tags_re = 'p|div|h[1-6]|blockquote|pre|table|dl|ol|ul|address|form|fieldset|iframe|hr|legend|article|section|nav|aside|hgroup|header|footer|figcaption';
-						   
-	# Tags treated as block tags only if the opening tag is alone on its line:
-	protected $context_block_tags_re = 'script|noscript|ins|del|iframe|object|source|track|param|math|svg|canvas|audio|video';
-	
-	# Tags where markdown="1" default to span mode:
-	protected $contain_span_tags_re = 'p|h[1-6]|li|dd|dt|td|th|legend|address';
-	
-	# Tags which must not have their contents modified, no matter where 
-	# they appear:
-	protected $clean_tags_re = 'script|math|svg';
-	
-	# Tags that do not need to be closed.
-	protected $auto_close_tags_re = 'hr|img|param|source|track';
-	
-
-	protected function hashHTMLBlocks($text) {
-	#
-	# Hashify HTML Blocks and "clean tags".
-	#
-	# We only want to do this for block-level HTML tags, such as headers,
-	# lists, and tables. That's because we still want to wrap <p>s around
-	# "paragraphs" that are wrapped in non-block-level tags, such as anchors,
-	# phrase emphasis, and spans. The list of tags we're looking for is
-	# hard-coded.
-	#
-	# This works by calling _HashHTMLBlocks_InMarkdown, which then calls
-	# _HashHTMLBlocks_InHTML when it encounter block tags. When the markdown="1" 
-	# attribute is found within a tag, _HashHTMLBlocks_InHTML calls back
-	#  _HashHTMLBlocks_InMarkdown to handle the Markdown syntax within the tag.
-	# These two functions are calling each other. It's recursive!
-	#
-		if ($this->no_markup)  return $text;
-
-		#
-		# Call the HTML-in-Markdown hasher.
-		#
-		list($text, ) = $this->_hashHTMLBlocks_inMarkdown($text);
-		
-		return $text;
-	}
-	protected function _hashHTMLBlocks_inMarkdown($text, $indent = 0,
-										$enclosing_tag_re = '', $span = false)
-	{
-	#
-	# Parse markdown text, calling _HashHTMLBlocks_InHTML for block tags.
-	#
-	# *   $indent is the number of space to be ignored when checking for code 
-	#     blocks. This is important because if we don't take the indent into 
-	#     account, something like this (which looks right) won't work as expected:
-	#
-	#     <div>
-	#         <div markdown="1">
-	#         Hello World.  <-- Is this a Markdown code block or text?
-	#         </div>  <-- Is this a Markdown code block or a real tag?
-	#     <div>
-	#
-	#     If you don't like this, just don't indent the tag on which
-	#     you apply the markdown="1" attribute.
-	#
-	# *   If $enclosing_tag_re is not empty, stops at the first unmatched closing 
-	#     tag with that name. Nested tags supported.
-	#
-	# *   If $span is true, text inside must treated as span. So any double 
-	#     newline will be replaced by a single newline so that it does not create 
-	#     paragraphs.
-	#
-	# Returns an array of that form: ( processed text , remaining text )
-	#
-		if ($text === '') return array('', '');
-
-		# Regex to check for the presense of newlines around a block tag.
-		$newline_before_re = '/(?:^\n?|\n\n)*$/';
-		$newline_after_re = 
-			'{
-				^						# Start of text following the tag.
-				(?>[ ]*<!--.*?-->)?		# Optional comment.
-				[ ]*\n					# Must be followed by newline.
-			}xs';
-		
-		# Regex to match any tag.
-		$block_tag_re =
-			'{
-				(					# $2: Capture whole tag.
-					</?					# Any opening or closing tag.
-						(?>				# Tag name.
-							'.$this->block_tags_re.'			|
-							'.$this->context_block_tags_re.'	|
-							'.$this->clean_tags_re.'        	|
-							(?!\s)'.$enclosing_tag_re.'
-						)
-						(?:
-							(?=[\s"\'/a-zA-Z0-9])	# Allowed characters after tag name.
-							(?>
-								".*?"		|	# Double quotes (can contain `>`)
-								\'.*?\'   	|	# Single quotes (can contain `>`)
-								.+?				# Anything but quotes and `>`.
-							)*?
-						)?
-					>					# End of tag.
-				|
-					<!--    .*?     -->	# HTML Comment
-				|
-					<\?.*?\?> | <%.*?%>	# Processing instruction
-				|
-					<!\[CDATA\[.*?\]\]>	# CData Block
-				|
-					# Code span marker
-					`+
-				'. ( !$span ? ' # If not in span.
-				|
-					# Indented code block
-					(?: ^[ ]*\n | ^ | \n[ ]*\n )
-					[ ]{'.($indent+4).'}[^\n]* \n
-					(?>
-						(?: [ ]{'.($indent+4).'}[^\n]* | [ ]* ) \n
-					)*
-				|
-					# Fenced code block marker
-					(?<= ^ | \n )
-					[ ]{0,'.($indent+3).'}~{3,}
-									[ ]*
-					(?:
-					\.?[-_:a-zA-Z0-9]+ # standalone class name
-					|
-						'.$this->id_class_attr_nocatch_re.' # extra attributes
-					)?
-					[ ]*
-					\n
-				' : '' ). ' # End (if not is span).
-				)
-			}xs';
-
-		
-		$depth = 0;		# Current depth inside the tag tree.
-		$parsed = "";	# Parsed text that will be returned.
-
-		#
-		# Loop through every tag until we find the closing tag of the parent
-		# or loop until reaching the end of text if no parent tag specified.
-		#
-		do {
-			#
-			# Split the text using the first $tag_match pattern found.
-			# Text before  pattern will be first in the array, text after
-			# pattern will be at the end, and between will be any catches made 
-			# by the pattern.
-			#
-			$parts = preg_split($block_tag_re, $text, 2, 
-								PREG_SPLIT_DELIM_CAPTURE);
-			
-			# If in Markdown span mode, add a empty-string span-level hash 
-			# after each newline to prevent triggering any block element.
-			if ($span) {
-				$void = $this->hashPart("", ':');
-				$newline = "$void\n";
-				$parts[0] = $void . str_replace("\n", $newline, $parts[0]) . $void;
-			}
-			
-			$parsed .= $parts[0]; # Text before current tag.
-			
-			# If end of $text has been reached. Stop loop.
-			if (count($parts) < 3) {
-				$text = "";
-				break;
-			}
-			
-			$tag  = $parts[1]; # Tag to handle.
-			$text = $parts[2]; # Remaining text after current tag.
-			$tag_re = preg_quote($tag); # For use in a regular expression.
-			
-			#
-			# Check for: Code span marker
-			#
-			if ($tag{0} == "`") {
-				# Find corresponding end marker.
-				$tag_re = preg_quote($tag);
-				if (preg_match('{^(?>.+?|\n(?!\n))*?(?<!`)'.$tag_re.'(?!`)}',
-					$text, $matches))
-				{
-					# End marker found: pass text unchanged until marker.
-					$parsed .= $tag . $matches[0];
-					$text = substr($text, strlen($matches[0]));
-				}
-				else {
-					# Unmatched marker: just skip it.
-					$parsed .= $tag;
-				}
-			}
-			#
-			# Check for: Fenced code block marker.
-			#
-			else if (preg_match('{^\n?([ ]{0,'.($indent+3).'})(~+)}', $tag, $capture)) {
-				# Fenced code block marker: find matching end marker.
-				$fence_indent = strlen($capture[1]); # use captured indent in re
-				$fence_re = $capture[2]; # use captured fence in re
-				if (preg_match('{^(?>.*\n)*?[ ]{'.($fence_indent).'}'.$fence_re.'[ ]*(?:\n|$)}', $text,
-					$matches)) 
-				{
-					# End marker found: pass text unchanged until marker.
-					$parsed .= $tag . $matches[0];
-					$text = substr($text, strlen($matches[0]));
-				}
-				else {
-					# No end marker: just skip it.
-					$parsed .= $tag;
-				}
-			}
-			#
-			# Check for: Indented code block.
-			#
-			else if ($tag{0} == "\n" || $tag{0} == " ") {
-				# Indented code block: pass it unchanged, will be handled 
-				# later.
-				$parsed .= $tag;
-			}
-			#
-			# Check for: Opening Block level tag or
-			#            Opening Context Block tag (like ins and del) 
-			#               used as a block tag (tag is alone on it's line).
-			#
-			else if (preg_match('{^<(?:'.$this->block_tags_re.')\b}', $tag) ||
-				(	preg_match('{^<(?:'.$this->context_block_tags_re.')\b}', $tag) &&
-					preg_match($newline_before_re, $parsed) &&
-					preg_match($newline_after_re, $text)	)
-				)
-			{
-				# Need to parse tag and following text using the HTML parser.
-				list($block_text, $text) = 
-					$this->_hashHTMLBlocks_inHTML($tag . $text, "hashBlock", true);
-				
-				# Make sure it stays outside of any paragraph by adding newlines.
-				$parsed .= "\n\n$block_text\n\n";
-			}
-			#
-			# Check for: Clean tag (like script, math)
-			#            HTML Comments, processing instructions.
-			#
-			else if (preg_match('{^<(?:'.$this->clean_tags_re.')\b}', $tag) ||
-				$tag{1} == '!' || $tag{1} == '?')
-			{
-				# Need to parse tag and following text using the HTML parser.
-				# (don't check for markdown attribute)
-				list($block_text, $text) = 
-					$this->_hashHTMLBlocks_inHTML($tag . $text, "hashClean", false);
-				
-				$parsed .= $block_text;
-			}
-			#
-			# Check for: Tag with same name as enclosing tag.
-			#
-			else if ($enclosing_tag_re !== '' &&
-				# Same name as enclosing tag.
-				preg_match('{^</?(?:'.$enclosing_tag_re.')\b}', $tag))
-			{
-				#
-				# Increase/decrease nested tag count.
-				#
-				if ($tag{1} == '/')						$depth--;
-				else if ($tag{strlen($tag)-2} != '/')	$depth++;
-
-				if ($depth < 0) {
-					#
-					# Going out of parent element. Clean up and break so we
-					# return to the calling function.
-					#
-					$text = $tag . $text;
-					break;
-				}
-				
-				$parsed .= $tag;
-			}
-			else {
-				$parsed .= $tag;
-			}
-		} while ($depth >= 0);
-		
-		return array($parsed, $text);
-	}
-	protected function _hashHTMLBlocks_inHTML($text, $hash_method, $md_attr) {
-	#
-	# Parse HTML, calling _HashHTMLBlocks_InMarkdown for block tags.
-	#
-	# *   Calls $hash_method to convert any blocks.
-	# *   Stops when the first opening tag closes.
-	# *   $md_attr indicate if the use of the `markdown="1"` attribute is allowed.
-	#     (it is not inside clean tags)
-	#
-	# Returns an array of that form: ( processed text , remaining text )
-	#
-		if ($text === '') return array('', '');
-		
-		# Regex to match `markdown` attribute inside of a tag.
-		$markdown_attr_re = '
-			{
-				\s*			# Eat whitespace before the `markdown` attribute
-				markdown
-				\s*=\s*
-				(?>
-					(["\'])		# $1: quote delimiter		
-					(.*?)		# $2: attribute value
-					\1			# matching delimiter	
-				|
-					([^\s>]*)	# $3: unquoted attribute value
-				)
-				()				# $4: make $3 always defined (avoid warnings)
-			}xs';
-		
-		# Regex to match any tag.
-		$tag_re = '{
-				(					# $2: Capture whole tag.
-					</?					# Any opening or closing tag.
-						[\w:$]+			# Tag name.
-						(?:
-							(?=[\s"\'/a-zA-Z0-9])	# Allowed characters after tag name.
-							(?>
-								".*?"		|	# Double quotes (can contain `>`)
-								\'.*?\'   	|	# Single quotes (can contain `>`)
-								.+?				# Anything but quotes and `>`.
-							)*?
-						)?
-					>					# End of tag.
-				|
-					<!--    .*?     -->	# HTML Comment
-				|
-					<\?.*?\?> | <%.*?%>	# Processing instruction
-				|
-					<!\[CDATA\[.*?\]\]>	# CData Block
-				)
-			}xs';
-		
-		$original_text = $text;		# Save original text in case of faliure.
-		
-		$depth		= 0;	# Current depth inside the tag tree.
-		$block_text	= "";	# Temporary text holder for current text.
-		$parsed		= "";	# Parsed text that will be returned.
-
-		#
-		# Get the name of the starting tag.
-		# (This pattern makes $base_tag_name_re safe without quoting.)
-		#
-		if (preg_match('/^<([\w:$]*)\b/', $text, $matches))
-			$base_tag_name_re = $matches[1];
-
-		#
-		# Loop through every tag until we find the corresponding closing tag.
-		#
-		do {
-			#
-			# Split the text using the first $tag_match pattern found.
-			# Text before  pattern will be first in the array, text after
-			# pattern will be at the end, and between will be any catches made 
-			# by the pattern.
-			#
-			$parts = preg_split($tag_re, $text, 2, PREG_SPLIT_DELIM_CAPTURE);
-			
-			if (count($parts) < 3) {
-				#
-				# End of $text reached with unbalenced tag(s).
-				# In that case, we return original text unchanged and pass the
-				# first character as filtered to prevent an infinite loop in the 
-				# parent function.
-				#
-				return array($original_text{0}, substr($original_text, 1));
-			}
-			
-			$block_text .= $parts[0]; # Text before current tag.
-			$tag         = $parts[1]; # Tag to handle.
-			$text        = $parts[2]; # Remaining text after current tag.
-			
-			#
-			# Check for: Auto-close tag (like <hr/>)
-			#			 Comments and Processing Instructions.
-			#
-			if (preg_match('{^</?(?:'.$this->auto_close_tags_re.')\b}', $tag) ||
-				$tag{1} == '!' || $tag{1} == '?')
-			{
-				# Just add the tag to the block as if it was text.
-				$block_text .= $tag;
-			}
-			else {
-				#
-				# Increase/decrease nested tag count. Only do so if
-				# the tag's name match base tag's.
-				#
-				if (preg_match('{^</?'.$base_tag_name_re.'\b}', $tag)) {
-					if ($tag{1} == '/')						$depth--;
-					else if ($tag{strlen($tag)-2} != '/')	$depth++;
-				}
-				
-				#
-				# Check for `markdown="1"` attribute and handle it.
-				#
-				if ($md_attr && 
-					preg_match($markdown_attr_re, $tag, $attr_m) &&
-					preg_match('/^1|block|span$/', $attr_m[2] . $attr_m[3]))
-				{
-					# Remove `markdown` attribute from opening tag.
-					$tag = preg_replace($markdown_attr_re, '', $tag);
-					
-					# Check if text inside this tag must be parsed in span mode.
-					$this->mode = $attr_m[2] . $attr_m[3];
-					$span_mode = $this->mode == 'span' || $this->mode != 'block' &&
-						preg_match('{^<(?:'.$this->contain_span_tags_re.')\b}', $tag);
-					
-					# Calculate indent before tag.
-					if (preg_match('/(?:^|\n)( *?)(?! ).*?$/', $block_text, $matches)) {
-						$strlen = $this->utf8_strlen;
-						$indent = call_user_func($strlen, $matches[1], 'UTF-8');
-					} else {
-						$indent = 0;
-					}
-					
-					# End preceding block with this tag.
-					$block_text .= $tag;
-					$parsed .= $this->$hash_method($block_text);
-					
-					# Get enclosing tag name for the ParseMarkdown function.
-					# (This pattern makes $tag_name_re safe without quoting.)
-					preg_match('/^<([\w:$]*)\b/', $tag, $matches);
-					$tag_name_re = $matches[1];
-					
-					# Parse the content using the HTML-in-Markdown parser.
-					list ($block_text, $text)
-						= $this->_hashHTMLBlocks_inMarkdown($text, $indent, 
-							$tag_name_re, $span_mode);
-					
-					# Outdent markdown text.
-					if ($indent > 0) {
-						$block_text = preg_replace("/^[ ]{1,$indent}/m", "", 
-													$block_text);
-					}
-					
-					# Append tag content to parsed text.
-					if (!$span_mode)	$parsed .= "\n\n$block_text\n\n";
-					else				$parsed .= "$block_text";
-					
-					# Start over with a new block.
-					$block_text = "";
-				}
-				else $block_text .= $tag;
-			}
-			
-		} while ($depth > 0);
-		
-		#
-		# Hash last block text that wasn't processed inside the loop.
-		#
-		$parsed .= $this->$hash_method($block_text);
-		
-		return array($parsed, $text);
-	}
-
-
-	protected function hashClean($text) {
-	#
-	# Called whenever a tag must be hashed when a function inserts a "clean" tag
-	# in $text, it passes through this function and is automaticaly escaped, 
-	# blocking invalid nested overlap.
-	#
-		return $this->hashPart($text, 'C');
-	}
-
-
-	protected function doAnchors($text) {
-	#
-	# Turn Markdown link shortcuts into XHTML <a> tags.
-	#
-		if ($this->in_anchor) return $text;
-		$this->in_anchor = true;
-		
-		#
-		# First, handle reference-style links: [link text] [id]
-		#
-		$text = preg_replace_callback('{
-			(					# wrap whole match in $1
-			  \[
-				('.$this->nested_brackets_re.')	# link text = $2
-			  \]
-
-			  [ ]?				# one optional space
-			  (?:\n[ ]*)?		# one optional newline followed by spaces
-
-			  \[
-				(.*?)		# id = $3
-			  \]
-			)
-			}xs',
-			array($this, '_doAnchors_reference_callback'), $text);
-
-		#
-		# Next, inline-style links: [link text](url "optional title")
-		#
-		$text = preg_replace_callback('{
-			(				# wrap whole match in $1
-			  \[
-				('.$this->nested_brackets_re.')	# link text = $2
-			  \]
-			  \(			# literal paren
-				[ \n]*
-				(?:
-					<(.+?)>	# href = $3
-				|
-					('.$this->nested_url_parenthesis_re.')	# href = $4
-				)
-				[ \n]*
-				(			# $5
-				  ([\'"])	# quote char = $6
-				  (.*?)		# Title = $7
-				  \6		# matching quote
-				  [ \n]*	# ignore any spaces/tabs between closing quote and )
-				)?			# title is optional
-			  \)
-			  (?:[ ]? '.$this->id_class_attr_catch_re.' )?	 # $8 = id/class attributes
-			)
-			}xs',
-			array($this, '_doAnchors_inline_callback'), $text);
-
-		#
-		# Last, handle reference-style shortcuts: [link text]
-		# These must come last in case you've also got [link text][1]
-		# or [link text](/foo)
-		#
-		$text = preg_replace_callback('{
-			(					# wrap whole match in $1
-			  \[
-				([^\[\]]+)		# link text = $2; can\'t contain [ or ]
-			  \]
-			)
-			}xs',
-			array($this, '_doAnchors_reference_callback'), $text);
-
-		$this->in_anchor = false;
-		return $text;
-	}
-	protected function _doAnchors_reference_callback($matches) {
-		$whole_match =  $matches[1];
-		$link_text   =  $matches[2];
-		$link_id     =& $matches[3];
-
-		if ($link_id == "") {
-			# for shortcut links like [this][] or [this].
-			$link_id = $link_text;
-		}
-		
-		# lower-case and turn embedded newlines into spaces
-		$link_id = strtolower($link_id);
-		$link_id = preg_replace('{[ ]?\n}', ' ', $link_id);
-
-		if (isset($this->urls[$link_id])) {
-			$url = $this->urls[$link_id];
-			$url = $this->encodeAttribute($url);
-			
-			$result = "<a rel=\"nofollow\" href=\"$url\"";
-			if ( isset( $this->titles[$link_id] ) ) {
-				$title = $this->titles[$link_id];
-				$title = $this->encodeAttribute($title);
-				$result .=  " title=\"$title\"";
-			}
-			if (isset($this->ref_attr[$link_id]))
-				$result .= $this->ref_attr[$link_id];
-		
-			$link_text = $this->runSpanGamut($link_text);
-			$result .= ">$link_text</a>";
-			$result = $this->hashPart($result);
-		}
-		else {
-			$result = $whole_match;
-		}
-		return $result;
-	}
-	protected function _doAnchors_inline_callback($matches) {
-		$whole_match	=  $matches[1];
-		$link_text		=  $this->runSpanGamut($matches[2]);
-		$url			=  $matches[3] == '' ? $matches[4] : $matches[3];
-		$title			=& $matches[7];
-		$attr  = $this->doExtraAttributes("a", $dummy =& $matches[8]);
-
-
-		$url = $this->encodeAttribute($url);
-
-		$result = "<a rel=\"nofollow\" href=\"$url\"";
-		if (isset($title)) {
-			$title = $this->encodeAttribute($title);
-			$result .=  " title=\"$title\"";
-		}
-		$result .= $attr;
-		
-		$link_text = $this->runSpanGamut($link_text);
-		$result .= ">$link_text</a>";
-
-		return $this->hashPart($result);
-	}
-
-
-	protected function doImages($text) {
-	#
-	# Turn Markdown image shortcuts into <img> tags.
-	#
-		#
-		# First, handle reference-style labeled images: ![alt text][id]
-		#
-		$text = preg_replace_callback('{
-			(				# wrap whole match in $1
-			  !\[
-				('.$this->nested_brackets_re.')		# alt text = $2
-			  \]
-
-			  [ ]?				# one optional space
-			  (?:\n[ ]*)?		# one optional newline followed by spaces
-
-			  \[
-				(.*?)		# id = $3
-			  \]
-
-			)
-			}xs', 
-			array($this, '_doImages_reference_callback'), $text);
-
-		#
-		# Next, handle inline images:  ![alt text](url "optional title")
-		# Don't forget: encode * and _
-		#
-		$text = preg_replace_callback('{
-			(				# wrap whole match in $1
-			  !\[
-				('.$this->nested_brackets_re.')		# alt text = $2
-			  \]
-			  \s?			# One optional whitespace character
-			  \(			# literal paren
-				[ \n]*
-				(?:
-					<(\S*)>	# src url = $3
-				|
-					('.$this->nested_url_parenthesis_re.')	# src url = $4
-				)
-				[ \n]*
-				(			# $5
-				  ([\'"])	# quote char = $6
-				  (.*?)		# title = $7
-				  \6		# matching quote
-				  [ \n]*
-				)?			# title is optional
-			  \)
-			  (?:[ ]? '.$this->id_class_attr_catch_re.' )?	 # $8 = id/class attributes
-			)
-			}xs',
-			array($this, '_doImages_inline_callback'), $text);
-
-		return $text;
-	}
-	protected function _doImages_reference_callback($matches) {
-		$whole_match = $matches[1];
-		$alt_text    = $matches[2];
-		$link_id     = strtolower($matches[3]);
-
-		if ($link_id == "") {
-			$link_id = strtolower($alt_text); # for shortcut links like ![this][].
-		}
-
-		$alt_text = $this->encodeAttribute($alt_text);
-		if (isset($this->urls[$link_id])) {
-			$url = $this->encodeAttribute($this->urls[$link_id]);
-			$result = "<img src=\"$url\" alt=\"$alt_text\"";
-			if (isset($this->titles[$link_id])) {
-				$title = $this->titles[$link_id];
-				$title = $this->encodeAttribute($title);
-				$result .=  " title=\"$title\"";
-			}
-			if (isset($this->ref_attr[$link_id]))
-				$result .= $this->ref_attr[$link_id];
-			$result .= $this->empty_element_suffix;
-			$result = $this->hashPart($result);
-		}
-		else {
-			# If there's no such link ID, leave intact:
-			$result = $whole_match;
-		}
-
-		return $result;
-	}
-	protected function _doImages_inline_callback($matches) {
-		$whole_match	= $matches[1];
-		$alt_text		= $matches[2];
-		$url			= $matches[3] == '' ? $matches[4] : $matches[3];
-		$title			=& $matches[7];
-		$attr  = $this->doExtraAttributes("img", $dummy =& $matches[8]);
-
-		$alt_text = $this->encodeAttribute($alt_text);
-		$url = $this->encodeAttribute($url);
-		$result = "<img src=\"$url\" alt=\"$alt_text\"";
-		if (isset($title)) {
-			$title = $this->encodeAttribute($title);
-			$result .=  " title=\"$title\""; # $title already quoted
-		}
-		$result .= $attr;
-		$result .= $this->empty_element_suffix;
-
-		return $this->hashPart($result);
-	}
-
-
-	protected function doHeaders($text) {
-	#
-	# Redefined to add id and class attribute support.
-	#
-		# Setext-style headers:
-		#	  Header 1  {#header1}
-		#	  ========
-		#  
-		#	  Header 2  {#header2 .class1 .class2}
-		#	  --------
-		#
-		$text = preg_replace_callback(
-			'{
-				(^.+?)								# $1: Header text
-				(?:[ ]+ '.$this->id_class_attr_catch_re.' )?	 # $3 = id/class attributes
-				[ ]*\n(=+|-+)[ ]*\n+				# $3: Header footer
-			}mx',
-			array($this, '_doHeaders_callback_setext'), $text);
-
-		# atx-style headers:
-		#	# Header 1        {#header1}
-		#	## Header 2       {#header2}
-		#	## Header 2 with closing hashes ##  {#header3.class1.class2}
-		#	...
-		#	###### Header 6   {.class2}
-		#
-		$text = preg_replace_callback('{
-				^(\#{1,6})	# $1 = string of #\'s
-				[ ]*
-				(.+?)		# $2 = Header text
-				[ ]*
-				\#*			# optional closing #\'s (not counted)
-				(?:[ ]+ '.$this->id_class_attr_catch_re.' )?	 # $3 = id/class attributes
-				[ ]*
-				\n+
-			}xm',
-			array($this, '_doHeaders_callback_atx'), $text);
-
-		return $text;
-	}
-	protected function _doHeaders_callback_setext($matches) {
-		if ($matches[3] == '-' && preg_match('{^- }', $matches[1]))
-			return $matches[0];
-		$level = $matches[3]{0} == '=' ? 1 : 2;
-		$attr  = $this->doExtraAttributes("h$level", $dummy =& $matches[2]);
-		$block = "<h$level$attr>".$this->runSpanGamut($matches[1])."</h$level>";
-		return "\n" . $this->hashBlock($block) . "\n\n";
-	}
-	protected function _doHeaders_callback_atx($matches) {
-		$level = strlen($matches[1]);
-		$attr  = $this->doExtraAttributes("h$level", $dummy =& $matches[3]);
-		$block = "<h$level$attr>".$this->runSpanGamut($matches[2])."</h$level>";
-		return "\n" . $this->hashBlock($block) . "\n\n";
-	}
-
-
-	protected function doTables($text) {
-	#
-	# Form HTML tables.
-	#
-		$less_than_tab = $this->tab_width - 1;
-		#
-		# Find tables with leading pipe.
-		#
-		#	| Header 1 | Header 2
-		#	| -------- | --------
-		#	| Cell 1   | Cell 2
-		#	| Cell 3   | Cell 4
-		#
-		$text = preg_replace_callback('
-			{
-				^							# Start of a line
-				[ ]{0,'.$less_than_tab.'}	# Allowed whitespace.
-				[|]							# Optional leading pipe (present)
-				(.+) \n						# $1: Header row (at least one pipe)
-				
-				[ ]{0,'.$less_than_tab.'}	# Allowed whitespace.
-				[|] ([ ]*[-:]+[-| :]*) \n	# $2: Header underline
-				
-				(							# $3: Cells
-					(?>
-						[ ]*				# Allowed whitespace.
-						[|] .* \n			# Row content.
-					)*
-				)
-				(?=\n|\Z)					# Stop at final double newline.
-			}xm',
-			array($this, '_doTable_leadingPipe_callback'), $text);
-		
-		#
-		# Find tables without leading pipe.
-		#
-		#	Header 1 | Header 2
-		#	-------- | --------
-		#	Cell 1   | Cell 2
-		#	Cell 3   | Cell 4
-		#
-		$text = preg_replace_callback('
-			{
-				^							# Start of a line
-				[ ]{0,'.$less_than_tab.'}	# Allowed whitespace.
-				(\S.*[|].*) \n				# $1: Header row (at least one pipe)
-				
-				[ ]{0,'.$less_than_tab.'}	# Allowed whitespace.
-				([-:]+[ ]*[|][-| :]*) \n	# $2: Header underline
-				
-				(							# $3: Cells
-					(?>
-						.* [|] .* \n		# Row content
-					)*
-				)
-				(?=\n|\Z)					# Stop at final double newline.
-			}xm',
-			array($this, '_DoTable_callback'), $text);
-
-		return $text;
-	}
-	protected function _doTable_leadingPipe_callback($matches) {
-		$head		= $matches[1];
-		$underline	= $matches[2];
-		$content	= $matches[3];
-		
-		# Remove leading pipe for each row.
-		$content	= preg_replace('/^ *[|]/m', '', $content);
-		
-		return $this->_doTable_callback(array($matches[0], $head, $underline, $content));
-	}
-	protected function _doTable_makeAlignAttr($alignname)
-	{
-		if (empty($this->table_align_class_tmpl))
-			return " align=\"$alignname\"";
-
-		$classname = str_replace('%%', $alignname, $this->table_align_class_tmpl);
-		return " class=\"$classname\"";
-	}
-	protected function _doTable_callback($matches) {
-		$head		= $matches[1];
-		$underline	= $matches[2];
-		$content	= $matches[3];
-
-		# Remove any tailing pipes for each line.
-		$head		= preg_replace('/[|] *$/m', '', $head);
-		$underline	= preg_replace('/[|] *$/m', '', $underline);
-		$content	= preg_replace('/[|] *$/m', '', $content);
-		
-		# Reading alignement from header underline.
-		$separators	= preg_split('/ *[|] */', $underline);
-		foreach ($separators as $n => $s) {
-			if (preg_match('/^ *-+: *$/', $s))
-				$attr[$n] = $this->_doTable_makeAlignAttr('right');
-			else if (preg_match('/^ *:-+: *$/', $s))
-				$attr[$n] = $this->_doTable_makeAlignAttr('center');
-			else if (preg_match('/^ *:-+ *$/', $s))
-				$attr[$n] = $this->_doTable_makeAlignAttr('left');
-			else
-				$attr[$n] = '';
-		}
-		
-		# Parsing span elements, including code spans, character escapes, 
-		# and inline HTML tags, so that pipes inside those gets ignored.
-		$head		= $this->parseSpan($head);
-		$headers	= preg_split('/ *[|] */', $head);
-		$col_count	= count($headers);
-		$attr       = array_pad($attr, $col_count, '');
-		
-		# Write column headers.
-		$text = "<table>\n";
-		$text .= "<thead>\n";
-		$text .= "<tr>\n";
-		foreach ($headers as $n => $header)
-			$text .= "  <th$attr[$n]>".$this->runSpanGamut(trim($header))."</th>\n";
-		$text .= "</tr>\n";
-		$text .= "</thead>\n";
-		
-		# Split content by row.
-		$rows = explode("\n", trim($content, "\n"));
-		
-		$text .= "<tbody>\n";
-		foreach ($rows as $row) {
-			# Parsing span elements, including code spans, character escapes, 
-			# and inline HTML tags, so that pipes inside those gets ignored.
-			$row = $this->parseSpan($row);
-			
-			# Split row by cell.
-			$row_cells = preg_split('/ *[|] */', $row, $col_count);
-			$row_cells = array_pad($row_cells, $col_count, '');
-			
-			$text .= "<tr>\n";
-			foreach ($row_cells as $n => $cell)
-				$text .= "  <td$attr[$n]>".$this->runSpanGamut(trim($cell))."</td>\n";
-			$text .= "</tr>\n";
-		}
-		$text .= "</tbody>\n";
-		$text .= "</table>";
-		
-		return $this->hashBlock($text) . "\n";
-	}
-
-	
-	protected function doDefLists($text) {
-	#
-	# Form HTML definition lists.
-	#
-		$less_than_tab = $this->tab_width - 1;
-
-		# Re-usable pattern to match any entire dl list:
-		$whole_list_re = '(?>
-			(								# $1 = whole list
-			  (								# $2
-				[ ]{0,'.$less_than_tab.'}
-				((?>.*\S.*\n)+)				# $3 = defined term
-				\n?
-				[ ]{0,'.$less_than_tab.'}:[ ]+ # colon starting definition
-			  )
-			  (?s:.+?)
-			  (								# $4
-				  \z
-				|
-				  \n{2,}
-				  (?=\S)
-				  (?!						# Negative lookahead for another term
-					[ ]{0,'.$less_than_tab.'}
-					(?: \S.*\n )+?			# defined term
-					\n?
-					[ ]{0,'.$less_than_tab.'}:[ ]+ # colon starting definition
-				  )
-				  (?!						# Negative lookahead for another definition
-					[ ]{0,'.$less_than_tab.'}:[ ]+ # colon starting definition
-				  )
-			  )
-			)
-		)'; // mx
-
-		$text = preg_replace_callback('{
-				(?>\A\n?|(?<=\n\n))
-				'.$whole_list_re.'
-			}mx',
-			array($this, '_doDefLists_callback'), $text);
-
-		return $text;
-	}
-	protected function _doDefLists_callback($matches) {
-		# Re-usable patterns to match list item bullets and number markers:
-		$list = $matches[1];
-		
-		# Turn double returns into triple returns, so that we can make a
-		# paragraph for the last item in a list, if necessary:
-		$result = trim($this->processDefListItems($list));
-		$result = "<dl>\n" . $result . "\n</dl>";
-		return $this->hashBlock($result) . "\n\n";
-	}
-
-
-	protected function processDefListItems($list_str) {
-	#
-	#	Process the contents of a single definition list, splitting it
-	#	into individual term and definition list items.
-	#
-		$less_than_tab = $this->tab_width - 1;
-		
-		# trim trailing blank lines:
-		$list_str = preg_replace("/\n{2,}\\z/", "\n", $list_str);
-
-		# Process definition terms.
-		$list_str = preg_replace_callback('{
-			(?>\A\n?|\n\n+)					# leading line
-			(								# definition terms = $1
-				[ ]{0,'.$less_than_tab.'}	# leading whitespace
-				(?!\:[ ]|[ ])				# negative lookahead for a definition
-											#   mark (colon) or more whitespace.
-				(?> \S.* \n)+?				# actual term (not whitespace).	
-			)			
-			(?=\n?[ ]{0,3}:[ ])				# lookahead for following line feed 
-											#   with a definition mark.
-			}xm',
-			array($this, '_processDefListItems_callback_dt'), $list_str);
-
-		# Process actual definitions.
-		$list_str = preg_replace_callback('{
-			\n(\n+)?						# leading line = $1
-			(								# marker space = $2
-				[ ]{0,'.$less_than_tab.'}	# whitespace before colon
-				\:[ ]+						# definition mark (colon)
-			)
-			((?s:.+?))						# definition text = $3
-			(?= \n+ 						# stop at next definition mark,
-				(?:							# next term or end of text
-					[ ]{0,'.$less_than_tab.'} \:[ ]	|
-					<dt> | \z
-				)						
-			)					
-			}xm',
-			array($this, '_processDefListItems_callback_dd'), $list_str);
-
-		return $list_str;
-	}
-	protected function _processDefListItems_callback_dt($matches) {
-		$terms = explode("\n", trim($matches[1]));
-		$text = '';
-		foreach ($terms as $term) {
-			$term = $this->runSpanGamut(trim($term));
-			$text .= "\n<dt>" . $term . "</dt>";
-		}
-		return $text . "\n";
-	}
-	protected function _processDefListItems_callback_dd($matches) {
-		$leading_line	= $matches[1];
-		$marker_space	= $matches[2];
-		$def			= $matches[3];
-
-		if ($leading_line || preg_match('/\n{2,}/', $def)) {
-			# Replace marker with the appropriate whitespace indentation
-			$def = str_repeat(' ', strlen($marker_space)) . $def;
-			$def = $this->runBlockGamut($this->outdent($def . "\n\n"));
-			$def = "\n". $def ."\n";
-		}
-		else {
-			$def = rtrim($def);
-			$def = $this->runSpanGamut($this->outdent($def));
-		}
-
-		return "\n<dd>" . $def . "</dd>\n";
-	}
-
-
-	protected function doFencedCodeBlocks($text) {
-	#
-	# Adding the fenced code block syntax to regular Markdown:
-	#
-	# ~~~
-	# Code block
-	# ~~~
-	#
-		$less_than_tab = $this->tab_width;
-		
-		$text = preg_replace_callback('{
-				(?:\n|\A)
-				# 1: Opening marker
-				(
-					~{3,} # Marker: three tilde or more.
-				)
-				[ ]*
-				(?:
-					\.?([-_:a-zA-Z0-9]+) # 2: standalone class name
-				|
-					'.$this->id_class_attr_catch_re.' # 3: Extra attributes
-				)?
-				[ ]* \n # Whitespace and newline following marker.
-				
-				# 4: Content
-				(
-					(?>
-						(?!\1 [ ]* \n)	# Not a closing marker.
-						.*\n+
-					)+
-				)
-				
-				# Closing marker.
-				\1 [ ]* \n
-			}xm',
-			array($this, '_doFencedCodeBlocks_callback'), $text);
-
-		return $text;
-	}
-	protected function _doFencedCodeBlocks_callback($matches) {
-		$classname =& $matches[2];
-		$attrs     =& $matches[3];
-		$codeblock = $matches[4];
-		$codeblock = htmlspecialchars($codeblock, ENT_NOQUOTES);
-		$codeblock = preg_replace_callback('/^\n+/',
-			array($this, '_doFencedCodeBlocks_newlines'), $codeblock);
-
-		if ($classname != "") {
-			if ($classname{0} == '.')
-				$classname = substr($classname, 1);
-			$attr_str = ' class="'.$this->code_class_prefix.$classname.'"';
-		} else {
-			$attr_str = $this->doExtraAttributes($this->code_attr_on_pre ? "pre" : "code", $attrs);
-		}
-		$pre_attr_str  = $this->code_attr_on_pre ? $attr_str : '';
-		$code_attr_str = $this->code_attr_on_pre ? '' : $attr_str;
-		$codeblock  = "<pre$pre_attr_str><code$code_attr_str>$codeblock</code></pre>";
-		
-		return "\n\n".$this->hashBlock($codeblock)."\n\n";
-	}
-	protected function _doFencedCodeBlocks_newlines($matches) {
-		return str_repeat("<br$this->empty_element_suffix", 
-			strlen($matches[0]));
-	}
-
-
-	#
-	# Redefining emphasis markers so that emphasis by underscore does not
-	# work in the middle of a word.
-	#
-	protected $em_relist = array(
-		''  => '(?:(?<!\*)\*(?!\*)|(?<![a-zA-Z0-9_])_(?!_))(?=\S|$)(?![\.,:;]\s)',
-		'*' => '(?<=\S|^)(?<!\*)\*(?!\*)',
-		'_' => '(?<=\S|^)(?<!_)_(?![a-zA-Z0-9_])',
-		);
-	protected $strong_relist = array(
-		''   => '(?:(?<!\*)\*\*(?!\*)|(?<![a-zA-Z0-9_])__(?!_))(?=\S|$)(?![\.,:;]\s)',
-		'**' => '(?<=\S|^)(?<!\*)\*\*(?!\*)',
-		'__' => '(?<=\S|^)(?<!_)__(?![a-zA-Z0-9_])',
-		);
-	protected $em_strong_relist = array(
-		''    => '(?:(?<!\*)\*\*\*(?!\*)|(?<![a-zA-Z0-9_])___(?!_))(?=\S|$)(?![\.,:;]\s)',
-		'***' => '(?<=\S|^)(?<!\*)\*\*\*(?!\*)',
-		'___' => '(?<=\S|^)(?<!_)___(?![a-zA-Z0-9_])',
-		);
-
-
-	protected function formParagraphs($text) {
-	#
-	#	Params:
-	#		$text - string to process with html <p> tags
-	#
-		# Strip leading and trailing lines:
-		$text = preg_replace('/\A\n+|\n+\z/', '', $text);
-		
-		$grafs = preg_split('/\n{2,}/', $text, -1, PREG_SPLIT_NO_EMPTY);
-
-		#
-		# Wrap <p> tags and unhashify HTML blocks
-		#
-		foreach ($grafs as $key => $value) {
-			$value = trim($this->runSpanGamut($value));
-			
-			# Check if this should be enclosed in a paragraph.
-			# Clean tag hashes & block tag hashes are left alone.
-			$is_p = !preg_match('/^B\x1A[0-9]+B|^C\x1A[0-9]+C$/', $value);
-			
-			if ($is_p) {
-				$value = "<p>$value</p>";
-			}
-			$grafs[$key] = $value;
-		}
-		
-		# Join grafs in one text, then unhash HTML tags. 
-		$text = implode("\n\n", $grafs);
-		
-		# Finish by removing any tag hashes still present in $text.
-		$text = $this->unhash($text);
-		
-		return $text;
-	}
-	
-	
-	### Footnotes
-	
-	protected function stripFootnotes($text) {
-	#
-	# Strips link definitions from text, stores the URLs and titles in
-	# hash references.
-	#
-		$less_than_tab = $this->tab_width - 1;
-
-		# Link defs are in the form: [^id]: url "optional title"
-		$text = preg_replace_callback('{
-			^[ ]{0,'.$less_than_tab.'}\[\^(.+?)\][ ]?:	# note_id = $1
-			  [ ]*
-			  \n?					# maybe *one* newline
-			(						# text = $2 (no blank lines allowed)
-				(?:					
-					.+				# actual text
-				|
-					\n				# newlines but 
-					(?!\[\^.+?\]:\s)# negative lookahead for footnote marker.
-					(?!\n+[ ]{0,3}\S)# ensure line is not blank and followed 
-									# by non-indented content
-				)*
-			)		
-			}xm',
-			array($this, '_stripFootnotes_callback'),
-			$text);
-		return $text;
-	}
-	protected function _stripFootnotes_callback($matches) {
-		$note_id = $this->fn_id_prefix . $matches[1];
-		$this->footnotes[$note_id] = $this->outdent($matches[2]);
-		return ''; # String that will replace the block
-	}
-
-
-	protected function doFootnotes($text) {
-	#
-	# Replace footnote references in $text [^id] with a special text-token 
-	# which will be replaced by the actual footnote marker in appendFootnotes.
-	#
-		if (!$this->in_anchor) {
-			$text = preg_replace('{\[\^(.+?)\]}', "F\x1Afn:\\1\x1A:", $text);
-		}
-		return $text;
-	}
-
-	
-	protected function appendFootnotes($text) {
-	#
-	# Append footnote list to text.
-	#
-		$text = preg_replace_callback('{F\x1Afn:(.*?)\x1A:}', 
-			array($this, '_appendFootnotes_callback'), $text);
-	
-		if (!empty($this->footnotes_ordered)) {
-			$text .= "\n\n";
-			$text .= "<div class=\"footnotes\">\n";
-			$text .= "<hr". $this->empty_element_suffix ."\n";
-			$text .= "<ol>\n\n";
-			
-			$attr = " rev=\"footnote\"";
-			if ($this->fn_backlink_class != "") {
-				$class = $this->fn_backlink_class;
-				$class = $this->encodeAttribute($class);
-				$attr .= " class=\"$class\"";
-			}
-			if ($this->fn_backlink_title != "") {
-				$title = $this->fn_backlink_title;
-				$title = $this->encodeAttribute($title);
-				$attr .= " title=\"$title\"";
-			}
-			$num = 0;
-			
-			while (!empty($this->footnotes_ordered)) {
-				$footnote = reset($this->footnotes_ordered);
-				$note_id = key($this->footnotes_ordered);
-				unset($this->footnotes_ordered[$note_id]);
-				$ref_count = $this->footnotes_ref_count[$note_id];
-				unset($this->footnotes_ref_count[$note_id]);
-				unset($this->footnotes[$note_id]);
-				
-				$footnote .= "\n"; # Need to append newline before parsing.
-				$footnote = $this->runBlockGamut("$footnote\n");				
-				$footnote = preg_replace_callback('{F\x1Afn:(.*?)\x1A:}', 
-					array($this, '_appendFootnotes_callback'), $footnote);
-				
-				$attr = str_replace("%%", ++$num, $attr);
-				$note_id = $this->encodeAttribute($note_id);
-
-				# Prepare backlink, multiple backlinks if multiple references
-				$backlink = "<a href=\"#fnref:$note_id\"$attr>&#8617;</a>";
-				for ($ref_num = 2; $ref_num <= $ref_count; ++$ref_num) {
-					$backlink .= " <a href=\"#fnref$ref_num:$note_id\"$attr>&#8617;</a>";
-				}
-				# Add backlink to last paragraph; create new paragraph if needed.
-				if (preg_match('{</p>$}', $footnote)) {
-					$footnote = substr($footnote, 0, -4) . "&#160;$backlink</p>";
-				} else {
-					$footnote .= "\n\n<p>$backlink</p>";
-				}
-				
-				$text .= "<li id=\"fn:$note_id\">\n";
-				$text .= $footnote . "\n";
-				$text .= "</li>\n\n";
-			}
-			
-			$text .= "</ol>\n";
-			$text .= "</div>";
-		}
-		return $text;
-	}
-	protected function _appendFootnotes_callback($matches) {
-		$node_id = $this->fn_id_prefix . $matches[1];
-		
-		# Create footnote marker only if it has a corresponding footnote *and*
-		# the footnote hasn't been used by another marker.
-		if (isset($this->footnotes[$node_id])) {
-			$num =& $this->footnotes_numbers[$node_id];
-			if (!isset($num)) {
-				# Transfer footnote content to the ordered list and give it its
-				# number
-				$this->footnotes_ordered[$node_id] = $this->footnotes[$node_id];
-				$this->footnotes_ref_count[$node_id] = 1;
-				$num = $this->footnote_counter++;
-				$ref_count_mark = '';
-			} else {
-				$ref_count_mark = $this->footnotes_ref_count[$node_id] += 1;
-			}
-
-			$attr = "";
-			if ($this->fn_link_class != "") {
-				$class = $this->fn_link_class;
-				$class = $this->encodeAttribute($class);
-				$attr .= " class=\"$class\"";
-			}
-			if ($this->fn_link_title != "") {
-				$title = $this->fn_link_title;
-				$title = $this->encodeAttribute($title);
-				$attr .= " title=\"$title\"";
-			}
-			
-			$attr = str_replace("%%", $num, $attr);
-			$node_id = $this->encodeAttribute($node_id);
-			
-			return
-				"<sup id=\"fnref$ref_count_mark:$node_id\">".
-				"<a href=\"#fn:$node_id\"$attr>$num</a>".
-				"</sup>";
-		}
-		
-		return "[^".$matches[1]."]";
-	}
-		
-	
-	### Abbreviations ###
-	
-	protected function stripAbbreviations($text) {
-	#
-	# Strips abbreviations from text, stores titles in hash references.
-	#
-		$less_than_tab = $this->tab_width - 1;
-
-		# Link defs are in the form: [id]*: url "optional title"
-		$text = preg_replace_callback('{
-			^[ ]{0,'.$less_than_tab.'}\*\[(.+?)\][ ]?:	# abbr_id = $1
-			(.*)					# text = $2 (no blank lines allowed)	
-			}xm',
-			array($this, '_stripAbbreviations_callback'),
-			$text);
-		return $text;
-	}
-	protected function _stripAbbreviations_callback($matches) {
-		$abbr_word = $matches[1];
-		$abbr_desc = $matches[2];
-		if ($this->abbr_word_re)
-			$this->abbr_word_re .= '|';
-		$this->abbr_word_re .= preg_quote($abbr_word);
-		$this->abbr_desciptions[$abbr_word] = trim($abbr_desc);
-		return ''; # String that will replace the block
-	}
-	
-	
-	protected function doAbbreviations($text) {
-	#
-	# Find defined abbreviations in text and wrap them in <abbr> elements.
-	#
-		if ($this->abbr_word_re) {
-			// cannot use the /x modifier because abbr_word_re may 
-			// contain significant spaces:
-			$text = preg_replace_callback('{'.
-				'(?<![\w\x1A])'.
-				'(?:'.$this->abbr_word_re.')'.
-				'(?![\w\x1A])'.
-				'}', 
-				array($this, '_doAbbreviations_callback'), $text);
-		}
-		return $text;
-	}
-	protected function _doAbbreviations_callback($matches) {
-		$abbr = $matches[0];
-		if (isset($this->abbr_desciptions[$abbr])) {
-			$desc = $this->abbr_desciptions[$abbr];
-			if (empty($desc)) {
-				return $this->hashPart("<abbr>$abbr</abbr>");
-			} else {
-				$desc = $this->encodeAttribute($desc);
-				return $this->hashPart("<abbr title=\"$desc\">$abbr</abbr>");
-			}
-		} else {
-			return $matches[0];
-		}
-	}
-
-}
-
-// https://github.com/egil/php-markdown-extra-extended
-class MarkdownExtraExtended extends MarkdownExtra {
-	# Tags that are always treated as block tags:
-	protected $block_tags_re = 'figure|figcaption|p|div|h[1-6]|blockquote|pre|table|dl|ol|ul|address|form|fieldset|iframe|hr|legend';
-		
-	public function __construct() {
-        /*
-		$this->block_gamut += array(
-			"doFencedFigures"   => 7
-		);
-        */
-
-        $this->document_gamut += array(
-            "doClearBreaks"     =>  100
-        );
-		
-		parent::__construct();
-	}
-
-    public static function defaultTransform($text) {
-		# try to take parser from the static parser list
-		static $parser;
-
-		# create the parser it not already set
-		if (!$parser) {
-			$parser = new MarkdownExtraExtended();
-        }
-
-		# Transform text using parser.
-		return $parser->transform($text);
-	}
-	
-	public function doHardBreaks($text) {
-		# Do hard breaks:
-		# EXTENDED: changed to allow breaks without two spaces and just one new line
-		# original code /* return preg_replace_callback('/ {2,}\n/', */
-		return preg_replace_callback('/ *\n/', 
-			array($this, '_doHardBreaks_callback'), $text);
-	}
-
-    public function doClearBreaks($text) {
-        return preg_replace("/\s*((?:<br \/>\n)+)\s*(<\/?(?:$this->block_tags_re|li|dd|dt)[^\d])/is",
-            "\\2", $text);
-    }
-
-
-	public function doBlockQuotes($text) {
-		$text = preg_replace_callback('/
-			(?>^[ ]*>[ ]?
-				(?:\((.+?)\))?
-				[ ]*(.+\n(?:.+\n)*)
-			)+	
-			/xm',
-			array($this, '_doBlockQuotes_callback'), $text);
-
-		return $text;
-	}
-	
-	public function _doBlockQuotes_callback($matches) {
-		$cite = $matches[1];
-		$bq = '> ' . $matches[2];
-		# trim one level of quoting - trim whitespace-only lines
-		$bq = preg_replace('/^[ ]*>[ ]?|^[ ]+$/m', '', $bq);
-		$bq = $this->runBlockGamut($bq);		# recurse
-
-		$bq = preg_replace('/^/m', "  ", $bq);
-		# These leading spaces cause problem with <pre> content, 
-		# so we need to fix that:
-		$bq = preg_replace_callback('{(\s*<pre>.+?</pre>)}sx', 
-			array($this, '_doBlockQuotes_callback2'), $bq);
-		
-		$res = "<blockquote";
-		$res .= empty($cite) ? ">" : " cite=\"$cite\">";
-		$res .= "\n$bq\n</blockquote>";
-		return "\n". $this->hashBlock($res)."\n\n";
-	}
-
-	public function doFencedCodeBlocks($text) {
-		$less_than_tab = $this->tab_width;
-		
-		$text = preg_replace_callback('{
-				(?:\n|\A)
-				# 1: Opening marker
-				(
-					~{3,}|`{3,} # Marker: three tilde or more.
-				)
-				
-				[ ]?(\w+)?(?:,[ ]?(\d+))?[ ]* \n # Whitespace and newline following marker.
-				
-				# 3: Content
-				(
-					(?>
-						(?!\1 [ ]* \n)	# Not a closing marker.
-						.*\n+
-					)+
-				)
-				
-				# Closing marker.
-				\1 [ ]* \n
-			}xm',
-			array($this, '_doFencedCodeBlocks_callback'), $text);
-
-		return $text;
-	}
-	
-	public function _doFencedCodeBlocks_callback($matches) {
-		$codeblock = $this->unhash($matches[4]);
-		$codeblock = htmlspecialchars($codeblock, ENT_NOQUOTES);
-		$codeblock = preg_replace_callback('/^\n+/',
-			array($this, '_doFencedCodeBlocks_newlines'), $codeblock);
-		//$codeblock = "<pre><code>$codeblock</code></pre>";
-		//$cb = "<pre><code";
-		$cb = empty($matches[3]) ? "<pre><code" : "<pre class=\"linenums:$matches[3]\"><code"; 
-		$cb .= empty($matches[2]) ? ">" : " class=\"lang-$matches[2]\">";
-		$cb .= "$codeblock</code></pre>";
-		return "\n\n".$this->hashBlock($cb)."\n\n";
-	}
-
-	public function doFencedFigures($text){
-		$text = preg_replace_callback('{
-			(?:\n|\A)
-			# 1: Opening marker
-			(
-				={3,} # Marker: equal sign.
-			)
-			
-			[ ]?(?:\[([^\]]+)\])?[ ]* \n # Whitespace and newline following marker.
-			
-			# 3: Content
-			(
-				(?>
-					(?!\1 [ ]?(?:\[([^\]]+)\])?[ ]* \n)	# Not a closing marker.
-					.*\n+
-				)+
-			)
-			
-			# Closing marker.
-			\1 [ ]?(?:\[([^\]]+)\])?[ ]* \n
-		}xm', array($this, '_doFencedFigures_callback'), $text);		
-		
-		return $text;	
-	}
-	
-	public function _doFencedFigures_callback($matches) {
-		# get figcaption
-		$topcaption = empty($matches[2]) ? null : $this->runBlockGamut($matches[2]);
-		$bottomcaption = empty($matches[5]) ? null : $this->runBlockGamut($matches[5]);
-		$figure = $matches[3];
-		$figure = $this->runBlockGamut($figure); # recurse
-
-		$figure = preg_replace('/^/m', "  ", $figure);
-		# These leading spaces cause problem with <pre> content, 
-		# so we need to fix that - reuse blockqoute code to handle this:
-		$figure = preg_replace_callback('{(\s*<pre>.+?</pre>)}sx', 
-			array($this, '_doBlockQuotes_callback2'), $figure);
-		
-		$res = "<figure>";
-		if(!empty($topcaption)){
-			$res .= "\n<figcaption>$topcaption</figcaption>";
-		}
-		$res .= "\n$figure\n";
-		if(!empty($bottomcaption) && empty($topcaption)){
-			$res .= "<figcaption>$bottomcaption</figcaption>";
-		}
-		$res .= "</figure>";		
-		return "\n". $this->hashBlock($res)."\n\n";
-	}
-}
-
diff --git a/var/Typecho/Request.php b/var/Typecho/Request.php
index e204b009..3e54319d 100644
--- a/var/Typecho/Request.php
+++ b/var/Typecho/Request.php
@@ -218,7 +218,10 @@ class Typecho_Request
     public static function getUrlPrefix()
     {
         if (empty(self::$_urlPrefix)) {
-            self::$_urlPrefix = ($this->isSecure() ? 'https' : 'http') 
+            $isSecure = (!empty($_SERVER['HTTPS']) && 'off' != strtolower($_SERVER['HTTPS'])) 
+                || (!empty($_SERVER['SERVER_PORT']) && 443 == $_SERVER['SERVER_PORT']);
+
+            self::$_urlPrefix = ($isSecure ? 'https' : 'http') 
                 . '://' . (isset($_SERVER['HTTP_HOST']) ? $_SERVER['HTTP_HOST'] : $_SERVER['SERVER_NAME'])
                 . (in_array($_SERVER['SERVER_PORT'], array(80, 443)) ? '' : ':' . $_SERVER['SERVER_PORT']);
         }
diff --git a/var/Widget/Abstract/Comments.php b/var/Widget/Abstract/Comments.php
index 7f2a6382..94aa0bd3 100644
--- a/var/Widget/Abstract/Comments.php
+++ b/var/Widget/Abstract/Comments.php
@@ -112,7 +112,7 @@ class Widget_Abstract_Comments extends Widget_Abstract
 
         $text = $this->pluginHandle(__CLASS__)->trigger($plugged)->content($text, $this);
         if (!$plugged) {
-            $text = $this->options->commentsMarkdown ? MarkdownExtraExtended::defaultTransform($text)
+            $text = $this->options->commentsMarkdown ? $this->markdown($text)
                 : Typecho_Common::cutParagraph($text);
         }
 
@@ -438,4 +438,25 @@ class Widget_Abstract_Comments extends Widget_Abstract
     {
         echo Typecho_Common::subStr(strip_tags($this->content), 0, $length, $trim);
     }
+
+    /**
+     * markdown  
+     * 
+     * @param mixed $text 
+     * @access public
+     * @return void
+     */
+    public function markdown($text)
+    {
+        $html = $this->pluginHandle(__CLASS__)->trigger($parsed)->markdown($text);
+
+        if (!$parsed) {
+            $parser = new ParsedownExtra();
+            $parser->setBreaksEnabled(true);
+            $html = $parser->text($text);
+        }
+
+        return $html;
+    }
 }
+
diff --git a/var/Widget/Abstract/Contents.php b/var/Widget/Abstract/Contents.php
index e937c8db..9f0a9855 100644
--- a/var/Widget/Abstract/Contents.php
+++ b/var/Widget/Abstract/Contents.php
@@ -109,7 +109,7 @@ class Widget_Abstract_Contents extends Widget_Abstract
 
         $content = $this->pluginHandle(__CLASS__)->trigger($plugged)->excerpt($this->text, $this);
         if (!$plugged) {
-            $content = $this->isMarkdown ? MarkdownExtraExtended::defaultTransform($content)
+            $content = $this->isMarkdown ? $this->markdown($content)
                 : Typecho_Common::cutParagraph($content);
         }
 
@@ -134,7 +134,7 @@ class Widget_Abstract_Contents extends Widget_Abstract
         $content = $this->pluginHandle(__CLASS__)->trigger($plugged)->content($this->text, $this);
 
         if (!$plugged) {
-            $content = $this->isMarkdown ? MarkdownExtraExtended::defaultTransform($content)
+            $content = $this->isMarkdown ? $this->markdown($content)
                 : Typecho_Common::cutParagraph($content);
         }
 
@@ -922,5 +922,25 @@ class Widget_Abstract_Contents extends Widget_Abstract
     {
         echo $this->author->{$item};
     }
+
+    /**
+     * markdown  
+     * 
+     * @param mixed $text 
+     * @access public
+     * @return void
+     */
+    public function markdown($text)
+    {
+        $html = $this->pluginHandle(__CLASS__)->trigger($parsed)->markdown($text);
+
+        if (!$parsed) {
+            $parser = new ParsedownExtra();
+            $parser->setBreaksEnabled(true);
+            $html = $parser->text($text);
+        }
+
+        return $html;
+    }
 }
 
diff --git a/var/Widget/Contents/Post/Edit.php b/var/Widget/Contents/Post/Edit.php
index 951fb488..54107db4 100644
--- a/var/Widget/Contents/Post/Edit.php
+++ b/var/Widget/Contents/Post/Edit.php
@@ -886,6 +886,17 @@ class Widget_Contents_Post_Edit extends Widget_Abstract_Contents implements Widg
         $this->response->goBack();
     }
 
+    /**
+     * 输出Markdown预览 
+     * 
+     * @access public
+     * @return void
+     */
+    public function preview()
+    {
+        $this->response->throwJson($this->markdown($this->request->text));
+    }
+
     /**
      * 绑定动作
      *
@@ -898,6 +909,7 @@ class Widget_Contents_Post_Edit extends Widget_Abstract_Contents implements Widg
         $this->on($this->request->is('do=publish') || $this->request->is('do=save'))->writePost();
         $this->on($this->request->is('do=delete'))->deletePost();
         $this->on($this->request->is('do=deleteDraft'))->deletePostDraft();
+        $this->on($this->request->is('do=preview'))->preview();
 
         $this->response->redirect($this->options->adminUrl);
     }