/*! * jQuery JavaScript Library v1.4 * http://jquery.com/ * * Copyright 2010, John Resig * Dual licensed under the MIT or GPL Version 2 licenses. * http://docs.jquery.com/License * * Includes Sizzle.js * http://sizzlejs.com/ * Copyright 2010, The Dojo Foundation * Released under the MIT, BSD, and GPL Licenses. * 先读1.4的源代码吧, 也可以看看JS这几年的变化,有空去看prototype; * Date: Wed Jan 13 15:23:05 2010 -0500 */(function( window, undefined ) {// Define a local copy of jQueryvar jQuery = function( selector, context ) {        // The jQuery object is actually just the init constructor ‘enhanced‘        return new jQuery.fn.init( selector, context );    },    //保存原来window.jQuery和window.$的数据，避免被重写;    // Map over jQuery in case of overwrite    _jQuery = window.jQuery,    // Map over the $ in case of overwrite    _$ = window.$,    /*     * 1.传入window     * 通过传入window变量,使得window由全局变量变为局部变量     * 当在jQuery代码块中访问window时,不需要将作用域链回退到顶层作用域,这样可以更快的访问window     * 更重要的是,将window作为参数传入,可以在压缩代码时进行优化     * (function(a,b){})(window);window 被优化为 a,压缩后文件更小     * 2.传入undefined     * 是为了在"自调用匿名函数"的作用域内,确信undefined是真的未定义     * 因为undefined能够被重写,赋予新的值      * undefined = "now it‘s defined";     * alert( undefined );     * 浏览器测试结果:     * ------------+----------------------+-------------     *   浏览器       |    测试结果          |   结论     *   ie           |    now it‘s defined  |   可以改变     *   firefox   |    undefined          |   不能改变     *   chrome       |    now it‘s defined  |   可以改变     *   opera       |    now it‘s defined  |   可以改变     * ------------+----------------------+-------------     */    //所有的API东西都是在window下的，直接从window下获取，提高查询的效率;    // Use the correct document accordingly with window argument (sandbox)    document = window.document,    // A central reference to the root jQuery(document)    rootjQuery,    // A simple way to check for HTML strings or ID strings    // (both of which we optimize for)    // ^[^<]匹配非<开头     // (<[\w\W]+>) 匹配闭合的标签;    // [^>]* 非右尖括号的字符,    // 或者#([\w-]+)匹配ID;    quickExpr = /^[^<]*(<[\w\W]+>)[^>]*$|^#([\w-]+)$/,    // Is it a simple selector    //匹配开头是.的字符串, 这个就是匹配class;    isSimple = /^.[^:#\[\.,]*$/,    /*    *匹配非空白字符,匹配[^ \f\n\r\t\v];    *" "\f换页附 \n换行 \r回车 \t制表符 \v垂直制表符;    */    // Check if a string has a non-whitespace character in it    rnotwhite = /\S/,    // Used for trimming whitespace    //匹配开头或者结尾的空格; \u00A0是全角的空格;    rtrim = /^(\s|\u00A0)+|(\s|\u00A0)+$/g,    // Match a standalone tag    // 匹配闭合标签或者是单个标签    // ^<(\w+)\s*\/?> 开头是<,(\w)+至少一个字符串,\s*有或者没有空格,> 闭合标签    // ?:<\/\1>? 可以匹配到或者匹配不到都行    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,        //文档是否加载完毕的标识符;    // Has the ready events already been bound?    readyBound = false,        //DOM加载完毕的执行的函数列表;    // The functions to execute on DOM ready    readyList = [],    //这个闭包内的全局变量;    // The ready event handler    DOMContentLoaded,    // Save a reference to some core methods    //简写, 这样就不用写一大串东东了;    toString = Object.prototype.toString,    hasOwnProperty = Object.prototype.hasOwnProperty,    push = Array.prototype.push,    slice = Array.prototype.slice,    indexOf = Array.prototype.indexOf;jQuery.fn = jQuery.prototype = {    //在高版本有个constructor指向Query自己;    //这个constructor为Object;    //jQ1.8的第三个参数为 rootjQuery;    init: function( selector, context ) {        var match, elem, ret, doc;        // Handle $(""), $(null), or $(undefined)        // or  $(false);        if ( !selector ) {            return this;        }        // Handle $(DOMElement)        if ( selector.nodeType ) {            this.context = this[0] = selector;            this.length = 1;            return this;        }        // Handle HTML strings        if ( typeof selector === "string" ) {            // Are we dealing with HTML string or an ID?            // quickExpr = /^[^<]*(<[\w\W]+>)[^>]*$|^#([\w-]+)$/,            match = quickExpr.exec( selector );            //debugger;            //$("<div></div>") ==>> ["<div></div>", "<div></div>", undefined];            //$("#div1") ==>> ["#div1", undefined, "div1"];            // Verify a match, and that no context was specified for #id            //匹配到东西                           //match[1]有东西说明了是新建的匹配到了                                         //没有上下文说明是匹配到ID的, 也会走进来;            if ( match && (match[1] || !context) ) {                // HANDLE: $(html) -> $(array)                //新建元素;                if ( match[1] ) {                    //指定文档,可能存在跨文档的情况;                    doc = (context ? context.ownerDocument || context : document);                    // If a single string is passed in and it‘s a single tag                    // just do a createElement and skip the rest                    ///^<(\w+)\s*\/?>(?:<\/\1>)?$/,                    ret = rsingleTag.exec( selector );                    if ( ret ) {                        //$("<div>",{xx:1, yy:2});                        if ( jQuery.isPlainObject( context ) ) {                            selector = [ document.createElement( ret[1] ) ];                            jQuery.fn.attr.call( selector, context, true );                        } else {                            //直接创建标签名;                            selector = [ doc.createElement( ret[1] ) ];                        }                    } else {                        //用匹配的内容生成元素;                        ret = buildFragment( [ match[1] ], [ doc ] );                        //对返回的数据进行处理;                        selector = (ret.cacheable ? ret.fragment.cloneNode(true) : ret.fragment).childNodes;                    };                // HANDLE: $("#id")                } else {                    //匹配到ID了;                    elem = document.getElementById( match[2] );                    if ( elem ) {                        // Handle the case where IE and Opera return items                        // by name instead of ID                        //ie6,7的的name和id一样的话,而且name的元素在前面, 会找到name的节点;                        if ( elem.id !== match[2] ) {                            //用sizzle跑就不会出问题了;                            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: $("TAG")            //匹配标签名, 上下问为document;            } else if ( !context && /^\w+$/.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)            //反正是把所有的情况匹配了个遍;            } else {                return jQuery( context ).find( selector );            }        // HANDLE: $(function)        // Shortcut for document ready        } else if ( jQuery.isFunction( selector ) ) {            return rootjQuery.ready( selector );        }        //统一处理,新建节点 等 没有返回的元素;        if (selector.selector !== undefined) {            this.selector = selector.selector;            this.context = selector.context;        };        //$("<div>sdfsdf</div>") ==>> $("<div>sdfsdf</div>")        //转化成jQ数组        return jQuery.isArray( selector ) ?            this.setArray( selector ) :            jQuery.makeArray( selector, this );    },    // Start with an empty selector    //这个selector是在原型上的;    selector: "",    // The current version of jQuery being used    jquery: "1.4",    //也是原型上的,会被重写的;    // The default length of a jQuery object is 0    length: 0,    // The number of elements contained in the matched element set    size: function() {        return this.length;    },    //通过slice转化成纯数组;    toArray: function() {        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 ) {        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)    // $(el).pushStack("#idid")返回找到的元素,原来的el保存到prevObject里面了;    pushStack: function( elems, name, selector ) {        // Build a new jQuery matched element set        var ret = jQuery( elems || null );        //debugger;        // 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 ) {            //div.slice();            //div.slice(0,4);            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    //强制设置当前对象的元素为elems;    setArray: function( elems ) {        // 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.)    //调用工具方法, 有第二个参数args;    each: function( callback, args ) {        return jQuery.each( this, callback, args );    },        ready: function( fn ) {        // 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 ) {        return i === -1 ?            this.slice( i ) :            this.slice( i, +i + 1 );    },    first: function() {        return this.eq( 0 );    },    last: function() {        return this.eq( -1 );    },    slice: function() {        //感觉pushStack的第三个参数没啥用;        return this.pushStack( slice.apply( this, arguments ),            "slice", slice.call(arguments).join(",") );    },    map: function( callback ) {        //迭代this, 返回新的this;        return this.pushStack( jQuery.map(this, function( elem, i ) {            return callback.call( elem, i, elem );        }));    },        end: function() {        return this.prevObject || jQuery(null);    },    // For internal use only.    // Behaves like an Array‘s method, not like a jQuery method.    push: push,    sort: [].sort,    splice: [].splice};// Give the init function the jQuery prototype for later instantiationjQuery.fn.init.prototype = jQuery.fn;//jQuery中的继承的方法, 复制继承;jQuery.extend = jQuery.fn.extend = function() {    // 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    //如果是jQuery.extend就继承到jQuery上面去,    //如果是jQuery.fn.extend就继承到jQuery.fn上面去;    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;                }                //深度继承, 如果源对象上没有就用新建对象;                //然后重新跑深度继承;                // 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                //基本的对象number, string, boolean就复制 , object就赋址;                } else if ( copy !== undefined ) {                    target[ name ] = copy;                }            }        }    }    // Return the modified object    return target;};jQuery.extend({    //    noConflict: function( deep ) {        window.$ = _$;        if ( deep ) {            window.jQuery = _jQuery;        }        return jQuery;    },        // Is the DOM ready to be used? Set to true once it occurs.    isReady: false,        //document绑定了事件, 如果到时间的话就会走ready;    // Handle when the DOM is ready    ready: function() {        //没执行过的话        // Make sure that the DOM is not already loaded        if ( !jQuery.isReady ) {            // Make sure body exists, at least, in case IE gets a little overzealous (ticket #5443).            //如果在body还没加载完毕就执行$.ready()就延迟一点在执行这个函数;            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;                //逐个执行;                while ( (fn = readyList[ i++ ]) ) {                    fn.call( document, jQuery );                }                // Reset the list of functions                readyList = null;            }            //可以为dom添加自定义事件;            // 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 onl oad,            // 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 ) {        return toString.call(obj) === "[object Function]";    },    isArray: function( obj ) {        return toString.call(obj) === "[object Array]";    },    isPlainObject: function( obj ) {        // 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 ) {        for ( var name in obj ) {            return false;        }        return true;    },    noop: function() {},    // Evalulates a script in a global context    globalEval: function( data ) {        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 ) {        return elem.nodeName && elem.nodeName.toUpperCase() === name.toUpperCase();    },    // args is for internal usage only    each: function( object, callback, args ) {        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 = http://www.mamicode.com/object[0];                    i < length && callback.call( value, i, value ) !== false; value = http://www.mamicode.com/object[++i] ) {}            }        }        return object;    },    trim: function( text ) {        return (text || "").replace( rtrim, "" );    },    // results is for internal usage only    makeArray: function( array, results ) {        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 ) {        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 ) {        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 ) {        var ret = [], value;        // Go through the array, translating each of the items to their        // new value (or values).        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 );    },    // A global GUID counter for objects    guid: 1,    proxy: function( fn, proxy, thisObject ) {        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 ) {        var ret = { browser: "" };        ua = ua.toLowerCase();        if ( /webkit/.test( ua ) ) {            ret = { browser: "webkit", version: /webkit[\/ ]([\w.]+)/ };        } else if ( /opera/.test( ua ) ) {            ret = { browser: "opera", version:  /version/.test( ua ) ? /version[\/ ]([\w.]+)/ : /opera[\/ ]([\w.]+)/ };                    } else if ( /msie/.test( ua ) ) {            ret = { browser: "msie", version: /msie ([\w.]+)/ };        } else if ( /mozilla/.test( ua ) && !/compatible/.test( ua ) ) {            ret = { browser: "mozilla", version: /rv:([\w.]+)/ };        }        ret.version = (ret.version && ret.version.exec( ua ) || [0, "0"])[1];        return ret;    },    browser: {}});browserMatch = jQuery.uaMatch( userAgent );if ( browserMatch.browser ) {    jQuery.browser[ browserMatch.browser ] = true;    jQuery.browser.version = browserMatch.version;}// Deprecated, use jQuery.browser.webkit insteadif ( jQuery.browser.webkit ) {    jQuery.browser.safari = true;}if ( indexOf ) {    jQuery.inArray = function( elem, array ) {        return indexOf.call( array, elem );    };}// All jQuery objects should point back to theserootjQuery = jQuery(document);// Cleanup functions for the document ready methodif ( 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 Explorerfunction 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();}if ( indexOf ) {    jQuery.inArray = function( elem, array ) {        return indexOf.call( array, elem );    };}function evalScript( i, elem ) {    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 functionfunction 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() {    return (new Date).getTime();}(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=http://www.mamicode.com/‘/a‘ style=‘color:red;float:left;opacity:.55;‘>a";    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: div.firstChild.nodeType === 3,        // Make sure that tbody elements aren‘t automatically inserted        // IE will insert them into empty tables        tbody: !div.getElementsByTagName("tbody").length,        // Make sure that link elements get serialized correctly by innerHTML        // This requires a wrapper element in IE        htmlSerialize: !!div.getElementsByTagName("link").length,        // Get the style information from getAttribute        // (IE uses .cssText insted)        style: /red/.test( a.getAttribute("style") ),        // Make sure that URLs aren‘t manipulated        // (IE normalizes it by default)        hrefNormalized: a.getAttribute("href") === "/a",        // Make sure that element opacity exists        // (IE uses filter instead)        // Use a regex to work around a WebKit issue. See #5145        opacity: /^0.55$/.test( a.style.opacity ),        // Verify style float existence        // (IE uses styleFloat instead of cssFloat)        cssFloat: !!a.style.cssFloat,        // Make sure that if no value is specified for a checkbox        // that it defaults to "on".        // (WebKit defaults to "" instead)        checkOn: div.getElementsByTagName("input")[0].value =http://www.mamicode.com/=="on",        // 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: document.createElement("select").appendChild( document.createElement("option") ).selected,        // Will be defined later        scriptEval: false,        noCloneEvent: true,        boxModel: null    };    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");    }    // Figure out if the W3C box model works as expected    // document.body must exist before we can do this    // TODO: This timeout is temporary until I move ready into core.js.    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 = eventSupported("submit");    jQuery.support.changeBubbles = eventSupported("change");    // 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 =http://www.mamicode.com/ {};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 ) {        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 =http://www.mamicode.com/=="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 ) {        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 =http://www.mamicode.com/== undefined ) {            var data = http://www.mamicode.com/this.triggerHandler("getData" + parts[1] + "!", [parts[0]]);            if ( data =http://www.mamicode.com/== undefined && this.length ) {                data = jQuery.data( this[0], key );            }            return data =http://www.mamicode.com/== undefined && parts[1] ?"color: #0000ff;">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 ) {        if ( typeof type !== "string" ) {            data = type;            type = "fx";        }        if ( data =http://www.mamicode.com/== 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 ) {        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 ) {        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 ) {        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 ) {        return access( this, name, value, true, jQuery.attr );    },    removeAttr: function( name, fn ) {        return this.each(function(){            jQuery.attr( this, name, "" );            if ( this.nodeType === 1 ) {                this.removeAttribute( name );            }        });    },    addClass: function( value ) {        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 =http://www.mamicode.com/=="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 ) {        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 =http://www.mamicode.com/=="string") || value =http://www.mamicode.com/== 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 ) {        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 =http://www.mamicode.com/== false ? "" : jQuery.data( this, "__className__" ) || "";            }        });    },    hasClass: function( selector ) {        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 ) {        if ( value =http://www.mamicode.com/== 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 =http://www.mamicode.com/ 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 =http://www.mamicode.com/ 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 ) {        // 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 ) {                        throw "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 ) {        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 =http://www.mamicode.com/ 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();            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;                     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 ) {        // 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 */ ) {        // 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 =http://www.mamicode.com/ 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 nativeFn, nativeHandler;        try {            if ( !(elem && elem.nodeName && jQuery.noData[elem.nodeName.toLowerCase()]) ) {                nativeFn = elem[ type ];                nativeHandler = elem[ "on" + type ];            }        // prevent IE from throwing an error for some elements with some event types, see #3533        } catch (e) {}        var isClick = jQuery.nodeName(elem, "a") && type === "click";        // Trigger the native events (except for clicks on links)        if ( !bubbling && nativeFn && !event.isDefaultPrevented() && !isClick ) {            this.triggered = true;            try {                elem[ type ]();            // prevent IE from throwing an error for some hidden elements            } catch (e) {}        // Handle triggering native .onfoo handlers        } else if ( nativeHandler && elem[ "on" + type ].apply( elem, data ) === false ) {            event.result = false;        }        this.triggered = false;        if ( !event.isPropagationStopped() ) {            var parent = elem.parentNode || elem.ownerDocument;            if ( parent ) {                jQuery.event.trigger( event, data, parent, true );            }        }    },    handle: function( event ) {        // 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 ) {        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;                 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.htmljQuery.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 = http://www.mamicode.com/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 handlersvar 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 eventsjQuery.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 delegationif ( !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);        if ( val === data ) {            return;        }        // the current data will be also retrieved by beforeactivate        if ( e.type !== "focusout" || elem.type !== "radio" ) {            jQuery.data( elem, "_change_data", val );        }        if ( elem.type !== "select" && (data != null || val) ) {            e.type = "change";            return jQuery.event.trigger( e, arguments[1], this );        }}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 eventsif ( document.addEventListener ) {    jQuery.each({ focus: "focusin", blur: "focusout" }, function( orig, fix ) {        jQuery.event.special[ fix ] = {            setup: function() {                this.addEventListener( orig, handler, true );            },             teardown: function() {                 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 ) ) {            thisObject = fn;            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, thisObject ) :            this.each(function() {                jQuery.event.add( this, type, handler, data );            });    };});jQuery.fn.extend({    unbind: function( type, fn ) {        // 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 ) {        return this.each(function() {            jQuery.event.trigger( type, data, this );        });    },    triggerHandler: function( type, data ) {        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 ) {        // 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 ) {        return this.mouseenter( fnOver ).mouseleave( fnOut || fnOver );    },    live: function( type, data, fn ) {        if ( jQuery.isFunction( data ) ) {            fn = data;            data = undefined;        }        jQuery( this.context ).bind( liveConvert( type, this.selector ), {            data: data, selector: this.selector, live: type        }, fn );        return this;    },    die: function( type, fn ) {        jQuery( this.context ).unbind( liveConvert( type, this.selector ), fn ? { guid: fn.guid + this.selector + type } : null );        return this;    }});function liveHandler( event ) {    var stop = true, elems = [], selectors = [], args = arguments,        related, match, fn, elem, j, i, data,        live = jQuery.extend({}, jQuery.data( this, "events" ).live);    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, selector.replace(/\./g, "`").replace(/ /g, "&")].join(".");}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;    }});// 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 ) {        throw "Syntax error, unrecognized expression: " + (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){    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 ) {                throw "Syntax error, unrecognized expression: " + expr;            } else {                break;            }        }        old = expr;    }    return curLoop;};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){            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 {                throw "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 nodesfunction 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;}// 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 =http://www.mamicode.com/== 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 =http://www.mamicode.com/== match;        };    }    root.removeChild( form );    root = form = null; // release memory in IE})();(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=http://www.mamicode.com/‘#‘>";    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){    return a.compareDocumentPosition(b) & 16;} : function(a, b){    return a !== b && (a.contains ? a.contains(b) : true);};var isXML = function(elem){    // 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 );};// EXPOSEjQuery.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 notvar 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, elements );        }    }    return jQuery.grep(elements, function( elem, i ) {        return (jQuery.inArray( elem, qualifier ) >= 0) === keep;    });};jQuery.fn.extend({    find: function( selector ) {        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 ) {                // Make sure that the results are unique                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 ) {        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 ) {        return this.pushStack( winnow(this, selector, false), "not", selector);    },    filter: function( selector ) {        return this.pushStack( winnow(this, selector, true), "filter", selector );    },        is: function( selector ) {        return !!selector && jQuery.filter( selector, this ).length > 0;    },    closest: function( selectors, context ) {        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 ) {        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 ) {        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() {        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" );    },    parentsUntil: function( elem, i, until ) {        return jQuery.dir( elem, "parentNode", until );    },    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" );    },    nextUntil: function( elem, i, until ) {        return jQuery.dir( elem, "nextSibling", until );    },    prevUntil: function( elem, i, until ) {        return jQuery.dir( elem, "previousSibling", until );    },    siblings: function( elem ) {        return jQuery.sibling( elem.parentNode.firstChild, elem );    },    children: function( elem ) {        return jQuery.sibling( elem.firstChild );    },    contents: function( elem ) {        return 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.extend({    filter: function( expr, elems, not ) {        if ( not ) {            expr = ":not(" + expr + ")";        }        return jQuery.find.matches(expr, elems);    },        dir: function( elem, dir, until ) {        var matched = [], cur = elem[dir];        while ( cur && cur.nodeType !== 9 && (until === undefined || !jQuery( cur ).is( until )) ) {            if ( cur.nodeType === 1 ) {                matched.push( cur );            }            cur = cur[dir];        }        return matched;    },    nth: function( cur, result, dir, elem ) {        result = result || 1;        var num = 0;        for ( ; cur; cur = cur[dir] ) {            if ( cur.nodeType === 1 && ++num === result ) {                break;            }        }        return cur;    },    sibling: function( n, elem ) {        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+;/,    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 normallyif ( !jQuery.support.htmlSerialize ) {    wrapMap._default = [ 1, "div<div>", "</div>" ];}jQuery.fn.extend({    text: function( text ) {        if ( jQuery.isFunction(text) ) {            return this.each(function(i) {                var self = jQuery(this);                return 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 ) {        if ( jQuery.isFunction( html ) ) {            return this.each(function(i) {                jQuery(this).wrapAll( html.call(this, i) );            });        }        if ( this[0] ) {            // The elements to wrap the target around            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 ) {        return this.each(function() {            var self = jQuery( this ), contents = self.contents();            if ( contents.length ) {                contents.wrapAll( html );            } else {                self.append( html );            }        });    },    wrap: function( html ) {        return this.each(function() {            jQuery( this ).wrapAll( html );        });    },    unwrap: function() {        return this.parent().each(function() {            if ( !jQuery.nodeName( this, "body" ) ) {                jQuery( this ).replaceWith( this.childNodes );            }        }).end();    },    append: function() {        return this.domManip(arguments, true, function( elem ) {            if ( this.nodeType === 1 ) {                this.appendChild( elem );            }        });    },    prepend: function() {        return this.domManip(arguments, true, function( elem ) {            if ( this.nodeType === 1 ) {                this.insertBefore( elem, this.firstChild );            }        });    },    before: function() {        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() {        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 ) {        // 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 ) {        if ( value =http://www.mamicode.com/== 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 =http://www.mamicode.com/=="string" && !/<script/i.test( value ) &&            (jQuery.support.leadingWhitespace || !rleadingWhitespace.test( value )) &&            !wrapMap[ (rtagName.exec( value ) || ["", ""])[1].toLowerCase() ] ) {            try {                for ( var i = 0, l = this.length; i < l; i++ ) {                    // Remove element nodes and prevent memory leaks                    if ( this[i].nodeType === 1 ) {                        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 ) {        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();            }            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 ) {        return this.remove( selector, true );    },    domManip: function( args, table, callback ) {        var results, first, value = http://www.mamicode.com/args[0], scripts = [];        if ( jQuery.isFunction(value) ) {            return this.each(function(i) {                var self = jQuery(this);                args[0] = value.call(this, i, table ? self.html() : undefined);                return 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 = http://www.mamicode.com/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, cached, cacheresults, doc;    if ( args.length === 1 && typeof args[0] === "string" && args[0].length < 512 && args[0].indexOf("<option") < 0 ) {        cacheable = true;        cacheresults = jQuery.fragments[ args[0] ];        if ( cacheresults ) {            if ( cacheresults !== 1 ) {                fragment = cacheresults;            }            cached = true;        }    }    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.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 ) {                cleanData( this.getElementsByTagName("*") );                cleanData( [ this ] );            }            if ( this.parentNode ) {                 this.parentNode.removeChild( this );            }        }    },    empty: function() {        // Remove element nodes and prevent memory leaks        if ( this.nodeType === 1 ) {            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 ) {        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;    }});function cleanData( elems ) {    for ( var i = 0, elem, id; (elem = elems[i]) != null; i++ ) {        if ( !jQuery.noData[elem.nodeName.toLowerCase()] && (id = elem[expando]) ) {            delete jQuery.cache[ id ];        }    }}// exclude the following css properties to add pxvar 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 ) {    return access( this, name, value, true, function( elem, name, value ) {        if ( value =http://www.mamicode.com/== undefined ) {            return jQuery.curCSS( elem, name );        }                if ( typeof value =http://www.mamicode.com/=="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 ) {        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 ) {        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 ) {        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 ) {        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";            }        }        // Request the remote document        jQuery.ajax({            url: url,            type: type,            dataType: "html",            data: params,            context:this,            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                    this.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 ) {                    this.each( callback, [res.responseText, status, res] );                }            }        });        return this;    },    serialize: function() {        return jQuery.param(this.serializeArray());    },    serializeArray: function() {        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 eventsjQuery.each( "ajaxStart ajaxStop ajaxComplete ajaxError ajaxSuccess ajaxSend".split(" "), function( i, o ) {    jQuery.fn[o] = function( f ) {        return this.bind(o, f);    };});jQuery.extend({    get: function( url, data, callback, type ) {        // 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 ) {        return jQuery.get(url, null, callback, "script");    },    getJSON: function( url, data, callback ) {        return jQuery.get(url, data, callback, "json");    },    post: function( url, data, callback, type ) {        // 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 ) {        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 ) {        var s = jQuery.extend(true, {}, jQuery.ajaxSettings, origSettings);                var jsonp, status, data,            callbackContext = s.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 ) {                // 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";                if ( status === "success" ) {                    // Watch for, and catch, XML document parse errors                    try {                        // process the data (runs the xml through httpData regardless of callback)                        data =http://www.mamicode.com/ jQuery.httpData( xhr, s.dataType, s );                    } catch(e) {                        status = "parsererror";                    }                }                // 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);                }                // 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 );                    if ( xhr ) {                        xhr.readyState = 0;                    }                }                onreadystatechange();            };        } 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 ) {        // If a local callback was specified, fire it        if ( s.error ) {            s.error.call( s.context || window, 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 ) {        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 ) {        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 ) {        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" ) {            throw "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 =http://www.mamicode.com/=="string" ) {            // Get the JavaScript object, if JSON is used.            if ( type === "json" || !type && ct.indexOf("json") >= 0 ) {                // 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                    if ( window.JSON && window.JSON.parse ) {                        data = window.JSON.parse( data );                    } else {                        data = (new Function("return " + data))();                    }                } else {                    throw "Invalid JSON: " + 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 ) {                var s = [];                // Set traditional to true for jQuery <= 1.3.2 behavior.        if ( traditional === undefined ) {            traditional = jQuery.ajaxSettings.traditional;        }                function add( key, value ) {            // If value is a function, invoke it and return its value            value = http://www.mamicode.com/jQuery.isFunction(value) ? value() : value;            s[ s.length ] = encodeURIComponent(key) + "=" + encodeURIComponent(value);        }                // 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.            jQuery.each( a, 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 );                }            });        }                // Return the resulting serialization        return s.join("&").replace(r20, "+");    }});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 ) {        if ( speed != null ) {            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 ) {        if ( speed != null ) {            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 ) {        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 ) {        return this.filter(":hidden").css("opacity", 0).show().end()                    .animate({opacity: to}, speed, callback);    },    animate: function( prop, speed, easing, callback ) {        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 ) {        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 animationsjQuery.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.extend({    speed: function( speed, easing, fn ) {        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 ) {            return firstNum + diff * p;        },        swing: function( p, n, firstNum, diff ) {            return ((-Math.cos(p*Math.PI)/2) + 0.5) * diff + firstNum;        }    },    timers: [],    fx: function( elem, options, prop ) {        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() {        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 ) {        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() {        // 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() {        // 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 ) {        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 ) {        var elem = this[0];        if ( !elem || !elem.ownerDocument ) {            return null;        }        if ( options ) {             return this.each(function( i ) {                jQuery.offset.setOffset( this, options, i );            });        }        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 ) {        var elem = this[0];        if ( !elem || !elem.ownerDocument ) {            return null;        }        if ( options ) {             return this.each(function( i ) {                jQuery.offset.setOffset( this, options, i );            });        }        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() {        if ( !this[0] ) {            return null;        }        var elem = this[0],        // Get *real* offsetParent        offsetParent = this.offsetParent(),        // Get correct offsets        offset       = this.offset(),        parentOffset = /^body|html$/i.test(offsetParent[0].nodeName) ? { top: 0, left: 0 } : offsetParent.offset();        // Subtract element margins        // note: when an element has margin: auto the offsetLeft and marginLeft        // are the same in Safari causing offset.left to incorrectly be 0        offset.top  -= parseFloat( jQuery.curCSS(elem, "marginTop",  true) ) || 0;        offset.left -= parseFloat( jQuery.curCSS(elem, "marginLeft", true) ) || 0;        // Add offsetParent borders        parentOffset.top  += parseFloat( jQuery.curCSS(offsetParent[0], "borderTopWidth",  true) ) || 0;        parentOffset.left += parseFloat( jQuery.curCSS(offsetParent[0], "borderLeftWidth", true) ) || 0;        // Subtract the two offsets        return {            top:  offset.top  - parentOffset.top,            left: offset.left - parentOffset.left        };    },    offsetParent: function() {        return this.map(function() {            var offsetParent = this.offsetParent || document.body;            while ( offsetParent && (!/^body|html$/i.test(offsetParent.nodeName) && jQuery.css(offsetParent, "position") === "static") ) {                offsetParent = offsetParent.offsetParent;            }            return offsetParent;        });    }});// Create scrollLeft and scrollTop methodsjQuery.each( ["Left", "Top"], function( i, name ) {    var method = "scroll" + name;    jQuery.fn[ method ] = function(val) {        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 methodsjQuery.each([ "Height", "Width" ], function( i, name ) {    var type = name.toLowerCase();    // innerHeight and innerWidth    jQuery.fn["inner" + name] = function() {        return this[0] ?            jQuery.css( this[0], type, false, "padding" ) :            null;    };    // outerHeight and outerWidth    jQuery.fn["outer" + name] = function( margin ) {        return this[0] ?            jQuery.css( this[0], type, false, margin ? "margin" : "border" ) :            null;    };    jQuery.fn[ type ] = function( size ) {        // Get window width or height        var elem = this[0];        if ( !elem ) {            return size == null ? null : this;        }        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 objectwindow.jQuery = window.$ = jQuery;})(window);