/*
 * this file has been commented to support visual studio intellisense.
 * you should not use this file at runtime inside the browser--it is only
 * intended to be used only for design-time intellisense.  please use the
 * standard jquery library for all production use.
 *
 * comment version: 1.4.1a
 */

/*!
 * jquery javascript library v1.4.1
 * http://jquery.com/
 *
 * distributed in whole under the terms of the mit
 *
 * copyright 2010, john resig
 *
 * permission is hereby granted, free of charge, to any person obtaining
 * a copy of this software and associated documentation files (the
 * "software"), to deal in the software without restriction, including
 * without limitation the rights to use, copy, modify, merge, publish,
 * distribute, sublicense, and/or sell copies of the software, and to
 * permit persons to whom the software is furnished to do so, subject to
 * the following conditions:
 *
 * the above copyright notice and this permission notice shall be
 * included in all copies or substantial portions of the software.
 *
 * the software is provided "as is", without warranty of any kind,
 * express or implied, including but not limited to the warranties of
 * merchantability, fitness for a particular purpose and
 * noninfringement. in no event shall the authors or copyright holders be
 * liable for any claim, damages or other liability, whether in an action
 * of contract, tort or otherwise, arising from, out of or in connection
 * with the software or the use or other dealings in the software.
 *
 * includes sizzle.js
 * http://sizzlejs.com/
 * copyright 2010, the dojo foundation
 * released under the mit, bsd, and gpl licenses.
 *
 * date: mon jan 25 19:43:33 2010 -0500
 */

(function( window, undefined ) {

// define a local copy of jquery
var jquery = function( selector, context ) {
		///	<summary>
		///		1: $(expression, context) - 此函数接受一个包含 css 选择器的字符串，随后将使用该选择器匹配一组元素。
		///		2: $(html) - 基于提供的原始 html 字符串动态创建 dom 元素。
		///		3: $(elements) - 围绕单个或多个 dom 元素包装 jquery 功能。
		///		4: $(callback) - $(document).ready() 的简写形式。
		///		5: $() - 从 jquery 1.4 开始，如果未向 jquery()方法传递任何参数，则将返回空的 jquery 集。
		///	</summary>
		///	<param name="selector" type="string">
		///		1: expression - 要用于搜索的表达式。
		///		2: html - 要动态创建的 html 字符串。
		///		3: elements - 将由 jquery 对象封装的 dom 元素。
		///		4: callback - 当 dom 就绪时要执行的函数。
		///	</param>
		///	<param name="context" type="jquery">
		///		1: context - 要用作上下文的 dom 元素、文档或 jquery。
		///	</param>
		///	<returns type="jquery" />

		// the jquery object is actually just the init constructor 'enhanced'
		return new jquery.fn.init( selector, context );
	},

	// map over jquery in case of overwrite
	_jquery = window.jquery,

	// map over the $ in case of overwrite
	_$ = window.$,

	// use the correct document accordingly with window argument (sandbox)
	document = window.document,

	// a central reference to the root jquery(document)
	rootjquery,

	// a simple way to check for html strings or id strings
	// (both of which we optimize for)
	quickexpr = /^[^<]*(<[\w\w]+>)[^>]*$|^#([\w-]+)$/,

	// is it a simple selector
	issimple = /^.[^:#\[\.,]*$/,

	// check if a string has a non-whitespace character in it
	rnotwhite = /\s/,

	// used for trimming whitespace
	rtrim = /^(\s|\u00a0)+|(\s|\u00a0)+$/g,

	// match a standalone tag
	rsingletag = /^<(\w+)\s*\/?>(?:<\/\1>)?$/,

	// keep a useragent string for use with jquery.browser
	useragent = navigator.useragent,

	// for matching the engine and version of the browser
	browsermatch,
	
	// has the ready events already been bound?
	readybound = false,
	
	// the functions to execute on dom ready
	readylist = [],

	// the ready event handler
	domcontentloaded,

	// save a reference to some core methods
	tostring = object.prototype.tostring,
	hasownproperty = object.prototype.hasownproperty,
	push = array.prototype.push,
	slice = array.prototype.slice,
	indexof = array.prototype.indexof;

jquery.fn = jquery.prototype = {
	init: function( selector, context ) {

		var match, elem, ret, doc;

		// handle $(""), $(null), or $(undefined)
		if ( !selector ) {
			return this;
		}

		// handle $(domelement)
		if ( selector.nodetype ) {
			this.context = this[0] = selector;
			this.length = 1;
			return this;
		}

		// handle html strings
		if ( typeof selector === "string" ) {
			// are we dealing with html string or an id?
			match = quickexpr.exec( selector );

			// verify a match, and that no context was specified for #id
			if ( match && (match[1] || !context) ) {

				// handle: $(html) -> $(array)
				if ( match[1] ) {
					doc = (context ? context.ownerdocument || context : document);

					// if a single string is passed in and it's a single tag
					// just do a createelement and skip the rest
					ret = rsingletag.exec( selector );

					if ( ret ) {
						if ( jquery.isplainobject( context ) ) {
							selector = [ document.createelement( ret[1] ) ];
							jquery.fn.attr.call( selector, context, true );

						} else {
							selector = [ doc.createelement( ret[1] ) ];
						}

					} else {
						ret = buildfragment( [ match[1] ], [ doc ] );
						selector = (ret.cacheable ? ret.fragment.clonenode(true) : ret.fragment).childnodes;
					}

				// handle: $("#id")
				} else {
					elem = document.getelementbyid( match[2] );

					if ( elem ) {
						// handle the case where ie and opera return items
						// by name instead of id
						if ( elem.id !== match[2] ) {
							return rootjquery.find( selector );
						}

						// otherwise, we inject the element directly into the jquery object
						this.length = 1;
						this[0] = elem;
					}

					this.context = document;
					this.selector = selector;
					return this;
				}

			// handle: $("tag")
			} else if ( !context && /^\w+$/.test( selector ) ) {
				this.selector = selector;
				this.context = document;
				selector = document.getelementsbytagname( selector );

			// 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 jquery( context ).find( selector );
			}

		// 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.isarray( selector ) ?
			this.setarray( selector ) :
			jquery.makearray( selector, this );
	},

	// start with an empty selector
	selector: "",

	// the current version of jquery being used
	jquery: "1.4.1",

	// the default length of a jquery object is 0
	length: 0,

	// the number of elements contained in the matched element set
	size: function() {
		///	<summary>
		///		当前匹配的元素的数目。
		///		核心部分
		///	</summary>
		///	<returns type="number" />

		return this.length;
	},

	toarray: function() {
		///	<summary>
		///		以数组的形式检索 jquery 集中包含的所有 dom 元素。
		///	</summary>
		///	<returns type="array" />
		return slice.call( this, 0 );
	},

	// get the nth element in the matched element set or
	// get the whole matched element set as a clean array
	get: function( num ) {
		///	<summary>
		///		访问单个匹配的元素。num 用于访问
		///		匹配的第 n 个元素。
		///		核心部分
		///	</summary>
		///	<returns type="element" />
		///	<param name="num" type="number">
		///		访问处于第 n 个位置的元素。
		///	</param>

		return num == null ?

			// return a 'clean' array
			this.toarray() :

			// return just the object
			( num < 0 ? this.slice(num)[ 0 ] : this[ num ] );
	},

	// take an array of elements and push it onto the stack
	// (returning the new matched element set)
	pushstack: function( elems, name, selector ) {
		///	<summary>
		///		将 jquery 对象设置为一个元素数组，同时对
		///		堆栈进行维护。
		///		核心部分
		///	</summary>
		///	<returns type="jquery" />
		///	<param name="elems" type="elements">
		///		元素数组
		///	</param>

		// build a new jquery matched element set
		var ret = jquery( elems || null );

		// add the old object onto the stack (as a reference)
		ret.prevobject = this;

		ret.context = this.context;

		if ( name === "find" ) {
			ret.selector = this.selector + (this.selector ? " " : "") + selector;
		} else if ( name ) {
			ret.selector = this.selector + "." + name + "(" + selector + ")";
		}

		// return the newly-formed element set
		return ret;
	},

	// force the current matched set of elements to become
	// the specified array of elements (destroying the stack in the process)
	// you should use pushstack() in order to do this, but maintain the stack
	setarray: function( elems ) {
		///	<summary>
		///		将 jquery 对象设置为一个元素数组。此操作具有十足的
		///		破坏性 - 如果您希望维护 jquery 堆栈，
		///		请务必使用 .pushstack()。
		///		核心部分
		///	</summary>
		///	<returns type="jquery" />
		///	<param name="elems" type="elements">
		///		元素数组
		///	</param>

		// resetting the length to 0, then using the native array push
		// is a super-fast way to populate an object with array-like properties
		this.length = 0;
		push.apply( this, elems );

		return this;
	},

	// execute a callback for every element in the matched set.
	// (you can seed the arguments with an array of args, but this is
	// only used internally.)
	each: function( callback, args ) {
		///	<summary>
		///		在每个匹配元素的上下文中执行函数。
		///		这意味着每次执行传入的函数
		///		(为每个匹配的元素执行一次)时，“this”关键字
		///		将指向特定元素。
		///		此外，在执行该函数时，还会为其传递一个参数，
		///		用于表示元素在匹配集中的位置
		///		。
		///		核心部分
		///	</summary>
		///	<returns type="jquery" />
		///	<param name="callback" type="function">
		///		要执行的函数
		///	</param>

		return jquery.each( this, callback, args );
	},
	
	ready: function( fn ) {
		///	<summary>
		///		绑定一个每当准备好遍历和操作 dom 时就要执行的函数。
		///	</summary>
		///	<param name="fn" type="function">当 dom 就绪时要执行的函数。</param>

		// attach the listeners
		jquery.bindready();

		// if the dom is already ready
		if ( jquery.isready ) {
			// execute the function immediately
			fn.call( document, jquery );

		// otherwise, remember the function for later
		} else if ( readylist ) {
			// add the function to the wait list
			readylist.push( fn );
		}

		return this;
	},
	
	eq: function( i ) {
		///	<summary>
		///		将匹配元素集简化为单个元素。
		///		元素在匹配元素集中的位置
		///		从 0 开始，直至 length - 1。
		///		核心部分
		///	</summary>
		///	<returns type="jquery" />
		///	<param name="num" type="number">
		///		pos 希望限制为的元素索引。
		///	</param>

		return i === -1 ?
			this.slice( i ) :
			this.slice( i, +i + 1 );
	},

	first: function() {
		///	<summary>
		///		将匹配元素集精简为集合中的第一个元素。
		///	</summary>
		///	<returns type="jquery" />

		return this.eq( 0 );
	},

	last: function() {
		///	<summary>
		///		将匹配元素集精简为集合中的最后一个元素。
		///	</summary>
		///	<returns type="jquery" />

		return this.eq( -1 );
	},

	slice: function() {
		///	<summary>
		///		选择匹配元素的子集。行为方式与内置的 array 切片方法完全一样。
		///	</summary>
		///	<param name="start" type="number" integer="true">开始子集的位置(从 0 开始)。</param>
		///	<param name="end" optional="true" type="number" integer="true">结束子集的位置(不包括结束元素本身)。
		///		如果省略，则在选择结束时结束</param>
		///	<returns type="jquery">切片元素</returns>

		return this.pushstack( slice.apply( this, arguments ),
			"slice", slice.call(arguments).join(",") );
	},

	map: function( callback ) {
		///	<summary>
		///		此成员为内部成员。
		///	</summary>
		///	<private />
		///	<returns type="jquery" />

		return this.pushstack( jquery.map(this, function( elem, i ) {
			return callback.call( elem, i, elem );
		}));
	},
	
	end: function() {
		///	<summary>
		///		结束最新的“破坏性”操作，并将匹配元素的列表
		///		还原回以前的状态。执行结束操作之后，匹配元素的列表将还原为
		///		匹配元素的最后状态。
		///		如果前面没有出现过破坏性操作，则将返回一个空集。
		///		dom/遍历部分
		///	</summary>
		///	<returns type="jquery" />

		return this.prevobject || jquery(null);
	},

	// 仅供内部使用。
	// 行为方式与数组的方法类似，而与 jquery 方法不类似。
	push: push,
	sort: [].sort,
	splice: [].splice
};

// 为 init 函数指定 jquery 原型以用于以后的实例化
jquery.fn.init.prototype = jquery.fn;

jquery.extend = jquery.fn.extend = function() {
	///	<summary>
	///		用一个或多个对象扩展另一个对象，并返回已修改的
	///		原始对象。这对于简单继承是一个非常有用的实用工具。
	///		jquery.extend(settings, options);
	///		var settings = jquery.extend({}, defaults, options);
	///		javascript 部分
	///	</summary>
	///	<param name="target" type="object">
	///		 要扩展的对象
	///	</param>
	///	<param name="prop1" type="object">
	///		 将合并到第一个对象的对象。
	///	</param>
	///	<param name="propn" type="object" optional="true" parameterarray="true">
	///		 (可选)要合并到第一个对象的多个对象
	///	</param>
	///	<returns type="object" />

	// copy reference to target object
	var target = arguments[0] || {}, i = 1, length = arguments.length, deep = false, options, name, src, copy;

	// handle a deep copy situation
	if ( typeof target === "boolean" ) {
		deep = target;
		target = arguments[1] || {};
		// skip the boolean and the target
		i = 2;
	}

	// handle case when target is a string or something (possible in deep copy)
	if ( typeof target !== "object" && !jquery.isfunction(target) ) {
		target = {};
	}

	// extend jquery itself if only one argument is passed
	if ( length === i ) {
		target = this;
		--i;
	}

	for ( ; i < length; i++ ) {
		// only deal with non-null/undefined values
		if ( (options = arguments[ i ]) != null ) {
			// extend the base object
			for ( name in options ) {
				src = target[ name ];
				copy = options[ name ];

				// prevent never-ending loop
				if ( target === copy ) {
					continue;
				}

				// recurse if we're merging object literal values or arrays
				if ( deep && copy && ( jquery.isplainobject(copy) || jquery.isarray(copy) ) ) {
					var clone = src && ( jquery.isplainobject(src) || jquery.isarray(src) ) ? src
						: jquery.isarray(copy) ? [] : {};

					// never move original objects, clone them
					target[ name ] = jquery.extend( deep, clone, copy );

				// don't bring in undefined values
				} else if ( copy !== undefined ) {
					target[ name ] = copy;
				}
			}
		}
	}

	// return the modified object
	return target;
};

jquery.extend({
	noconflict: function( deep ) {
		///	<summary>
		///		运行此函数以将 $ 变量的控制权交还给
		///		任何首先实现它的库。这可帮助确保
		///		jquery 不会与其他库的 $ 对象
		///		冲突。
		///		通过使用此函数，您将只能够使用“jquery”变量
		///		来访问 jquery。例如，在执行
		///		$(&quot;div p&quot;) 的位置，您现在必须执行 jquery(&quot;div p&quot;)。
		///		核心部分
		///	</summary>
		///	<returns type="undefined" />

		window.$ = _$;

		if ( deep ) {
			window.jquery = _jquery;
		}

		return jquery;
	},
	
	// 是否准备好使用 dom? 一旦准备好，请设置为 true。
	isready: false,
	
	// 当 dom 就绪时处理
	ready: function() {
		///	<summary>
		///		此方法为内部方法。
		///	</summary>
		///	<private />

		// make sure that the dom is not already loaded
		if ( !jquery.isready ) {
			// make sure body exists, at least, in case ie gets a little overzealous (ticket #5443).
			if ( !document.body ) {
				return settimeout( jquery.ready, 13 );
			}

			// remember that the dom is ready
			jquery.isready = true;

			// if there are functions bound, to execute
			if ( readylist ) {
				// execute all of them
				var fn, i = 0;
				while ( (fn = readylist[ i++ ]) ) {
					fn.call( document, jquery );
				}

				// reset the list of functions
				readylist = null;
			}

			// trigger any bound ready events
			if ( jquery.fn.triggerhandler ) {
				jquery( document ).triggerhandler( "ready" );
			}
		}
	},
	
	bindready: function() {
		if ( readybound ) {
			return;
		}

		readybound = true;

		// catch cases where $(document).ready() is called after the
		// browser event has already occurred.
		if ( document.readystate === "complete" ) {
			return jquery.ready();
		}

		// mozilla, opera and webkit nightlies currently support this event
		if ( document.addeventlistener ) {
			// use the handy event callback
			document.addeventlistener( "domcontentloaded", domcontentloaded, false );
			
			// a fallback to window.onload, that will always work
			window.addeventlistener( "load", jquery.ready, false );

		// if ie event model is used
		} else if ( document.attachevent ) {
			// ensure firing before onload,
			// maybe late but safe also for iframes
			document.attachevent("onreadystatechange", domcontentloaded);
			
			// a fallback to window.onload, that will always work
			window.attachevent( "onload", jquery.ready );

			// if ie and not a frame
			// continually check to see if the document is ready
			var toplevel = false;

			try {
				toplevel = window.frameelement == null;
			} catch(e) {}

			if ( document.documentelement.doscroll && toplevel ) {
				doscrollcheck();
			}
		}
	},

	// see test/unit/core.js for details concerning isfunction.
	// since version 1.3, dom methods and functions like alert
	// aren't supported. they return false on ie (#2968).
	isfunction: function( obj ) {
		///	<summary>
		///		确定传递的参数是否为函数。
		///	</summary>
		///	<param name="obj" type="object">要检查的对象</param>
		///	<returns type="boolean">如果该参数为函数，则为 true；否则为 false。</returns>

		return tostring.call(obj) === "[object function]";
	},

	isarray: function( obj ) {
		///	<summary>
		///		确定传递的参数是否为数组。
		///	</summary>
		///	<param name="obj" type="object">要测试其是否为数组的对象。</param>
		///	<returns type="boolean">如果该参数为函数，则为 true；否则为 false。</returns>

		return tostring.call(obj) === "[object array]";
	},

	isplainobject: function( obj ) {
		///	<summary>
		///		check to see if an object is a plain object (created using "{}" or "new object").
		///	</summary>
		///	<param name="obj" type="object">
		///		将检查其是否为纯对象的对象。
		///	</param>
		///	<returns type="boolean" />

		// must be an object.
		// because of ie, we also have to check the presence of the constructor property.
		// make sure that dom nodes and window objects don't pass through, as well
		if ( !obj || tostring.call(obj) !== "[object object]" || obj.nodetype || obj.setinterval ) {
			return false;
		}
		
		// not own constructor property must be object
		if ( obj.constructor
			&& !hasownproperty.call(obj, "constructor")
			&& !hasownproperty.call(obj.constructor.prototype, "isprototypeof") ) {
			return false;
		}
		
		// own properties are enumerated firstly, so to speed up,
		// if last one is own, then all properties are own.
	
		var key;
		for ( key in obj ) {}
		
		return key === undefined || hasownproperty.call( obj, key );
	},

	isemptyobject: function( obj ) {
		///	<summary>
		///		检查某个对象是否为空(不包含任何属性)。
		///	</summary>
		///	<param name="obj" type="object">
		///		将检查其是否为空的对象。
		///	</param>
		///	<returns type="boolean" />

		for ( var name in obj ) {
			return false;
		}
		return true;
	},
	
	error: function( msg ) {
		throw msg;
	},
	
	parsejson: function( data ) {
		if ( typeof data !== "string" || !data ) {
			return null;
		}
		
		// make sure the incoming data is actual json
		// logic borrowed from http://json.org/json2.js
		if ( /^[\],:{}\s]*$/.test(data.replace(/\\(?:["\\\/bfnrt]|u[0-9a-fa-f]{4})/g, "@")
			.replace(/"[^"\\\n\r]*"|true|false|null|-?\d+(?:\.\d*)?(?:[ee][+\-]?\d+)?/g, "]")
			.replace(/(?:^|:|,)(?:\s*\[)+/g, "")) ) {

			// try to use the native json parser first
			return window.json && window.json.parse ?
				window.json.parse( data ) :
				(new function("return " + data))();

		} else {
			jquery.error( "invalid json: " + data );
		}
	},

	noop: function() {
		///	<summary>
		///		一个空函数。
		///	</summary>
		///	<returns type="function" />
	},

	// 计算全局上下文中的脚本
	globaleval: function( data ) {
		///	<summary>
		///		在内部计算全局上下文中的脚本。
		///	</summary>
		///	<private />

		if ( data && rnotwhite.test(data) ) {
			// inspired by code by andrea giammarchi
			// http://webreflection.blogspot.com/2007/08/global-scope-evaluation-and-dom.html
			var head = document.getelementsbytagname("head")[0] || document.documentelement,
				script = document.createelement("script");

			script.type = "text/javascript";

			if ( jquery.support.scripteval ) {
				script.appendchild( document.createtextnode( data ) );
			} else {
				script.text = data;
			}

			// use insertbefore instead of appendchild to circumvent an ie6 bug.
			// this arises when a base node is used (#2709).
			head.insertbefore( script, head.firstchild );
			head.removechild( script );
		}
	},

	nodename: function( elem, name ) {
		///	<summary>
		///		检查指定的元素是否具有指定的 dom 节点名称。
		///	</summary>
		///	<param name="elem" type="element">要检查的元素</param>
		///	<param name="name" type="string">要检查的节点名称</param>
		///	<returns type="boolean">如果指定的节点名称与节点的 dom 节点名称匹配，则为 true；否则为 false</returns>

		return elem.nodename && elem.nodename.touppercase() === name.touppercase();
	},

	// args is for internal usage only
	each: function( object, callback, args ) {
		///	<summary>
		///		一个泛型迭代器函数，它可用于无缝地
		///		循环访问对象和数组。此函数不同于
		///		$().each()，该函数用于以独占方式循环访问 jquery
		///		对象。此函数可用于循环访问任何内容。
		///		该回调具有两个参数: key (对象)或 index (数组)作为
		///		第一个参数，value 作为第二个参数。
		///		javascript 部分
		///	</summary>
		///	<param name="obj" type="object">
		///		 要循环访问的对象或数组。
		///	</param>
		///	<param name="fn" type="function">
		///		 将针对每个对象执行的函数。
		///	</param>
		///	<returns type="object" />

		var name, i = 0,
			length = object.length,
			isobj = length === undefined || jquery.isfunction(object);

		if ( args ) {
			if ( isobj ) {
				for ( name in object ) {
					if ( callback.apply( object[ name ], args ) === false ) {
						break;
					}
				}
			} else {
				for ( ; i < length; ) {
					if ( callback.apply( object[ i++ ], args ) === false ) {
						break;
					}
				}
			}

		// a special, fast, case for the most common use of each
		} else {
			if ( isobj ) {
				for ( name in object ) {
					if ( callback.call( object[ name ], name, object[ name ] ) === false ) {
						break;
					}
				}
			} else {
				for ( var value = object[0];
					i < length && callback.call( value, i, value ) !== false; value = object[++i] ) {}
			}
		}

		return object;
	},

	trim: function( text ) {
		///	<summary>
		///		移除字符串开始和结尾处的空白。
		///		javascript 部分
		///	</summary>
		///	<returns type="string" />
		///	<param name="text" type="string">
		///		要修整的字符串。
		///	</param>

		return (text || "").replace( rtrim, "" );
	},

	// results is for internal usage only
	makearray: function( array, results ) {
		///	<summary>
		///		将任何内容转换为一个真正的数组。这是一个内部方法。
		///	</summary>
		///	<param name="array" type="object">要转换为实际数组的任何内容</param>
		///	<returns type="array" />
		///	<private />

		var ret = results || [];

		if ( array != null ) {
			// the window, strings (and functions) also have 'length'
			// the extra typeof function check is to prevent crashes
			// in safari 2 (see: #3039)
			if ( array.length == null || typeof array === "string" || jquery.isfunction(array) || (typeof array !== "function" && array.setinterval) ) {
				push.call( ret, array );
			} else {
				jquery.merge( ret, array );
			}
		}

		return ret;
	},

	inarray: function( elem, array ) {
		if ( array.indexof ) {
			return array.indexof( elem );
		}

		for ( var i = 0, length = array.length; i < length; i++ ) {
			if ( array[ i ] === elem ) {
				return i;
			}
		}

		return -1;
	},

	merge: function( first, second ) {
		///	<summary>
		///		将两个数组合并在一起并移除所有重复项。
		///		新数组是: 第一个数组中的所有结果，
		///		后跟第二个数组中的唯一结果。
		///		javascript 部分
		///	</summary>
		///	<returns type="array" />
		///	<param name="first" type="array">
		///		 要合并的第一个数组。
		///	</param>
		///	<param name="second" type="array">
		///		 要合并的第二个数组。
		///	</param>

		var i = first.length, j = 0;

		if ( typeof second.length === "number" ) {
			for ( var l = second.length; j < l; j++ ) {
				first[ i++ ] = second[ j ];
			}
		} else {
			while ( second[j] !== undefined ) {
				first[ i++ ] = second[ j++ ];
			}
		}

		first.length = i;

		return first;
	},

	grep: function( elems, callback, inv ) {
		///	<summary>
		///		使用筛选器函数从数组中筛选出项。
		///		将向指定的函数传递两个参数: 
		///		当前数组项和该项在数组中的索引。
		///		该函数必须返回“true”以将该项保留在数组中，
		///		若返回 false 则将移除该项。
		///		});
		///		javascript 部分
		///	</summary>
		///	<returns type="array" />
		///	<param name="elems" type="array">
		///		array 要在其中查找项的数组。
		///	</param>
		///	<param name="fn" type="function">
		///		 要用于处理每一项的函数。
		///	</param>
		///	<param name="inv" type="boolean">
		///		 反转选择 - 选择函数的反函数。
		///	</param>

		var ret = [];

		// go through the array, only saving the items
		// that pass the validator function
		for ( var i = 0, length = elems.length; i < length; i++ ) {
			if ( !inv !== !callback( elems[ i ], i ) ) {
				ret.push( elems[ i ] );
			}
		}

		return ret;
	},

	// arg is for internal usage only
	map: function( elems, callback, arg ) {
		///	<summary>
		///		将一个数组中的所有项转换为另一个项数组。
		///		针对数组中每一项调用提供给此方法的转换函数，
		///		并向该函数传递一个参数: 
		///		要转换的项。
		///		然后，该函数可以返回转换后的值、“null”
		///		(以移除相应项)或值数组 - 这些数据将
		///		会修整到完整的数组中。
		///		javascript 部分
		///	</summary>
		///	<returns type="array" />
		///	<param name="elems" type="array">
		///		array 要转换的数组。
		///	</param>
		///	<param name="fn" type="function">
		///		 要用于处理每一项的函数。
		///	</param>

		var ret = [], value;

		// 遍历数组，并将每个项转换为
		// 一个或多个新值。
		for ( var i = 0, length = elems.length; i < length; i++ ) {
			value = callback( elems[ i ], i, arg );

			if ( value != null ) {
				ret[ ret.length ] = value;
			}
		}

		return ret.concat.apply( [], ret );
	},

	// 用于对象的全局 guid 计数器
	guid: 1,

	proxy: function( fn, proxy, thisobject ) {
		///	<summary>
		///		采用一个函数，并返回一个将始终具有特定范围的新函数。
		///	</summary>
		///	<param name="fn" type="function">
		///		将更改其范围的函数。
		///	</param>
		///	<param name="proxy" type="object">
		///		应将其设置为函数的范围的对象。
		///	</param>
		///	<returns type="function" />

		if ( arguments.length === 2 ) {
			if ( typeof proxy === "string" ) {
				thisobject = fn;
				fn = thisobject[ proxy ];
				proxy = undefined;

			} else if ( proxy && !jquery.isfunction( proxy ) ) {
				thisobject = proxy;
				proxy = undefined;
			}
		}

		if ( !proxy && fn ) {
			proxy = function() {
				return fn.apply( thisobject || this, arguments );
			};
		}

		// set the guid of unique handler to the same of original handler, so it can be removed
		if ( fn ) {
			proxy.guid = fn.guid = fn.guid || proxy.guid || jquery.guid++;
		}

		// so proxy can be declared as an argument
		return proxy;
	},

	// use of jquery.browser is frowned upon.
	// more details: http://docs.jquery.com/utilities/jquery.browser
	uamatch: function( ua ) {
		ua = ua.tolowercase();

		var match = /(webkit)[ \/]([\w.]+)/.exec( ua ) ||
			/(opera)(?:.*version)?[ \/]([\w.]+)/.exec( ua ) ||
			/(msie) ([\w.]+)/.exec( ua ) ||
			!/compatible/.test( ua ) && /(mozilla)(?:.*? rv:([\w.]+))?/.exec( ua ) ||
		  	[];

		return { browser: match[1] || "", version: match[2] || "0" };
	},

	browser: {}
});

browsermatch = jquery.uamatch( useragent );
if ( browsermatch.browser ) {
	jquery.browser[ browsermatch.browser ] = true;
	jquery.browser.version = browsermatch.version;
}

// deprecated, use jquery.browser.webkit instead
if ( jquery.browser.webkit ) {
	jquery.browser.safari = true;
}

if ( indexof ) {
	jquery.inarray = function( elem, array ) {
		///	<summary>
		///		确定数组中第一个参数的索引。
		///	</summary>
		///	<param name="elem">要检查数组中是否存在的值。</param>
		///	<param name="array" type="array">要在其中浏览查找值的数组</param>
		///	<returns type="number" integer="true">项的从 0 开始的索引(如果找到)；否则为 -1。</returns>

		return indexof.call( array, elem );
	};
}

// all jquery objects should point back to these
rootjquery = jquery(document);

// cleanup functions for the document ready method
if ( document.addeventlistener ) {
	domcontentloaded = function() {
		document.removeeventlistener( "domcontentloaded", domcontentloaded, false );
		jquery.ready();
	};

} else if ( document.attachevent ) {
	domcontentloaded = function() {
		// make sure body exists, at least, in case ie gets a little overzealous (ticket #5443).
		if ( document.readystate === "complete" ) {
			document.detachevent( "onreadystatechange", domcontentloaded );
			jquery.ready();
		}
	};
}

// the dom ready check for internet explorer
function doscrollcheck() {
	if ( jquery.isready ) {
		return;
	}

	try {
		// if ie is used, use the trick by diego perini
		// http://javascript.nwbox.com/iecontentloaded/
		document.documentelement.doscroll("left");
	} catch( error ) {
		settimeout( doscrollcheck, 1 );
		return;
	}

	// and execute any waiting functions
	jquery.ready();
}

function evalscript( i, elem ) {
	///	<summary>
	///		此方法为内部方法。
	///	</summary>
	/// <private />

	if ( elem.src ) {
		jquery.ajax({
			url: elem.src,
			async: false,
			datatype: "script"
		});
	} else {
		jquery.globaleval( elem.text || elem.textcontent || elem.innerhtml || "" );
	}

	if ( elem.parentnode ) {
		elem.parentnode.removechild( elem );
	}
}

// mutifunctional method to get and set values to a collection
// the value/s can be optionally by executed if its a function
function access( elems, key, value, exec, fn, pass ) {
	var length = elems.length;
	
	// setting many attributes
	if ( typeof key === "object" ) {
		for ( var k in key ) {
			access( elems, k, key[k], exec, fn, value );
		}
		return elems;
	}
	
	// setting one attribute
	if ( value !== undefined ) {
		// optionally, function values get executed if exec is true
		exec = !pass && exec && jquery.isfunction(value);
		
		for ( var i = 0; i < length; i++ ) {
			fn( elems[i], key, exec ? value.call( elems[i], i, fn( elems[i], key ) ) : value, pass );
		}
		
		return elems;
	}
	
	// getting an attribute
	return length ? fn( elems[0], key ) : null;
}

function now() {
	///	<summary>
	///		获取当前日期。
	///	</summary>
	///	<returns type="date">当前日期。</returns>

	return (new date).gettime();
}

// [vsdoc] the following function has been modified for intellisense.
// [vsdoc] stubbing support properties to "false" for intellisense compat.
(function() {

	jquery.support = {};

	//	var root = document.documentelement,
	//		script = document.createelement("script"),
	//		div = document.createelement("div"),
	//		id = "script" + now();

	//	div.style.display = "none";
	//	div.innerhtml = "   <link/><table></table><a href='/a' style='color:red;float:left;opacity:.55;'>a</a><input type='checkbox'/>";

	//	var all = div.getelementsbytagname("*"),
	//		a = div.getelementsbytagname("a")[0];

	//	// can't get basic test support
	//	if ( !all || !all.length || !a ) {
	//		return;
	//	}

	jquery.support = {
		// ie strips leading whitespace when .innerhtml is used
		leadingwhitespace: false,

		// make sure that tbody elements aren't automatically inserted
		// ie will insert them into empty tables
		tbody: false,

		// make sure that link elements get serialized correctly by innerhtml
		// this requires a wrapper element in ie
		htmlserialize: false,

		// get the style information from getattribute
		// (ie uses .csstext insted)
		style: false,

		// make sure that urls aren't manipulated
		// (ie normalizes it by default)
		hrefnormalized: false,

		// make sure that element opacity exists
		// (ie uses filter instead)
		// use a regex to work around a webkit issue. see #5145
		opacity: false,

		// verify style float existence
		// (ie uses stylefloat instead of cssfloat)
		cssfloat: false,

		// make sure that if no value is specified for a checkbox
		// that it defaults to "on".
		// (webkit defaults to "" instead)
		checkon: false,

		// make sure that a selected-by-default option has a working selected property.
		// (webkit defaults to false instead of true, ie too, if it's in an optgroup)
		optselected: false,

		// will be defined later
		checkclone: false,
		scripteval: false,
		nocloneevent: false,
		boxmodel: false
	};

	//	script.type = "text/javascript";
	//	try {
	//		script.appendchild( document.createtextnode( "window." + id + "=1;" ) );
	//	} catch(e) {}

	//	root.insertbefore( script, root.firstchild );

	//	// make sure that the execution of code works by injecting a script
	//	// tag with appendchild/createtextnode
	//	// (ie doesn't support this, fails, and uses .text instead)
	//	if ( window[ id ] ) {
	//		jquery.support.scripteval = true;
	//		delete window[ id ];
	//	}

	//	root.removechild( script );

	//	if ( div.attachevent && div.fireevent ) {
	//		div.attachevent("onclick", function click() {
	//			// cloning a node shouldn't copy over any
	//			// bound event handlers (ie does this)
	//			jquery.support.nocloneevent = false;
	//			div.detachevent("onclick", click);
	//		});
	//		div.clonenode(true).fireevent("onclick");
	//	}

	//	div = document.createelement("div");
	//	div.innerhtml = "<input type='radio' name='radiotest' checked='checked'/>";

	//	var fragment = document.createdocumentfragment();
	//	fragment.appendchild( div.firstchild );

	//	// webkit doesn't clone checked state correctly in fragments
	//	jquery.support.checkclone = fragment.clonenode(true).clonenode(true).lastchild.checked;

	//	// figure out if the w3c box model works as expected
	//	// document.body must exist before we can do this
	//	jquery(function() {
	//		var div = document.createelement("div");
	//		div.style.width = div.style.paddingleft = "1px";

	//		document.body.appendchild( div );
	//		jquery.boxmodel = jquery.support.boxmodel = div.offsetwidth === 2;
	//		document.body.removechild( div ).style.display = 'none';
	//		div = null;
	//	});

	//	// technique from juriy zaytsev
	//	// http://thinkweb2.com/projects/prototype/detecting-event-support-without-browser-sniffing/
	//	var eventsupported = function( eventname ) { 
	//		var el = document.createelement("div"); 
	//		eventname = "on" + eventname; 

	//		var issupported = (eventname in el); 
	//		if ( !issupported ) { 
	//			el.setattribute(eventname, "return;"); 
	//			issupported = typeof el[eventname] === "function"; 
	//		} 
	//		el = null; 

	//		return issupported; 
	//	};
	
	jquery.support.submitbubbles = false;
	jquery.support.changebubbles = false;

	//	// release memory in ie
	//	root = script = div = all = a = null;
})();

jquery.props = {
	"for": "htmlfor",
	"class": "classname",
	readonly: "readonly",
	maxlength: "maxlength",
	cellspacing: "cellspacing",
	rowspan: "rowspan",
	colspan: "colspan",
	tabindex: "tabindex",
	usemap: "usemap",
	frameborder: "frameborder"
};
var expando = "jquery" + now(), uuid = 0, windowdata = {};
var emptyobject = {};

jquery.extend({
	cache: {},
	
	expando:expando,

	// the following elements throw uncatchable exceptions if you
	// attempt to add expando properties to them.
	nodata: {
		"embed": true,
		"object": true,
		"applet": true
	},

	data: function( elem, name, data ) {
		///	<summary>
		///		存储与指定元素关联的任意数据。
		///	</summary>
		///	<param name="elem" type="element">
		///		要与数据关联的 dom 元素。
		///	</param>
		///	<param name="name" type="string">
		///		用于指定要设置的数据块的字符串。
		///	</param>
		///	<param name="value" type="object">
		///		新的数据值。
		///	</param>
		///	<returns type="jquery" />

		if ( elem.nodename && jquery.nodata[elem.nodename.tolowercase()] ) {
			return;
		}

		elem = elem == window ?
			windowdata :
			elem;

		var id = elem[ expando ], cache = jquery.cache, thiscache;

		// handle the case where there's no name immediately
		if ( !name && !id ) {
			return null;
		}

		// compute a unique id for the element
		if ( !id ) { 
			id = ++uuid;
		}

		// avoid generating a new cache unless none exists and we
		// want to manipulate it.
		if ( typeof name === "object" ) {
			elem[ expando ] = id;
			thiscache = cache[ id ] = jquery.extend(true, {}, name);
		} else if ( cache[ id ] ) {
			thiscache = cache[ id ];
		} else if ( typeof data === "undefined" ) {
			thiscache = emptyobject;
		} else {
			thiscache = cache[ id ] = {};
		}

		// prevent overriding the named cache with undefined values
		if ( data !== undefined ) {
			elem[ expando ] = id;
			thiscache[ name ] = data;
		}

		return typeof name === "string" ? thiscache[ name ] : thiscache;
	},

	removedata: function( elem, name ) {
		if ( elem.nodename && jquery.nodata[elem.nodename.tolowercase()] ) {
			return;
		}

		elem = elem == window ?
			windowdata :
			elem;

		var id = elem[ expando ], cache = jquery.cache, thiscache = cache[ id ];

		// if we want to remove a specific section of the element's data
		if ( name ) {
			if ( thiscache ) {
				// remove the section of cache data
				delete thiscache[ name ];

				// if we've removed all the data, remove the element's cache
				if ( jquery.isemptyobject(thiscache) ) {
					jquery.removedata( elem );
				}
			}

		// otherwise, we want to remove all of the element's data
		} else {
			// clean up the element expando
			try {
				delete elem[ expando ];
			} catch( e ) {
				// ie has trouble directly removing the expando
				// but it's ok with using removeattribute
				if ( elem.removeattribute ) {
					elem.removeattribute( expando );
				}
			}

			// completely remove the data cache
			delete cache[ id ];
		}
	}
});

jquery.fn.extend({
	data: function( key, value ) {
		///	<summary>
		///		存储与匹配元素关联的任意数据。
		///	</summary>
		///	<param name="key" type="string">
		///		用于指定要设置的数据块的字符串。
		///	</param>
		///	<param name="value" type="object">
		///		新的数据值。
		///	</param>
		///	<returns type="jquery" />

		if ( typeof key === "undefined" && this.length ) {
			return jquery.data( this[0] );

		} else if ( typeof key === "object" ) {
			return this.each(function() {
				jquery.data( this, key );
			});
		}

		var parts = key.split(".");
		parts[1] = parts[1] ? "." + parts[1] : "";

		if ( value === undefined ) {
			var data = this.triggerhandler("getdata" + parts[1] + "!", [parts[0]]);

			if ( data === undefined && this.length ) {
				data = jquery.data( this[0], key );
			}
			return data === undefined && parts[1] ?
				this.data( parts[0] ) :
				data;
		} else {
			return this.trigger("setdata" + parts[1] + "!", [parts[0], value]).each(function() {
				jquery.data( this, key, value );
			});
		}
	},

	removedata: function( key ) {
		return this.each(function() {
			jquery.removedata( this, key );
		});
	}
});
jquery.extend({
	queue: function( elem, type, data ) {
		if ( !elem ) {
			return;
		}

		type = (type || "fx") + "queue";
		var q = jquery.data( elem, type );

		// speed up dequeue by getting out quickly if this is just a lookup
		if ( !data ) {
			return q || [];
		}

		if ( !q || jquery.isarray(data) ) {
			q = jquery.data( elem, type, jquery.makearray(data) );

		} else {
			q.push( data );
		}

		return q;
	},

	dequeue: function( elem, type ) {
		type = type || "fx";

		var queue = jquery.queue( elem, type ), fn = queue.shift();

		// if the fx queue is dequeued, always remove the progress sentinel
		if ( fn === "inprogress" ) {
			fn = queue.shift();
		}

		if ( fn ) {
			// add a progress sentinel to prevent the fx queue from being
			// automatically dequeued
			if ( type === "fx" ) {
				queue.unshift("inprogress");
			}

			fn.call(elem, function() {
				jquery.dequeue(elem, type);
			});
		}
	}
});

jquery.fn.extend({
	queue: function( type, data ) {
		///	<summary>
		///		1: queue() - 返回对第一个元素的队列的引用(这是一个函数数组)。
		///		2: queue(callback) - 在所有匹配元素的队列结尾处添加一个将要执行的新函数。
		///		3: queue(queue) - 将所有匹配元素的队列替换为此新队列(函数组成的数组)。
		///	</summary>
		///	<param name="type" type="function">要添加到队列中的函数。</param>
		///	<returns type="jquery" />

		if ( typeof type !== "string" ) {
			data = type;
			type = "fx";
		}

		if ( data === undefined ) {
			return jquery.queue( this[0], type );
		}
		return this.each(function( i, elem ) {
			var queue = jquery.queue( this, type, data );

			if ( type === "fx" && queue[0] !== "inprogress" ) {
				jquery.dequeue( this, type );
			}
		});
	},
	dequeue: function( type ) {
		///	<summary>
		///		从队列的前面移除一个排队函数并执行该函数。
		///	</summary>
		///	<param name="type" type="string" optional="true">要访问的队列的类型。</param>
		///	<returns type="jquery" />

		return this.each(function() {
			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 ) {
		///	<summary>
		///		设置计时器以延迟执行队列中的后续项。
		///	</summary>
		///	<param name="time" type="number">
		///		一个整数，它指示延迟执行队列中下一项的毫秒数。
		///	</param>
		///	<param name="type" type="string">
		///		一个包含队列名称的字符串。默认设置为 fx (标准效果队列)。
		///	</param>
		///	<returns type="jquery" />

		time = jquery.fx ? jquery.fx.speeds[time] || time : time;
		type = type || "fx";

		return this.queue( type, function() {
			var elem = this;
			settimeout(function() {
				jquery.dequeue( elem, type );
			}, time );
		});
	},

	clearqueue: function( type ) {
		///	<summary>
		///		从队列中移除尚未运行的所有项。
		///	</summary>
		///	<param name="type" type="string" optional="true">
		///		一个包含队列名称的字符串。默认设置为 fx (标准效果队列)。
		///	</param>
		///	<returns type="jquery" />

		return this.queue( type || "fx", [] );
	}
});
var rclass = /[\n\t]/g,
	rspace = /\s+/,
	rreturn = /\r/g,
	rspecialurl = /href|src|style/,
	rtype = /(button|input)/i,
	rfocusable = /(button|input|object|select|textarea)/i,
	rclickable = /^(a|area)$/i,
	rradiocheck = /radio|checkbox/;

jquery.fn.extend({
	attr: function( name, value ) {
		///	<summary>
		///		将所有匹配元素的单个属性设置为计算值。
		///		提供用于计算值的函数，而不是值。
		///		dom/特性部分
		///	</summary>
		///	<returns type="jquery" />
		///	<param name="name" type="string">
		///		要设置的属性的名称。
		///	</param>
		///	<param name="value" type="function">
		///		返回要设置的值的函数。
		///	</param>

		return access( this, name, value, true, jquery.attr );
	},

	removeattr: function( name, fn ) {
		///	<summary>
		///		从每个匹配元素中移除某个特性。
		///		dom/特性部分
		///	</summary>
		///	<param name="name" type="string">
		///		要移除的特性。
		///	</param>
		///	<returns type="jquery" />

		return this.each(function(){
			jquery.attr( this, name, "" );
			if ( this.nodetype === 1 ) {
				this.removeattribute( name );
			}
		});
	},

	addclass: function( value ) {
		///	<summary>
		///		将指定的类添加到每个匹配元素集中。
		///		dom/特性部分
		///	</summary>
		///	<param name="value" type="string">
		///		要添加到每个匹配元素的类特性中的一个或多个类名称。
		///	</param>
		///	<returns type="jquery" />

		if ( jquery.isfunction(value) ) {
			return this.each(function(i) {
				var self = jquery(this);
				self.addclass( value.call(this, i, self.attr("class")) );
			});
		}

		if ( value && typeof value === "string" ) {
			var classnames = (value || "").split( rspace );

			for ( var i = 0, l = this.length; i < l; i++ ) {
				var elem = this[i];

				if ( elem.nodetype === 1 ) {
					if ( !elem.classname ) {
						elem.classname = value;

					} else {
						var classname = " " + elem.classname + " ";
						for ( var c = 0, cl = classnames.length; c < cl; c++ ) {
							if ( classname.indexof( " " + classnames[c] + " " ) < 0 ) {
								elem.classname += " " + classnames[c];
							}
						}
					}
				}
			}
		}

		return this;
	},

	removeclass: function( value ) {
		///	<summary>
		///		从匹配元素集中移除所有的或指定的类。
		///		dom/特性部分
		///	</summary>
		///	<param name="value" type="string" optional="true">
		///		(可选)将从每个匹配元素的类特性中移除的类名称。
		///	</param>
		///	<returns type="jquery" />

		if ( jquery.isfunction(value) ) {
			return this.each(function(i) {
				var self = jquery(this);
				self.removeclass( value.call(this, i, self.attr("class")) );
			});
		}

		if ( (value && typeof value === "string") || value === undefined ) {
			var classnames = (value || "").split(rspace);

			for ( var i = 0, l = this.length; i < l; i++ ) {
				var elem = this[i];

				if ( elem.nodetype === 1 && elem.classname ) {
					if ( value ) {
						var classname = (" " + elem.classname + " ").replace(rclass, " ");
						for ( var c = 0, cl = classnames.length; c < cl; c++ ) {
							classname = classname.replace(" " + classnames[c] + " ", " ");
						}
						elem.classname = classname.substring(1, classname.length - 1);

					} else {
						elem.classname = "";
					}
				}
			}
		}

		return this;
	},

	toggleclass: function( value, stateval ) {
		///	<summary>
		///		在匹配元素集的每个元素中添加或移除某个类，具体取决于
		///		该类是否存在或开关参数的值。
		///	</summary>
		///	<param name="value" type="object">
		///		要针对匹配集中的每个元素进行切换的类名称。
		///	</param>
		///	<param name="stateval" type="object">
		///		一个用于确定是应添加还是应移除类的布尔值。
		///	</param>
		///	<returns type="jquery" />

		var type = typeof value, isbool = typeof stateval === "boolean";

		if ( jquery.isfunction( value ) ) {
			return this.each(function(i) {
				var self = jquery(this);
				self.toggleclass( value.call(this, i, self.attr("class"), stateval), stateval );
			});
		}

		return this.each(function() {
			if ( type === "string" ) {
				// toggle individual class names
				var classname, i = 0, self = jquery(this),
					state = stateval,
					classnames = value.split( rspace );

				while ( (classname = classnames[ i++ ]) ) {
					// check each classname given, space seperated list
					state = isbool ? state : !self.hasclass( classname );
					self[ state ? "addclass" : "removeclass" ]( classname );
				}

			} else if ( type === "undefined" || type === "boolean" ) {
				if ( this.classname ) {
					// store classname if set
					jquery.data( this, "__classname__", this.classname );
				}

				// toggle whole classname
				this.classname = this.classname || value === false ? "" : jquery.data( this, "__classname__" ) || "";
			}
		});
	},

	hasclass: function( selector ) {
		///	<summary>
		///		根据某个类检查当前选择，并返回是否至少有一个选择具有给定的类。
		///	</summary>
		///	<param name="selector" type="string">要作为检查依据的类</param>
		///	<returns type="boolean">如果选择中至少有一个元素具有给定的类，则返回 true；否则返回 false。</returns>

		var classname = " " + selector + " ";
		for ( var i = 0, l = this.length; i < l; i++ ) {
			if ( (" " + this[i].classname + " ").replace(rclass, " ").indexof( classname ) > -1 ) {
				return true;
			}
		}

		return false;
	},

	val: function( value ) {
		///	<summary>
		///		设置每个匹配元素的值。
		///		dom/特性部分
		///	</summary>
		///	<returns type="jquery" />
		///	<param name="value" type="string">
		///		要设置为每个匹配元素的值属性的文本字符串或
		///		字符串数组。
		///	</param>

		if ( value === undefined ) {
			var elem = this[0];

			if ( elem ) {
				if ( jquery.nodename( elem, "option" ) ) {
					return (elem.attributes.value || {}).specified ? elem.value : elem.text;
				}

				// we need to handle select boxes special
				if ( jquery.nodename( elem, "select" ) ) {
					var index = elem.selectedindex,
						values = [],
						options = elem.options,
						one = elem.type === "select-one";

					// nothing was selected
					if ( index < 0 ) {
						return null;
					}

					// loop through all the selected options
					for ( var i = one ? index : 0, max = one ? index + 1 : options.length; i < max; i++ ) {
						var option = options[ i ];

						if ( option.selected ) {
							// get the specifc 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;
				}

				// handle the case where in webkit "" is returned instead of "on" if a value isn't specified
				if ( rradiocheck.test( elem.type ) && !jquery.support.checkon ) {
					return elem.getattribute("value") === null ? "on" : elem.value;
				}
				

				// everything else, we just grab the value
				return (elem.value || "").replace(rreturn, "");

			}

			return undefined;
		}

		var isfunction = jquery.isfunction(value);

		return this.each(function(i) {
			var self = jquery(this), val = value;

			if ( this.nodetype !== 1 ) {
				return;
			}

			if ( isfunction ) {
				val = value.call(this, i, self.val());
			}

			// typecast each time if the value is a function and the appended
			// value is therefore different each time.
			if ( typeof val === "number" ) {
				val += "";
			}

			if ( jquery.isarray(val) && rradiocheck.test( this.type ) ) {
				this.checked = jquery.inarray( self.val(), val ) >= 0;

			} else if ( jquery.nodename( this, "select" ) ) {
				var values = jquery.makearray(val);

				jquery( "option", this ).each(function() {
					this.selected = jquery.inarray( jquery(this).val(), values ) >= 0;
				});

				if ( !values.length ) {
					this.selectedindex = -1;
				}

			} else {
				this.value = val;
			}
		});
	}
});

jquery.extend({
	attrfn: {
		val: true,
		css: true,
		html: true,
		text: true,
		data: true,
		width: true,
		height: true,
		offset: true
	},
		
	attr: function( elem, name, value, pass ) {
		///	<summary>
		///		此方法为内部方法。
		///	</summary>
		///	<private />

		// don't set attributes on text and comment nodes
		if ( !elem || elem.nodetype === 3 || elem.nodetype === 8 ) {
			return undefined;
		}

		if ( pass && name in jquery.attrfn ) {
			return jquery(elem)[name](value);
		}

		var notxml = elem.nodetype !== 1 || !jquery.isxmldoc( elem ),
			// whether we are setting (or getting)
			set = value !== undefined;

		// try to normalize/fix the name
		name = notxml && jquery.props[ name ] || name;

		// only do all the following if this is a node (faster for style)
		if ( elem.nodetype === 1 ) {
			// these attributes require special treatment
			var special = rspecialurl.test( name );

			// safari mis-reports the default selected property of an option
			// accessing the parent's selectedindex property fixes it
			if ( name === "selected" && !jquery.support.optselected ) {
				var parent = elem.parentnode;
				if ( parent ) {
					parent.selectedindex;
	
					// make sure that it also works with optgroups, see #5701
					if ( parent.parentnode ) {
						parent.parentnode.selectedindex;
					}
				}
			}

			// if applicable, access the attribute via the dom 0 way
			if ( name in elem && notxml && !special ) {
				if ( set ) {
					// we can't allow the type property to be changed (since it causes problems in ie)
					if ( name === "type" && rtype.test( elem.nodename ) && elem.parentnode ) {
						jquery.error( "type property can't be changed" );
					}

					elem[ name ] = value;
				}

				// browsers index elements by id/name on forms, give priority to attributes.
				if ( jquery.nodename( elem, "form" ) && elem.getattributenode(name) ) {
					return elem.getattributenode( name ).nodevalue;
				}

				// elem.tabindex doesn't always return the correct value when it hasn't been explicitly set
				// http://fluidproject.org/blog/2008/01/09/getting-setting-and-removing-tabindex-values-with-javascript/
				if ( name === "tabindex" ) {
					var attributenode = elem.getattributenode( "tabindex" );

					return attributenode && attributenode.specified ?
						attributenode.value :
						rfocusable.test( elem.nodename ) || rclickable.test( elem.nodename ) && elem.href ?
							0 :
							undefined;
				}

				return elem[ name ];
			}

			if ( !jquery.support.style && notxml && name === "style" ) {
				if ( set ) {
					elem.style.csstext = "" + value;
				}

				return elem.style.csstext;
			}

			if ( set ) {
				// convert the value to a string (all browsers do this but ie) see #1070
				elem.setattribute( name, "" + value );
			}

			var attr = !jquery.support.hrefnormalized && notxml && special ?
					// some attributes require a special call on ie
					elem.getattribute( name, 2 ) :
					elem.getattribute( name );

			// non-existent attributes return null, we normalize to undefined
			return attr === null ? undefined : attr;
		}

		// elem is actually elem.style ... set the style
		// using attr for specific style information is now deprecated. use style insead.
		return jquery.style( elem, name, value );
	}
});
var fcleanup = function( nm ) {
	return nm.replace(/[^\w\s\.\|`]/g, function( ch ) {
		return "\\" + ch;
	});
};

/*
 * a number of helper functions used for managing events.
 * many of the ideas behind this code originated from
 * dean edwards' addevent library.
 */
jquery.event = {

	// bind an event to an element
	// original by dean edwards
	add: function( elem, types, handler, data ) {
		///	<summary>
		///		此方法为内部方法。
		///	</summary>
		///	<private />

		if ( elem.nodetype === 3 || elem.nodetype === 8 ) {
			return;
		}

		// for whatever reason, ie has trouble passing the window object
		// around, causing it to be cloned in the process
		if ( elem.setinterval && ( elem !== window && !elem.frameelement ) ) {
			elem = window;
		}

		// make sure that the function being executed has a unique id
		if ( !handler.guid ) {
			handler.guid = jquery.guid++;
		}

		// if data is passed, bind to handler
		if ( data !== undefined ) {
			// create temporary function pointer to original handler
			var fn = handler;

			// create unique handler function, wrapped around original handler
			handler = jquery.proxy( fn );

			// store data in unique handler
			handler.data = data;
		}

		// init the element's event structure
		var events = jquery.data( elem, "events" ) || jquery.data( elem, "events", {} ),
			handle = jquery.data( elem, "handle" ), eventhandle;

		if ( !handle ) {
			eventhandle = function() {
				// handle the second event of a trigger and when
				// an event is called after a page has unloaded
				return typeof jquery !== "undefined" && !jquery.event.triggered ?
					jquery.event.handle.apply( eventhandle.elem, arguments ) :
					undefined;
			};

			handle = jquery.data( elem, "handle", eventhandle );
		}

		// if no handle is found then we must be trying to bind to one of the
		// banned nodata elements
		if ( !handle ) {
			return;
		}

		// add elem as a property of the handle function
		// this is to prevent a memory leak with non-native
		// event in ie.
		handle.elem = elem;

		// handle multiple events separated by a space
		// jquery(...).bind("mouseover mouseout", fn);
		types = types.split( /\s+/ );

		var type, i = 0;

		while ( (type = types[ i++ ]) ) {
			// namespaced event handlers
			var namespaces = type.split(".");
			type = namespaces.shift();

			if ( i > 1 ) {
				handler = jquery.proxy( handler );

				if ( data !== undefined ) {
					handler.data = data;
				}
			}

			handler.type = namespaces.slice(0).sort().join(".");

			// get the current list of functions bound to this event
			var handlers = events[ type ],
				special = this.special[ type ] || {};

			// init the event handler queue
			if ( !handlers ) {
				handlers = events[ type ] = {};

				// check for a special event handler
				// only use addeventlistener/attachevent if the special
				// events handler returns false
				if ( !special.setup || special.setup.call( elem, data, namespaces, handler) === false ) {
					// bind the global event handler to the element
					if ( elem.addeventlistener ) {
						elem.addeventlistener( type, handle, false );
					} else if ( elem.attachevent ) {
						elem.attachevent( "on" + type, handle );
					}
				}
			}
			
			if ( special.add ) { 
				var modifiedhandler = special.add.call( elem, handler, data, namespaces, handlers ); 
				if ( modifiedhandler && jquery.isfunction( modifiedhandler ) ) { 
					modifiedhandler.guid = modifiedhandler.guid || handler.guid; 
					modifiedhandler.data = modifiedhandler.data || handler.data; 
					modifiedhandler.type = modifiedhandler.type || handler.type; 
					handler = modifiedhandler; 
				} 
			} 
			
			// add the function to the element's handler list
			handlers[ handler.guid ] = handler;

			// keep track of which events have been used, for global triggering
			this.global[ type ] = true;
		}

		// nullify elem to prevent memory leaks in ie
		elem = null;
	},

	global: {},

	// detach an event or set of events from an element
	remove: function( elem, types, handler ) {
		///	<summary>
		///		此方法为内部方法。
		///	</summary>
		///	<private />

		// don't do events on text and comment nodes
		if ( elem.nodetype === 3 || elem.nodetype === 8 ) {
			return;
		}

		var events = jquery.data( elem, "events" ), ret, type, fn;

		if ( events ) {
			// unbind all events for the element
			if ( types === undefined || (typeof types === "string" && types.charat(0) === ".") ) {
				for ( type in events ) {
					this.remove( elem, type + (types || "") );
				}
			} else {
				// types is actually an event object here
				if ( types.type ) {
					handler = types.handler;
					types = types.type;
				}

				// handle multiple events separated by a space
				// jquery(...).unbind("mouseover mouseout", fn);
				types = types.split(/\s+/);
				var i = 0;
				while ( (type = types[ i++ ]) ) {
					// namespaced event handlers
					var namespaces = type.split(".");
					type = namespaces.shift();
					var all = !namespaces.length,
						cleaned = jquery.map( namespaces.slice(0).sort(), fcleanup ),
						namespace = new regexp("(^|\\.)" + cleaned.join("\\.(?:.*\\.)?") + "(\\.|$)"),
						special = this.special[ type ] || {};

					if ( events[ type ] ) {
						// remove the given handler for the given type
						if ( handler ) {
							fn = events[ type ][ handler.guid ];
							delete events[ type ][ handler.guid ];

						// remove all handlers for the given type
						} else {
							for ( var handle in events[ type ] ) {
								// handle the removal of namespaced events
								if ( all || namespace.test( events[ type ][ handle ].type ) ) {
									delete events[ type ][ handle ];
								}
							}
						}

						if ( special.remove ) {
							special.remove.call( elem, namespaces, fn);
						}

						// remove generic event handler if no more handlers exist
						for ( ret in events[ type ] ) {
							break;
						}
						if ( !ret ) {
							if ( !special.teardown || special.teardown.call( elem, namespaces ) === false ) {
								if ( elem.removeeventlistener ) {
									elem.removeeventlistener( type, jquery.data( elem, "handle" ), false );
								} else if ( elem.detachevent ) {
									elem.detachevent( "on" + type, jquery.data( elem, "handle" ) );
								}
							}
							ret = null;
							delete events[ type ];
						}
					}
				}
			}

			// remove the expando if it's no longer used
			for ( ret in events ) {
				break;
			}
			if ( !ret ) {
				var handle = jquery.data( elem, "handle" );
				if ( handle ) {
					handle.elem = null;
				}
				jquery.removedata( elem, "events" );
				jquery.removedata( elem, "handle" );
			}
		}
	},

	// bubbling is internal
	trigger: function( event, data, elem /*, bubbling */ ) {
		///	<summary>
		///		this method is internal.
		///	</summary>
		///	<private />

		// event object or event type
		var type = event.type || event,
			bubbling = arguments[3];

		if ( !bubbling ) {
			event = typeof event === "object" ?
				// jquery.event object
				event[expando] ? event :
				// object literal
				jquery.extend( jquery.event(type), event ) :
				// just the event type (string)
				jquery.event(type);

			if ( type.indexof("!") >= 0 ) {
				event.type = type = type.slice(0, -1);
				event.exclusive = true;
			}

			// handle a global trigger
			if ( !elem ) {
				// don't bubble custom events when global (to avoid too much overhead)
				event.stoppropagation();

				// only trigger if we've ever bound an event for it
				if ( this.global[ type ] ) {
					jquery.each( jquery.cache, function() {
						if ( this.events && this.events[type] ) {
							jquery.event.trigger( event, data, this.handle.elem );
						}
					});
				}
			}

			// handle triggering a single element

			// don't do events on text and comment nodes
			if ( !elem || elem.nodetype === 3 || elem.nodetype === 8 ) {
				return undefined;
			}

			// clean up in case it is reused
			event.result = undefined;
			event.target = elem;

			// clone the incoming data, if any
			data = jquery.makearray( data );
			data.unshift( event );
		}

		event.currenttarget = elem;

		// trigger the event, it is assumed that "handle" is a function
		var handle = jquery.data( elem, "handle" );
		if ( handle ) {
			handle.apply( elem, data );
		}

		var parent = elem.parentnode || elem.ownerdocument;

		// trigger an inline bound script
		try {
			if ( !(elem && elem.nodename && jquery.nodata[elem.nodename.tolowercase()]) ) {
				if ( elem[ "on" + type ] && elem[ "on" + type ].apply( elem, data ) === false ) {
					event.result = false;
				}
			}

		// prevent ie from throwing an error for some elements with some event types, see #3533
		} catch (e) {}

		if ( !event.ispropagationstopped() && parent ) {
			jquery.event.trigger( event, data, parent, true );

		} else if ( !event.isdefaultprevented() ) {
			var target = event.target, old,
				isclick = jquery.nodename(target, "a") && type === "click";

			if ( !isclick && !(target && target.nodename && jquery.nodata[target.nodename.tolowercase()]) ) {
				try {
					if ( target[ type ] ) {
						// make sure that we don't accidentally re-trigger the onfoo events
						old = target[ "on" + type ];

						if ( old ) {
							target[ "on" + type ] = null;
						}

						this.triggered = true;
						target[ type ]();
					}

				// prevent ie from throwing an error for some elements with some event types, see #3533
				} catch (e) {}

				if ( old ) {
					target[ "on" + type ] = old;
				}

				this.triggered = false;
			}
		}
	},

	handle: function( event ) {
		///	<summary>
		///		此方法为内部方法。
		///	</summary>
		///	<private />

		// returned undefined or false
		var all, handlers;

		event = arguments[0] = jquery.event.fix( event || window.event );
		event.currenttarget = this;

		// namespaced event handlers
		var namespaces = event.type.split(".");
		event.type = namespaces.shift();

		// cache this now, all = true means, any handler
		all = !namespaces.length && !event.exclusive;

		var namespace = new regexp("(^|\\.)" + namespaces.slice(0).sort().join("\\.(?:.*\\.)?") + "(\\.|$)");

		handlers = ( jquery.data(this, "events") || {} )[ event.type ];

		for ( var j in handlers ) {
			var handler = handlers[ j ];

			// filter the functions by class
			if ( all || namespace.test(handler.type) ) {
				// pass in a reference to the handler function itself
				// so that we can later remove it
				event.handler = handler;
				event.data = handler.data;

				var ret = handler.apply( this, arguments );

				if ( ret !== undefined ) {
					event.result = ret;
					if ( ret === false ) {
						event.preventdefault();
						event.stoppropagation();
					}
				}

				if ( event.isimmediatepropagationstopped() ) {
					break;
				}

			}
		}

		return event.result;
	},

	props: "altkey attrchange attrname bubbles button cancelable charcode clientx clienty ctrlkey currenttarget data detail eventphase fromelement handler keycode layerx layery metakey newvalue offsetx offsety originaltarget pagex pagey prevvalue relatednode relatedtarget screenx screeny shiftkey srcelement target toelement view wheeldelta which".split(" "),

	fix: function( event ) {
		///	<summary>
		///		此方法为内部方法。
		///	</summary>
		///	<private />

		if ( event[ expando ] ) {
			return event;
		}

		// store a copy of the original event object
		// and "clone" to set read-only properties
		var originalevent = event;
		event = jquery.event( originalevent );

		for ( var i = this.props.length, prop; i; ) {
			prop = this.props[ --i ];
			event[ prop ] = originalevent[ prop ];
		}

		// fix target property, if necessary
		if ( !event.target ) {
			event.target = event.srcelement || document; // fixes #1925 where srcelement might not be defined either
		}

		// check if target is a textnode (safari)
		if ( event.target.nodetype === 3 ) {
			event.target = event.target.parentnode;
		}

		// add relatedtarget, if necessary
		if ( !event.relatedtarget && event.fromelement ) {
			event.relatedtarget = event.fromelement === event.target ? event.toelement : event.fromelement;
		}

		// calculate pagex/y if missing and clientx/y available
		if ( event.pagex == null && event.clientx != null ) {
			var doc = document.documentelement, body = document.body;
			event.pagex = event.clientx + (doc && doc.scrollleft || body && body.scrollleft || 0) - (doc && doc.clientleft || body && body.clientleft || 0);
			event.pagey = event.clienty + (doc && doc.scrolltop  || body && body.scrolltop  || 0) - (doc && doc.clienttop  || body && body.clienttop  || 0);
		}

		// add which for key events
		if ( !event.which && ((event.charcode || event.charcode === 0) ? event.charcode : event.keycode) ) {
			event.which = event.charcode || event.keycode;
		}

		// add metakey to non-mac browsers (use ctrl for pc's and meta for macs)
		if ( !event.metakey && event.ctrlkey ) {
			event.metakey = event.ctrlkey;
		}

		// add which for click: 1 === left; 2 === middle; 3 === right
		// note: button is not normalized, so don't use it
		if ( !event.which && event.button !== undefined ) {
			event.which = (event.button & 1 ? 1 : ( event.button & 2 ? 3 : ( event.button & 4 ? 2 : 0 ) ));
		}

		return event;
	},

	// deprecated, use jquery.guid instead
	guid: 1e8,

	// deprecated, use jquery.proxy instead
	proxy: jquery.proxy,

	special: {
		ready: {
			// make sure the ready event is setup
			setup: jquery.bindready,
			teardown: jquery.noop
		},

		live: {
			add: function( proxy, data, namespaces, live ) {
				jquery.extend( proxy, data || {} );

				proxy.guid += data.selector + data.live; 
				data.liveproxy = proxy;

				jquery.event.add( this, data.live, livehandler, data ); 
				
			},

			remove: function( namespaces ) {
				if ( namespaces.length ) {
					var remove = 0, name = new regexp("(^|\\.)" + namespaces[0] + "(\\.|$)");

					jquery.each( (jquery.data(this, "events").live || {}), function() {
						if ( name.test(this.type) ) {
							remove++;
						}
					});

					if ( remove < 1 ) {
						jquery.event.remove( this, namespaces[0], livehandler );
					}
				}
			},
			special: {}
		},
		beforeunload: {
			setup: function( data, namespaces, fn ) {
				// we only want to do this special case on windows
				if ( this.setinterval ) {
					this.onbeforeunload = fn;
				}

				return false;
			},
			teardown: function( namespaces, fn ) {
				if ( this.onbeforeunload === fn ) {
					this.onbeforeunload = null;
				}
			}
		}
	}
};

jquery.event = function( src ) {
	// allow instantiation without the 'new' keyword
	if ( !this.preventdefault ) {
		return new jquery.event( src );
	}

	// event object
	if ( src && src.type ) {
		this.originalevent = src;
		this.type = src.type;
	// event type
	} else {
		this.type = src;
	}

	// timestamp is buggy for some events on firefox(#3843)
	// so we won't rely on the native value
	this.timestamp = now();

	// mark it as fixed
	this[ expando ] = true;
};

function returnfalse() {
	return false;
}
function returntrue() {
	return true;
}

// jquery.event is based on dom3 events as specified by the ecmascript language binding
// http://www.w3.org/tr/2003/wd-dom-level-3-events-20030331/ecma-script-binding.html
jquery.event.prototype = {
	preventdefault: function() {
		this.isdefaultprevented = returntrue;

		var e = this.originalevent;
		if ( !e ) {
			return;
		}
		
		// if preventdefault exists run it on the original event
		if ( e.preventdefault ) {
			e.preventdefault();
		}
		// otherwise set the returnvalue property of the original event to false (ie)
		e.returnvalue = false;
	},
	stoppropagation: function() {
		this.ispropagationstopped = returntrue;

		var e = this.originalevent;
		if ( !e ) {
			return;
		}
		// if stoppropagation exists run it on the original event
		if ( e.stoppropagation ) {
			e.stoppropagation();
		}
		// otherwise set the cancelbubble property of the original event to true (ie)
		e.cancelbubble = true;
	},
	stopimmediatepropagation: function() {
		this.isimmediatepropagationstopped = returntrue;
		this.stoppropagation();
	},
	isdefaultprevented: returnfalse,
	ispropagationstopped: returnfalse,
	isimmediatepropagationstopped: returnfalse
};

// checks if an event happened on an element within another element
// used in jquery.event.special.mouseenter and mouseleave handlers
var withinelement = function( event ) {
	// check if mouse(over|out) are still within the same parent element
	var parent = event.relatedtarget;

	// traverse up the tree
	while ( parent && parent !== this ) {
		// firefox sometimes assigns relatedtarget a xul element
		// which we cannot access the parentnode property of
		try {
			parent = parent.parentnode;

		// assuming we've left the element since we most likely mousedover a xul element
		} catch(e) {
			break;
		}
	}

	if ( parent !== this ) {
		// set the correct event type
		event.type = event.data;

		// handle event if we actually just moused on to a non sub-element
		jquery.event.handle.apply( this, arguments );
	}

},

// in case of event delegation, we only need to rename the event.type,
// livehandler will take care of the rest.
delegate = function( event ) {
	event.type = event.data;
	jquery.event.handle.apply( this, arguments );
};

// create mouseenter and mouseleave events
jquery.each({
	mouseenter: "mouseover",
	mouseleave: "mouseout"
}, function( orig, fix ) {
	jquery.event.special[ orig ] = {
		setup: function( data ) {
			jquery.event.add( this, fix, data && data.selector ? delegate : withinelement, orig );
		},
		teardown: function( data ) {
			jquery.event.remove( this, fix, data && data.selector ? delegate : withinelement );
		}
	};
});

// submit delegation
if ( !jquery.support.submitbubbles ) {

jquery.event.special.submit = {
	setup: function( data, namespaces, fn ) {
		if ( this.nodename.tolowercase() !== "form" ) {
			jquery.event.add(this, "click.specialsubmit." + fn.guid, function( e ) {
				var elem = e.target, type = elem.type;

				if ( (type === "submit" || type === "image") && jquery( elem ).closest("form").length ) {
					return trigger( "submit", this, arguments );
				}
			});
	 
			jquery.event.add(this, "keypress.specialsubmit." + fn.guid, function( e ) {
				var elem = e.target, type = elem.type;

				if ( (type === "text" || type === "password") && jquery( elem ).closest("form").length && e.keycode === 13 ) {
					return trigger( "submit", this, arguments );
				}
			});

		} else {
			return false;
		}
	},

	remove: function( namespaces, fn ) {
		jquery.event.remove( this, "click.specialsubmit" + (fn ? "."+fn.guid : "") );
		jquery.event.remove( this, "keypress.specialsubmit" + (fn ? "."+fn.guid : "") );
	}
};

}

// change delegation, happens here so we have bind.
if ( !jquery.support.changebubbles ) {

var formelems = /textarea|input|select/i;

function getval( elem ) {
	var type = elem.type, val = elem.value;

	if ( type === "radio" || type === "checkbox" ) {
		val = elem.checked;

	} else if ( type === "select-multiple" ) {
		val = elem.selectedindex > -1 ?
			jquery.map( elem.options, function( elem ) {
				return elem.selected;
			}).join("-") :
			"";

	} else if ( elem.nodename.tolowercase() === "select" ) {
		val = elem.selectedindex;
	}

	return val;
}

function testchange( e ) {
		var elem = e.target, data, val;

		if ( !formelems.test( elem.nodename ) || elem.readonly ) {
			return;
		}

		data = jquery.data( elem, "_change_data" );
		val = getval(elem);

		// the current data will be also retrieved by beforeactivate
		if ( e.type !== "focusout" || elem.type !== "radio" ) {
			jquery.data( elem, "_change_data", val );
		}
		
		if ( data === undefined || val === data ) {
			return;
		}

		if ( data != null || val ) {
			e.type = "change";
			return jquery.event.trigger( e, arguments[1], elem );
		}
}

jquery.event.special.change = {
	filters: {
		focusout: testchange, 

		click: function( e ) {
			var elem = e.target, type = elem.type;

			if ( type === "radio" || type === "checkbox" || elem.nodename.tolowercase() === "select" ) {
				return testchange.call( this, e );
			}
		},

		// change has to be called before submit
		// keydown will be called before keypress, which is used in submit-event delegation
		keydown: function( e ) {
			var elem = e.target, type = elem.type;

			if ( (e.keycode === 13 && elem.nodename.tolowercase() !== "textarea") ||
				(e.keycode === 32 && (type === "checkbox" || type === "radio")) ||
				type === "select-multiple" ) {
				return testchange.call( this, e );
			}
		},

		// beforeactivate happens also before the previous element is blurred
		// with this event you can't trigger a change event, but you can store
		// information/focus[in] is not needed anymore
		beforeactivate: function( e ) {
			var elem = e.target;

			if ( elem.nodename.tolowercase() === "input" && elem.type === "radio" ) {
				jquery.data( elem, "_change_data", getval(elem) );
			}
		}
	},
	setup: function( data, namespaces, fn ) {
		for ( var type in changefilters ) {
			jquery.event.add( this, type + ".specialchange." + fn.guid, changefilters[type] );
		}

		return formelems.test( this.nodename );
	},
	remove: function( namespaces, fn ) {
		for ( var type in changefilters ) {
			jquery.event.remove( this, type + ".specialchange" + (fn ? "."+fn.guid : ""), changefilters[type] );
		}

		return formelems.test( this.nodename );
	}
};

var changefilters = jquery.event.special.change.filters;

}

function trigger( type, elem, args ) {
	args[0].type = type;
	return jquery.event.handle.apply( elem, args );
}

// create "bubbling" focus and blur events
if ( document.addeventlistener ) {
	jquery.each({ focus: "focusin", blur: "focusout" }, function( orig, fix ) {
		jquery.event.special[ fix ] = {
			setup: function() {
				///	<summary>
				///		此方法为内部方法。
				///	</summary>
				///	<private />

				this.addeventlistener( orig, handler, true );
			}, 
			teardown: function() { 
				///	<summary>
				///		此方法为内部方法。
				///	</summary>
				///	<private />

				this.removeeventlistener( orig, handler, true );
			}
		};

		function handler( e ) { 
			e = jquery.event.fix( e );
			e.type = fix;
			return jquery.event.handle.call( this, e );
		}
	});
}

//	jquery.each(["bind", "one"], function( i, name ) {
//		jquery.fn[ name ] = function( type, data, fn ) {
//			// handle object literals
//			if ( typeof type === "object" ) {
//				for ( var key in type ) {
//					this[ name ](key, data, type[key], fn);
//				}
//				return this;
//			}
//			
//			if ( jquery.isfunction( data ) ) {
//				fn = data;
//				data = undefined;
//			}
//
//			var handler = name === "one" ? jquery.proxy( fn, function( event ) {
//				jquery( this ).unbind( event, handler );
//				return fn.apply( this, arguments );
//			}) : fn;
//
//			return type === "unload" && name !== "one" ?
//				this.one( type, data, fn ) :
//				this.each(function() {
//					jquery.event.add( this, type, handler, data );
//				});
//		};
//	});

jquery.fn[ "bind" ] = function( type, data, fn ) {
	///	<summary>
	///		将处理程序绑定到每个匹配元素的一个或多个事件。也可以绑定自定义事件。
	///	</summary>
	///	<param name="type" type="string">由空格分隔的一个或多个事件类型。内置事件类型值有: blur、focus、load、resize、scroll、unload、click、dblclick、mousedown、mouseup、mousemove、mouseover、mouseout、mouseenter、mouseleave、change、select、submit、keydown、keypress、keyup、error。</param>
	///	<param name="data" optional="true" type="object">作为 event.data 传递给事件处理程序的其他数据</param>
	///	<param name="fn" type="function">要绑定到每个匹配元素集上的事件的函数。例如 callback(eventobject)这样的函数对应于 dom 元素。</param>

	// 处理对象文本
	if ( typeof type === "object" ) {
		for ( var key in type ) {
			this[ "bind" ](key, data, type[key], fn);
		}
		return this;
	}
	
	if ( jquery.isfunction( data ) ) {
		fn = data;
		data = undefined;
	}

	var handler = "bind" === "one" ? jquery.proxy( fn, function( event ) {
		jquery( this ).unbind( event, handler );
		return fn.apply( this, arguments );
	}) : fn;

	return type === "unload" && "bind" !== "one" ?
		this.one( type, data, fn ) :
		this.each(function() {
			jquery.event.add( this, type, handler, data );
		});
};

jquery.fn[ "one" ] = function( type, data, fn ) {
	///	<summary>
	///		将处理程序绑定到将为每个匹配元素执行一次的一个或多个事件。
	///	</summary>
	///	<param name="type" type="string">由空格分隔的一个或多个事件类型。内置事件类型值有: blur、focus、load、resize、scroll、unload、click、dblclick、mousedown、mouseup、mousemove、mouseover、mouseout、mouseenter、mouseleave、change、select、submit、keydown、keypress、keyup、error。</param>
	///	<param name="data" optional="true" type="object">作为 event.data 传递给事件处理程序的其他数据</param>
	///	<param name="fn" type="function">要绑定到每个匹配元素集上的事件的函数。例如 callback(eventobject)这样的函数对应于 dom 元素。</param>

	// handle object literals
	if ( typeof type === "object" ) {
		for ( var key in type ) {
			this[ "one" ](key, data, type[key], fn);
		}
		return this;
	}
	
	if ( jquery.isfunction( data ) ) {
		fn = data;
		data = undefined;
	}

	var handler = "one" === "one" ? jquery.proxy( fn, function( event ) {
		jquery( this ).unbind( event, handler );
		return fn.apply( this, arguments );
	}) : fn;

	return type === "unload" && "one" !== "one" ?
		this.one( type, data, fn ) :
		this.each(function() {
			jquery.event.add( this, type, handler, data );
		});
};

jquery.fn.extend({
	unbind: function( type, fn ) {
		///	<summary>
		///		从每个匹配元素的一个或多个事件取消绑定处理程序。
		///	</summary>
		///	<param name="type" type="string">由空格分隔的一个或多个事件类型。内置事件类型值有: blur、focus、load、resize、scroll、unload、click、dblclick、mousedown、mouseup、mousemove、mouseover、mouseout、mouseenter、mouseleave、change、select、submit、keydown、keypress、keyup、error。</param>
		///	<param name="fn" type="function">要绑定到每个匹配元素集上的事件的函数。例如 callback(eventobject)这样的函数对应于 dom 元素。</param>

		// handle object literals
		if ( typeof type === "object" && !type.preventdefault ) {
			for ( var key in type ) {
				this.unbind(key, type[key]);
			}
			return this;
		}

		return this.each(function() {
			jquery.event.remove( this, type, fn );
		});
	},
	trigger: function( type, data ) {
		///	<summary>
		///		针对每个匹配元素触发一种事件类型。
		///	</summary>
		///	<param name="type" type="string">由空格分隔的一个或多个事件类型。内置事件类型值有: blur、focus、load、resize、scroll、unload、click、dblclick、mousedown、mouseup、mousemove、mouseover、mouseout、mouseenter、mouseleave、change、select、submit、keydown、keypress、keyup、error。</param>
		///	<param name="data" optional="true" type="array">作为附加参数传递给事件处理程序的其他数据。</param>
		///	<param name="fn" type="function">未记录此参数。</param>

		return this.each(function() {
			jquery.event.trigger( type, data, this );
		});
	},

	triggerhandler: function( type, data ) {
		///	<summary>
		///		为特定事件类型触发元素上绑定的所有事件处理程序，但不执行浏览器的默认操作。
		///	</summary>
		///	<param name="type" type="string">由空格分隔的一个或多个事件类型。内置事件类型值有: blur、focus、load、resize、scroll、unload、click、dblclick、mousedown、mouseup、mousemove、mouseover、mouseout、mouseenter、mouseleave、change、select、submit、keydown、keypress、keyup、error。</param>
		///	<param name="data" optional="true" type="array">作为附加参数传递给事件处理程序的其他数据。</param>
		///	<param name="fn" type="function">未记录此参数。</param>

		if ( this[0] ) {
			var event = jquery.event( type );
			event.preventdefault();
			event.stoppropagation();
			jquery.event.trigger( event, data, this[0] );
			return event.result;
		}
	},

	toggle: function( fn ) {
		///	<summary>
		///		每隔一次单击在两个或两个以上的函数调用中切换一次。
		///	</summary>
		///	<param name="fn" type="function">要切换执行的函数</param>

		// save reference to arguments for access in closure
		var args = arguments, i = 1;

		// link all the functions, so any of them can unbind this click handler
		while ( i < args.length ) {
			jquery.proxy( fn, args[ i++ ] );
		}

		return this.click( jquery.proxy( fn, function( event ) {
			// figure out which function to execute
			var lasttoggle = ( jquery.data( this, "lasttoggle" + fn.guid ) || 0 ) % i;
			jquery.data( this, "lasttoggle" + fn.guid, lasttoggle + 1 );

			// make sure that clicks stop
			event.preventdefault();

			// and execute the function
			return args[ lasttoggle ].apply( this, arguments ) || false;
		}));
	},

	hover: function( fnover, fnout ) {
		///	<summary>
		///		模拟悬停事件(将鼠标移到对象上或移离对象)。
		///	</summary>
		///	<param name="fnover" type="function">当鼠标移到某个匹配元素上时要激发的函数。</param>
		///	<param name="fnout" type="function">当鼠标离开某个匹配元素时要激发的函数。</param>

		return this.mouseenter( fnover ).mouseleave( fnout || fnover );
	}
});

//	jquery.each(["live", "die"], function( i, name ) {
//		jquery.fn[ name ] = function( types, data, fn ) {
//			var type, i = 0;
//
//			if ( jquery.isfunction( data ) ) {
//				fn = data;
//				data = undefined;
//			}
//
//			types = (types || "").split( /\s+/ );
//
//			while ( (type = types[ i++ ]) != null ) {
//				type = type === "focus" ? "focusin" : // focus --> focusin
//						type === "blur" ? "focusout" : // blur --> focusout
//						type === "hover" ? types.push("mouseleave") && "mouseenter" : // hover support
//						type;
//				
//				if ( name === "live" ) {
//					// bind live handler
//					jquery( this.context ).bind( liveconvert( type, this.selector ), {
//						data: data, selector: this.selector, live: type
//					}, fn );
//
//				} else {
//					// unbind live handler
//					jquery( this.context ).unbind( liveconvert( type, this.selector ), fn ? { guid: fn.guid + this.selector + type } : null );
//				}
//			}
//			
//			return this;
//		}
//	});

jquery.fn[ "live" ] = function( types, data, fn ) {
	///	<summary>
	///		为现在或将来匹配当前选择器的所有元素的事件
	///		附加一个处理程序。
	///	</summary>
	///	<param name="types" type="string">
	///		一个包含 javascript 事件类型(如“click”或“keydown”)的字符串。
	///	</param>
	///	<param name="data" type="object">
	///		将传递给事件处理程序的数据映射。
	///	</param>
	///	<param name="fn" type="function">
	///		要在触发事件时执行的函数。
	///	</param>
	///	<returns type="jquery" />

	var type, i = 0;

	if ( jquery.isfunction( data ) ) {
		fn = data;
		data = undefined;
	}

	types = (types || "").split( /\s+/ );

	while ( (type = types[ i++ ]) != null ) {
		type = type === "focus" ? "focusin" : // focus --> focusin
				type === "blur" ? "focusout" : // blur --> focusout
				type === "hover" ? types.push("mouseleave") && "mouseenter" : // hover support
				type;
		
		if ( "live" === "live" ) {
			// bind live handler
			jquery( this.context ).bind( liveconvert( type, this.selector ), {
				data: data, selector: this.selector, live: type
			}, fn );

		} else {
			// unbind live handler
			jquery( this.context ).unbind( liveconvert( type, this.selector ), fn ? { guid: fn.guid + this.selector + type } : null );
		}
	}
	
	return this;
}

jquery.fn[ "die" ] = function( types, data, fn ) {
	///	<summary>
	///		使用 .live()从元素中移除以前附加的所有事件处理程序。
	///	</summary>
	///	<param name="types" type="string">
	///		一个包含 javascript 事件类型(如 click 或 keydown)的字符串。
	///	</param>
	///	<param name="data" type="object">
	///		不会再执行的函数。
	///	</param>
	///	<returns type="jquery" />

	var type, i = 0;

	if ( jquery.isfunction( data ) ) {
		fn = data;
		data = undefined;
	}

	types = (types || "").split( /\s+/ );

	while ( (type = types[ i++ ]) != null ) {
		type = type === "focus" ? "focusin" : // focus --> focusin
				type === "blur" ? "focusout" : // blur --> focusout
				type === "hover" ? types.push("mouseleave") && "mouseenter" : // hover support
				type;
		
		if ( "die" === "live" ) {
			// bind live handler
			jquery( this.context ).bind( liveconvert( type, this.selector ), {
				data: data, selector: this.selector, live: type
			}, fn );

		} else {
			// unbind live handler
			jquery( this.context ).unbind( liveconvert( type, this.selector ), fn ? { guid: fn.guid + this.selector + type } : null );
		}
	}
	
	return this;
}

function livehandler( event ) {
	var stop, elems = [], selectors = [], args = arguments,
		related, match, fn, elem, j, i, l, data,
		live = jquery.extend({}, jquery.data( this, "events" ).live);

	// make sure we avoid non-left-click bubbling in firefox (#3861)
	if ( event.button && event.type === "click" ) {
		return;
	}

	for ( j in live ) {
		fn = live[j];
		if ( fn.live === event.type ||
				fn.altlive && jquery.inarray(event.type, fn.altlive) > -1 ) {

			data = fn.data;
			if ( !(data.beforefilter && data.beforefilter[event.type] && 
					!data.beforefilter[event.type](event)) ) {
				selectors.push( fn.selector );
			}
		} else {
			delete live[j];
		}
	}

	match = jquery( event.target ).closest( selectors, event.currenttarget );

	for ( i = 0, l = match.length; i < l; i++ ) {
		for ( j in live ) {
			fn = live[j];
			elem = match[i].elem;
			related = null;

			if ( match[i].selector === fn.selector ) {
				// those two events require additional checking
				if ( fn.live === "mouseenter" || fn.live === "mouseleave" ) {
					related = jquery( event.relatedtarget ).closest( fn.selector )[0];
				}

				if ( !related || related !== elem ) {
					elems.push({ elem: elem, fn: fn });
				}
			}
		}
	}

	for ( i = 0, l = elems.length; i < l; i++ ) {
		match = elems[i];
		event.currenttarget = match.elem;
		event.data = match.fn.data;
		if ( match.fn.apply( match.elem, args ) === false ) {
			stop = false;
			break;
		}
	}

	return stop;
}

function liveconvert( type, selector ) {
	return "live." + (type ? type + "." : "") + selector.replace(/\./g, "`").replace(/ /g, "&");
}

//	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").split(" "), function( i, name ) {
//
//		// handle event binding
//		jquery.fn[ name ] = function( fn ) {
//			return fn ? this.bind( name, fn ) : this.trigger( name );
//		};
//
//		if ( jquery.attrfn ) {
//			jquery.attrfn[ name ] = true;
//		}
//	});

jquery.fn[ "blur" ] = function( fn ) {
	///	<summary>
	///		1: blur() - 触发每个匹配元素的 blur 事件。
	///		2: blur(fn) - 将函数绑定到每个匹配元素的 blur 事件。
	///	</summary>
	///	<param name="fn" type="function">要执行的函数。</param>
	///	<returns type="jquery" />

	return fn ? this.bind( "blur", fn ) : this.trigger( "blur" );
};

jquery.fn[ "focus" ] = function( fn ) {
	///	<summary>
	///		1: focus() - 触发每个匹配元素的 focus 事件。
	///		2: focus(fn) - 将函数绑定到每个匹配元素的 focus 事件。
	///	</summary>
	///	<param name="fn" type="function">要执行的函数。</param>
	///	<returns type="jquery" />

	return fn ? this.bind( "focus", fn ) : this.trigger( "focus" );
};

jquery.fn[ "focusin" ] = function( fn ) {
		///	<summary>
		///		将事件处理程序绑定到“focusin”javascript 事件。
		///	</summary>
		///	<param name="fn" type="function">
		///		要在每次触发该事件时执行的函数。
		///	</param>
		///	<returns type="jquery" />

	return fn ? this.bind( "focusin", fn ) : this.trigger( "focusin" );
};

jquery.fn[ "focusout" ] = function( fn ) {
		///	<summary>
		///		将事件处理程序绑定到“focusout”javascript 事件。
		///	</summary>
		///	<param name="fn" type="function">
		///		要在每次触发该事件时执行的函数。
		///	</param>
		///	<returns type="jquery" />

	return fn ? this.bind( "focusout", fn ) : this.trigger( "focusout" );
};

jquery.fn[ "load" ] = function( fn ) {
	///	<summary>
	///		1: load() - 触发每个匹配元素的 load 事件。
	///		2: load(fn) - 将函数绑定到每个匹配元素的 load 事件。
	///	</summary>
	///	<param name="fn" type="function">要执行的函数。</param>
	///	<returns type="jquery" />

	return fn ? this.bind( "load", fn ) : this.trigger( "load" );
};

jquery.fn[ "resize" ] = function( fn ) {
	///	<summary>
	///		1: resize() - 触发每个匹配元素的 resize 事件。
	///		2: resize(fn) - 将函数绑定到每个匹配元素的 resize 事件。
	///	</summary>
	///	<param name="fn" type="function">要执行的函数。</param>
	///	<returns type="jquery" />

	return fn ? this.bind( "resize", fn ) : this.trigger( "resize" );
};

jquery.fn[ "scroll" ] = function( fn ) {
	///	<summary>
	///		1: scroll() - 触发每个匹配元素的 scroll 事件。
	///		2: scroll(fn) - 将函数绑定到每个匹配元素的 scroll 事件。
	///	</summary>
	///	<param name="fn" type="function">要执行的函数。</param>
	///	<returns type="jquery" />

	return fn ? this.bind( "scroll", fn ) : this.trigger( "scroll" );
};

jquery.fn[ "unload" ] = function( fn ) {
	///	<summary>
	///		1: unload() - 触发每个匹配元素的 unload 事件。
	///		2: unload(fn) - 将函数绑定到每个匹配元素的 unload 事件。
	///	</summary>
	///	<param name="fn" type="function">要执行的函数。</param>
	///	<returns type="jquery" />

	return fn ? this.bind( "unload", fn ) : this.trigger( "unload" );
};

jquery.fn[ "click" ] = function( fn ) {
	///	<summary>
	///		1: click() - 触发每个匹配元素的 click 事件。
	///		2: click(fn) - 将函数绑定到每个匹配元素的 click 事件。
	///	</summary>
	///	<param name="fn" type="function">要执行的函数。</param>
	///	<returns type="jquery" />

	return fn ? this.bind( "click", fn ) : this.trigger( "click" );
};

jquery.fn[ "dblclick" ] = function( fn ) {
	///	<summary>
	///		1: dblclick() - 触发每个匹配元素的 dblclick 事件。
	///		2: dblclick(fn) - 将函数绑定到每个匹配元素的 dblclick 事件。
	///	</summary>
	///	<param name="fn" type="function">要执行的函数。</param>
	///	<returns type="jquery" />

	return fn ? this.bind( "dblclick", fn ) : this.trigger( "dblclick" );
};

jquery.fn[ "mousedown" ] = function( fn ) {
	///	<summary>
	///		将函数绑定到每个匹配元素的 mousedown 事件。
	///	</summary>
	///	<param name="fn" type="function">要执行的函数。</param>
	///	<returns type="jquery" />

	return fn ? this.bind( "mousedown", fn ) : this.trigger( "mousedown" );
};

jquery.fn[ "mouseup" ] = function( fn ) {
	///	<summary>
	///		将函数绑定到每个匹配元素的 mouseup 事件。
	///	</summary>
	///	<param name="fn" type="function">要执行的函数。</param>
	///	<returns type="jquery" />

	return fn ? this.bind( "mouseup", fn ) : this.trigger( "mouseup" );
};

jquery.fn[ "mousemove" ] = function( fn ) {
	///	<summary>
	///		将函数绑定到每个匹配元素的 mousemove 事件。
	///	</summary>
	///	<param name="fn" type="function">要执行的函数。</param>
	///	<returns type="jquery" />

	return fn ? this.bind( "mousemove", fn ) : this.trigger( "mousemove" );
};

jquery.fn[ "mouseover" ] = function( fn ) {
	///	<summary>
	///		将函数绑定到每个匹配元素的 mouseover 事件。
	///	</summary>
	///	<param name="fn" type="function">要执行的函数。</param>
	///	<returns type="jquery" />

	return fn ? this.bind( "mouseover", fn ) : this.trigger( "mouseover" );
};

jquery.fn[ "mouseout" ] = function( fn ) {
	///	<summary>
	///		将函数绑定到每个匹配元素的 mouseout 事件。
	///	</summary>
	///	<param name="fn" type="function">要执行的函数。</param>
	///	<returns type="jquery" />

	return fn ? this.bind( "mouseout", fn ) : this.trigger( "mouseout" );
};

jquery.fn[ "mouseenter" ] = function( fn ) {
	///	<summary>
	///		将函数绑定到每个匹配元素的 mouseenter 事件。
	///	</summary>
	///	<param name="fn" type="function">要执行的函数。</param>
	///	<returns type="jquery" />

	return fn ? this.bind( "mouseenter", fn ) : this.trigger( "mouseenter" );
};

jquery.fn[ "mouseleave" ] = function( fn ) {
	///	<summary>
	///		将函数绑定到每个匹配元素的 mouseleave 事件。
	///	</summary>
	///	<param name="fn" type="function">要执行的函数。</param>
	///	<returns type="jquery" />

	return fn ? this.bind( "mouseleave", fn ) : this.trigger( "mouseleave" );
};

jquery.fn[ "change" ] = function( fn ) {
	///	<summary>
	///		1: change() - 触发每个匹配元素的 change 事件。
	///		2: change(fn) - 将函数绑定到每个匹配元素的 change 事件。
	///	</summary>
	///	<param name="fn" type="function">要执行的函数。</param>
	///	<returns type="jquery" />

	return fn ? this.bind( "change", fn ) : this.trigger( "change" );
};

jquery.fn[ "select" ] = function( fn ) {
	///	<summary>
	///		1: select() - 触发每个匹配元素的 select 事件。
	///		2: select(fn) - 将函数绑定到每个匹配元素的 select 事件。
	///	</summary>
	///	<param name="fn" type="function">要执行的函数。</param>
	///	<returns type="jquery" />

	return fn ? this.bind( "select", fn ) : this.trigger( "select" );
};

jquery.fn[ "submit" ] = function( fn ) {
	///	<summary>
	///		1: submit() - 触发每个匹配元素的 submit 事件。
	///		2: submit(fn) - 将函数绑定到每个匹配元素的 submit 事件。
	///	</summary>
	///	<param name="fn" type="function">要执行的函数。</param>
	///	<returns type="jquery" />

	return fn ? this.bind( "submit", fn ) : this.trigger( "submit" );
};

jquery.fn[ "keydown" ] = function( fn ) {
	///	<summary>
	///		1: keydown() - 触发每个匹配元素的 keydown 事件。
	///		2: keydown(fn) - 将函数绑定到每个匹配元素的 keydown 事件。
	///	</summary>
	///	<param name="fn" type="function">要执行的函数。</param>
	///	<returns type="jquery" />

	return fn ? this.bind( "keydown", fn ) : this.trigger( "keydown" );
};

jquery.fn[ "keypress" ] = function( fn ) {
	///	<summary>
	///		1: keypress() - 触发每个匹配元素的 keypress 事件。
	///		2: keypress(fn) - 将函数绑定到每个匹配元素的 keypress 事件。
	///	</summary>
	///	<param name="fn" type="function">要执行的函数。</param>
	///	<returns type="jquery" />

	return fn ? this.bind( "keypress", fn ) : this.trigger( "keypress" );
};

jquery.fn[ "keyup" ] = function( fn ) {
	///	<summary>
	///		1: keyup() - 触发每个匹配元素的 keyup 事件。
	///		2: keyup(fn) - 将函数绑定到每个匹配元素的 keyup 事件。
	///	</summary>
	///	<param name="fn" type="function">要执行的函数。</param>
	///	<returns type="jquery" />

	return fn ? this.bind( "keyup", fn ) : this.trigger( "keyup" );
};

jquery.fn[ "error" ] = function( fn ) {
	///	<summary>
	///		1: error() - 触发每个匹配元素的 error 事件。
	///		2: error(fn) - 将函数绑定到每个匹配元素的 error 事件。
	///	</summary>
	///	<param name="fn" type="function">要执行的函数。</param>
	///	<returns type="jquery" />

	return fn ? this.bind( "error", fn ) : this.trigger( "error" );
};

// prevent memory leaks in ie
// window isn't included so as not to unbind existing unload events
// more info:
//  - http://isaacschlueter.com/2006/10/msie-memory-leaks/
if ( window.attachevent && !window.addeventlistener ) {
	window.attachevent("onunload", function() {
		for ( var id in jquery.cache ) {
			if ( jquery.cache[ id ].handle ) {
				// try/catch is to handle iframes being unloaded, see #4280
				try {
					jquery.event.remove( jquery.cache[ id ].handle.elem );
				} catch(e) {}
			}
		}
	});
}
/*!
 * sizzle css selector engine - v1.0
 *  copyright 2009, the dojo foundation
 *  released under the mit, bsd, and gpl licenses.
 *  more information: http://sizzlejs.com/
 */
(function(){

var chunker = /((?:\((?:\([^()]+\)|[^()]+)+\)|\[(?:\[[^[\]]*\]|['"][^'"]*['"]|[^[\]'"]+)+\]|\\.|[^ >+~,(\[\\]+)+|[>+~])(\s*,\s*)?((?:.|\r|\n)*)/g,
	done = 0,
	tostring = object.prototype.tostring,
	hasduplicate = false,
	basehasduplicate = true;

// here we check if the javascript engine is using some sort of
// optimization where it does not always call our comparision
// function. if that is the case, discard the hasduplicate value.
//   thus far that includes google chrome.
[0, 0].sort(function(){
	basehasduplicate = false;
	return 0;
});

var sizzle = function(selector, context, results, seed) {
	results = results || [];
	var origcontext = context = context || document;

	if ( context.nodetype !== 1 && context.nodetype !== 9 ) {
		return [];
	}
	
	if ( !selector || typeof selector !== "string" ) {
		return results;
	}

	var parts = [], m, set, checkset, extra, prune = true, contextxml = isxml(context),
		sofar = selector;
	
	// reset the position of the chunker regexp (start from head)
	while ( (chunker.exec(""), m = chunker.exec(sofar)) !== null ) {
		sofar = m[3];
		
		parts.push( m[1] );
		
		if ( m[2] ) {
			extra = m[3];
			break;
		}
	}

	if ( parts.length > 1 && origpos.exec( selector ) ) {
		if ( parts.length === 2 && expr.relative[ parts[0] ] ) {
			set = posprocess( parts[0] + parts[1], context );
		} else {
			set = expr.relative[ parts[0] ] ?
				[ context ] :
				sizzle( parts.shift(), context );

			while ( parts.length ) {
				selector = parts.shift();

				if ( expr.relative[ selector ] ) {
					selector += parts.shift();
				}
				
				set = posprocess( selector, set );
			}
		}
	} else {
		// take a shortcut and set the context if the root selector is an id
		// (but not if it'll be faster if the inner selector is an id)
		if ( !seed && parts.length > 1 && context.nodetype === 9 && !contextxml &&
				expr.match.id.test(parts[0]) && !expr.match.id.test(parts[parts.length - 1]) ) {
			var ret = sizzle.find( parts.shift(), context, contextxml );
			context = ret.expr ? sizzle.filter( ret.expr, ret.set )[0] : ret.set[0];
		}

		if ( context ) {
			var ret = seed ?
				{ expr: parts.pop(), set: makearray(seed) } :
				sizzle.find( parts.pop(), parts.length === 1 && (parts[0] === "~" || parts[0] === "+") && context.parentnode ? context.parentnode : context, contextxml );
			set = ret.expr ? sizzle.filter( ret.expr, ret.set ) : ret.set;

			if ( parts.length > 0 ) {
				checkset = makearray(set);
			} else {
				prune = false;
			}

			while ( parts.length ) {
				var cur = parts.pop(), pop = cur;

				if ( !expr.relative[ cur ] ) {
					cur = "";
				} else {
					pop = parts.pop();
				}

				if ( pop == null ) {
					pop = context;
				}

				expr.relative[ cur ]( checkset, pop, contextxml );
			}
		} else {
			checkset = parts = [];
		}
	}

	if ( !checkset ) {
		checkset = set;
	}

	if ( !checkset ) {
		sizzle.error( cur || selector );
	}

	if ( tostring.call(checkset) === "[object array]" ) {
		if ( !prune ) {
			results.push.apply( results, checkset );
		} else if ( context && context.nodetype === 1 ) {
			for ( var i = 0; checkset[i] != null; i++ ) {
				if ( checkset[i] && (checkset[i] === true || checkset[i].nodetype === 1 && contains(context, checkset[i])) ) {
					results.push( set[i] );
				}
			}
		} else {
			for ( var i = 0; checkset[i] != null; i++ ) {
				if ( checkset[i] && checkset[i].nodetype === 1 ) {
					results.push( set[i] );
				}
			}
		}
	} else {
		makearray( checkset, results );
	}

	if ( extra ) {
		sizzle( extra, origcontext, results, seed );
		sizzle.uniquesort( results );
	}

	return results;
};

sizzle.uniquesort = function(results){
	///	<summary>
	///		从元素数组中移除所有的重复元素。
	///	</summary>
	///	<param name="array" type="array&lt;element&gt;">要转换的数组</param>
	///	<returns type="array&lt;element&gt;">转换后的数组。</returns>

	if ( sortorder ) {
		hasduplicate = basehasduplicate;
		results.sort(sortorder);

		if ( hasduplicate ) {
			for ( var i = 1; i < results.length; i++ ) {
				if ( results[i] === results[i-1] ) {
					results.splice(i--, 1);
				}
			}
		}
	}

	return results;
};

sizzle.matches = function(expr, set){
	return sizzle(expr, null, null, set);
};

sizzle.find = function(expr, context, isxml){
	var set, match;

	if ( !expr ) {
		return [];
	}

	for ( var i = 0, l = expr.order.length; i < l; i++ ) {
		var type = expr.order[i], match;
		
		if ( (match = expr.leftmatch[ type ].exec( expr )) ) {
			var left = match[1];
			match.splice(1,1);

			if ( left.substr( left.length - 1 ) !== "\\" ) {
				match[1] = (match[1] || "").replace(/\\/g, "");
				set = expr.find[ type ]( match, context, isxml );
				if ( set != null ) {
					expr = expr.replace( expr.match[ type ], "" );
					break;
				}
			}
		}
	}

	if ( !set ) {
		set = context.getelementsbytagname("*");
	}

	return {set: set, expr: expr};
};

sizzle.filter = function(expr, set, inplace, not){
	var old = expr, result = [], curloop = set, match, anyfound,
		isxmlfilter = set && set[0] && isxml(set[0]);

	while ( expr && set.length ) {
		for ( var type in expr.filter ) {
			if ( (match = expr.leftmatch[ type ].exec( expr )) != null && match[2] ) {
				var filter = expr.filter[ type ], found, item, left = match[1];
				anyfound = false;

				match.splice(1,1);

				if ( left.substr( left.length - 1 ) === "\\" ) {
					continue;
				}

				if ( curloop === result ) {
					result = [];
				}

				if ( expr.prefilter[ type ] ) {
					match = expr.prefilter[ type ]( match, curloop, inplace, result, not, isxmlfilter );

					if ( !match ) {
						anyfound = found = true;
					} else if ( match === true ) {
						continue;
					}
				}

				if ( match ) {
					for ( var i = 0; (item = curloop[i]) != null; i++ ) {
						if ( item ) {
							found = filter( item, match, i, curloop );
							var pass = not ^ !!found;

							if ( inplace && found != null ) {
								if ( pass ) {
									anyfound = true;
								} else {
									curloop[i] = false;
								}
							} else if ( pass ) {
								result.push( item );
								anyfound = true;
							}
						}
					}
				}

				if ( found !== undefined ) {
					if ( !inplace ) {
						curloop = result;
					}

					expr = expr.replace( expr.match[ type ], "" );

					if ( !anyfound ) {
						return [];
					}

					break;
				}
			}
		}

		// improper expression
		if ( expr === old ) {
			if ( anyfound == null ) {
				sizzle.error( expr );
			} else {
				break;
			}
		}

		old = expr;
	}

	return curloop;
};

sizzle.error = function( msg ) {
	throw "syntax error, unrecognized expression: " + msg;
};

var expr = sizzle.selectors = {
	order: [ "id", "name", "tag" ],
	match: {
		id: /#((?:[\w\u00c0-\uffff-]|\\.)+)/,
		class: /\.((?:[\w\u00c0-\uffff-]|\\.)+)/,
		name: /\[name=['"]*((?:[\w\u00c0-\uffff-]|\\.)+)['"]*\]/,
		attr: /\[\s*((?:[\w\u00c0-\uffff-]|\\.)+)\s*(?:(\s?=)\s*(['"]*)(.*?)\3|)\s*\]/,
		tag: /^((?:[\w\u00c0-\uffff\*-]|\\.)+)/,
		child: /:(only|nth|last|first)-child(?:\((even|odd|[\dn+-]*)\))?/,
		pos: /:(nth|eq|gt|lt|first|last|even|odd)(?:\((\d*)\))?(?=[^-]|$)/,
		pseudo: /:((?:[\w\u00c0-\uffff-]|\\.)+)(?:\((['"]?)((?:\([^\)]+\)|[^\(\)]*)+)\2\))?/
	},
	leftmatch: {},
	attrmap: {
		"class": "classname",
		"for": "htmlfor"
	},
	attrhandle: {
		href: function(elem){
			return elem.getattribute("href");
		}
	},
	relative: {
		"+": function(checkset, part){
			var ispartstr = typeof part === "string",
				istag = ispartstr && !/\w/.test(part),
				ispartstrnottag = ispartstr && !istag;

			if ( istag ) {
				part = part.tolowercase();
			}

			for ( var i = 0, l = checkset.length, elem; i < l; i++ ) {
				if ( (elem = checkset[i]) ) {
					while ( (elem = elem.previoussibling) && elem.nodetype !== 1 ) {}

					checkset[i] = ispartstrnottag || elem && elem.nodename.tolowercase() === part ?
						elem || false :
						elem === part;
				}
			}

			if ( ispartstrnottag ) {
				sizzle.filter( part, checkset, true );
			}
		},
		">": function(checkset, part){
			var ispartstr = typeof part === "string";

			if ( ispartstr && !/\w/.test(part) ) {
				part = part.tolowercase();

				for ( var i = 0, l = checkset.length; i < l; i++ ) {
					var elem = checkset[i];
					if ( elem ) {
						var parent = elem.parentnode;
						checkset[i] = parent.nodename.tolowercase() === part ? parent : false;
					}
				}
			} else {
				for ( var i = 0, l = checkset.length; i < l; i++ ) {
					var elem = checkset[i];
					if ( elem ) {
						checkset[i] = ispartstr ?
							elem.parentnode :
							elem.parentnode === part;
					}
				}

				if ( ispartstr ) {
					sizzle.filter( part, checkset, true );
				}
			}
		},
		"": function(checkset, part, isxml){
			var donename = done++, checkfn = dircheck;

			if ( typeof part === "string" && !/\w/.test(part) ) {
				var nodecheck = part = part.tolowercase();
				checkfn = dirnodecheck;
			}

			checkfn("parentnode", part, donename, checkset, nodecheck, isxml);
		},
		"~": function(checkset, part, isxml){
			var donename = done++, checkfn = dircheck;

			if ( typeof part === "string" && !/\w/.test(part) ) {
				var nodecheck = part = part.tolowercase();
				checkfn = dirnodecheck;
			}

			checkfn("previoussibling", part, donename, checkset, nodecheck, isxml);
		}
	},
	find: {
		id: function(match, context, isxml){
			if ( typeof context.getelementbyid !== "undefined" && !isxml ) {
				var m = context.getelementbyid(match[1]);
				return m ? [m] : [];
			}
		},
		name: function(match, context){
			if ( typeof context.getelementsbyname !== "undefined" ) {
				var ret = [], results = context.getelementsbyname(match[1]);

				for ( var i = 0, l = results.length; i < l; i++ ) {
					if ( results[i].getattribute("name") === match[1] ) {
						ret.push( results[i] );
					}
				}

				return ret.length === 0 ? null : ret;
			}
		},
		tag: function(match, context){
			return context.getelementsbytagname(match[1]);
		}
	},
	prefilter: {
		class: function(match, curloop, inplace, result, not, isxml){
			match = " " + match[1].replace(/\\/g, "") + " ";

			if ( isxml ) {
				return match;
			}

			for ( var i = 0, elem; (elem = curloop[i]) != null; i++ ) {
				if ( elem ) {
					if ( not ^ (elem.classname && (" " + elem.classname + " ").replace(/[\t\n]/g, " ").indexof(match) >= 0) ) {
						if ( !inplace ) {
							result.push( elem );
						}
					} else if ( inplace ) {
						curloop[i] = false;
					}
				}
			}

			return false;
		},
		id: function(match){
			return match[1].replace(/\\/g, "");
		},
		tag: function(match, curloop){
			return match[1].tolowercase();
		},
		child: function(match){
			if ( match[1] === "nth" ) {
				// parse equations like 'even', 'odd', '5', '2n', '3n+2', '4n-1', '-n+6'
				var test = /(-?)(\d*)n((?:\+|-)?\d*)/.exec(
					match[2] === "even" && "2n" || match[2] === "odd" && "2n+1" ||
					!/\d/.test( match[2] ) && "0n+" + match[2] || match[2]);

				// calculate the numbers (first)n+(last) including if they are negative
				match[2] = (test[1] + (test[2] || 1)) - 0;
				match[3] = test[3] - 0;
			}

			// todo: move to normal caching system
			match[0] = done++;

			return match;
		},
		attr: function(match, curloop, inplace, result, not, isxml){
			var name = match[1].replace(/\\/g, "");
			
			if ( !isxml && expr.attrmap[name] ) {
				match[1] = expr.attrmap[name];
			}

			if ( match[2] === "~=" ) {
				match[4] = " " + match[4] + " ";
			}

			return match;
		},
		pseudo: function(match, curloop, inplace, result, not){
			if ( match[1] === "not" ) {
				// if we're dealing with a complex expression, or a simple one
				if ( ( chunker.exec(match[3]) || "" ).length > 1 || /^\w/.test(match[3]) ) {
					match[3] = sizzle(match[3], null, null, curloop);
				} else {
					var ret = sizzle.filter(match[3], curloop, inplace, true ^ not);
					if ( !inplace ) {
						result.push.apply( result, ret );
					}
					return false;
				}
			} else if ( expr.match.pos.test( match[0] ) || expr.match.child.test( match[0] ) ) {
				return true;
			}
			
			return match;
		},
		pos: function(match){
			match.unshift( true );
			return match;
		}
	},
	filters: {
		enabled: function(elem){
			return elem.disabled === false && elem.type !== "hidden";
		},
		disabled: function(elem){
			return elem.disabled === true;
		},
		checked: function(elem){
			return elem.checked === true;
		},
		selected: function(elem){
			// accessing this property makes selected-by-default
			// options in safari work properly
			elem.parentnode.selectedindex;
			return elem.selected === true;
		},
		parent: function(elem){
			return !!elem.firstchild;
		},
		empty: function(elem){
			return !elem.firstchild;
		},
		has: function(elem, i, match){
			///	<summary>
			///		仅供内部使用；请使用 hasclass('class')
			///	</summary>
			///	<private />

			return !!sizzle( match[3], elem ).length;
		},
		header: function(elem){
			return /h\d/i.test( elem.nodename );
		},
		text: function(elem){
			return "text" === elem.type;
		},
		radio: function(elem){
			return "radio" === elem.type;
		},
		checkbox: function(elem){
			return "checkbox" === elem.type;
		},
		file: function(elem){
			return "file" === elem.type;
		},
		password: function(elem){
			return "password" === elem.type;
		},
		submit: function(elem){
			return "submit" === elem.type;
		},
		image: function(elem){
			return "image" === elem.type;
		},
		reset: function(elem){
			return "reset" === elem.type;
		},
		button: function(elem){
			return "button" === elem.type || elem.nodename.tolowercase() === "button";
		},
		input: function(elem){
			return /input|select|textarea|button/i.test(elem.nodename);
		}
	},
	setfilters: {
		first: function(elem, i){
			return i === 0;
		},
		last: function(elem, i, match, array){
			return i === array.length - 1;
		},
		even: function(elem, i){
			return i % 2 === 0;
		},
		odd: function(elem, i){
			return i % 2 === 1;
		},
		lt: function(elem, i, match){
			return i < match[3] - 0;
		},
		gt: function(elem, i, match){
			return i > match[3] - 0;
		},
		nth: function(elem, i, match){
			return match[3] - 0 === i;
		},
		eq: function(elem, i, match){
			return match[3] - 0 === i;
		}
	},
	filter: {
		pseudo: function(elem, match, i, array){
			var name = match[1], filter = expr.filters[ name ];

			if ( filter ) {
				return filter( elem, i, match, array );
			} else if ( name === "contains" ) {
				return (elem.textcontent || elem.innertext || gettext([ elem ]) || "").indexof(match[3]) >= 0;
			} else if ( name === "not" ) {
				var not = match[3];

				for ( var i = 0, l = not.length; i < l; i++ ) {
					if ( not[i] === elem ) {
						return false;
					}
				}

				return true;
			} else {
				sizzle.error( "syntax error, unrecognized expression: " + name );
			}
		},
		child: function(elem, match){
			var type = match[1], node = elem;
			switch (type) {
				case 'only':
				case 'first':
					while ( (node = node.previoussibling) )	 {
						if ( node.nodetype === 1 ) { 
							return false; 
						}
					}
					if ( type === "first" ) { 
						return true; 
					}
					node = elem;
				case 'last':
					while ( (node = node.nextsibling) )	 {
						if ( node.nodetype === 1 ) { 
							return false; 
						}
					}
					return true;
				case 'nth':
					var first = match[2], last = match[3];

					if ( first === 1 && last === 0 ) {
						return true;
					}
					
					var donename = match[0],
						parent = elem.parentnode;
	
					if ( parent && (parent.sizcache !== donename || !elem.nodeindex) ) {
						var count = 0;
						for ( node = parent.firstchild; node; node = node.nextsibling ) {
							if ( node.nodetype === 1 ) {
								node.nodeindex = ++count;
							}
						} 
						parent.sizcache = donename;
					}
					
					var diff = elem.nodeindex - last;
					if ( first === 0 ) {
						return diff === 0;
					} else {
						return ( diff % first === 0 && diff / first >= 0 );
					}
			}
		},
		id: function(elem, match){
			return elem.nodetype === 1 && elem.getattribute("id") === match;
		},
		tag: function(elem, match){
			return (match === "*" && elem.nodetype === 1) || elem.nodename.tolowercase() === match;
		},
		class: function(elem, match){
			return (" " + (elem.classname || elem.getattribute("class")) + " ")
				.indexof( match ) > -1;
		},
		attr: function(elem, match){
			var name = match[1],
				result = expr.attrhandle[ name ] ?
					expr.attrhandle[ name ]( elem ) :
					elem[ name ] != null ?
						elem[ name ] :
						elem.getattribute( name ),
				value = result + "",
				type = match[2],
				check = match[4];

			return result == null ?
				type === "!=" :
				type === "=" ?
				value === check :
				type === "*=" ?
				value.indexof(check) >= 0 :
				type === "~=" ?
				(" " + value + " ").indexof(check) >= 0 :
				!check ?
				value && result !== false :
				type === "!=" ?
				value !== check :
				type === "^=" ?
				value.indexof(check) === 0 :
				type === "$=" ?
				value.substr(value.length - check.length) === check :
				type === "|=" ?
				value === check || value.substr(0, check.length + 1) === check + "-" :
				false;
		},
		pos: function(elem, match, i, array){
			var name = match[2], filter = expr.setfilters[ name ];

			if ( filter ) {
				return filter( elem, i, match, array );
			}
		}
	}
};

var origpos = expr.match.pos;

for ( var type in expr.match ) {
	expr.match[ type ] = new regexp( expr.match[ type ].source + /(?![^\[]*\])(?![^\(]*\))/.source );
	expr.leftmatch[ type ] = new regexp( /(^(?:.|\r|\n)*?)/.source + expr.match[ type ].source.replace(/\\(\d+)/g, function(all, num){
		return "\\" + (num - 0 + 1);
	}));
}

var makearray = function(array, results) {
	array = array.prototype.slice.call( array, 0 );

	if ( results ) {
		results.push.apply( results, array );
		return results;
	}
	
	return array;
};

// perform a simple check to determine if the browser is capable of
// converting a nodelist to an array using builtin methods.
try {
	array.prototype.slice.call( document.documentelement.childnodes, 0 );

// provide a fallback method if it does not work
} catch(e){
	makearray = function(array, results) {
		var ret = results || [];

		if ( tostring.call(array) === "[object array]" ) {
			array.prototype.push.apply( ret, array );
		} else {
			if ( typeof array.length === "number" ) {
				for ( var i = 0, l = array.length; i < l; i++ ) {
					ret.push( array[i] );
				}
			} else {
				for ( var i = 0; array[i]; i++ ) {
					ret.push( array[i] );
				}
			}
		}

		return ret;
	};
}

var sortorder;

if ( document.documentelement.comparedocumentposition ) {
	sortorder = function( a, b ) {
		if ( !a.comparedocumentposition || !b.comparedocumentposition ) {
			if ( a == b ) {
				hasduplicate = true;
			}
			return a.comparedocumentposition ? -1 : 1;
		}

		var ret = a.comparedocumentposition(b) & 4 ? -1 : a === b ? 0 : 1;
		if ( ret === 0 ) {
			hasduplicate = true;
		}
		return ret;
	};
} else if ( "sourceindex" in document.documentelement ) {
	sortorder = function( a, b ) {
		if ( !a.sourceindex || !b.sourceindex ) {
			if ( a == b ) {
				hasduplicate = true;
			}
			return a.sourceindex ? -1 : 1;
		}

		var ret = a.sourceindex - b.sourceindex;
		if ( ret === 0 ) {
			hasduplicate = true;
		}
		return ret;
	};
} else if ( document.createrange ) {
	sortorder = function( a, b ) {
		if ( !a.ownerdocument || !b.ownerdocument ) {
			if ( a == b ) {
				hasduplicate = true;
			}
			return a.ownerdocument ? -1 : 1;
		}

		var arange = a.ownerdocument.createrange(), brange = b.ownerdocument.createrange();
		arange.setstart(a, 0);
		arange.setend(a, 0);
		brange.setstart(b, 0);
		brange.setend(b, 0);
		var ret = arange.compareboundarypoints(range.start_to_end, brange);
		if ( ret === 0 ) {
			hasduplicate = true;
		}
		return ret;
	};
}

// utility function for retreiving the text value of an array of dom nodes
function gettext( elems ) {
	var ret = "", elem;

	for ( var i = 0; elems[i]; i++ ) {
		elem = elems[i];

		// get the text from text nodes and cdata nodes
		if ( elem.nodetype === 3 || elem.nodetype === 4 ) {
			ret += elem.nodevalue;

		// traverse everything else, except comment nodes
		} else if ( elem.nodetype !== 8 ) {
			ret += gettext( elem.childnodes );
		}
	}

	return ret;
}

// [vsdoc] the following function has been modified for intellisense.
// check to see if the browser returns elements by name when
// querying by getelementbyid (and provide a workaround)
(function(){
	// we're going to inject a fake input element with a specified name
	//	var form = document.createelement("div"),
	//		id = "script" + (new date).gettime();
	//	form.innerhtml = "<a name='" + id + "'/>";

	//	// inject it into the root element, check its status, and remove it quickly
	//	var root = document.documentelement;
	//	root.insertbefore( form, root.firstchild );

	// the workaround has to do additional checks after a getelementbyid
	// which slows things down for other browsers (hence the branching)
	//	if ( document.getelementbyid( id ) ) {
		expr.find.id = function(match, context, isxml){
			if ( typeof context.getelementbyid !== "undefined" && !isxml ) {
				var m = context.getelementbyid(match[1]);
				return m ? m.id === match[1] || typeof m.getattributenode !== "undefined" && m.getattributenode("id").nodevalue === match[1] ? [m] : undefined : [];
			}
		};

		expr.filter.id = function(elem, match){
			var node = typeof elem.getattributenode !== "undefined" && elem.getattributenode("id");
			return elem.nodetype === 1 && node && node.nodevalue === match;
		};
	//	}

	//	root.removechild( form );
	root = form = null; // release memory in ie
})();

// [vsdoc] the following function has been modified for intellisense.
(function(){
	// check to see if the browser returns only elements
	// when doing getelementsbytagname("*")

	// create a fake element
	//	var div = document.createelement("div");
	//	div.appendchild( document.createcomment("") );

	// make sure no comments are found
	//	if ( div.getelementsbytagname("*").length > 0 ) {
		expr.find.tag = function(match, context){
			var results = context.getelementsbytagname(match[1]);

			// filter out possible comments
			if ( match[1] === "*" ) {
				var tmp = [];

				for ( var i = 0; results[i]; i++ ) {
					if ( results[i].nodetype === 1 ) {
						tmp.push( results[i] );
					}
				}

				results = tmp;
			}

			return results;
		};
	//	}

	// check to see if an attribute returns normalized href attributes
	//	div.innerhtml = "<a href='#'></a>";
	//	if ( div.firstchild && typeof div.firstchild.getattribute !== "undefined" &&
	//			div.firstchild.getattribute("href") !== "#" ) {
		expr.attrhandle.href = function(elem){
			return elem.getattribute("href", 2);
		};
	//	}

	div = null; // release memory in ie
})();

if ( document.queryselectorall ) {
	(function(){
		var oldsizzle = sizzle, div = document.createelement("div");
		div.innerhtml = "<p class='test'></p>";

		// safari can't handle uppercase or unicode characters when
		// in quirks mode.
		if ( div.queryselectorall && div.queryselectorall(".test").length === 0 ) {
			return;
		}
	
		sizzle = function(query, context, extra, seed){
			context = context || document;

			// only use queryselectorall on non-xml documents
			// (id selectors don't work in non-html documents)
			if ( !seed && context.nodetype === 9 && !isxml(context) ) {
				try {
					return makearray( context.queryselectorall(query), extra );
				} catch(e){}
			}
		
			return oldsizzle(query, context, extra, seed);
		};

		for ( var prop in oldsizzle ) {
			sizzle[ prop ] = oldsizzle[ prop ];
		}

		div = null; // release memory in ie
	})();
}

(function(){
	var div = document.createelement("div");

	div.innerhtml = "<div class='test e'></div><div class='test'></div>";

	// opera can't find a second classname (in 9.6)
	// also, make sure that getelementsbyclassname actually exists
	if ( !div.getelementsbyclassname || div.getelementsbyclassname("e").length === 0 ) {
		return;
	}

	// safari caches class attributes, doesn't catch changes (in 3.2)
	div.lastchild.classname = "e";

	if ( div.getelementsbyclassname("e").length === 1 ) {
		return;
	}
	
	expr.order.splice(1, 0, "class");
	expr.find.class = function(match, context, isxml) {
		if ( typeof context.getelementsbyclassname !== "undefined" && !isxml ) {
			return context.getelementsbyclassname(match[1]);
		}
	};

	div = null; // release memory in ie
})();

function dirnodecheck( dir, cur, donename, checkset, nodecheck, isxml ) {
	for ( var i = 0, l = checkset.length; i < l; i++ ) {
		var elem = checkset[i];
		if ( elem ) {
			elem = elem[dir];
			var match = false;

			while ( elem ) {
				if ( elem.sizcache === donename ) {
					match = checkset[elem.sizset];
					break;
				}

				if ( elem.nodetype === 1 && !isxml ){
					elem.sizcache = donename;
					elem.sizset = i;
				}

				if ( elem.nodename.tolowercase() === cur ) {
					match = elem;
					break;
				}

				elem = elem[dir];
			}

			checkset[i] = match;
		}
	}
}

function dircheck( dir, cur, donename, checkset, nodecheck, isxml ) {
	for ( var i = 0, l = checkset.length; i < l; i++ ) {
		var elem = checkset[i];
		if ( elem ) {
			elem = elem[dir];
			var match = false;

			while ( elem ) {
				if ( elem.sizcache === donename ) {
					match = checkset[elem.sizset];
					break;
				}

				if ( elem.nodetype === 1 ) {
					if ( !isxml ) {
						elem.sizcache = donename;
						elem.sizset = i;
					}
					if ( typeof cur !== "string" ) {
						if ( elem === cur ) {
							match = true;
							break;
						}

					} else if ( sizzle.filter( cur, [elem] ).length > 0 ) {
						match = elem;
						break;
					}
				}

				elem = elem[dir];
			}

			checkset[i] = match;
		}
	}
}

var contains = document.comparedocumentposition ? function(a, b){
	///	<summary>
	///		检查某个 dom 节点是否位于另一个 dom 节点中。
	///	</summary>
	///	<param name="a" type="object">
	///		可能包含其他元素的 dom 元素。
	///	</param>
	///	<param name="b" type="object">
	///		可能包含于其他元素中的 dom 节点。
	///	</param>
	///	<returns type="boolean" />

	return a.comparedocumentposition(b) & 16;
} : function(a, b){
	///	<summary>
	///		检查某个 dom 节点是否位于另一个 dom 节点中。
	///	</summary>
	///	<param name="a" type="object">
	///		可能包含其他元素的 dom 元素。
	///	</param>
	///	<param name="b" type="object">
	///		可能包含于其他元素中的 dom 节点。
	///	</param>
	///	<returns type="boolean" />

	return a !== b && (a.contains ? a.contains(b) : true);
};

var isxml = function(elem){
	///	<summary>
	///		确定传递的参数是否为 xml 文档。
	///	</summary>
	///	<param name="elem" type="object">要测试的对象</param>
	///	<returns type="boolean">如果该参数为 xml 文档，则为 true；否则为 false。</returns>

	// documentelement is verified for cases where it doesn't yet exist
	// (such as loading iframes in ie - #4833) 
	var documentelement = (elem ? elem.ownerdocument || elem : 0).documentelement;
	return documentelement ? documentelement.nodename !== "html" : false;
};

var posprocess = function(selector, context){
	var tmpset = [], later = "", match,
		root = context.nodetype ? [context] : context;

	// position selectors must be done after the filter
	// and so must :not(positional) so we move all pseudos to the end
	while ( (match = expr.match.pseudo.exec( selector )) ) {
		later += match[0];
		selector = selector.replace( expr.match.pseudo, "" );
	}

	selector = expr.relative[selector] ? selector + "*" : selector;

	for ( var i = 0, l = root.length; i < l; i++ ) {
		sizzle( selector, root[i], tmpset );
	}

	return sizzle.filter( later, tmpset );
};

// expose
jquery.find = sizzle;
jquery.expr = sizzle.selectors;
jquery.expr[":"] = jquery.expr.filters;
jquery.unique = sizzle.uniquesort;
jquery.gettext = gettext;
jquery.isxmldoc = isxml;
jquery.contains = contains;

return;

window.sizzle = sizzle;

})();
var runtil = /until$/,
	rparentsprev = /^(?:parents|prevuntil|prevall)/,
	// note: this regexp should be improved, or likely pulled from sizzle
	rmultiselector = /,/,
	slice = array.prototype.slice;

// implement the identical functionality for filter and not
var winnow = function( elements, qualifier, keep ) {
	if ( jquery.isfunction( qualifier ) ) {
		return jquery.grep(elements, function( elem, i ) {
			return !!qualifier.call( elem, i, elem ) === keep;
		});

	} else if ( qualifier.nodetype ) {
		return jquery.grep(elements, function( elem, i ) {
			return (elem === qualifier) === keep;
		});

	} else if ( typeof qualifier === "string" ) {
		var filtered = jquery.grep(elements, function( elem ) {
			return elem.nodetype === 1;
		});

		if ( issimple.test( qualifier ) ) {
			return jquery.filter(qualifier, filtered, !keep);
		} else {
			qualifier = jquery.filter( qualifier, filtered );
		}
	}

	return jquery.grep(elements, function( elem, i ) {
		return (jquery.inarray( elem, qualifier ) >= 0) === keep;
	});
};

jquery.fn.extend({
	find: function( selector ) {
		///	<summary>
		///		搜索与指定的表达式匹配的所有元素。
		///		此方法是查找其他要进行处理的子代
		///		元素的好方法。
		///		所有搜索都是使用 jquery 表达式来完成的。可以使用
		///		css 1-3 选择器语法或基本 xpath 来编写该表达式。
		///		dom/遍历部分
		///	</summary>
		///	<returns type="jquery" />
		///	<param name="selector" type="string">
		///		要用于搜索的表达式。
		///	</param>
		///	<returns type="jquery" />

		var ret = this.pushstack( "", "find", selector ), length = 0;

		for ( var i = 0, l = this.length; i < l; i++ ) {
			length = ret.length;
			jquery.find( selector, this[i], ret );

			if ( i > 0 ) {
				// 确保结果的唯一性
				for ( var n = length; n < ret.length; n++ ) {
					for ( var r = 0; r < length; r++ ) {
						if ( ret[r] === ret[n] ) {
							ret.splice(n--, 1);
							break;
						}
					}
				}
			}
		}

		return ret;
	},

	has: function( target ) {
		///	<summary>
		///		将匹配元素集精简为具有子代匹配选择器或
		///		dom 元素的那些元素。
		///	</summary>
		///	<param name="target" type="string">
		///		一个包含要与其匹配元素的选择器表达式的字符串。
		///	</param>
		///	<returns type="jquery" />

		var targets = jquery( target );
		return this.filter(function() {
			for ( var i = 0, l = targets.length; i < l; i++ ) {
				if ( jquery.contains( this, targets[i] ) ) {
					return true;
				}
			}
		});
	},

	not: function( selector ) {
		///	<summary>
		///		从匹配元素集中移除元素数组内部的
		///		任何元素。此方法用于从 jquery 对象中
		///		移除一个或多个元素。
		///		dom/遍历部分
		///	</summary>
		///	<param name="selector" type="jquery">
		///		要从匹配元素的 jquery 集中移除的一组元素。
		///	</param>
		///	<returns type="jquery" />

		return this.pushstack( winnow(this, selector, false), "not", selector);
	},

	filter: function( selector ) {
		///	<summary>
		///		从未通过指定筛选器的匹配元素集中
		///		移除所有元素。此方法用于缩小搜索的
		///		结果。
		///		})
		///		dom/遍历部分
		///	</summary>
		///	<returns type="jquery" />
		///	<param name="selector" type="function">
		///		要用于进行筛选的函数
		///	</param>
		///	<returns type="jquery" />

		return this.pushstack( winnow(this, selector, true), "filter", selector );
	},
	
	is: function( selector ) {
		///	<summary>
		///		针对表达式检查当前选择，如果至少有一个选择的
		///		元素符合给定的表达式，则返回 true。
		///		如果没有元素符合表达式或表达式无效，则返回 false。
		///		filter(string) 在内部使用，因此在别处应用的所有规则
		///		在此处同样适用。
		///		dom/遍历部分
		///	</summary>
		///	<returns type="boolean" />
		///	<param name="expr" type="string">
		///		 要用于进行筛选的表达式
		///	</param>

		return !!selector && jquery.filter( selector, this ).length > 0;
	},

	closest: function( selectors, context ) {
		///	<summary>
		///		获取一组包含匹配指定筛选器的最接近的父元素的元素(包括起始元素)。
		///	</summary>
		///	<param name="selectors" type="string">
		///		一个包含要与其匹配元素的选择器表达式的字符串。
		///	</param>
		///	<param name="context" type="element">
		///		可能会在其中找到匹配元素的 dom 元素。如果未传入上下文，
		///		则将改为使用 jquery 集的上下文。
		///	</param>
		///	<returns type="jquery" />

		if ( jquery.isarray( selectors ) ) {
			var ret = [], cur = this[0], match, matches = {}, selector;

			if ( cur && selectors.length ) {
				for ( var i = 0, l = selectors.length; i < l; i++ ) {
					selector = selectors[i];

					if ( !matches[selector] ) {
						matches[selector] = jquery.expr.match.pos.test( selector ) ? 
							jquery( selector, context || this.context ) :
							selector;
					}
				}

				while ( cur && cur.ownerdocument && cur !== context ) {
					for ( selector in matches ) {
						match = matches[selector];

						if ( match.jquery ? match.index(cur) > -1 : jquery(cur).is(match) ) {
							ret.push({ selector: selector, elem: cur });
							delete matches[selector];
						}
					}
					cur = cur.parentnode;
				}
			}

			return ret;
		}

		var pos = jquery.expr.match.pos.test( selectors ) ? 
			jquery( selectors, context || this.context ) : null;

		return this.map(function( i, cur ) {
			while ( cur && cur.ownerdocument && cur !== context ) {
				if ( pos ? pos.index(cur) > -1 : jquery(cur).is(selectors) ) {
					return cur;
				}
				cur = cur.parentnode;
			}
			return null;
		});
	},
	
	// determine the position of an element within
	// the matched set of elements
	index: function( elem ) {
		///	<summary>
		///		在每个匹配的元素中搜索该对象，如果找到，则返回
		///		相应元素的索引(从零开始)。
		///		如果未找到该对象，则返回 -1。
		///		核心部分
		///	</summary>
		///	<returns type="number" />
		///	<param name="elem" type="element">
		///		要搜索的对象
		///	</param>

		if ( !elem || typeof elem === "string" ) {
			return jquery.inarray( this[0],
				// if it receives a string, the selector is used
				// if it receives nothing, the siblings are used
				elem ? jquery( elem ) : this.parent().children() );
		}
		// locate the position of the desired element
		return jquery.inarray(
			// if it receives a jquery object, the first element is used
			elem.jquery ? elem[0] : elem, this );
	},

	add: function( selector, context ) {
		///	<summary>
		///		向匹配元素的集合中添加一个或多个元素。
		///		dom/遍历部分
		///	</summary>
		///	<param name="selector" type="string">
		///		一个包含要与其匹配其他元素的选择器表达式的字符串。
		///	</param>
		///	<param name="context" type="element">
		///		添加一些以指定上下文为根的元素。
		///	</param>
		///	<returns type="jquery" />

		var set = typeof selector === "string" ?
				jquery( selector, context || this.context ) :
				jquery.makearray( selector ),
			all = jquery.merge( this.get(), set );

		return this.pushstack( isdisconnected( set[0] ) || isdisconnected( all[0] ) ?
			all :
			jquery.unique( all ) );
	},

	andself: function() {
		///	<summary>
		///		将以前的选择添加到当前选择。
		///	</summary>
		///	<returns type="jquery" />

		return this.add( this.prevobject );
	}
});

// a painfully simple check to see if an element is disconnected
// from a document (should be improved, where feasible).
function isdisconnected( node ) {
	return !node || !node.parentnode || node.parentnode.nodetype === 11;
}

jquery.each({
	parent: function( elem ) {
		var parent = elem.parentnode;
		return parent && parent.nodetype !== 11 ? parent : null;
	},
	parents: function( elem ) {
		return jquery.dir( elem, "parentnode" );
	},
	next: function( elem ) {
		return jquery.nth( elem, 2, "nextsibling" );
	},
	prev: function( elem ) {
		return jquery.nth( elem, 2, "previoussibling" );
	},
	nextall: function( elem ) {
		return jquery.dir( elem, "nextsibling" );
	},
	prevall: function( elem ) {
		return jquery.dir( elem, "previoussibling" );
	},
	siblings: function( elem ) {
		return jquery.sibling( elem.parentnode.firstchild, elem );
	},
	children: function( elem ) {
		return jquery.sibling( elem.firstchild );
	},
	contents: function( elem ) {
		return jquery.nodename( elem, "iframe" ) ?
			elem.contentdocument || elem.contentwindow.document :
			jquery.makearray( elem.childnodes );
	}
}, function( name, fn ) {
	jquery.fn[ name ] = function( until, selector ) {
		var ret = jquery.map( this, fn, until );
		
		if ( !runtil.test( name ) ) {
			selector = until;
		}

		if ( selector && typeof selector === "string" ) {
			ret = jquery.filter( selector, ret );
		}

		ret = this.length > 1 ? jquery.unique( ret ) : ret;

		if ( (this.length > 1 || rmultiselector.test( selector )) && rparentsprev.test( name ) ) {
			ret = ret.reverse();
		}

		return this.pushstack( ret, name, slice.call(arguments).join(",") );
	};
});

jquery.fn[ "parentsuntil" ] = function( until, selector ) {
	///	<summary>
	///		获取当前匹配元素集中每个元素的上级，直到但不包括
	///		由选择器匹配的元素。
	///	</summary>
	///	<param name="until" type="string">
	///		一个字符串，它包含用于指示在何处停止匹配上级元素的
	///		选择器表达式。
	///	</param>
	///	<returns type="jquery" />

	var fn = function( elem, i, until ) {
		return jquery.dir( elem, "parentnode", until );
	}

	var ret = jquery.map( this, fn, until );
	
	if ( !runtil.test( "parentsuntil" ) ) {
		selector = until;
	}

	if ( selector && typeof selector === "string" ) {
		ret = jquery.filter( selector, ret );
	}

	ret = this.length > 1 ? jquery.unique( ret ) : ret;

	if ( (this.length > 1 || rmultiselector.test( selector )) && rparentsprev.test( "parentsuntil" ) ) {
		ret = ret.reverse();
	}

	return this.pushstack( ret, "parentsuntil", slice.call(arguments).join(",") );
};

jquery.fn[ "nextuntil" ] = function( until, selector ) {
	///	<summary>
	///		获取每个元素的所有后续同级元素，直到但不包括由选择器匹配的
	///		元素。
	///	</summary>
	///	<param name="until" type="string">
	///		一个字符串，它包含用于指示在何处停止匹配后续同级元素的
	///		选择器表达式。
	///	</param>
	///	<returns type="jquery" />

	var fn = function( elem, i, until ) {
		return jquery.dir( elem, "nextsibling", until );
	}

	var ret = jquery.map( this, fn, until );
	
	if ( !runtil.test( "nextuntil" ) ) {
		selector = until;
	}

	if ( selector && typeof selector === "string" ) {
		ret = jquery.filter( selector, ret );
	}

	ret = this.length > 1 ? jquery.unique( ret ) : ret;

	if ( (this.length > 1 || rmultiselector.test( selector )) && rparentsprev.test( "nextuntil" ) ) {
		ret = ret.reverse();
	}

	return this.pushstack( ret, "nextuntil", slice.call(arguments).join(",") );
};

jquery.fn[ "prevuntil" ] = function( until, selector ) {
	///	<summary>
	///		获取每个元素的所有前面的同级元素，直到但不包括由选择器匹配的
	///		元素。
	///	</summary>
	///	<param name="until" type="string">
	///		一个字符串，它包含用于指示在何处停止匹配前面的同级元素的
	///		选择器表达式。
	///	</param>
	///	<returns type="jquery" />

	var fn = function( elem, i, until ) {
		return jquery.dir( elem, "previoussibling", until );
	}

	var ret = jquery.map( this, fn, until );
	
	if ( !runtil.test( "prevuntil" ) ) {
		selector = until;
	}

	if ( selector && typeof selector === "string" ) {
		ret = jquery.filter( selector, ret );
	}

	ret = this.length > 1 ? jquery.unique( ret ) : ret;

	if ( (this.length > 1 || rmultiselector.test( selector )) && rparentsprev.test( "prevuntil" ) ) {
		ret = ret.reverse();
	}

	return this.pushstack( ret, "prevuntil", slice.call(arguments).join(",") );
};

jquery.extend({
	filter: function( expr, elems, not ) {
		if ( not ) {
			expr = ":not(" + expr + ")";
		}

		return jquery.find.matches(expr, elems);
	},
	
	dir: function( elem, dir, until ) {
		///	<summary>
		///		此成员仅供内部使用。
		///	</summary>
		///	<private />

		var matched = [], cur = elem[dir];
		while ( cur && cur.nodetype !== 9 && (until === undefined || cur.nodetype !== 1 || !jquery( cur ).is( until )) ) {
			if ( cur.nodetype === 1 ) {
				matched.push( cur );
			}
			cur = cur[dir];
		}
		return matched;
	},

	nth: function( cur, result, dir, elem ) {
		///	<summary>
		///		此成员仅供内部使用。
		///	</summary>
		///	<private />

		result = result || 1;
		var num = 0;

		for ( ; cur; cur = cur[dir] ) {
			if ( cur.nodetype === 1 && ++num === result ) {
				break;
			}
		}

		return cur;
	},

	sibling: function( n, elem ) {
		///	<summary>
		///		此成员仅供内部使用。
		///	</summary>
		///	<private />

		var r = [];

		for ( ; n; n = n.nextsibling ) {
			if ( n.nodetype === 1 && n !== elem ) {
				r.push( n );
			}
		}

		return r;
	}
});
var rinlinejquery = / jquery\d+="(?:\d+|null)"/g,
	rleadingwhitespace = /^\s+/,
	rxhtmltag = /(<([\w:]+)[^>]*?)\/>/g,
	rselfclosing = /^(?:area|br|col|embed|hr|img|input|link|meta|param)$/i,
	rtagname = /<([\w:]+)/,
	rtbody = /<tbody/i,
	rhtml = /<|&\w+;/,
	rchecked = /checked\s*(?:[^=]|=\s*.checked.)/i,  // checked="checked" or checked (html5)
	fclosetag = function( all, front, tag ) {
		return rselfclosing.test( tag ) ?
			all :
			front + "></" + tag + ">";
	},
	wrapmap = {
		option: [ 1, "<select multiple='multiple'>", "</select>" ],
		legend: [ 1, "<fieldset>", "</fieldset>" ],
		thead: [ 1, "<table>", "</table>" ],
		tr: [ 2, "<table><tbody>", "</tbody></table>" ],
		td: [ 3, "<table><tbody><tr>", "</tr></tbody></table>" ],
		col: [ 2, "<table><tbody></tbody><colgroup>", "</colgroup></table>" ],
		area: [ 1, "<map>", "</map>" ],
		_default: [ 0, "", "" ]
	};

wrapmap.optgroup = wrapmap.option;
wrapmap.tbody = wrapmap.tfoot = wrapmap.colgroup = wrapmap.caption = wrapmap.thead;
wrapmap.th = wrapmap.td;

// ie can't serialize <link> and <script> tags normally
if ( !jquery.support.htmlserialize ) {
	wrapmap._default = [ 1, "div<div>", "</div>" ];
}

jquery.fn.extend({
	text: function( text ) {
		///	<summary>
		///		设置所有匹配元素的文本内容。
		///		similar to html(), but escapes html (replace &quot;&lt;&quot; and &quot;&gt;&quot; with their
		///		html 实体)。
		///		dom/特性部分
		///	</summary>
		///	<returns type="jquery" />
		///	<param name="text" type="string">
		///		要将元素的内容设置为的文本值。
		///	</param>

		if ( jquery.isfunction(text) ) {
			return this.each(function(i) {
				var self = jquery(this);
				self.text( text.call(this, i, self.text()) );
			});
		}

		if ( typeof text !== "object" && text !== undefined ) {
			return this.empty().append( (this[0] && this[0].ownerdocument || document).createtextnode( text ) );
		}

		return jquery.gettext( this );
	},

	wrapall: function( html ) {
		///	<summary>
		///		用其他元素的结构包装所有匹配的元素。
		///		此包装过程尤其适用于将附加结构
		///		注入到文档中，而且不会破坏文档的原始语义
		///		质量。
		///		此方法的实现方式为: 检查提供的第一个元素，
		///		并在其结构中查找最深的上级
		///		元素，即，将包装其他所有内容的元素。
		///		这不会处理包含文本的元素。完成包装之后，
		///		必须添加任何所需的文本。
		///		dom/操作部分
		///	</summary>
		///	<returns type="jquery" />
		///	<param name="html" type="element">
		///		将围绕目标包装的 dom 元素。
		///	</param>

		if ( jquery.isfunction( html ) ) {
			return this.each(function(i) {
				jquery(this).wrapall( html.call(this, i) );
			});
		}

		if ( this[0] ) {
			// 要围绕其包装目标的元素
			var wrap = jquery( html, this[0].ownerdocument ).eq(0).clone(true);

			if ( this[0].parentnode ) {
				wrap.insertbefore( this[0] );
			}

			wrap.map(function() {
				var elem = this;

				while ( elem.firstchild && elem.firstchild.nodetype === 1 ) {
					elem = elem.firstchild;
				}

				return elem;
			}).append(this);
		}

		return this;
	},

	wrapinner: function( html ) {
		///	<summary>
		///		用 html 结构包装每个匹配元素的内部子内容(包括文本节点)。
		///	</summary>
		///	<param name="html" type="string">
		///		将围绕目标内容包装的 html 字符串或 dom 元素。
		///	</param>
		///	<returns type="jquery" />

		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 ) {
		///	<summary>
		///		用其他元素的结构包装所有匹配的元素。
		///		此包装过程尤其适用于将附加结构
		///		注入到文档中，而且不会破坏文档的原始语义
		///		质量。
		///		此方法的实现方式为: 检查提供的第一个元素，
		///		并在其结构中查找最深的上级
		///		元素，即，将包装其他所有内容的元素。
		///		这不会处理包含文本的元素。完成包装之后，
		///		必须添加任何所需的文本。
		///		dom/操作部分
		///	</summary>
		///	<returns type="jquery" />
		///	<param name="html" type="element">
		///		将围绕目标包装的 dom 元素。
		///	</param>

		return this.each(function() {
			jquery( this ).wrapall( html );
		});
	},

	unwrap: function() {
		///	<summary>
		///		从 dom 中移除匹配元素集的父级，并将匹配元素保留在
		///		各自的位置。
		///	</summary>
		///	<returns type="jquery" />
		return this.parent().each(function() {
			if ( !jquery.nodename( this, "body" ) ) {
				jquery( this ).replacewith( this.childnodes );
			}
		}).end();
	},

	append: function() {
		///	<summary>
		///		将内容追加到每个匹配元素的内部。
		///		此操作类似于对所有指定的元素执行 appendchild，
		///		并将这些元素添加到文档中。
		///		dom/操作部分
		///	</summary>
		///	<returns type="jquery" />

		return this.dommanip(arguments, true, function( elem ) {
			if ( this.nodetype === 1 ) {
				this.appendchild( elem );
			}
		});
	},

	prepend: function() {
		///	<summary>
		///		将内容追加到每个匹配元素内部的前面。
		///		此操作是向所有匹配元素内部的开始处
		///		插入元素的最佳方式。
		///		dom/操作部分
		///	</summary>
		///	<returns type="jquery" />

		return this.dommanip(arguments, true, function( elem ) {
			if ( this.nodetype === 1 ) {
				this.insertbefore( elem, this.firstchild );
			}
		});
	},

	before: function() {
		///	<summary>
		///		在每个匹配元素之前插入内容。
		///		dom/操作部分
		///	</summary>
		///	<returns type="jquery" />

		if ( this[0] && this[0].parentnode ) {
			return this.dommanip(arguments, false, function( elem ) {
				this.parentnode.insertbefore( elem, this );
			});
		} else if ( arguments.length ) {
			var set = jquery(arguments[0]);
			set.push.apply( set, this.toarray() );
			return this.pushstack( set, "before", arguments );
		}
	},

	after: function() {
		///	<summary>
		///		在每个匹配元素之后插入内容。
		///		dom/操作部分
		///	</summary>
		///	<returns type="jquery" />

		if ( this[0] && this[0].parentnode ) {
			return this.dommanip(arguments, false, function( elem ) {
				this.parentnode.insertbefore( elem, this.nextsibling );
			});
		} else if ( arguments.length ) {
			var set = this.pushstack( this, "after", arguments );
			set.push.apply( set, jquery(arguments[0]).toarray() );
			return set;
		}
	},

	clone: function( events ) {
		///	<summary>
		///		克隆匹配的 dom 元素并选择克隆项。
		///		这对于将元素副本移到
		///		dom 中的其他位置的情况很有用。
		///		dom/操作部分
		///	</summary>
		///	<returns type="jquery" />
		///	<param name="deep" type="boolean" optional="true">
		///		(可选)如果不希望克隆元素本身及所有的子代节点，则设置为 false。
		///	</param>

		// do the clone
		var ret = this.map(function() {
			if ( !jquery.support.nocloneevent && !jquery.isxmldoc(this) ) {
				// ie copies events bound via attachevent when
				// using clonenode. calling detachevent on the
				// clone will also remove the events from the orignal
				// in order to get around this, we use innerhtml.
				// unfortunately, this means some modifications to
				// attributes in ie that are actually only stored
				// as properties will not be copied (such as the
				// the name attribute on an input).
				var html = this.outerhtml, ownerdocument = this.ownerdocument;
				if ( !html ) {
					var div = ownerdocument.createelement("div");
					div.appendchild( this.clonenode(true) );
					html = div.innerhtml;
				}

				return jquery.clean([html.replace(rinlinejquery, "")
					.replace(rleadingwhitespace, "")], ownerdocument)[0];
			} else {
				return this.clonenode(true);
			}
		});

		// copy the events from the original to the clone
		if ( events === true ) {
			clonecopyevent( this, ret );
			clonecopyevent( this.find("*"), ret.find("*") );
		}

		// return the cloned set
		return ret;
	},

	html: function( value ) {
		///	<summary>
		///		设置每个匹配元素的 html 内容。
		///		此属性不可用于 xml 文档。
		///		dom/特性部分
		///	</summary>
		///	<returns type="jquery" />
		///	<param name="value" type="string">
		///		要设置为每个匹配元素的内容的 html 字符串。
		///	</param>

		if ( value === undefined ) {
			return this[0] && this[0].nodetype === 1 ?
				this[0].innerhtml.replace(rinlinejquery, "") :
				null;

		// see if we can take a shortcut and just use innerhtml
		} else if ( typeof value === "string" && !/<script/i.test( value ) &&
			(jquery.support.leadingwhitespace || !rleadingwhitespace.test( value )) &&
			!wrapmap[ (rtagname.exec( value ) || ["", ""])[1].tolowercase() ] ) {

			value = value.replace(rxhtmltag, fclosetag);

			try {
				for ( var i = 0, l = this.length; i < l; i++ ) {
					// remove element nodes and prevent memory leaks
					if ( this[i].nodetype === 1 ) {
						jquery.cleandata( this[i].getelementsbytagname("*") );
						this[i].innerhtml = value;
					}
				}

			// if using innerhtml throws an exception, use the fallback method
			} catch(e) {
				this.empty().append( value );
			}

		} else if ( jquery.isfunction( value ) ) {
			this.each(function(i){
				var self = jquery(this), old = self.html();
				self.empty().append(function(){
					return value.call( this, i, old );
				});
			});

		} else {
			this.empty().append( value );
		}

		return this;
	},

	replacewith: function( value ) {
		///	<summary>
		///		用指定的 html 或 dom 元素替换所有匹配的元素。
		///	</summary>
		///	<param name="value" type="object">
		///		要插入的内容。可能是 html 字符串、dom 元素或 jquery 对象。
		///	</param>
		///	<returns type="jquery">刚好已被替换的元素。</returns>

		if ( this[0] && this[0].parentnode ) {
			// make sure that the elements are removed from the dom before they are inserted
			// this can help fix replacing a parent with child elements
			if ( !jquery.isfunction( value ) ) {
				value = jquery( value ).detach();

			} else {
				return this.each(function(i) {
					var self = jquery(this), old = self.html();
					self.replacewith( value.call( this, i, old ) );
				});
			}

			return this.each(function() {
				var next = this.nextsibling, parent = this.parentnode;

				jquery(this).remove();

				if ( next ) {
					jquery(next).before( value );
				} else {
					jquery(parent).append( value );
				}
			});
		} else {
			return this.pushstack( jquery(jquery.isfunction(value) ? value() : value), "replacewith", value );
		}
	},

	detach: function( selector ) {
		///	<summary>
		///		从 dom 中移除匹配元素集。
		///	</summary>
		///	<param name="selector" type="string">
		///		用于筛选出要移除的匹配元素集的选择器表达式。
		///	</param>
		///	<returns type="jquery" />

		return this.remove( selector, true );
	},

	dommanip: function( args, table, callback ) {
		///	<param name="args" type="array">
		///		 args
		///	</param>
		///	<param name="table" type="boolean">
		///		 如果未在 table 中找到 tbody，请插入一个。
		///	</param>
		///	<param name="dir" type="number">
		///		 如果 dir&lt;0，则按相反顺序处理 args。
		///	</param>
		///	<param name="fn" type="function">
		///		 执行 dom 操作的函数。
		///	</param>
		///	<returns type="jquery" />
		///	<summary>
		///		核心部分
		///	</summary>

		var results, first, value = args[0], scripts = [];

		// we can't clonenode fragments that contain checked, in webkit
		if ( !jquery.support.checkclone && arguments.length === 3 && typeof value === "string" && rchecked.test( value ) ) {
			return this.each(function() {
				jquery(this).dommanip( args, table, callback, true );
			});
		}

		if ( jquery.isfunction(value) ) {
			return this.each(function(i) {
				var self = jquery(this);
				args[0] = value.call(this, i, table ? self.html() : undefined);
				self.dommanip( args, table, callback );
			});
		}

		if ( this[0] ) {
			// if we're in a fragment, just use that instead of building a new one
			if ( args[0] && args[0].parentnode && args[0].parentnode.nodetype === 11 ) {
				results = { fragment: args[0].parentnode };
			} else {
				results = buildfragment( args, this, scripts );
			}

			first = results.fragment.firstchild;

			if ( first ) {
				table = table && jquery.nodename( first, "tr" );

				for ( var i = 0, l = this.length; i < l; i++ ) {
					callback.call(
						table ?
							root(this[i], first) :
							this[i],
						results.cacheable || this.length > 1 || i > 0 ?
							results.fragment.clonenode(true) :
							results.fragment
					);
				}
			}

			if ( scripts ) {
				jquery.each( scripts, evalscript );
			}
		}

		return this;

		function root( elem, cur ) {
			return jquery.nodename(elem, "table") ?
				(elem.getelementsbytagname("tbody")[0] ||
				elem.appendchild(elem.ownerdocument.createelement("tbody"))) :
				elem;
		}
	}
});

function clonecopyevent(orig, ret) {
	var i = 0;

	ret.each(function() {
		if ( this.nodename !== (orig[i] && orig[i].nodename) ) {
			return;
		}

		var olddata = jquery.data( orig[i++] ), curdata = jquery.data( this, olddata ), events = olddata && olddata.events;

		if ( events ) {
			delete curdata.handle;
			curdata.events = {};

			for ( var type in events ) {
				for ( var handler in events[ type ] ) {
					jquery.event.add( this, type, events[ type ][ handler ], events[ type ][ handler ].data );
				}
			}
		}
	});
}

function buildfragment( args, nodes, scripts ) {
	var fragment, cacheable, cacheresults, doc;

	// webkit does not clone 'checked' attribute of radio inputs on clonenode, so don't cache if string has a checked
	if ( args.length === 1 && typeof args[0] === "string" && args[0].length < 512 && args[0].indexof("<option") < 0 && (jquery.support.checkclone || !rchecked.test( args[0] )) ) {
		cacheable = true;
		cacheresults = jquery.fragments[ args[0] ];
		if ( cacheresults ) {
			if ( cacheresults !== 1 ) {
				fragment = cacheresults;
			}
		}
	}

	if ( !fragment ) {
		doc = (nodes && nodes[0] ? nodes[0].ownerdocument || nodes[0] : document);
		fragment = doc.createdocumentfragment();
		jquery.clean( args, doc, fragment, scripts );
	}

	if ( cacheable ) {
		jquery.fragments[ args[0] ] = cacheresults ? fragment : 1;
	}

	return { fragment: fragment, cacheable: cacheable };
}

jquery.fragments = {};

//	jquery.each({
//		appendto: "append",
//		prependto: "prepend",
//		insertbefore: "before",
//		insertafter: "after",
//		replaceall: "replacewith"
//	}, function( name, original ) {
//		jquery.fn[ name ] = function( selector ) {
//			var ret = [], insert = jquery( selector );

//			for ( var i = 0, l = insert.length; i < l; i++ ) {
//				var elems = (i > 0 ? this.clone(true) : this).get();
//				jquery.fn[ original ].apply( jquery(insert[i]), elems );
//				ret = ret.concat( elems );
//			}
//			return this.pushstack( ret, name, insert.selector );
//		};
//	});

jquery.fn[ "appendto" ] = function( selector ) {
	///	<summary>
	///		将所有匹配元素追加到另一个指定的元素集。
	///		从 jquery 1.3.2 开始，将返回所有插入的元素。
	///		此操作实质上是执行常规 $(a).append(b)
	///		的反向操作，即，不是将 b 追加到 a，而是将
	///		a 追加到 b。
	///	</summary>
	///	<param name="selector" type="selector">
	///		 要将内容追加到的目标。
	///	</param>
	///	<returns type="jquery" />

	var ret = [], insert = jquery( selector );

	for ( var i = 0, l = insert.length; i < l; i++ ) {
		var elems = (i > 0 ? this.clone(true) : this).get();
		jquery.fn[ "append" ].apply( jquery(insert[i]), elems );
		ret = ret.concat( elems );
	}
	return this.pushstack( ret, "appendto", insert.selector );
};

jquery.fn[ "prependto" ] = function( selector ) {
	///	<summary>
	///		将所有匹配的元素追加到另一个指定元素集的前面。
	///		从 jquery 1.3.2 开始，将返回所有插入的元素。
	///		此操作实质上是执行常规 $(a).prepend(b)
	///		的反向操作，即，不是将 b 追加到 a 前面，而是将
	///		a 追加到 b 前面。
	///	</summary>
	///	<param name="selector" type="selector">
	///		 要将内容追加到的目标。
	///	</param>
	///	<returns type="jquery" />

	var ret = [], insert = jquery( selector );

	for ( var i = 0, l = insert.length; i < l; i++ ) {
		var elems = (i > 0 ? this.clone(true) : this).get();
		jquery.fn[ "prepend" ].apply( jquery(insert[i]), elems );
		ret = ret.concat( elems );
	}
	return this.pushstack( ret, "prependto", insert.selector );
};

jquery.fn[ "insertbefore" ] = function( selector ) {
	///	<summary>
	///		将所有匹配的元素插入到另一个指定元素集的前面。
	///		从 jquery 1.3.2 开始，将返回所有插入的元素。
	///		此操作实质上是执行常规 $(a).before(b)
	///		的反向操作，即，不是将 b 插入到 a 前面，而是将
	///		a 插入到 b 前面。
	///	</summary>
	///	<param name="content" type="string">
	///		 在其后插入所选元素的内容。
	///	</param>
	///	<returns type="jquery" />

	var ret = [], insert = jquery( selector );

	for ( var i = 0, l = insert.length; i < l; i++ ) {
		var elems = (i > 0 ? this.clone(true) : this).get();
		jquery.fn[ "before" ].apply( jquery(insert[i]), elems );
		ret = ret.concat( elems );
	}
	return this.pushstack( ret, "insertbefore", insert.selector );
};

jquery.fn[ "insertafter" ] = function( selector ) {
	///	<summary>
	///		将所有匹配的元素插入到另一个指定元素集的后面。
	///		从 jquery 1.3.2 开始，将返回所有插入的元素。
	///		此操作实质上是执行常规 $(a).after(b)
	///		的反向操作，即，不是将 b 插入到 a 后面，而是将
	///		a 插入到 b 后面。
	///	</summary>
	///	<param name="content" type="string">
	///		 在其后插入所选元素的内容。
	///	</param>
	///	<returns type="jquery" />

	var ret = [], insert = jquery( selector );

	for ( var i = 0, l = insert.length; i < l; i++ ) {
		var elems = (i > 0 ? this.clone(true) : this).get();
		jquery.fn[ "after" ].apply( jquery(insert[i]), elems );
		ret = ret.concat( elems );
	}
	return this.pushstack( ret, "insertafter", insert.selector );
};

jquery.fn[ "replaceall" ] = function( selector ) {
	///	<summary>
	///		用匹配的元素替换由指定选择器匹配的元素。
	///		从 jquery 1.3.2 开始，将返回所有插入的元素。
	///	</summary>
	///	<param name="selector" type="selector">要查找并用于替换匹配元素的元素。</param>
	///	<returns type="jquery" />

	var ret = [], insert = jquery( selector );

	for ( var i = 0, l = insert.length; i < l; i++ ) {
		var elems = (i > 0 ? this.clone(true) : this).get();
		jquery.fn[ "replacewith" ].apply( jquery(insert[i]), elems );
		ret = ret.concat( elems );
	}
	return this.pushstack( ret, "replaceall", insert.selector );
};

jquery.each({
	// keepdata is for internal use only--do not document
	remove: function( selector, keepdata ) {
		if ( !selector || jquery.filter( selector, [ this ] ).length ) {
			if ( !keepdata && this.nodetype === 1 ) {
				jquery.cleandata( this.getelementsbytagname("*") );
				jquery.cleandata( [ this ] );
			}

			if ( this.parentnode ) {
				 this.parentnode.removechild( this );
			}
		}
	},

	empty: function() {
		///	<summary>
		///		从匹配元素集中移除所有子节点。
		///		dom/操作部分
		///	</summary>
		///	<returns type="jquery" />

		// remove element nodes and prevent memory leaks
		if ( this.nodetype === 1 ) {
			jquery.cleandata( this.getelementsbytagname("*") );
		}

		// remove any remaining nodes
		while ( this.firstchild ) {
			this.removechild( this.firstchild );
		}
	}
}, function( name, fn ) {
	jquery.fn[ name ] = function() {
		return this.each( fn, arguments );
	};
});

jquery.extend({
	clean: function( elems, context, fragment, scripts ) {
		///	<summary>
		///		此方法仅供内部使用。
		///	</summary>
		///	<private />

		context = context || document;

		// !context.createelement fails in ie with an error but returns typeof 'object'
		if ( typeof context.createelement === "undefined" ) {
			context = context.ownerdocument || context[0] && context[0].ownerdocument || document;
		}

		var ret = [];

		jquery.each(elems, function( i, elem ) {
			if ( typeof elem === "number" ) {
				elem += "";
			}

			if ( !elem ) {
				return;
			}

			// convert html string into dom nodes
			if ( typeof elem === "string" && !rhtml.test( elem ) ) {
				elem = context.createtextnode( elem );

			} else if ( typeof elem === "string" ) {
				// fix "xhtml"-style tags in all browsers
				elem = elem.replace(rxhtmltag, fclosetag);

				// trim whitespace, otherwise indexof won't work as expected
				var tag = (rtagname.exec( elem ) || ["", ""])[1].tolowercase(),
					wrap = wrapmap[ tag ] || wrapmap._default,
					depth = wrap[0],
					div = context.createelement("div");

				// go to html and back, then peel off extra wrappers
				div.innerhtml = wrap[1] + elem + wrap[2];

				// move to the right depth
				while ( depth-- ) {
					div = div.lastchild;
				}

				// remove ie's autoinserted <tbody> from table fragments
				if ( !jquery.support.tbody ) {

					// string was a <table>, *may* have spurious <tbody>
					var hasbody = rtbody.test(elem),
						tbody = tag === "table" && !hasbody ?
							div.firstchild && div.firstchild.childnodes :

							// string was a bare <thead> or <tfoot>
							wrap[1] === "<table>" && !hasbody ?
								div.childnodes :
								[];

					for ( var j = tbody.length - 1; j >= 0 ; --j ) {
						if ( jquery.nodename( tbody[ j ], "tbody" ) && !tbody[ j ].childnodes.length ) {
							tbody[ j ].parentnode.removechild( tbody[ j ] );
						}
					}

				}

				// ie completely kills leading whitespace when innerhtml is used
				if ( !jquery.support.leadingwhitespace && rleadingwhitespace.test( elem ) ) {
					div.insertbefore( context.createtextnode( rleadingwhitespace.exec(elem)[0] ), div.firstchild );
				}

				elem = jquery.makearray( div.childnodes );
			}

			if ( elem.nodetype ) {
				ret.push( elem );
			} else {
				ret = jquery.merge( ret, elem );
			}

		});

		if ( fragment ) {
			for ( var i = 0; ret[i]; i++ ) {
				if ( scripts && jquery.nodename( ret[i], "script" ) && (!ret[i].type || ret[i].type.tolowercase() === "text/javascript") ) {
					scripts.push( ret[i].parentnode ? ret[i].parentnode.removechild( ret[i] ) : ret[i] );
				} else {
					if ( ret[i].nodetype === 1 ) {
						ret.splice.apply( ret, [i + 1, 0].concat(jquery.makearray(ret[i].getelementsbytagname("script"))) );
					}
					fragment.appendchild( ret[i] );
				}
			}
		}

		return ret;
	},
	
	cleandata: function( elems ) {
		for ( var i = 0, elem, id; (elem = elems[i]) != null; i++ ) {
			jquery.event.remove( elem );
			jquery.removedata( elem );
		}
	}
});
// exclude the following css properties to add px
var rexclude = /z-?index|font-?weight|opacity|zoom|line-?height/i,
	ralpha = /alpha\([^)]*\)/,
	ropacity = /opacity=([^)]*)/,
	rfloat = /float/i,
	rdashalpha = /-([a-z])/ig,
	rupper = /([a-z])/g,
	rnumpx = /^-?\d+(?:px)?$/i,
	rnum = /^-?\d/,

	cssshow = { position: "absolute", visibility: "hidden", display:"block" },
	csswidth = [ "left", "right" ],
	cssheight = [ "top", "bottom" ],

	// cache check for defaultview.getcomputedstyle
	getcomputedstyle = document.defaultview && document.defaultview.getcomputedstyle,
	// normalize float css property
	stylefloat = jquery.support.cssfloat ? "cssfloat" : "stylefloat",
	fcamelcase = function( all, letter ) {
		return letter.touppercase();
	};

jquery.fn.css = function( name, value ) {
	///	<summary>
	///		将所有匹配元素的单个样式属性设置为一个值。
	///		如果提供一个数字，则该数字将自动转换为像素值。
	///		css 部分
	///	</summary>
	///	<returns type="jquery" />
	///	<param name="name" type="string">
	///		一个 css 属性名称。
	///	</param>
	///	<param name="value" type="string">
	///		要为该属性设置的值。
	///	</param>

	return access( this, name, value, true, function( elem, name, value ) {
		if ( value === undefined ) {
			return jquery.curcss( elem, name );
		}
		
		if ( typeof value === "number" && !rexclude.test(name) ) {
			value += "px";
		}

		jquery.style( elem, name, value );
	});
};

jquery.extend({
	style: function( elem, name, value ) {
		// don't set styles on text and comment nodes
		if ( !elem || elem.nodetype === 3 || elem.nodetype === 8 ) {
			return undefined;
		}

		// ignore negative width and height values #1599
		if ( (name === "width" || name === "height") && parsefloat(value) < 0 ) {
			value = undefined;
		}

		var style = elem.style || elem, set = value !== undefined;

		// ie uses filters for opacity
		if ( !jquery.support.opacity && name === "opacity" ) {
			if ( set ) {
				// ie has trouble with opacity if it does not have layout
				// force it by setting the zoom level
				style.zoom = 1;

				// set the alpha filter to set the opacity
				var opacity = parseint( value, 10 ) + "" === "nan" ? "" : "alpha(opacity=" + value * 100 + ")";
				var filter = style.filter || jquery.curcss( elem, "filter" ) || "";
				style.filter = ralpha.test(filter) ? filter.replace(ralpha, opacity) : opacity;
			}

			return style.filter && style.filter.indexof("opacity=") >= 0 ?
				(parsefloat( ropacity.exec(style.filter)[1] ) / 100) + "":
				"";
		}

		// make sure we're using the right name for getting the float value
		if ( rfloat.test( name ) ) {
			name = stylefloat;
		}

		name = name.replace(rdashalpha, fcamelcase);

		if ( set ) {
			style[ name ] = value;
		}

		return style[ name ];
	},

	css: function( elem, name, force, extra ) {
		///	<summary>
		///		此方法仅供内部使用。
		///	</summary>
		///	<private />

		if ( name === "width" || name === "height" ) {
			var val, props = cssshow, which = name === "width" ? csswidth : cssheight;

			function getwh() {
				val = name === "width" ? elem.offsetwidth : elem.offsetheight;

				if ( extra === "border" ) {
					return;
				}

				jquery.each( which, function() {
					if ( !extra ) {
						val -= parsefloat(jquery.curcss( elem, "padding" + this, true)) || 0;
					}

					if ( extra === "margin" ) {
						val += parsefloat(jquery.curcss( elem, "margin" + this, true)) || 0;
					} else {
						val -= parsefloat(jquery.curcss( elem, "border" + this + "width", true)) || 0;
					}
				});
			}

			if ( elem.offsetwidth !== 0 ) {
				getwh();
			} else {
				jquery.swap( elem, props, getwh );
			}

			return math.max(0, math.round(val));
		}

		return jquery.curcss( elem, name, force );
	},

	curcss: function( elem, name, force ) {
		///	<summary>
		///		此方法仅供内部使用。
		///	</summary>
		///	<private />

		var ret, style = elem.style, filter;

		// ie uses filters for opacity
		if ( !jquery.support.opacity && name === "opacity" && elem.currentstyle ) {
			ret = ropacity.test(elem.currentstyle.filter || "") ?
				(parsefloat(regexp.$1) / 100) + "" :
				"";

			return ret === "" ?
				"1" :
				ret;
		}

		// make sure we're using the right name for getting the float value
		if ( rfloat.test( name ) ) {
			name = stylefloat;
		}

		if ( !force && style && style[ name ] ) {
			ret = style[ name ];

		} else if ( getcomputedstyle ) {

			// only "float" is needed here
			if ( rfloat.test( name ) ) {
				name = "float";
			}

			name = name.replace( rupper, "-$1" ).tolowercase();

			var defaultview = elem.ownerdocument.defaultview;

			if ( !defaultview ) {
				return null;
			}

			var computedstyle = defaultview.getcomputedstyle( elem, null );

			if ( computedstyle ) {
				ret = computedstyle.getpropertyvalue( name );
			}

			// we should always get a number back from opacity
			if ( name === "opacity" && ret === "" ) {
				ret = "1";
			}

		} else if ( elem.currentstyle ) {
			var camelcase = name.replace(rdashalpha, fcamelcase);

			ret = elem.currentstyle[ name ] || elem.currentstyle[ camelcase ];

			// from the awesome hack by dean edwards
			// http://erik.eae.net/archives/2007/07/27/18.54.15/#comment-102291

			// if we're not dealing with a regular pixel number
			// but a number that has a weird ending, we need to convert it to pixels
			if ( !rnumpx.test( ret ) && rnum.test( ret ) ) {
				// remember the original values
				var left = style.left, rsleft = elem.runtimestyle.left;

				// put in the new values to get a computed value out
				elem.runtimestyle.left = elem.currentstyle.left;
				style.left = camelcase === "fontsize" ? "1em" : (ret || 0);
				ret = style.pixelleft + "px";

				// revert the changed values
				style.left = left;
				elem.runtimestyle.left = rsleft;
			}
		}

		return ret;
	},

	// a method for quickly swapping in/out css properties to get correct calculations
	swap: function( elem, options, callback ) {
		///	<summary>
		///		换入/换出样式选项。
		///	</summary>

		var old = {};

		// remember the old values, and insert the new ones
		for ( var name in options ) {
			old[ name ] = elem.style[ name ];
			elem.style[ name ] = options[ name ];
		}

		callback.call( elem );

		// revert the old values
		for ( var name in options ) {
			elem.style[ name ] = old[ name ];
		}
	}
});

if ( jquery.expr && jquery.expr.filters ) {
	jquery.expr.filters.hidden = function( elem ) {
		var width = elem.offsetwidth, height = elem.offsetheight,
			skip = elem.nodename.tolowercase() === "tr";

		return width === 0 && height === 0 && !skip ?
			true :
			width > 0 && height > 0 && !skip ?
				false :
				jquery.curcss(elem, "display") === "none";
	};

	jquery.expr.filters.visible = function( elem ) {
		return !jquery.expr.filters.hidden( elem );
	};
}
var jsc = now(),
	rscript = /<script(.|\s)*?\/script>/gi,
	rselecttextarea = /select|textarea/i,
	rinput = /color|date|datetime|email|hidden|month|number|password|range|search|tel|text|time|url|week/i,
	jsre = /=\?(&|$)/,
	rquery = /\?/,
	rts = /(\?|&)_=.*?(&|$)/,
	rurl = /^(\w+:)?\/\/([^\/?#]+)/,
	r20 = /%20/g;

jquery.fn.extend({
	// keep a copy of the old load
	_load: jquery.fn.load,

	load: function( url, params, callback ) {
		///	<summary>
		///		从远程文件中加载 html 并将其插入到 dom。默认情况下执行 get 请求，但如果包含有参数，
		///		则将执行 post。
		///	</summary>
		///	<param name="url" type="string">要加载的 html 页的 url。</param>
		///	<param name="data" optional="true" type="map">将发送给服务器的键/值对。</param>
		///	<param name="callback" optional="true" type="function">完成 ajax 请求时调用的函数。该函数应映射 function(responsetext, textstatus, xmlhttprequest)，从而映射注入的 dom 元素。</param>
		///	<returns type="jquery" />

		if ( typeof url !== "string" ) {
			return this._load( url );

		// don't do a request if no elements are being requested
		} else if ( !this.length ) {
			return this;
		}

		var off = url.indexof(" ");
		if ( off >= 0 ) {
			var selector = url.slice(off, url.length);
			url = url.slice(0, off);
		}

		// default to a get request
		var type = "get";

		// if the second parameter was provided
		if ( params ) {
			// if it's a function
			if ( jquery.isfunction( params ) ) {
				// we assume that it's the callback
				callback = params;
				params = null;

			// otherwise, build a param string
			} else if ( typeof params === "object" ) {
				params = jquery.param( params, jquery.ajaxsettings.traditional );
				type = "post";
			}
		}

		var self = this;

		// request the remote document
		jquery.ajax({
			url: url,
			type: type,
			datatype: "html",
			data: params,
			complete: function( res, status ) {
				// if successful, inject the html into all the matched elements
				if ( status === "success" || status === "notmodified" ) {
					// see if a selector was specified
					self.html( selector ?
						// create a dummy div to hold the results
						jquery("<div />")
							// inject the contents of the document in, removing the scripts
							// to avoid any 'permission denied' errors in ie
							.append(res.responsetext.replace(rscript, ""))

							// locate the specified elements
							.find(selector) :

						// if not, just inject the full result
						res.responsetext );
				}

				if ( callback ) {
					self.each( callback, [res.responsetext, status, res] );
				}
			}
		});

		return this;
	},

	serialize: function() {
		///	<summary>
		///		将一组输入元素序列化为一个数据字符串。
		///	</summary>
		///	<returns type="string">序列化后的结果</returns>

		return jquery.param(this.serializearray());
	},
	serializearray: function() {
		///	<summary>
		///		序列化所有窗体和窗体元素，但返回一个 json 数据结构。
		///	</summary>
		///	<returns type="string">表示已序列化的项的 json 数据结构。</returns>

		return this.map(function() {
			return this.elements ? jquery.makearray(this.elements) : this;
		})
		.filter(function() {
			return this.name && !this.disabled &&
				(this.checked || rselecttextarea.test(this.nodename) ||
					rinput.test(this.type));
		})
		.map(function( i, elem ) {
			var val = jquery(this).val();

			return val == null ?
				null :
				jquery.isarray(val) ?
					jquery.map( val, function( val, i ) {
						return { name: elem.name, value: val };
					}) :
					{ name: elem.name, value: val };
		}).get();
	}
});

// attach a bunch of functions for handling common ajax events
//	jquery.each( "ajaxstart ajaxstop ajaxcomplete ajaxerror ajaxsuccess ajaxsend".split(" "), function( i, o ) {
//		jquery.fn[o] = function( f ) {
//			return this.bind(o, f);
//		};
//	});

jquery.fn["ajaxstart"] = function( f ) {
	///	<summary>
	///		附加一个每当 ajax 请求开始且没有任何项已处于活动状态时将执行的函数。这是一个 ajax 事件。
	///	</summary>
	///	<param name="f" type="function">要执行的函数。</param>
	///	<returns type="jquery" />

	return this.bind("ajaxstart", f);
};

jquery.fn["ajaxstop"] = function( f ) {
	///	<summary>
	///		附加一个每当所有 ajax 请求都已结束时将执行的函数。这是一个 ajax 事件。
	///	</summary>
	///	<param name="f" type="function">要执行的函数。</param>
	///	<returns type="jquery" />

	return this.bind("ajaxstop", f);
};

jquery.fn["ajaxcomplete"] = function( f ) {
	///	<summary>
	///		附加一个每当 ajax 请求完成时将执行的函数。这是一个 ajax 事件。
	///	</summary>
	///	<param name="f" type="function">要执行的函数。</param>
	///	<returns type="jquery" />

	return this.bind("ajaxcomplete", f);
};

jquery.fn["ajaxerror"] = function( f ) {
	///	<summary>
	///		附加一个每当 ajax 请求失败时将执行的函数。这是一个 ajax 事件。
	///	</summary>
	///	<param name="f" type="function">要执行的函数。</param>
	///	<returns type="jquery" />

	return this.bind("ajaxerror", f);
};

jquery.fn["ajaxsuccess"] = function( f ) {
	///	<summary>
	///		附加一个每当 ajax 请求成功完成时将执行的函数。这是一个 ajax 事件。
	///	</summary>
	///	<param name="f" type="function">要执行的函数。</param>
	///	<returns type="jquery" />

	return this.bind("ajaxsuccess", f);
};

jquery.fn["ajaxsend"] = function( f ) {
	///	<summary>
	///		附加一个将在发送 ajax 请求之前执行的函数。这是一个 ajax 事件。
	///	</summary>
	///	<param name="f" type="function">要执行的函数。</param>
	///	<returns type="jquery" />

	return this.bind("ajaxsend", f);
};

jquery.extend({

	get: function( url, data, callback, type ) {
		///	<summary>
		///		使用 http get 请求加载远程页面。
		///	</summary>
		///	<param name="url" type="string">要加载的 html 页的 url。</param>
		///	<param name="data" optional="true" type="map">将发送给服务器的键/值对。</param>
		///	<param name="callback" optional="true" type="function">完成 ajax 请求时调用的函数。该函数应映射 function(responsetext, textstatus)，从而映射此 ajax 请求的选项。</param>
		///	<param name="type" optional="true" type="string">将返回给回调函数的数据类型。有效值是 xml、html、script、json、text 和 _default。</param>
		///	<returns type="xmlhttprequest" />

		// shift arguments if data argument was omited
		if ( jquery.isfunction( data ) ) {
			type = type || callback;
			callback = data;
			data = null;
		}

		return jquery.ajax({
			type: "get",
			url: url,
			data: data,
			success: callback,
			datatype: type
		});
	},

	getscript: function( url, callback ) {
		///	<summary>
		///		使用 http get 请求加载并执行本地 javascript 文件。
		///	</summary>
		///	<param name="url" type="string">要加载的脚本的 url。</param>
		///	<param name="callback" optional="true" type="function">完成 ajax 请求时调用的函数。该函数应映射 function(data, textstatus)，从而映射 ajax 请求的选项。</param>
		///	<returns type="xmlhttprequest" />

		return jquery.get(url, null, callback, "script");
	},

	getjson: function( url, data, callback ) {
		///	<summary>
		///		使用 http get 请求加载 json 数据。
		///	</summary>
		///	<param name="url" type="string">要加载的 json 数据的 url。</param>
		///	<param name="data" optional="true" type="map">将发送给服务器的键/值对。</param>
		///	<param name="callback" optional="true" type="function">完成 ajax 请求且成功加载数据时调用的函数。该函数应映射 function(data, textstatus)，从而映射此 ajax 请求的选项。</param>
		///	<returns type="xmlhttprequest" />

		return jquery.get(url, data, callback, "json");
	},

	post: function( url, data, callback, type ) {
		///	<summary>
		///		使用 http post 请求加载远程页面。
		///	</summary>
		///	<param name="url" type="string">要加载的 html 页的 url。</param>
		///	<param name="data" optional="true" type="map">将发送给服务器的键/值对。</param>
		///	<param name="callback" optional="true" type="function">完成 ajax 请求时调用的函数。该函数应映射 function(responsetext, textstatus)，从而映射此 ajax 请求的选项。</param>
		///	<param name="type" optional="true" type="string">将返回给回调函数的数据类型。有效值是 xml、html、script、json、text 和 _default。</param>
		///	<returns type="xmlhttprequest" />

		// shift arguments if data argument was omited
		if ( jquery.isfunction( data ) ) {
			type = type || callback;
			callback = data;
			data = {};
		}

		return jquery.ajax({
			type: "post",
			url: url,
			data: data,
			success: callback,
			datatype: type
		});
	},

	ajaxsetup: function( settings ) {
		///	<summary>
		///		设置 ajax 请求的全局设置。
		///	</summary>
		///	<param name="settings" type="options">一组用于配置默认 ajax 请求的键/值对。</param>

		jquery.extend( jquery.ajaxsettings, settings );
	},

	ajaxsettings: {
		url: location.href,
		global: true,
		type: "get",
		contenttype: "application/x-www-form-urlencoded",
		processdata: true,
		async: true,
		/*
		timeout: 0,
		data: null,
		username: null,
		password: null,
		traditional: false,
		*/
		// create the request object; microsoft failed to properly
		// implement the xmlhttprequest in ie7 (can't request local files),
		// so we use the activexobject when it is available
		// this function can be overriden by calling jquery.ajaxsetup
		xhr: window.xmlhttprequest && (window.location.protocol !== "file:" || !window.activexobject) ?
			function() {
				return new window.xmlhttprequest();
			} :
			function() {
				try {
					return new window.activexobject("microsoft.xmlhttp");
				} catch(e) {}
			},
		accepts: {
			xml: "application/xml, text/xml",
			html: "text/html",
			script: "text/javascript, application/javascript",
			json: "application/json, text/javascript",
			text: "text/plain",
			_default: "*/*"
		}
	},

	// last-modified header cache for next request
	lastmodified: {},
	etag: {},

	ajax: function( origsettings ) {
		///	<summary>
		///		使用 http 请求加载远程页面。
		///	</summary>
		///	<private />

		var s = jquery.extend(true, {}, jquery.ajaxsettings, origsettings);
		
		var jsonp, status, data,
			callbackcontext = origsettings && origsettings.context || s,
			type = s.type.touppercase();

		// convert data if not already a string
		if ( s.data && s.processdata && typeof s.data !== "string" ) {
			s.data = jquery.param( s.data, s.traditional );
		}

		// handle jsonp parameter callbacks
		if ( s.datatype === "jsonp" ) {
			if ( type === "get" ) {
				if ( !jsre.test( s.url ) ) {
					s.url += (rquery.test( s.url ) ? "&" : "?") + (s.jsonp || "callback") + "=?";
				}
			} else if ( !s.data || !jsre.test(s.data) ) {
				s.data = (s.data ? s.data + "&" : "") + (s.jsonp || "callback") + "=?";
			}
			s.datatype = "json";
		}

		// build temporary jsonp function
		if ( s.datatype === "json" && (s.data && jsre.test(s.data) || jsre.test(s.url)) ) {
			jsonp = s.jsonpcallback || ("jsonp" + jsc++);

			// replace the =? sequence both in the query string and the data
			if ( s.data ) {
				s.data = (s.data + "").replace(jsre, "=" + jsonp + "$1");
			}

			s.url = s.url.replace(jsre, "=" + jsonp + "$1");

			// we need to make sure
			// that a jsonp style response is executed properly
			s.datatype = "script";

			// handle jsonp-style loading
			window[ jsonp ] = window[ jsonp ] || function( tmp ) {
				data = tmp;
				success();
				complete();
				// garbage collect
				window[ jsonp ] = undefined;

				try {
					delete window[ jsonp ];
				} catch(e) {}

				if ( head ) {
					head.removechild( script );
				}
			};
		}

		if ( s.datatype === "script" && s.cache === null ) {
			s.cache = false;
		}

		if ( s.cache === false && type === "get" ) {
			var ts = now();

			// try replacing _= if it is there
			var ret = s.url.replace(rts, "$1_=" + ts + "$2");

			// if nothing was replaced, add timestamp to the end
			s.url = ret + ((ret === s.url) ? (rquery.test(s.url) ? "&" : "?") + "_=" + ts : "");
		}

		// if data is available, append data to url for get requests
		if ( s.data && type === "get" ) {
			s.url += (rquery.test(s.url) ? "&" : "?") + s.data;
		}

		// watch for a new set of requests
		if ( s.global && ! jquery.active++ ) {
			jquery.event.trigger( "ajaxstart" );
		}

		// matches an absolute url, and saves the domain
		var parts = rurl.exec( s.url ),
			remote = parts && (parts[1] && parts[1] !== location.protocol || parts[2] !== location.host);

		// if we're requesting a remote document
		// and trying to load json or script with a get
		if ( s.datatype === "script" && type === "get" && remote ) {
			var head = document.getelementsbytagname("head")[0] || document.documentelement;
			var script = document.createelement("script");
			script.src = s.url;
			if ( s.scriptcharset ) {
				script.charset = s.scriptcharset;
			}

			// handle script loading
			if ( !jsonp ) {
				var done = false;

				// attach handlers for all browsers
				script.onload = script.onreadystatechange = function() {
					if ( !done && (!this.readystate ||
							this.readystate === "loaded" || this.readystate === "complete") ) {
						done = true;
						success();
						complete();

						// handle memory leak in ie
						script.onload = script.onreadystatechange = null;
						if ( head && script.parentnode ) {
							head.removechild( script );
						}
					}
				};
			}

			// use insertbefore instead of appendchild  to circumvent an ie6 bug.
			// this arises when a base node is used (#2709 and #4378).
			head.insertbefore( script, head.firstchild );

			// we handle everything using the script element injection
			return undefined;
		}

		var requestdone = false;

		// create the request object
		var xhr = s.xhr();

		if ( !xhr ) {
			return;
		}

		// open the socket
		// passing null username, generates a login popup on opera (#2865)
		if ( s.username ) {
			xhr.open(type, s.url, s.async, s.username, s.password);
		} else {
			xhr.open(type, s.url, s.async);
		}

		// need an extra try/catch for cross domain requests in firefox 3
		try {
			// set the correct header, if data is being sent
			if ( s.data || origsettings && origsettings.contenttype ) {
				xhr.setrequestheader("content-type", s.contenttype);
			}

			// set the if-modified-since and/or if-none-match header, if in ifmodified mode.
			if ( s.ifmodified ) {
				if ( jquery.lastmodified[s.url] ) {
					xhr.setrequestheader("if-modified-since", jquery.lastmodified[s.url]);
				}

				if ( jquery.etag[s.url] ) {
					xhr.setrequestheader("if-none-match", jquery.etag[s.url]);
				}
			}

			// set header so the called script knows that it's an xmlhttprequest
			// only send the header if it's not a remote xhr
			if ( !remote ) {
				xhr.setrequestheader("x-requested-with", "xmlhttprequest");
			}

			// set the accepts header for the server, depending on the datatype
			xhr.setrequestheader("accept", s.datatype && s.accepts[ s.datatype ] ?
				s.accepts[ s.datatype ] + ", */*" :
				s.accepts._default );
		} catch(e) {}

		// allow custom headers/mimetypes and early abort
		if ( s.beforesend && s.beforesend.call(callbackcontext, xhr, s) === false ) {
			// handle the global ajax counter
			if ( s.global && ! --jquery.active ) {
				jquery.event.trigger( "ajaxstop" );
			}

			// close opended socket
			xhr.abort();
			return false;
		}

		if ( s.global ) {
			trigger("ajaxsend", [xhr, s]);
		}

		// wait for a response to come back
		var onreadystatechange = xhr.onreadystatechange = function( istimeout ) {
			// the request was aborted
			if ( !xhr || xhr.readystate === 0 || istimeout === "abort" ) {
				// opera doesn't call onreadystatechange before this point
				// so we simulate the call
				if ( !requestdone ) {
					complete();
				}

				requestdone = true;
				if ( xhr ) {
					xhr.onreadystatechange = jquery.noop;
				}

			// the transfer is complete and the data is available, or the request timed out
			} else if ( !requestdone && xhr && (xhr.readystate === 4 || istimeout === "timeout") ) {
				requestdone = true;
				xhr.onreadystatechange = jquery.noop;

				status = istimeout === "timeout" ?
					"timeout" :
					!jquery.httpsuccess( xhr ) ?
						"error" :
						s.ifmodified && jquery.httpnotmodified( xhr, s.url ) ?
							"notmodified" :
							"success";

				var errmsg;

				if ( status === "success" ) {
					// watch for, and catch, xml document parse errors
					try {
						// process the data (runs the xml through httpdata regardless of callback)
						data = jquery.httpdata( xhr, s.datatype, s );
					} catch(err) {
						status = "parsererror";
						errmsg = err;
					}
				}

				// make sure that the request was successful or notmodified
				if ( status === "success" || status === "notmodified" ) {
					// jsonp handles its own success callback
					if ( !jsonp ) {
						success();
					}
				} else {
					jquery.handleerror(s, xhr, status, errmsg);
				}

				// fire the complete handlers
				complete();

				if ( istimeout === "timeout" ) {
					xhr.abort();
				}

				// stop memory leaks
				if ( s.async ) {
					xhr = null;
				}
			}
		};

		// override the abort handler, if we can (ie doesn't allow it, but that's ok)
		// opera doesn't fire onreadystatechange at all on abort
		try {
			var oldabort = xhr.abort;
			xhr.abort = function() {
				if ( xhr ) {
					oldabort.call( xhr );
				}

				onreadystatechange( "abort" );
			};
		} catch(e) { }

		// timeout checker
		if ( s.async && s.timeout > 0 ) {
			settimeout(function() {
				// check to see if the request is still happening
				if ( xhr && !requestdone ) {
					onreadystatechange( "timeout" );
				}
			}, s.timeout);
		}

		// send the data
		try {
			xhr.send( type === "post" || type === "put" || type === "delete" ? s.data : null );
		} catch(e) {
			jquery.handleerror(s, xhr, null, e);
			// fire the complete handlers
			complete();
		}

		// firefox 1.5 doesn't fire statechange for sync requests
		if ( !s.async ) {
			onreadystatechange();
		}

		function success() {
			// if a local callback was specified, fire it and pass it the data
			if ( s.success ) {
				s.success.call( callbackcontext, data, status, xhr );
			}

			// fire the global callback
			if ( s.global ) {
				trigger( "ajaxsuccess", [xhr, s] );
			}
		}

		function complete() {
			// process result
			if ( s.complete ) {
				s.complete.call( callbackcontext, xhr, status);
			}

			// the request was completed
			if ( s.global ) {
				trigger( "ajaxcomplete", [xhr, s] );
			}

			// handle the global ajax counter
			if ( s.global && ! --jquery.active ) {
				jquery.event.trigger( "ajaxstop" );
			}
		}
		
		function trigger(type, args) {
			(s.context ? jquery(s.context) : jquery.event).trigger(type, args);
		}

		// return xmlhttprequest to allow aborting the request etc.
		return xhr;
	},

	handleerror: function( s, xhr, status, e ) {
		///	<summary>
		///		此方法为内部方法。
		///	</summary>
		///	<private />

		// if a local callback was specified, fire it
		if ( s.error ) {
			s.error.call( s.context || s, xhr, status, e );
		}

		// fire the global callback
		if ( s.global ) {
			(s.context ? jquery(s.context) : jquery.event).trigger( "ajaxerror", [xhr, s, e] );
		}
	},

	// counter for holding the number of active queries
	active: 0,

	// determines if an xmlhttprequest was successful or not
	httpsuccess: function( xhr ) {
		///	<summary>
		///		此方法为内部方法。
		///	</summary>
		///	<private />

		try {
			// ie error sometimes returns 1223 when it should be 204 so treat it as success, see #1450
			return !xhr.status && location.protocol === "file:" ||
				// opera returns 0 when status is 304
				( xhr.status >= 200 && xhr.status < 300 ) ||
				xhr.status === 304 || xhr.status === 1223 || xhr.status === 0;
		} catch(e) {}

		return false;
	},

	// determines if an xmlhttprequest returns notmodified
	httpnotmodified: function( xhr, url ) {
		///	<summary>
		///		此方法为内部方法。
		///	</summary>
		///	<private />

		var lastmodified = xhr.getresponseheader("last-modified"),
			etag = xhr.getresponseheader("etag");

		if ( lastmodified ) {
			jquery.lastmodified[url] = lastmodified;
		}

		if ( etag ) {
			jquery.etag[url] = etag;
		}

		// opera returns 0 when status is 304
		return xhr.status === 304 || xhr.status === 0;
	},

	httpdata: function( xhr, type, s ) {
		///	<summary>
		///		此方法为内部方法。
		///	</summary>
		///	<private />

		var ct = xhr.getresponseheader("content-type") || "",
			xml = type === "xml" || !type && ct.indexof("xml") >= 0,
			data = xml ? xhr.responsexml : xhr.responsetext;

		if ( xml && data.documentelement.nodename === "parsererror" ) {
			jquery.error( "parsererror" );
		}

		// allow a pre-filtering function to sanitize the response
		// s is checked to keep backwards compatibility
		if ( s && s.datafilter ) {
			data = s.datafilter( data, type );
		}

		// the filter can actually parse the response
		if ( typeof data === "string" ) {
			// get the javascript object, if json is used.
			if ( type === "json" || !type && ct.indexof("json") >= 0 ) {
				data = jquery.parsejson( data );

			// if the type is "script", eval it in global context
			} else if ( type === "script" || !type && ct.indexof("javascript") >= 0 ) {
				jquery.globaleval( data );
			}
		}

		return data;
	},

	// serialize an array of form elements or a set of
	// key/values into a query string
	param: function( a, traditional ) {
		///	<summary>
		///		创建数组或对象的序列化表示形式(适合于在 url
		///		查询字符串或 ajax 请求中使用)。
		///	</summary>
		///	<param name="a" type="object">
		///		要序列化的数组或对象。
		///	</param>
		///	<param name="traditional" type="boolean">
		///		一个指示是否执行传统的“浅表”序列化的布尔值。
		///	</param>
		///	<returns type="string" />

		var s = [];
		
		// set traditional to true for jquery <= 1.3.2 behavior.
		if ( traditional === undefined ) {
			traditional = jquery.ajaxsettings.traditional;
		}
		
		// if an array was passed in, assume that it is an array of form elements.
		if ( jquery.isarray(a) || a.jquery ) {
			// 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 ( var prefix in a ) {
				buildparams( prefix, a[prefix] );
			}
		}

		// return the resulting serialization
		return s.join("&").replace(r20, "+");

		function buildparams( prefix, obj ) {
			if ( jquery.isarray(obj) ) {
				// serialize array item.
				jquery.each( obj, function( i, v ) {
					if ( traditional ) {
						// treat each array item as a scalar.
						add( prefix, v );
					} else {
						// if array item is non-scalar (array or object), encode its
						// numeric index to resolve deserialization ambiguity issues.
						// note that rack (as of 1.0.0) can't currently deserialize
						// nested arrays properly, and attempting to do so may cause
						// a server error. possible fixes are to modify rack's
						// deserialization algorithm or to provide an option or flag
						// to force array serialization to be shallow.
						buildparams( prefix + "[" + ( typeof v === "object" || jquery.isarray(v) ? i : "" ) + "]", v );
					}
				});
					
			} else if ( !traditional && obj != null && typeof obj === "object" ) {
				// serialize object item.
				jquery.each( obj, function( k, v ) {
					buildparams( prefix + "[" + k + "]", v );
				});
					
			} else {
				// serialize scalar item.
				add( prefix, obj );
			}
		}

		function add( key, value ) {
			// if value is a function, invoke it and return its value
			value = jquery.isfunction(value) ? value() : value;
			s[ s.length ] = encodeuricomponent(key) + "=" + encodeuricomponent(value);
		}
	}
});
var elemdisplay = {},
	rfxtypes = /toggle|show|hide/,
	rfxnum = /^([+-]=)?([\d+-.]+)(.*)$/,
	timerid,
	fxattrs = [
		// height animations
		[ "height", "margintop", "marginbottom", "paddingtop", "paddingbottom" ],
		// width animations
		[ "width", "marginleft", "marginright", "paddingleft", "paddingright" ],
		// opacity animations
		[ "opacity" ]
	];

jquery.fn.extend({
	show: function( speed, callback ) {
		///	<summary>
		///		通过使用优美的动画并在完成后触发一个可选的回调来显示所有匹配的元素。
		///	</summary>
		///	<param name="speed" type="string">表示三个预定义速度之一(“slow”、“normal”或“fast”)
		///		或动画运行毫秒数的字符串</param>
		///	<param name="callback" optional="true" type="function">每当动画完成时将为每个动画元素执行一次的函数。该函数应映射函数 callback()，以致这是要动画显示的 dom 元素。</param>
		///	<returns type="jquery" />

		if ( speed || speed === 0) {
			return this.animate( genfx("show", 3), speed, callback);

		} else {
			for ( var i = 0, l = this.length; i < l; i++ ) {
				var old = jquery.data(this[i], "olddisplay");

				this[i].style.display = old || "";

				if ( jquery.css(this[i], "display") === "none" ) {
					var nodename = this[i].nodename, display;

					if ( elemdisplay[ nodename ] ) {
						display = elemdisplay[ nodename ];

					} else {
						var elem = jquery("<" + nodename + " />").appendto("body");

						display = elem.css("display");

						if ( display === "none" ) {
							display = "block";
						}

						elem.remove();

						elemdisplay[ nodename ] = display;
					}

					jquery.data(this[i], "olddisplay", display);
				}
			}

			// set the display of the elements in a second loop
			// to avoid the constant reflow
			for ( var j = 0, k = this.length; j < k; j++ ) {
				this[j].style.display = jquery.data(this[j], "olddisplay") || "";
			}

			return this;
		}
	},

	hide: function( speed, callback ) {
		///	<summary>
		///		通过使用优美的动画并在完成后触发一个可选的回调来隐藏所有匹配的元素。
		///	</summary>
		///	<param name="speed" type="string">表示三个预定义速度之一(“slow”、“normal”或“fast”)
		///		或动画运行毫秒数的字符串</param>
		///	<param name="callback" optional="true" type="function">每当动画完成时将为每个动画元素执行一次的函数。该函数应映射函数 callback()，以致这是要动画显示的 dom 元素。</param>
		///	<returns type="jquery" />

		if ( speed || speed === 0 ) {
			return this.animate( genfx("hide", 3), speed, callback);

		} else {
			for ( var i = 0, l = this.length; i < l; i++ ) {
				var old = jquery.data(this[i], "olddisplay");
				if ( !old && old !== "none" ) {
					jquery.data(this[i], "olddisplay", jquery.css(this[i], "display"));
				}
			}

			// set the display of the elements in a second loop
			// to avoid the constant reflow
			for ( var j = 0, k = this.length; j < k; j++ ) {
				this[j].style.display = "none";
			}

			return this;
		}
	},

	// save the old toggle function
	_toggle: jquery.fn.toggle,

	toggle: function( fn, fn2 ) {
		///	<summary>
		///		切换显示每个匹配元素集。
		///	</summary>
		///	<returns type="jquery" />

		var bool = typeof fn === "boolean";

		if ( jquery.isfunction(fn) && jquery.isfunction(fn2) ) {
			this._toggle.apply( this, arguments );

		} else if ( fn == null || bool ) {
			this.each(function() {
				var state = bool ? fn : jquery(this).is(":hidden");
				jquery(this)[ state ? "show" : "hide" ]();
			});

		} else {
			this.animate(genfx("toggle", 3), fn, fn2);
		}

		return this;
	},

	fadeto: function( speed, to, callback ) {
		///	<summary>
		///		将所有匹配元素的不透明度淡化为一个指定的不透明度。
		///	</summary>
		///	<param name="speed" type="string">表示三个预定义速度之一(“slow”、“normal”或“fast”)
		///		或动画运行毫秒数的字符串</param>
		///	<param name="callback" optional="true" type="function">每当动画完成时将为每个动画元素执行一次的函数。该函数应映射函数 callback()，以致这是要动画显示的 dom 元素。</param>
		///	<returns type="jquery" />

		return this.filter(":hidden").css("opacity", 0).show().end()
					.animate({opacity: to}, speed, callback);
	},

	animate: function( prop, speed, easing, callback ) {
		///	<summary>
		///		用于生成自定义动画的函数。
		///	</summary>
		///	<param name="prop" type="options">希望用于绘制动画和其他目的的一组样式特性。</param>
		///	<param name="speed" optional="true" type="string">表示三个预定义速度之一(“slow”、“normal”或“fast”)
		///		或动画运行毫秒数的字符串</param>
		///	<param name="easing" optional="true" type="string">要使用的缓动效果的名称。存在两个内置值“linear”和“swing”。</param>
		///	<param name="callback" optional="true" type="function">每当动画完成时将为每个动画元素执行一次的函数。该函数应映射函数 callback()，以致这是要动画显示的 dom 元素。</param>
		///	<returns type="jquery" />

		var optall = jquery.speed(speed, easing, callback);

		if ( jquery.isemptyobject( prop ) ) {
			return this.each( optall.complete );
		}

		return this[ optall.queue === false ? "each" : "queue" ](function() {
			var opt = jquery.extend({}, optall), p,
				hidden = this.nodetype === 1 && jquery(this).is(":hidden"),
				self = this;

			for ( p in prop ) {
				var name = p.replace(rdashalpha, fcamelcase);

				if ( p !== name ) {
					prop[ name ] = prop[ p ];
					delete prop[ p ];
					p = name;
				}

				if ( prop[p] === "hide" && hidden || prop[p] === "show" && !hidden ) {
					return opt.complete.call(this);
				}

				if ( ( p === "height" || p === "width" ) && this.style ) {
					// store display property
					opt.display = jquery.css(this, "display");

					// make sure that nothing sneaks out
					opt.overflow = this.style.overflow;
				}

				if ( jquery.isarray( prop[p] ) ) {
					// create (if needed) and add to specialeasing
					(opt.specialeasing = opt.specialeasing || {})[p] = prop[p][1];
					prop[p] = prop[p][0];
				}
			}

			if ( opt.overflow != null ) {
				this.style.overflow = "hidden";
			}

			opt.curanim = jquery.extend({}, prop);

			jquery.each( prop, function( name, val ) {
				var e = new jquery.fx( self, opt, name );

				if ( rfxtypes.test(val) ) {
					e[ val === "toggle" ? hidden ? "show" : "hide" : val ]( prop );

				} else {
					var parts = rfxnum.exec(val),
						start = e.cur(true) || 0;

					if ( parts ) {
						var end = parsefloat( parts[2] ),
							unit = parts[3] || "px";

						// we need to compute starting value
						if ( unit !== "px" ) {
							self.style[ name ] = (end || 1) + unit;
							start = ((end || 1) / e.cur(true)) * start;
							self.style[ name ] = start + unit;
						}

						// if a +=/-= token was provided, we're doing a relative animation
						if ( parts[1] ) {
							end = ((parts[1] === "-=" ? -1 : 1) * end) + start;
						}

						e.custom( start, end, unit );

					} else {
						e.custom( start, val, "" );
					}
				}
			});

			// for js strict compliance
			return true;
		});
	},

	stop: function( clearqueue, gotoend ) {
		///	<summary>
		///		停止指定元素上的当前所有动画。
		///	</summary>
		///	<param name="clearqueue" optional="true" type="boolean">若为 true，则清除排队等待运行的动画。</param>
		///	<param name="gotoend" optional="true" type="boolean">若为 true，则将元素值移到其动画目标的结尾处。</param>
		///	<returns type="jquery" />

		var timers = jquery.timers;

		if ( clearqueue ) {
			this.queue([]);
		}

		this.each(function() {
			// go in reverse order so anything added to the queue during the loop is ignored
			for ( var i = timers.length - 1; i >= 0; i-- ) {
				if ( timers[i].elem === this ) {
					if (gotoend) {
						// force the next step to be the last
						timers[i](true);
					}

					timers.splice(i, 1);
				}
			}
		});

		// start the next in the queue if the last step wasn't forced
		if ( !gotoend ) {
			this.dequeue();
		}

		return this;
	}

});

// generate shortcuts for custom animations
//	jquery.each({
//		slidedown: genfx("show", 1),
//		slideup: genfx("hide", 1),
//		slidetoggle: genfx("toggle", 1),
//		fadein: { opacity: "show" },
//		fadeout: { opacity: "hide" }
//	}, function( name, props ) {
//		jquery.fn[ name ] = function( speed, callback ) {
//			return this.animate( props, speed, callback );
//		};
//	});

jquery.fn[ "slidedown" ] = function( speed, callback ) {
	///	<summary>
	///		通过调整高度显示所有匹配的元素。
	///	</summary>
	///	<param name="speed" type="string">表示三个预定义速度之一(“slow”、“normal”或“fast”)
	///		或动画运行毫秒数的字符串</param>
	///	<param name="callback" optional="true" type="function">每当动画完成时将为每个动画元素执行一次的函数。该函数应映射函数 callback()，以致这是要动画显示的 dom 元素。</param>
	///	<returns type="jquery" />

	return this.animate( genfx("show", 1), speed, callback );
};

jquery.fn[ "slideup" ] = function( speed, callback ) {
	///	<summary>
	///		通过调整高度隐藏所有匹配的元素。
	///	</summary>
	///	<param name="speed" type="string">表示三个预定义速度之一(“slow”、“normal”或“fast”)
	///		或动画运行毫秒数的字符串</param>
	///	<param name="callback" optional="true" type="function">每当动画完成时将为每个动画元素执行一次的函数。该函数应映射函数 callback()，以致这是要动画显示的 dom 元素。</param>
	///	<returns type="jquery" />

	return this.animate( genfx("hide", 1), speed, callback );
};

jquery.fn[ "slidetoggle" ] = function( speed, callback ) {
	///	<summary>
	///		通过调整高度，在所有匹配元素是否可见之间进行切换。
	///	</summary>
	///	<param name="speed" type="string">表示三个预定义速度之一(“slow”、“normal”或“fast”)
	///		或动画运行毫秒数的字符串</param>
	///	<param name="callback" optional="true" type="function">每当动画完成时将为每个动画元素执行一次的函数。该函数应映射函数 callback()，以致这是要动画显示的 dom 元素。</param>
	///	<returns type="jquery" />

	return this.animate( genfx("toggle", 1), speed, callback );
};

jquery.fn[ "fadein" ] = function( speed, callback ) {
	///	<summary>
	///		通过调整不透明度淡入所有匹配的元素。
	///	</summary>
	///	<param name="speed" type="string">表示三个预定义速度之一(“slow”、“normal”或“fast”)
	///		或动画运行毫秒数的字符串</param>
	///	<param name="callback" optional="true" type="function">每当动画完成时将为每个动画元素执行一次的函数。该函数应映射函数 callback()，以致这是要动画显示的 dom 元素。</param>
	///	<returns type="jquery" />

	return this.animate( { opacity: "show" }, speed, callback );
};

jquery.fn[ "fadeout" ] = function( speed, callback ) {
	///	<summary>
	///		将所有匹配元素的不透明度淡化为一个指定的不透明度。
	///	</summary>
	///	<param name="speed" type="string">表示三个预定义速度之一(“slow”、“normal”或“fast”)
	///		或动画运行毫秒数的字符串</param>
	///	<param name="callback" optional="true" type="function">每当动画完成时将为每个动画元素执行一次的函数。该函数应映射函数 callback()，以致这是要动画显示的 dom 元素。</param>
	///	<returns type="jquery" />

	return this.animate( { opacity: "hide" }, speed, callback );
};

jquery.extend({
	speed: function( speed, easing, fn ) {
		///	<summary>
		///		此成员为内部成员。
		///	</summary>
		///	<private />

		var opt = speed && typeof speed === "object" ? 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 :
			jquery.fx.speeds[opt.duration] || jquery.fx.speeds._default;

		// queueing
		opt.old = opt.complete;
		opt.complete = function() {
			if ( opt.queue !== false ) {
				jquery(this).dequeue();
			}
			if ( jquery.isfunction( opt.old ) ) {
				opt.old.call( this );
			}
		};

		return opt;
	},

	easing: {
		linear: function( p, n, firstnum, diff ) {
			///	<summary>
			///		此成员为内部成员。
			///	</summary>
			///	<private />

			return firstnum + diff * p;
		},
		swing: function( p, n, firstnum, diff ) {
			///	<summary>
			///		此成员为内部成员。
			///	</summary>
			///	<private />

			return ((-math.cos(p*math.pi)/2) + 0.5) * diff + firstnum;
		}
	},

	timers: [],

	fx: function( elem, options, prop ) {
		///	<summary>
		///		此成员为内部成员。
		///	</summary>
		///	<private />

		this.options = options;
		this.elem = elem;
		this.prop = prop;

		if ( !options.orig ) {
			options.orig = {};
		}
	}

});

jquery.fx.prototype = {
	// simple function for setting a style value
	update: function() {
		///	<summary>
		///		此成员为内部成员。
		///	</summary>
		///	<private />

		if ( this.options.step ) {
			this.options.step.call( this.elem, this.now, this );
		}

		(jquery.fx.step[this.prop] || jquery.fx.step._default)( this );

		// set display property to block for height/width animations
		if ( ( this.prop === "height" || this.prop === "width" ) && this.elem.style ) {
			this.elem.style.display = "block";
		}
	},

	// get the current size
	cur: function( force ) {
		///	<summary>
		///		此成员为内部成员。
		///	</summary>
		///	<private />

		if ( this.elem[this.prop] != null && (!this.elem.style || this.elem.style[this.prop] == null) ) {
			return this.elem[ this.prop ];
		}

		var r = parsefloat(jquery.css(this.elem, this.prop, force));
		return r && r > -10000 ? r : parsefloat(jquery.curcss(this.elem, this.prop)) || 0;
	},

	// start an animation from one number to another
	custom: function( from, to, unit ) {
		this.starttime = now();
		this.start = from;
		this.end = to;
		this.unit = unit || this.unit || "px";
		this.now = this.start;
		this.pos = this.state = 0;

		var self = this;
		function t( gotoend ) {
			return self.step(gotoend);
		}

		t.elem = this.elem;

		if ( t() && jquery.timers.push(t) && !timerid ) {
			timerid = setinterval(jquery.fx.tick, 13);
		}
	},

	// simple 'show' function
	show: function() {
		///	<summary>
		///		显示处于隐藏状态的每个匹配元素集。
		///	</summary>

		// remember where we started, so that we can go back to it later
		this.options.orig[this.prop] = jquery.style( this.elem, this.prop );
		this.options.show = true;

		// begin the animation
		// make sure that we start at a small width/height to avoid any
		// flash of content
		this.custom(this.prop === "width" || this.prop === "height" ? 1 : 0, this.cur());

		// start by showing the element
		jquery( this.elem ).show();
	},

	// simple 'hide' function
	hide: function() {
		///	<summary>
		///		隐藏处于显示状态的每个匹配元素集。
		///	</summary>

		// remember where we started, so that we can go back to it later
		this.options.orig[this.prop] = jquery.style( this.elem, this.prop );
		this.options.hide = true;

		// begin the animation
		this.custom(this.cur(), 0);
	},

	// each step of an animation
	step: function( gotoend ) {
		///	<summary>
		///		此方法为内部方法。
		///	</summary>
		///	<private />

		var t = now(), done = true;

		if ( gotoend || t >= this.options.duration + this.starttime ) {
			this.now = this.end;
			this.pos = this.state = 1;
			this.update();

			this.options.curanim[ this.prop ] = true;

			for ( var i in this.options.curanim ) {
				if ( this.options.curanim[i] !== true ) {
					done = false;
				}
			}

			if ( done ) {
				if ( this.options.display != null ) {
					// reset the overflow
					this.elem.style.overflow = this.options.overflow;

					// reset the display
					var old = jquery.data(this.elem, "olddisplay");
					this.elem.style.display = old ? old : this.options.display;

					if ( jquery.css(this.elem, "display") === "none" ) {
						this.elem.style.display = "block";
					}
				}

				// hide the element if the "hide" operation was done
				if ( this.options.hide ) {
					jquery(this.elem).hide();
				}

				// reset the properties, if the item has been hidden or shown
				if ( this.options.hide || this.options.show ) {
					for ( var p in this.options.curanim ) {
						jquery.style(this.elem, p, this.options.orig[p]);
					}
				}

				// execute the complete function
				this.options.complete.call( this.elem );
			}

			return false;

		} else {
			var n = t - this.starttime;
			this.state = n / this.options.duration;

			// perform the easing function, defaults to swing
			var specialeasing = this.options.specialeasing && this.options.specialeasing[this.prop];
			var defaulteasing = this.options.easing || (jquery.easing.swing ? "swing" : "linear");
			this.pos = jquery.easing[specialeasing || defaulteasing](this.state, n, 0, 1, this.options.duration);
			this.now = this.start + ((this.end - this.start) * this.pos);

			// perform the next step of the animation
			this.update();
		}

		return true;
	}
};

jquery.extend( jquery.fx, {
	tick: function() {
		var timers = jquery.timers;

		for ( var i = 0; i < timers.length; i++ ) {
			if ( !timers[i]() ) {
				timers.splice(i--, 1);
			}
		}

		if ( !timers.length ) {
			jquery.fx.stop();
		}
	},
		
	stop: function() {
		clearinterval( timerid );
		timerid = null;
	},
	
	speeds: {
		slow: 600,
 		fast: 200,
 		// default speed
 		_default: 400
	},

	step: {
		opacity: function( fx ) {
			jquery.style(fx.elem, "opacity", fx.now);
		},

		_default: function( fx ) {
			if ( fx.elem.style && fx.elem.style[ fx.prop ] != null ) {
				fx.elem.style[ fx.prop ] = (fx.prop === "width" || fx.prop === "height" ? math.max(0, fx.now) : fx.now) + fx.unit;
			} else {
				fx.elem[ fx.prop ] = fx.now;
			}
		}
	}
});

if ( jquery.expr && jquery.expr.filters ) {
	jquery.expr.filters.animated = function( elem ) {
		return jquery.grep(jquery.timers, function( fn ) {
			return elem === fn.elem;
		}).length;
	};
}

function genfx( type, num ) {
	var obj = {};

	jquery.each( fxattrs.concat.apply([], fxattrs.slice(0,num)), function() {
		obj[ this ] = type;
	});

	return obj;
}
if ( "getboundingclientrect" in document.documentelement ) {
	jquery.fn.offset = function( options ) {
		///	<summary>
		///		设置匹配元素集中每个元素相对于文档的
		///		当前坐标。
		///	</summary>
		///	<param name="options" type="object">
		///		一个包含 top 和 left 属性的对象，这两个属性的值为指示元素
		///		的新左上角坐标的整数。
		///	</param>
		///	<returns type="jquery" />

		var elem = this[0];

		if ( options ) { 
			return this.each(function( i ) {
				jquery.offset.setoffset( this, options, i );
			});
		}

		if ( !elem || !elem.ownerdocument ) {
			return null;
		}

		if ( elem === elem.ownerdocument.body ) {
			return jquery.offset.bodyoffset( elem );
		}

		var box = elem.getboundingclientrect(), doc = elem.ownerdocument, body = doc.body, docelem = doc.documentelement,
			clienttop = docelem.clienttop || body.clienttop || 0, clientleft = docelem.clientleft || body.clientleft || 0,
			top  = box.top  + (self.pageyoffset || jquery.support.boxmodel && docelem.scrolltop  || body.scrolltop ) - clienttop,
			left = box.left + (self.pagexoffset || jquery.support.boxmodel && docelem.scrollleft || body.scrollleft) - clientleft;

		return { top: top, left: left };
	};

} else {
	jquery.fn.offset = function( options ) {
		///	<summary>
		///		设置匹配元素集中每个元素相对于文档的
		///		当前坐标。
		///	</summary>
		///	<param name="options" type="object">
		///		一个包含 top 和 left 属性的对象，这两个属性的值为指示元素
		///		的新左上角坐标的整数。
		///	</param>
		///	<returns type="jquery" />

		var elem = this[0];

		if ( options ) { 
			return this.each(function( i ) {
				jquery.offset.setoffset( this, options, i );
			});
		}

		if ( !elem || !elem.ownerdocument ) {
			return null;
		}

		if ( elem === elem.ownerdocument.body ) {
			return jquery.offset.bodyoffset( elem );
		}

		jquery.offset.initialize();

		var offsetparent = elem.offsetparent, prevoffsetparent = elem,
			doc = elem.ownerdocument, computedstyle, docelem = doc.documentelement,
			body = doc.body, defaultview = doc.defaultview,
			prevcomputedstyle = defaultview ? defaultview.getcomputedstyle( elem, null ) : elem.currentstyle,
			top = elem.offsettop, left = elem.offsetleft;

		while ( (elem = elem.parentnode) && elem !== body && elem !== docelem ) {
			if ( jquery.offset.supportsfixedposition && prevcomputedstyle.position === "fixed" ) {
				break;
			}

			computedstyle = defaultview ? defaultview.getcomputedstyle(elem, null) : elem.currentstyle;
			top  -= elem.scrolltop;
			left -= elem.scrollleft;

			if ( elem === offsetparent ) {
				top  += elem.offsettop;
				left += elem.offsetleft;

				if ( jquery.offset.doesnotaddborder && !(jquery.offset.doesaddborderfortableandcells && /^t(able|d|h)$/i.test(elem.nodename)) ) {
					top  += parsefloat( computedstyle.bordertopwidth  ) || 0;
					left += parsefloat( computedstyle.borderleftwidth ) || 0;
				}

				prevoffsetparent = offsetparent, offsetparent = elem.offsetparent;
			}

			if ( jquery.offset.subtractsborderforoverflownotvisible && computedstyle.overflow !== "visible" ) {
				top  += parsefloat( computedstyle.bordertopwidth  ) || 0;
				left += parsefloat( computedstyle.borderleftwidth ) || 0;
			}

			prevcomputedstyle = computedstyle;
		}

		if ( prevcomputedstyle.position === "relative" || prevcomputedstyle.position === "static" ) {
			top  += body.offsettop;
			left += body.offsetleft;
		}

		if ( jquery.offset.supportsfixedposition && prevcomputedstyle.position === "fixed" ) {
			top  += math.max( docelem.scrolltop, body.scrolltop );
			left += math.max( docelem.scrollleft, body.scrollleft );
		}

		return { top: top, left: left };
	};
}

jquery.offset = {
	initialize: function() {
		var body = document.body, container = document.createelement("div"), innerdiv, checkdiv, table, td, bodymargintop = parsefloat( jquery.curcss(body, "margintop", true) ) || 0,
			html = "<div style='position:absolute;top:0;left:0;margin:0;border:5px solid #000;padding:0;width:1px;height:1px;'><div></div></div><table style='position:absolute;top:0;left:0;margin:0;border:5px solid #000;padding:0;width:1px;height:1px;' cellpadding='0' cellspacing='0'><tr><td></td></tr></table>";

		jquery.extend( container.style, { position: "absolute", top: 0, left: 0, margin: 0, border: 0, width: "1px", height: "1px", visibility: "hidden" } );

		container.innerhtml = html;
		body.insertbefore( container, body.firstchild );
		innerdiv = container.firstchild;
		checkdiv = innerdiv.firstchild;
		td = innerdiv.nextsibling.firstchild.firstchild;

		this.doesnotaddborder = (checkdiv.offsettop !== 5);
		this.doesaddborderfortableandcells = (td.offsettop === 5);

		checkdiv.style.position = "fixed", checkdiv.style.top = "20px";
		// safari subtracts parent border width here which is 5px
		this.supportsfixedposition = (checkdiv.offsettop === 20 || checkdiv.offsettop === 15);
		checkdiv.style.position = checkdiv.style.top = "";

		innerdiv.style.overflow = "hidden", innerdiv.style.position = "relative";
		this.subtractsborderforoverflownotvisible = (checkdiv.offsettop === -5);

		this.doesnotincludemargininbodyoffset = (body.offsettop !== bodymargintop);

		body.removechild( container );
		body = container = innerdiv = checkdiv = table = td = null;
		jquery.offset.initialize = jquery.noop;
	},

	bodyoffset: function( body ) {
		var top = body.offsettop, left = body.offsetleft;

		jquery.offset.initialize();

		if ( jquery.offset.doesnotincludemargininbodyoffset ) {
			top  += parsefloat( jquery.curcss(body, "margintop",  true) ) || 0;
			left += parsefloat( jquery.curcss(body, "marginleft", true) ) || 0;
		}

		return { top: top, left: left };
	},
	
	setoffset: function( elem, options, i ) {
		// set position first, in-case top/left are set even on static elem
		if ( /static/.test( jquery.curcss( elem, "position" ) ) ) {
			elem.style.position = "relative";
		}
		var curelem   = jquery( elem ),
			curoffset = curelem.offset(),
			curtop    = parseint( jquery.curcss( elem, "top",  true ), 10 ) || 0,
			curleft   = parseint( jquery.curcss( elem, "left", true ), 10 ) || 0;

		if ( jquery.isfunction( options ) ) {
			options = options.call( elem, i, curoffset );
		}

		var props = {
			top:  (options.top  - curoffset.top)  + curtop,
			left: (options.left - curoffset.left) + curleft
		};
		
		if ( "using" in options ) {
			options.using.call( elem, props );
		} else {
			curelem.css( props );
		}
	}
};


jquery.fn.extend({
	position: function() {
		///	<summary>
		///		获取某个元素相对于其偏移父级的顶部位置和左侧位置。
		///	</summary>
		///	<returns type="object">具有两个整数属性“top”和“left”的对象。</returns>

		if ( !this[0] ) {
			return null;
		}

		var elem = this[0],

		// get *real* offsetparent
		offsetparent = this.offsetparent(),

		// get correct offsets
		offset       = this.offset(),
		parentoffset = /^body|html$/i.test(offsetparent[0].nodename) ? { top: 0, left: 0 } : offsetparent.offset();

		// subtract element margins
		// note: when an element has margin: auto the offsetleft and marginleft
		// are the same in safari causing offset.left to incorrectly be 0
		offset.top  -= parsefloat( jquery.curcss(elem, "margintop",  true) ) || 0;
		offset.left -= parsefloat( jquery.curcss(elem, "marginleft", true) ) || 0;

		// add offsetparent borders
		parentoffset.top  += parsefloat( jquery.curcss(offsetparent[0], "bordertopwidth",  true) ) || 0;
		parentoffset.left += parsefloat( jquery.curcss(offsetparent[0], "borderleftwidth", true) ) || 0;

		// subtract the two offsets
		return {
			top:  offset.top  - parentoffset.top,
			left: offset.left - parentoffset.left
		};
	},

	offsetparent: function() {
		///	<summary>
		///		此方法为内部方法。
		///	</summary>
		///	<private />

		return this.map(function() {
			var offsetparent = this.offsetparent || document.body;
			while ( offsetparent && (!/^body|html$/i.test(offsetparent.nodename) && jquery.css(offsetparent, "position") === "static") ) {
				offsetparent = offsetparent.offsetparent;
			}
			return offsetparent;
		});
	}
});


// create scrollleft and scrolltop methods
jquery.each( ["left", "top"], function( i, name ) {
	var method = "scroll" + name;

	jquery.fn[ method ] = function(val) {
		///	<summary>
		///		获取并选择设置第一个匹配元素的向左滚动偏移量。
		///	</summary>
		///	<param name="val" type="number" integer="true" optional="true">一个表示期望的向左滚动偏移量的正数。</param>
		///	<returns type="number" integer="true">第一个匹配元素的向左滚动偏移量。</returns>

		var elem = this[0], win;
		
		if ( !elem ) {
			return null;
		}

		if ( val !== undefined ) {
			// set the scroll offset
			return this.each(function() {
				win = getwindow( this );

				if ( win ) {
					win.scrollto(
						!i ? val : jquery(win).scrollleft(),
						 i ? val : jquery(win).scrolltop()
					);

				} else {
					this[ method ] = val;
				}
			});
		} else {
			win = getwindow( elem );

			// return the scroll offset
			return win ? ("pagexoffset" in win) ? win[ i ? "pageyoffset" : "pagexoffset" ] :
				jquery.support.boxmodel && win.document.documentelement[ method ] ||
					win.document.body[ method ] :
				elem[ method ];
		}
	};
});

// create scrollleft and scrolltop methods
jquery.each( ["left", "top"], function( i, name ) {
	var method = "scroll" + name;

	jquery.fn[ method ] = function(val) {
		///	<summary>
		///		获取并选择设置第一个匹配元素的向上滚动偏移量。
		///	</summary>
		///	<param name="val" type="number" integer="true" optional="true">一个表示期望的向上滚动偏移量的正数。</param>
		///	<returns type="number" integer="true">第一个匹配元素的向上滚动偏移量。</returns>

		var elem = this[0], win;
		
		if ( !elem ) {
			return null;
		}

		if ( val !== undefined ) {
			// set the scroll offset
			return this.each(function() {
				win = getwindow( this );

				if ( win ) {
					win.scrollto(
						!i ? val : jquery(win).scrollleft(),
						 i ? val : jquery(win).scrolltop()
					);

				} else {
					this[ method ] = val;
				}
			});
		} else {
			win = getwindow( elem );

			// return the scroll offset
			return win ? ("pagexoffset" in win) ? win[ i ? "pageyoffset" : "pagexoffset" ] :
				jquery.support.boxmodel && win.document.documentelement[ method ] ||
					win.document.body[ method ] :
				elem[ method ];
		}
	};
});

function getwindow( elem ) {
	return ("scrollto" in elem && elem.document) ?
		elem :
		elem.nodetype === 9 ?
			elem.defaultview || elem.parentwindow :
			false;
}

// create innerheight, innerwidth, outerheight and outerwidth methods
jquery.each([ "height" ], function( i, name ) {

	var type = name.tolowercase();

	// innerheight and innerwidth
	jquery.fn["inner" + name] = function() {
		///	<summary>
		///		获取第一个匹配元素的内部高度，不包括边框但包括填充。
		///	</summary>
		///	<returns type="number" integer="true">第一个匹配元素的外部高度。</returns>

		return this[0] ?
			jquery.css( this[0], type, false, "padding" ) :
			null;
	};

	// outerheight and outerwidth
	jquery.fn["outer" + name] = function( margin ) {
		///	<summary>
		///		获取第一个匹配元素的外部高度，默认情况下包括边框和填充。
		///	</summary>
		///	<param name="margins" type="map">一组用于为方法指定选项的键/值对。</param>
		///	<returns type="number" integer="true">第一个匹配元素的外部高度。</returns>

		return this[0] ?
			jquery.css( this[0], type, false, margin ? "margin" : "border" ) :
			null;
	};

	jquery.fn[ type ] = function( size ) {
		///	<summary>
		///		设置每个匹配元素的 css 高度。如果未明确指定单位
		///		was specified (like 'em' or '%') then &quot;px&quot; is added to the width.  if no parameter is specified, it gets
		///		第一个匹配元素的当前计算的像素高度。
		///		css 部分
		///	</summary>
		///	<returns type="jquery" type="jquery" />
		///	<param name="cssproperty" type="string">
		///		将 css 属性设置为指定的值。若省略，则获取第一个匹配元素的值。
		///	</param>

		// get window width or height
		var elem = this[0];
		if ( !elem ) {
			return size == null ? null : this;
		}
		
		if ( jquery.isfunction( size ) ) {
			return this.each(function( i ) {
				var self = jquery( this );
				self[ type ]( size.call( this, i, self[ type ]() ) );
			});
		}

		return ("scrollto" in elem && elem.document) ? // does it walk and quack like a window?
			// everyone else use document.documentelement or document.body depending on quirks vs standards mode
			elem.document.compatmode === "css1compat" && elem.document.documentelement[ "client" + name ] ||
			elem.document.body[ "client" + name ] :

			// get document width or height
			(elem.nodetype === 9) ? // is it a document
				// either scroll[width/height] or offset[width/height], whichever is greater
				math.max(
					elem.documentelement["client" + name],
					elem.body["scroll" + name], elem.documentelement["scroll" + name],
					elem.body["offset" + name], elem.documentelement["offset" + name]
				) :

				// get or set width or height on the element
				size === undefined ?
					// get width or height on the element
					jquery.css( elem, type ) :

					// set the width or height on the element (default to pixels if value is unitless)
					this.css( type, typeof size === "string" ? size : size + "px" );
	};

});

// create innerheight, innerwidth, outerheight and outerwidth methods
jquery.each([ "width" ], function( i, name ) {

	var type = name.tolowercase();

	// innerheight and innerwidth
	jquery.fn["inner" + name] = function() {
		///	<summary>
		///		获取第一个匹配元素的内部宽度，不包括边框但包括填充。
		///	</summary>
		///	<returns type="number" integer="true">第一个匹配元素的外部宽度。</returns>

		return this[0] ?
			jquery.css( this[0], type, false, "padding" ) :
			null;
	};

	// outerheight and outerwidth
	jquery.fn["outer" + name] = function( margin ) {
		///	<summary>
		///		获取第一个匹配元素的外部宽度，默认情况下包括边框和填充。
		///	</summary>
		///	<param name="margin" type="map">一组用于为方法指定选项的键/值对。</param>
		///	<returns type="number" integer="true">第一个匹配元素的外部宽度。</returns>

		return this[0] ?
			jquery.css( this[0], type, false, margin ? "margin" : "border" ) :
			null;
	};

	jquery.fn[ type ] = function( size ) {
		///	<summary>
		///		设置每个匹配元素的 css 宽度。如果未明确指定单位
		///		was specified (like 'em' or '%') then &quot;px&quot; is added to the width.  if no parameter is specified, it gets
		///		第一个匹配元素的当前计算的像素宽度。
		///		css 部分
		///	</summary>
		///	<returns type="jquery" type="jquery" />
		///	<param name="cssproperty" type="string">
		///		将 css 属性设置为指定的值。若省略，则获取第一个匹配元素的值。
		///	</param>

		// get window width or height
		var elem = this[0];
		if ( !elem ) {
			return size == null ? null : this;
		}
		
		if ( jquery.isfunction( size ) ) {
			return this.each(function( i ) {
				var self = jquery( this );
				self[ type ]( size.call( this, i, self[ type ]() ) );
			});
		}

		return ("scrollto" in elem && elem.document) ? // does it walk and quack like a window?
			// everyone else use document.documentelement or document.body depending on quirks vs standards mode
			elem.document.compatmode === "css1compat" && elem.document.documentelement[ "client" + name ] ||
			elem.document.body[ "client" + name ] :

			// get document width or height
			(elem.nodetype === 9) ? // is it a document
				// either scroll[width/height] or offset[width/height], whichever is greater
				math.max(
					elem.documentelement["client" + name],
					elem.body["scroll" + name], elem.documentelement["scroll" + name],
					elem.body["offset" + name], elem.documentelement["offset" + name]
				) :

				// get or set width or height on the element
				size === undefined ?
					// get width or height on the element
					jquery.css( elem, type ) :

					// set the width or height on the element (default to pixels if value is unitless)
					this.css( type, typeof size === "string" ? size : size + "px" );
	};

});

// expose jquery to the global object
window.jquery = window.$ = jquery;

})(window);