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/*!
 * jQuery JavaScript Library v1.4.4
 * http://jquery.com/
 *
 * Copyright 2010, John Resig
 * Dual licensed under the MIT or GPL Version 2 licenses.
 * http://jquery.org/license
 *
 * Includes Sizzle.js
 * http://sizzlejs.com/
 * Copyright 2010, The Dojo Foundation
 * Released under the MIT, BSD, and GPL Licenses.
 *
 * Date: Thu Nov 11 19:04:53 2010 -0500
 */
(function( window, undefined ) {

// Use the correct document accordingly with window argument (sandbox)
var document = window.document;
var jQuery = (function() {

// Define a local copy of jQuery
var jQuery = function( selector, context ) {
                // The jQuery object is actually just the init constructor 'enhanced'
                return new jQuery.fn.init( selector, context );
        },

        // Map over jQuery in case of overwrite
        _jQuery = window.jQuery,

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

        // A central reference to the root jQuery(document)
        rootjQuery,

        // A simple way to check for HTML strings or ID strings
        // (both of which we optimize for)
        quickExpr = /^(?:[^<]*(<[\w\W]+>)[^>]*$|#([\w\-]+)$)/,

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

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

        // Used for trimming whitespace
        trimLeft = /^\s+/,
        trimRight = /\s+$/,

        // Check for non-word characters
        rnonword = /\W/,

        // Check for digits
        rdigit = /\d/,

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

        // JSON RegExp
        rvalidchars = /^[\],:{}\s]*$/,
        rvalidescape = /\\(?:["\\\/bfnrt]|u[0-9a-fA-F]{4})/g,
        rvalidtokens = /"[^"\\\n\r]*"|true|false|null|-?\d+(?:\.\d*)?(?:[eE][+\-]?\d+)?/g,
        rvalidbraces = /(?:^|:|,)(?:\s*\[)+/g,

        // Useragent RegExp
        rwebkit = /(webkit)[ \/]([\w.]+)/,
        ropera = /(opera)(?:.*version)?[ \/]([\w.]+)/,
        rmsie = /(msie) ([\w.]+)/,
        rmozilla = /(mozilla)(?:.*? rv:([\w.]+))?/,

        // Keep a UserAgent string for use with jQuery.browser
        userAgent = navigator.userAgent,

        // For matching the engine and version of the browser
        browserMatch,
        
        // Has the ready events already been bound?
        readyBound = false,
        
        // The functions to execute on DOM ready
        readyList = [],

        // The ready event handler
        DOMContentLoaded,

        // Save a reference to some core methods
        toString = Object.prototype.toString,
        hasOwn = Object.prototype.hasOwnProperty,
        push = Array.prototype.push,
        slice = Array.prototype.slice,
        trim = String.prototype.trim,
        indexOf = Array.prototype.indexOf,
        
        // [[Class]] -> type pairs
        class2type = {};

jQuery.fn = jQuery.prototype = {
        init: function( selector, context ) {
                var match, elem, ret, doc;

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

                // Handle $(DOMElement)
                if ( selector.nodeType ) {
                        this.context = this[0] = selector;
                        this.length = 1;
                        return this;
                }
                
                // The body element only exists once, optimize finding it
                if ( selector === "body" && !context && document.body ) {
                        this.context = document;
                        this[0] = document.body;
                        this.selector = "body";
                        this.length = 1;
                        return this;
                }

                // Handle HTML strings
                if ( typeof selector === "string" ) {
                        // Are we dealing with HTML string or an ID?
                        match = quickExpr.exec( selector );

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

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

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

                                        if ( ret ) {
                                                if ( jQuery.isPlainObject( context ) ) {
                                                        selector = [ document.createElement( ret[1] ) ];
                                                        jQuery.fn.attr.call( selector, context, true );

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

                                        } else {
                                                ret = jQuery.buildFragment( [ match[1] ], [ doc ] );
                                                selector = (ret.cacheable ? ret.fragment.cloneNode(true) : ret.fragment).childNodes;
                                        }
                                        
                                        return jQuery.merge( this, selector );
                                        
                                // HANDLE: $("#id")
                                } else {
                                        elem = document.getElementById( match[2] );

                                        // Check parentNode to catch when Blackberry 4.6 returns
                                        // nodes that are no longer in the document #6963
                                        if ( elem && elem.parentNode ) {
                                                // Handle the case where IE and Opera return items
                                                // by name instead of ID
                                                if ( elem.id !== match[2] ) {
                                                        return rootjQuery.find( selector );
                                                }

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

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

                        // HANDLE: $("TAG")
                        } else if ( !context && !rnonword.test( selector ) ) {
                                this.selector = selector;
                                this.context = document;
                                selector = document.getElementsByTagName( selector );
                                return jQuery.merge( this, selector );

                        // HANDLE: $(expr, $(...))
                        } else if ( !context || context.jquery ) {
                                return (context || rootjQuery).find( selector );

                        // HANDLE: $(expr, context)
                        // (which is just equivalent to: $(context).find(expr)
                        } else {
                                return jQuery( context ).find( selector );
                        }

                // HANDLE: $(function)
                // Shortcut for document ready
                } else if ( jQuery.isFunction( selector ) ) {
                        return rootjQuery.ready( selector );
                }

                if (selector.selector !== undefined) {
                        this.selector = selector.selector;
                        this.context = selector.context;
                }

                return jQuery.makeArray( selector, this );
        },

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

        // The current version of jQuery being used
        jquery: "1.4.4",

        // 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;
        },

        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)
        pushStack: function( elems, name, selector ) {
                // Build a new jQuery matched element set
                var ret = jQuery();

                if ( jQuery.isArray( elems ) ) {
                        push.apply( ret, elems );
                
                } else {
                        jQuery.merge( ret, elems );
                }

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

                ret.context = this.context;

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

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

        // Execute a callback for every element in the matched set.
        // (You can seed the arguments with an array of args, but this is
        // only used internally.)
        each: function( callback, args ) {
                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() {
                return this.pushStack( slice.apply( this, arguments ),
                        "slice", slice.call(arguments).join(",") );
        },

        map: function( callback ) {
                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 instantiation
jQuery.fn.init.prototype = jQuery.fn;

jQuery.extend = jQuery.fn.extend = function() {
         var options, name, src, copy, copyIsArray, clone,
                target = arguments[0] || {},
                i = 1,
                length = arguments.length,
                deep = false;

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

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

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

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

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

                                // Recurse if we're merging plain objects or arrays
                                if ( deep && copy && ( jQuery.isPlainObject(copy) || (copyIsArray = jQuery.isArray(copy)) ) ) {
                                        if ( copyIsArray ) {
                                                copyIsArray = false;
                                                clone = src && jQuery.isArray(src) ? src : [];

                                        } else {
                                                clone = src && jQuery.isPlainObject(src) ? src : {};
                                        }

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

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

        // Return the modified object
        return target;
};

jQuery.extend({
        noConflict: function( deep ) {
                window.$ = _$;

                if ( deep ) {
                        window.jQuery = _jQuery;
                }

                return jQuery;
        },
        
        // Is the DOM ready to be used? Set to true once it occurs.
        isReady: false,

        // A counter to track how many items to wait for before
        // the ready event fires. See #6781
        readyWait: 1,
        
        // Handle when the DOM is ready
        ready: function( wait ) {
                // A third-party is pushing the ready event forwards
                if ( wait === true ) {
                        jQuery.readyWait--;
                }

                // Make sure that the DOM is not already loaded
                if ( !jQuery.readyWait || (wait !== true && !jQuery.isReady) ) {
                        // Make sure body exists, at least, in case IE gets a little overzealous (ticket #5443).
                        if ( !document.body ) {
                                return setTimeout( jQuery.ready, 1 );
                        }

                        // Remember that the DOM is ready
                        jQuery.isReady = true;

                        // If a normal DOM Ready event fired, decrement, and wait if need be
                        if ( wait !== true && --jQuery.readyWait > 0 ) {
                                return;
                        }

                        // If there are functions bound, to execute
                        if ( readyList ) {
                                // Execute all of them
                                var fn,
                                        i = 0,
                                        ready = readyList;

                                // Reset the list of functions
                                readyList = null;

                                while ( (fn = ready[ i++ ]) ) {
                                        fn.call( document, jQuery );
                                }

                                // Trigger any bound ready events
                                if ( jQuery.fn.trigger ) {
                                        jQuery( document ).trigger( "ready" ).unbind( "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" ) {
                        // Handle it asynchronously to allow scripts the opportunity to delay ready
                        return setTimeout( jQuery.ready, 1 );
                }

                // Mozilla, Opera and webkit nightlies currently support this event
                if ( document.addEventListener ) {
                        // Use the handy event callback
                        document.addEventListener( "DOMContentLoaded", DOMContentLoaded, false );
                        
                        // A fallback to window.onload, that will always work
                        window.addEventListener( "load", jQuery.ready, false );

                // If IE event model is used
                } else if ( document.attachEvent ) {
                        // ensure firing before onload,
                        // maybe late but safe also for iframes
                        document.attachEvent("onreadystatechange", DOMContentLoaded);
                        
                        // A fallback to window.onload, that will always work
                        window.attachEvent( "onload", jQuery.ready );

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

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

                        if ( document.documentElement.doScroll && toplevel ) {
                                doScrollCheck();
                        }
                }
        },

        // See test/unit/core.js for details concerning isFunction.
        // Since version 1.3, DOM methods and functions like alert
        // aren't supported. They return false on IE (#2968).
        isFunction: function( obj ) {
                return jQuery.type(obj) === "function";
        },

        isArray: Array.isArray || function( obj ) {
                return jQuery.type(obj) === "array";
        },

        // A crude way of determining if an object is a window
        isWindow: function( obj ) {
                return obj && typeof obj === "object" && "setInterval" in obj;
        },

        isNaN: function( obj ) {
                return obj == null || !rdigit.test( obj ) || isNaN( obj );
        },

        type: function( obj ) {
                return obj == null ?
                        String( obj ) :
                        class2type[ toString.call(obj) ] || "object";
        },

        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 || jQuery.type(obj) !== "object" || obj.nodeType || jQuery.isWindow( obj ) ) {
                        return false;
                }
                
                // Not own constructor property must be Object
                if ( obj.constructor &&
                        !hasOwn.call(obj, "constructor") &&
                        !hasOwn.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 || hasOwn.call( obj, key );
        },

        isEmptyObject: function( obj ) {
                for ( var name in obj ) {
                        return false;
                }
                return true;
        },
        
        error: function( msg ) {
                throw msg;
        },
        
        parseJSON: function( data ) {
                if ( typeof data !== "string" || !data ) {
                        return null;
                }

                // Make sure leading/trailing whitespace is removed (IE can't handle it)
                data = jQuery.trim( data );
                
                // Make sure the incoming data is actual JSON
                // Logic borrowed from http://json.org/json2.js
                if ( rvalidchars.test(data.replace(rvalidescape, "@")
                        .replace(rvalidtokens, "]")
                        .replace(rvalidbraces, "")) ) {

                        // Try to use the native JSON parser first
                        return window.JSON && window.JSON.parse ?
                                window.JSON.parse( data ) :
                                (new Function("return " + data))();

                } else {
                        jQuery.error( "Invalid JSON: " + data );
                }
        },

        noop: function() {},

        // 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 = object[0];
                                        i < length && callback.call( value, i, value ) !== false; value = object[++i] ) {}
                        }
                }

                return object;
        },

        // Use native String.trim function wherever possible
        trim: trim ?
                function( text ) {
                        return text == null ?
                                "" :
                                trim.call( text );
                } :

                // Otherwise use our own trimming functionality
                function( text ) {
                        return text == null ?
                                "" :
                                text.toString().replace( trimLeft, "" ).replace( trimRight, "" );
                },

        // 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)
                        // Tweaked logic slightly to handle Blackberry 4.7 RegExp issues #6930
                        var type = jQuery.type(array);

                        if ( array.length == null || type === "string" || type === "function" || type === "regexp" || jQuery.isWindow( array ) ) {
                                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 = [], retVal;
                inv = !!inv;

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

        // Mutifunctional method to get and set values to a collection
        // The value/s can be optionally by executed if its a function
        access: function( elems, key, value, exec, fn, pass ) {
                var length = elems.length;
        
                // Setting many attributes
                if ( typeof key === "object" ) {
                        for ( var k in key ) {
                                jQuery.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 ) : undefined;
        },

        now: function() {
                return (new Date()).getTime();
        },

        // Use of jQuery.browser is frowned upon.
        // More details: http://docs.jquery.com/Utilities/jQuery.browser
        uaMatch: function( ua ) {
                ua = ua.toLowerCase();

                var match = rwebkit.exec( ua ) ||
                        ropera.exec( ua ) ||
                        rmsie.exec( ua ) ||
                        ua.indexOf("compatible") < 0 && rmozilla.exec( ua ) ||
                        [];

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

        browser: {}
});

// Populate the class2type map
jQuery.each("Boolean Number String Function Array Date RegExp Object".split(" "), function(i, name) {
        class2type[ "[object " + name + "]" ] = name.toLowerCase();
});

browserMatch = jQuery.uaMatch( userAgent );
if ( browserMatch.browser ) {
        jQuery.browser[ browserMatch.browser ] = true;
        jQuery.browser.version = browserMatch.version;
}

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

if ( indexOf ) {
        jQuery.inArray = function( elem, array ) {
                return indexOf.call( array, elem );
        };
}

// Verify that \s matches non-breaking spaces
// (IE fails on this test)
if ( !rwhite.test( "\xA0" ) ) {
        trimLeft = /^[\s\xA0]+/;
        trimRight = /[\s\xA0]+$/;
}

// All jQuery objects should point back to these
rootjQuery = jQuery(document);

// Cleanup functions for the document ready method
if ( document.addEventListener ) {
        DOMContentLoaded = function() {
                document.removeEventListener( "DOMContentLoaded", DOMContentLoaded, false );
                jQuery.ready();
        };

} else if ( document.attachEvent ) {
        DOMContentLoaded = function() {
                // Make sure body exists, at least, in case IE gets a little overzealous (ticket #5443).
                if ( document.readyState === "complete" ) {
                        document.detachEvent( "onreadystatechange", DOMContentLoaded );
                        jQuery.ready();
                }
        };
}

// The DOM ready check for Internet Explorer
function doScrollCheck() {
        if ( jQuery.isReady ) {
                return;
        }

        try {
                // If IE is used, use the trick by Diego Perini
                // http://javascript.nwbox.com/IEContentLoaded/
                document.documentElement.doScroll("left");
        } catch(e) {
                setTimeout( doScrollCheck, 1 );
                return;
        }

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

// Expose jQuery to the global object
return (window.jQuery = window.$ = jQuery);

})();


(function() {

        jQuery.support = {};

        var root = document.documentElement,
                script = document.createElement("script"),
                div = document.createElement("div"),
                id = "script" + jQuery.now();

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

        var all = div.getElementsByTagName("*"),
                a = div.getElementsByTagName("a")[0],
                select = document.createElement("select"),
                opt = select.appendChild( document.createElement("option") );

        // 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 === "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: opt.selected,

                // Will be defined later
                deleteExpando: true,
                optDisabled: false,
                checkClone: false,
                scriptEval: false,
                noCloneEvent: true,
                boxModel: null,
                inlineBlockNeedsLayout: false,
                shrinkWrapBlocks: false,
                reliableHiddenOffsets: true
        };

        // Make sure that the options inside disabled selects aren't marked as disabled
        // (WebKit marks them as diabled)
        select.disabled = true;
        jQuery.support.optDisabled = !opt.disabled;

        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 ];
        }

        // Test to see if it's possible to delete an expando from an element
        // Fails in Internet Explorer
        try {
                delete script.test;

        } catch(e) {
                jQuery.support.deleteExpando = false;
        }

        root.removeChild( script );

        if ( div.attachEvent && div.fireEvent ) {
                div.attachEvent("onclick", function click() {
                        // Cloning a node shouldn't copy over any
                        // bound event handlers (IE does this)
                        jQuery.support.noCloneEvent = false;
                        div.detachEvent("onclick", click);
                });
                div.cloneNode(true).fireEvent("onclick");
        }

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

        var fragment = document.createDocumentFragment();
        fragment.appendChild( div.firstChild );

        // WebKit doesn't clone checked state correctly in fragments
        jQuery.support.checkClone = fragment.cloneNode(true).cloneNode(true).lastChild.checked;

        // Figure out if the W3C box model works as expected
        // document.body must exist before we can do this
        jQuery(function() {
                var div = document.createElement("div"),
                  body = document.getElementsByTagName("body")[0];

                // Frameset documents with no body should not run this code
                if ( !body ) {
                  return;
                }

                div.style.width = div.style.paddingLeft = "1px";
                body.appendChild( div );
                jQuery.boxModel = jQuery.support.boxModel = div.offsetWidth === 2;

                if ( "zoom" in div.style ) {
                        // Check if natively block-level elements act like inline-block
                        // elements when setting their display to 'inline' and giving
                        // them layout
                        // (IE < 8 does this)
                        div.style.display = "inline";
                        div.style.zoom = 1;
                        jQuery.support.inlineBlockNeedsLayout = div.offsetWidth === 2;

                        // Check if elements with layout shrink-wrap their children
                        // (IE 6 does this)
                        div.style.display = "";
                        div.innerHTML = "<div style='width:4px;'></div>";
                        jQuery.support.shrinkWrapBlocks = div.offsetWidth !== 2;
                }

                div.innerHTML = "<table><tr><td style='padding:0;display:none'></td><td>t</td></tr></table>";
                var tds = div.getElementsByTagName("td");

                // Check if table cells still have offsetWidth/Height when they are set
                // to display:none and there are still other visible table cells in a
                // table row; if so, offsetWidth/Height are not reliable for use when
                // determining if an element has been hidden directly using
                // display:none (it is still safe to use offsets if a parent element is
                // hidden; don safety goggles and see bug #4512 for more information).
                // (only IE 8 fails this test)
                jQuery.support.reliableHiddenOffsets = tds[0].offsetHeight === 0;

                tds[0].style.display = "";
                tds[1].style.display = "none";

                // Check if empty table cells still have offsetWidth/Height
                // (IE < 8 fail this test)
                jQuery.support.reliableHiddenOffsets = jQuery.support.reliableHiddenOffsets && tds[0].offsetHeight === 0;
                div.innerHTML = "";

                body.removeChild( div ).style.display = "none";
                div = tds = 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;
})();



var windowData = {},
        rbrace = /^(?:\{.*\}|\[.*\])$/;

jQuery.extend({
        cache: {},

        // Please use with caution
        uuid: 0,

        // Unique for each copy of jQuery on the page   
        expando: "jQuery" + jQuery.now(),

        // The following elements throw uncatchable exceptions if you
        // attempt to add expando properties to them.
        noData: {
                "embed": true,
                // Ban all objects except for Flash (which handle expandos)
                "object": "clsid:D27CDB6E-AE6D-11cf-96B8-444553540000",
                "applet": true
        },

        data: function( elem, name, data ) {
                if ( !jQuery.acceptData( elem ) ) {
                        return;
                }

                elem = elem == window ?
                        windowData :
                        elem;

                var isNode = elem.nodeType,
                        id = isNode ? elem[ jQuery.expando ] : null,
                        cache = jQuery.cache, thisCache;

                if ( isNode && !id && typeof name === "string" && data === undefined ) {
                        return;
                }

                // Get the data from the object directly
                if ( !isNode ) {
                        cache = elem;

                // Compute a unique ID for the element
                } else if ( !id ) {
                        elem[ jQuery.expando ] = id = ++jQuery.uuid;
                }

                // Avoid generating a new cache unless none exists and we
                // want to manipulate it.
                if ( typeof name === "object" ) {
                        if ( isNode ) {
                                cache[ id ] = jQuery.extend(cache[ id ], name);

                        } else {
                                jQuery.extend( cache, name );
                        }

                } else if ( isNode && !cache[ id ] ) {
                        cache[ id ] = {};
                }

                thisCache = isNode ? cache[ id ] : cache;

                // Prevent overriding the named cache with undefined values
                if ( data !== undefined ) {
                        thisCache[ name ] = data;
                }

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

        removeData: function( elem, name ) {
                if ( !jQuery.acceptData( elem ) ) {
                        return;
                }

                elem = elem == window ?
                        windowData :
                        elem;

                var isNode = elem.nodeType,
                        id = isNode ? elem[ jQuery.expando ] : elem,
                        cache = jQuery.cache,
                        thisCache = isNode ? cache[ id ] : 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 ( isNode && jQuery.isEmptyObject(thisCache) ) {
                                        jQuery.removeData( elem );
                                }
                        }

                // Otherwise, we want to remove all of the element's data
                } else {
                        if ( isNode && jQuery.support.deleteExpando ) {
                                delete elem[ jQuery.expando ];

                        } else if ( elem.removeAttribute ) {
                                elem.removeAttribute( jQuery.expando );

                        // Completely remove the data cache
                        } else if ( isNode ) {
                                delete cache[ id ];

                        // Remove all fields from the object
                        } else {
                                for ( var n in elem ) {
                                        delete elem[ n ];
                                }
                        }
                }
        },

        // A method for determining if a DOM node can handle the data expando
        acceptData: function( elem ) {
                if ( elem.nodeName ) {
                        var match = jQuery.noData[ elem.nodeName.toLowerCase() ];

                        if ( match ) {
                                return !(match === true || elem.getAttribute("classid") !== match);
                        }
                }

                return true;
        }
});

jQuery.fn.extend({
        data: function( key, value ) {
                var data = null;

                if ( typeof key === "undefined" ) {
                        if ( this.length ) {
                                var attr = this[0].attributes, name;
                                data = jQuery.data( this[0] );

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

                                        if ( name.indexOf( "data-" ) === 0 ) {
                                                name = name.substr( 5 );
                                                dataAttr( this[0], name, data[ name ] );
                                        }
                                }
                        }

                        return data;

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

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

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

                        // Try to fetch any internally stored data first
                        if ( data === undefined && this.length ) {
                                data = jQuery.data( this[0], key );
                                data = dataAttr( this[0], key, data );
                        }

                        return data === undefined && parts[1] ?
                                this.data( parts[0] ) :
                                data;

                } else {
                        return this.each(function() {
                                var $this = jQuery( this ),
                                        args = [ parts[0], value ];

                                $this.triggerHandler( "setData" + parts[1] + "!", args );
                                jQuery.data( this, key, value );
                                $this.triggerHandler( "changeData" + parts[1] + "!", args );
                        });
                }
        },

        removeData: function( key ) {
                return this.each(function() {
                        jQuery.removeData( this, key );
                });
        }
});

function dataAttr( elem, key, data ) {
        // If nothing was found internally, try to fetch any
        // data from the HTML5 data-* attribute
        if ( data === undefined && elem.nodeType === 1 ) {
                data = elem.getAttribute( "data-" + key );

                if ( typeof data === "string" ) {
                        try {
                                data = data === "true" ? true :
                                data === "false" ? false :
                                data === "null" ? null :
                                !jQuery.isNaN( data ) ? parseFloat( data ) :
                                        rbrace.test( data ) ? jQuery.parseJSON( data ) :
                                        data;
                        } catch( e ) {}

                        // Make sure we set the data so it isn't changed later
                        jQuery.data( elem, key, data );

                } else {
                        data = undefined;
                }
        }

        return data;
}




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 === undefined ) {
                        return jQuery.queue( this[0], type );
                }
                return this.each(function( i ) {
                        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,
        rspaces = /\s+/,
        rreturn = /\r/g,
        rspecialurl = /^(?:href|src|style)$/,
        rtype = /^(?:button|input)$/i,
        rfocusable = /^(?:button|input|object|select|textarea)$/i,
        rclickable = /^a(?:rea)?$/i,
        rradiocheck = /^(?:radio|checkbox)$/i;

jQuery.props = {
        "for": "htmlFor",
        "class": "className",
        readonly: "readOnly",
        maxlength: "maxLength",
        cellspacing: "cellSpacing",
        rowspan: "rowSpan",
        colspan: "colSpan",
        tabindex: "tabIndex",
        usemap: "useMap",
        frameborder: "frameBorder"
};

jQuery.fn.extend({
        attr: function( name, value ) {
                return jQuery.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 === "string" ) {
                        var classNames = (value || "").split( rspaces );

                        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 + " ",
                                                        setClass = elem.className;

                                                for ( var c = 0, cl = classNames.length; c < cl; c++ ) {
                                                        if ( className.indexOf( " " + classNames[c] + " " ) < 0 ) {
                                                                setClass += " " + classNames[c];
                                                        }
                                                }
                                                elem.className = jQuery.trim( setClass );
                                        }
                                }
                        }
                }

                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 === "string") || value === undefined ) {
                        var classNames = (value || "").split( rspaces );

                        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 = jQuery.trim( className );

                                        } 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( rspaces );

                                while ( (className = classNames[ i++ ]) ) {
                                        // check each className given, space seperated list
                                        state = isBool ? state : !self.hasClass( className );
                                        self[ state ? "addClass" : "removeClass" ]( className );
                                }

                        } else if ( type === "undefined" || type === "boolean" ) {
                                if ( this.className ) {
                                        // store className if set
                                        jQuery.data( this, "__className__", this.className );
                                }

                                // toggle whole className
                                this.className = this.className || value === false ? "" : jQuery.data( this, "__className__" ) || "";
                        }
                });
        },

        hasClass: function( selector ) {
                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 ( !arguments.length ) {
                        var elem = this[0];

                        if ( elem ) {
                                if ( jQuery.nodeName( elem, "option" ) ) {
                                        // attributes.value is undefined in Blackberry 4.7 but
                                        // uses .value. See #6932
                                        var val = elem.attributes.value;
                                        return !val || val.specified ? elem.value : elem.text;
                                }

                                // 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 ];

                                                // Don't return options that are disabled or in a disabled optgroup
                                                if ( option.selected && (jQuery.support.optDisabled ? !option.disabled : option.getAttribute("disabled") === null) && 
                                                                (!option.parentNode.disabled || !jQuery.nodeName( option.parentNode, "optgroup" )) ) {

                                                        // Get the specific value for the option
                                                        value = jQuery(option).val();

                                                        // We don't need an array for one selects
                                                        if ( one ) {
                                                                return value;
                                                        }

                                                        // Multi-Selects return an array
                                                        values.push( value );
                                                }
                                        }

                                        return values;
                                }

                                // 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());
                        }

                        // Treat null/undefined as ""; convert numbers to string
                        if ( val == null ) {
                                val = "";
                        } else if ( typeof val === "number" ) {
                                val += "";
                        } else if ( jQuery.isArray(val) ) {
                                val = jQuery.map(val, function (value) {
                                        return value == null ? "" : value + "";
                                });
                        }

                        if ( jQuery.isArray(val) && rradiocheck.test( this.type ) ) {
                                this.checked = jQuery.inArray( self.val(), val ) >= 0;

                        } else if ( jQuery.nodeName( this, "select" ) ) {
                                var values = jQuery.makeArray(val);

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

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

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

jQuery.extend({
        attrFn: {
                val: true,
                css: true,
                html: true,
                text: true,
                data: true,
                width: true,
                height: true,
                offset: true
        },
                
        attr: function( elem, name, value, pass ) {
                // 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;

                // 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
                // 'in' checks fail in Blackberry 4.7 #6931
                if ( (name in elem || elem[ name ] !== undefined) && notxml && !special ) {
                        if ( set ) {
                                // We can't allow the type property to be changed (since it causes problems in IE)
                                if ( name === "type" && rtype.test( elem.nodeName ) && elem.parentNode ) {
                                        jQuery.error( "type property can't be changed" );
                                }

                                if ( value === null ) {
                                        if ( elem.nodeType === 1 ) {
                                                elem.removeAttribute( name );
                                        }

                                } else {
                                        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 );
                }

                // Ensure that missing attributes return undefined
                // Blackberry 4.7 returns "" from getAttribute #6938
                if ( !elem.attributes[ name ] && (elem.hasAttribute && !elem.hasAttribute( name )) ) {
                        return undefined;
                }

                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;
        }
});




var rnamespaces = /\.(.*)$/,
        rformElems = /^(?:textarea|input|select)$/i,
        rperiod = /\./g,
        rspace = / /g,
        rescape = /[^\w\s.|`]/g,
        fcleanup = function( nm ) {
                return nm.replace(rescape, "\\$&");
        },
        focusCounts = { focusin: 0, focusout: 0 };

/*
 * 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 ( jQuery.isWindow( elem ) && ( elem !== window && !elem.frameElement ) ) {
                        elem = window;
                }

                if ( handler === false ) {
                        handler = returnFalse;
                } else if ( !handler ) {
                        // Fixes bug #7229. Fix recommended by jdalton
                  return;
                }

                var handleObjIn, handleObj;

                if ( handler.handler ) {
                        handleObjIn = handler;
                        handler = handleObjIn.handler;
                }

                // Make sure that the function being executed has a unique ID
                if ( !handler.guid ) {
                        handler.guid = jQuery.guid++;
                }

                // Init the element's event structure
                var elemData = jQuery.data( elem );

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

                // Use a key less likely to result in collisions for plain JS objects.
                // Fixes bug #7150.
                var eventKey = elem.nodeType ? "events" : "__events__",
                        events = elemData[ eventKey ],
                        eventHandle = elemData.handle;
                        
                if ( typeof events === "function" ) {
                        // On plain objects events is a fn that holds the the data
                        // which prevents this data from being JSON serialized
                        // the function does not need to be called, it just contains the data
                        eventHandle = events.handle;
                        events = events.events;

                } else if ( !events ) {
                        if ( !elem.nodeType ) {
                                // On plain objects, create a fn that acts as the holder
                                // of the values to avoid JSON serialization of event data
                                elemData[ eventKey ] = elemData = function(){};
                        }

                        elemData.events = events = {};
                }

                if ( !eventHandle ) {
                        elemData.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;
                        };
                }

                // Add elem as a property of the handle function
                // This is to prevent a memory leak with non-native events in IE.
                eventHandle.elem = elem;

                // Handle multiple events separated by a space
                // jQuery(...).bind("mouseover mouseout", fn);
                types = types.split(" ");

                var type, i = 0, namespaces;

                while ( (type = types[ i++ ]) ) {
                        handleObj = handleObjIn ?
                                jQuery.extend({}, handleObjIn) :
                                { handler: handler, data: data };

                        // Namespaced event handlers
                        if ( type.indexOf(".") > -1 ) {
                                namespaces = type.split(".");
                                type = namespaces.shift();
                                handleObj.namespace = namespaces.slice(0).sort().join(".");

                        } else {
                                namespaces = [];
                                handleObj.namespace = "";
                        }

                        handleObj.type = type;
                        if ( !handleObj.guid ) {
                                handleObj.guid = handler.guid;
                        }

                        // Get the current list of functions bound to this event
                        var handlers = events[ type ],
                                special = jQuery.event.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, eventHandle ) === false ) {
                                        // Bind the global event handler to the element
                                        if ( elem.addEventListener ) {
                                                elem.addEventListener( type, eventHandle, false );

                                        } else if ( elem.attachEvent ) {
                                                elem.attachEvent( "on" + type, eventHandle );
                                        }
                                }
                        }
                        
                        if ( special.add ) { 
                                special.add.call( elem, handleObj ); 

                                if ( !handleObj.handler.guid ) {
                                        handleObj.handler.guid = handler.guid;
                                }
                        }

                        // Add the function to the element's handler list
                        handlers.push( handleObj );

                        // Keep track of which events have been used, for global triggering
                        jQuery.event.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, pos ) {
                // don't do events on text and comment nodes
                if ( elem.nodeType === 3 || elem.nodeType === 8 ) {
                        return;
                }

                if ( handler === false ) {
                        handler = returnFalse;
                }

                var ret, type, fn, j, i = 0, all, namespaces, namespace, special, eventType, handleObj, origType,
                        eventKey = elem.nodeType ? "events" : "__events__",
                        elemData = jQuery.data( elem ),
                        events = elemData && elemData[ eventKey ];

                if ( !elemData || !events ) {
                        return;
                }
                
                if ( typeof events === "function" ) {
                        elemData = events;
                        events = events.events;
                }

                // types is actually an event object here
                if ( types && types.type ) {
                        handler = types.handler;
                        types = types.type;
                }

                // Unbind all events for the element
                if ( !types || typeof types === "string" && types.charAt(0) === "." ) {
                        types = types || "";

                        for ( type in events ) {
                                jQuery.event.remove( elem, type + types );
                        }

                        return;
                }

                // Handle multiple events separated by a space
                // jQuery(...).unbind("mouseover mouseout", fn);
                types = types.split(" ");

                while ( (type = types[ i++ ]) ) {
                        origType = type;
                        handleObj = null;
                        all = type.indexOf(".") < 0;
                        namespaces = [];

                        if ( !all ) {
                                // Namespaced event handlers
                                namespaces = type.split(".");
                                type = namespaces.shift();

                                namespace = new RegExp("(^|\\.)" + 
                                        jQuery.map( namespaces.slice(0).sort(), fcleanup ).join("\\.(?:.*\\.)?") + "(\\.|$)");
                        }

                        eventType = events[ type ];

                        if ( !eventType ) {
                                continue;
                        }

                        if ( !handler ) {
                                for ( j = 0; j < eventType.length; j++ ) {
                                        handleObj = eventType[ j ];

                                        if ( all || namespace.test( handleObj.namespace ) ) {
                                                jQuery.event.remove( elem, origType, handleObj.handler, j );
                                                eventType.splice( j--, 1 );
                                        }
                                }

                                continue;
                        }

                        special = jQuery.event.special[ type ] || {};

                        for ( j = pos || 0; j < eventType.length; j++ ) {
                                handleObj = eventType[ j ];

                                if ( handler.guid === handleObj.guid ) {
                                        // remove the given handler for the given type
                                        if ( all || namespace.test( handleObj.namespace ) ) {
                                                if ( pos == null ) {
                                                        eventType.splice( j--, 1 );
                                                }

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

                                        if ( pos != null ) {
                                                break;
                                        }
                                }
                        }

                        // remove generic event handler if no more handlers exist
                        if ( eventType.length === 0 || pos != null && eventType.length === 1 ) {
                                if ( !special.teardown || special.teardown.call( elem, namespaces ) === false ) {
                                        jQuery.removeEvent( elem, type, elemData.handle );
                                }

                                ret = null;
                                delete events[ type ];
                        }
                }

                // Remove the expando if it's no longer used
                if ( jQuery.isEmptyObject( events ) ) {
                        var handle = elemData.handle;
                        if ( handle ) {
                                handle.elem = null;
                        }

                        delete elemData.events;
                        delete elemData.handle;

                        if ( typeof elemData === "function" ) {
                                jQuery.removeData( elem, eventKey );

                        } else if ( jQuery.isEmptyObject( elemData ) ) {
                                jQuery.removeData( elem );
                        }
                }
        },

        // 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[ jQuery.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 ( jQuery.event.global[ type ] ) {
                                        jQuery.each( jQuery.cache, function() {
                                                if ( this.events && this.events[type] ) {
                                                        jQuery.event.trigger( event, data, this.handle.elem );
                                                }
                                        });
                                }
                        }

                        // Handle triggering a single element

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

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

                        // Clone the incoming data, if any
                        data = jQuery.makeArray( data );
                        data.unshift( event );
                }

                event.currentTarget = elem;

                // Trigger the event, it is assumed that "handle" is a function
                var handle = elem.nodeType ?
                        jQuery.data( elem, "handle" ) :
                        (jQuery.data( elem, "__events__" ) || {}).handle;

                if ( handle ) {
                        handle.apply( elem, data );
                }

                var parent = elem.parentNode || elem.ownerDocument;

                // Trigger an inline bound script
                try {
                        if ( !(elem && elem.nodeName && jQuery.noData[elem.nodeName.toLowerCase()]) ) {
                                if ( elem[ "on" + type ] && elem[ "on" + type ].apply( elem, data ) === false ) {
                                        event.result = false;
                                        event.preventDefault();
                                }
                        }

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

                if ( !event.isPropagationStopped() && parent ) {
                        jQuery.event.trigger( event, data, parent, true );

                } else if ( !event.isDefaultPrevented() ) {
                        var old,
                                target = event.target,
                                targetType = type.replace( rnamespaces, "" ),
                                isClick = jQuery.nodeName( target, "a" ) && targetType === "click",
                                special = jQuery.event.special[ targetType ] || {};

                        if ( (!special._default || special._default.call( elem, event ) === false) && 
                                !isClick && !(target && target.nodeName && jQuery.noData[target.nodeName.toLowerCase()]) ) {

                                try {
                                        if ( target[ targetType ] ) {
                                                // Make sure that we don't accidentally re-trigger the onFOO events
                                                old = target[ "on" + targetType ];

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

                                                jQuery.event.triggered = true;
                                                target[ targetType ]();
                                        }

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

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

                                jQuery.event.triggered = false;
                        }
                }
        },

        handle: function( event ) {
                var all, handlers, namespaces, namespace_re, events,
                        namespace_sort = [],
                        args = jQuery.makeArray( arguments );

                event = args[0] = jQuery.event.fix( event || window.event );
                event.currentTarget = this;

                // Namespaced event handlers
                all = event.type.indexOf(".") < 0 && !event.exclusive;

                if ( !all ) {
                        namespaces = event.type.split(".");
                        event.type = namespaces.shift();
                        namespace_sort = namespaces.slice(0).sort();
                        namespace_re = new RegExp("(^|\\.)" + namespace_sort.join("\\.(?:.*\\.)?") + "(\\.|$)");
                }

                event.namespace = event.namespace || namespace_sort.join(".");

                events = jQuery.data(this, this.nodeType ? "events" : "__events__");

                if ( typeof events === "function" ) {
                        events = events.events;
                }

                handlers = (events || {})[ event.type ];

                if ( events && handlers ) {
                        // Clone the handlers to prevent manipulation
                        handlers = handlers.slice(0);

                        for ( var j = 0, l = handlers.length; j < l; j++ ) {
                                var handleObj = handlers[ j ];

                                // Filter the functions by class
                                if ( all || namespace_re.test( handleObj.namespace ) ) {
                                        // Pass in a reference to the handler function itself
                                        // So that we can later remove it
                                        event.handler = handleObj.handler;
                                        event.data = handleObj.data;
                                        event.handleObj = handleObj;
        
                                        var ret = handleObj.handler.apply( this, args );

                                        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 pageX pageY prevValue relatedNode relatedTarget screenX screenY shiftKey srcElement target toElement view wheelDelta which".split(" "),

        fix: function( event ) {
                if ( event[ jQuery.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 ) {
                        // Fixes #1925 where srcElement might not be defined either
                        event.target = event.srcElement || document;
                }

                // 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 == null && (event.charCode != null || event.keyCode != null) ) {
                        event.which = event.charCode != null ? 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( handleObj ) {
                                jQuery.event.add( this,
                                        liveConvert( handleObj.origType, handleObj.selector ),
                                        jQuery.extend({}, handleObj, {handler: liveHandler, guid: handleObj.handler.guid}) ); 
                        },

                        remove: function( handleObj ) {
                                jQuery.event.remove( this, liveConvert( handleObj.origType, handleObj.selector ), handleObj );
                        }
                },

                beforeunload: {
                        setup: function( data, namespaces, eventHandle ) {
                                // We only want to do this special case on windows
                                if ( jQuery.isWindow( this ) ) {
                                        this.onbeforeunload = eventHandle;
                                }
                        },

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

jQuery.removeEvent = document.removeEventListener ?
        function( elem, type, handle ) {
                if ( elem.removeEventListener ) {
                        elem.removeEventListener( type, handle, false );
                }
        } : 
        function( elem, type, handle ) {
                if ( elem.detachEvent ) {
                        elem.detachEvent( "on" + type, handle );
                }
        };

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 = jQuery.now();

        // Mark it as fixed
        this[ jQuery.expando ] = true;
};

function returnFalse() {
        return false;
}
function returnTrue() {
        return true;
}

// jQuery.Event is based on DOM3 Events as specified by the ECMAScript Language Binding
// http://www.w3.org/TR/2003/WD-DOM-Level-3-Events-20030331/ecma-script-binding.html
jQuery.Event.prototype = {
        preventDefault: function() {
                this.isDefaultPrevented = returnTrue;

                var e = this.originalEvent;
                if ( !e ) {
                        return;
                }
                
                // if preventDefault exists run it on the original event
                if ( e.preventDefault ) {
                        e.preventDefault();

                // otherwise set the returnValue property of the original event to false (IE)
                } else {
                        e.returnValue = false;
                }
        },
        stopPropagation: function() {
                this.isPropagationStopped = returnTrue;

                var e = this.originalEvent;
                if ( !e ) {
                        return;
                }
                // if stopPropagation exists run it on the original event
                if ( e.stopPropagation ) {
                        e.stopPropagation();
                }
                // otherwise set the cancelBubble property of the original event to true (IE)
                e.cancelBubble = true;
        },
        stopImmediatePropagation: function() {
                this.isImmediatePropagationStopped = returnTrue;
                this.stopPropagation();
        },
        isDefaultPrevented: returnFalse,
        isPropagationStopped: returnFalse,
        isImmediatePropagationStopped: returnFalse
};

// Checks if an event happened on an element within another element
// Used in jQuery.event.special.mouseenter and mouseleave handlers
var withinElement = function( event ) {
        // Check if mouse(over|out) are still within the same parent element
        var parent = event.relatedTarget;

        // Firefox sometimes assigns relatedTarget a XUL element
        // which we cannot access the parentNode property of
        try {
                // Traverse up the tree
                while ( parent && parent !== this ) {
                        parent = parent.parentNode;
                }

                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 );
                }

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

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

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

// submit delegation
if ( !jQuery.support.submitBubbles ) {

        jQuery.event.special.submit = {
                setup: function( data, namespaces ) {
                        if ( this.nodeName.toLowerCase() !== "form" ) {
                                jQuery.event.add(this, "click.specialSubmit", function( e ) {
                                        var elem = e.target,
                                                type = elem.type;

                                        if ( (type === "submit" || type === "image") && jQuery( elem ).closest("form").length ) {
                                                e.liveFired = undefined;
                                                return trigger( "submit", this, arguments );
                                        }
                                });
         
                                jQuery.event.add(this, "keypress.specialSubmit", function( e ) {
                                        var elem = e.target,
                                                type = elem.type;

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

                        } else {
                                return false;
                        }
                },

                teardown: function( namespaces ) {
                        jQuery.event.remove( this, ".specialSubmit" );
                }
        };

}

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

        var changeFilters,

        getVal = function( 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;
        },

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

                if ( !rformElems.test( elem.nodeName ) || elem.readOnly ) {
                        return;
                }

                data = jQuery.data( elem, "_change_data" );
                val = getVal(elem);

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

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

        jQuery.event.special.change = {
                filters: {
                        focusout: testChange, 

                        beforedeactivate: 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
                        beforeactivate: function( e ) {
                                var elem = e.target;
                                jQuery.data( elem, "_change_data", getVal(elem) );
                        }
                },

                setup: function( data, namespaces ) {
                        if ( this.type === "file" ) {
                                return false;
                        }

                        for ( var type in changeFilters ) {
                                jQuery.event.add( this, type + ".specialChange", changeFilters[type] );
                        }

                        return rformElems.test( this.nodeName );
                },

                teardown: function( namespaces ) {
                        jQuery.event.remove( this, ".specialChange" );

                        return rformElems.test( this.nodeName );
                }
        };

        changeFilters = jQuery.event.special.change.filters;

        // Handle when the input is .focus()'d
        changeFilters.focus = changeFilters.beforeactivate;
}

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

// Create "bubbling" focus and blur events
if ( document.addEventListener ) {
        jQuery.each({ focus: "focusin", blur: "focusout" }, function( orig, fix ) {
                jQuery.event.special[ fix ] = {
                        setup: function() {
                                if ( focusCounts[fix]++ === 0 ) {
                                        document.addEventListener( orig, handler, true );
                                }
                        }, 
                        teardown: function() { 
                                if ( --focusCounts[fix] === 0 ) {
                                        document.removeEventListener( orig, handler, true );
                                }
                        }
                };

                function handler( e ) { 
                        e = jQuery.event.fix( e );
                        e.type = fix;
                        return jQuery.event.trigger( e, null, e.target );
                }
        });
}

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 ) || data === false ) {
                        fn = data;
                        data = undefined;
                }

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

                if ( type === "unload" && name !== "one" ) {
                        this.one( type, data, fn );

                } else {
                        for ( var i = 0, l = this.length; i < l; i++ ) {
                                jQuery.event.add( this[i], type, handler, data );
                        }
                }

                return this;
        };
});

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]);
                        }

                } else {
                        for ( var i = 0, l = this.length; i < l; i++ ) {
                                jQuery.event.remove( this[i], type, fn );
                        }
                }

                return this;
        },
        
        delegate: function( selector, types, data, fn ) {
                return this.live( types, data, fn, selector );
        },
        
        undelegate: function( selector, types, fn ) {
                if ( arguments.length === 0 ) {
                                return this.unbind( "live" );
                
                } else {
                        return this.die( types, null, fn, selector );
                }
        },
        
        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 );
        }
});

var liveMap = {
        focus: "focusin",
        blur: "focusout",
        mouseenter: "mouseover",
        mouseleave: "mouseout"
};

jQuery.each(["live", "die"], function( i, name ) {
        jQuery.fn[ name ] = function( types, data, fn, origSelector /* Internal Use Only */ ) {
                var type, i = 0, match, namespaces, preType,
                        selector = origSelector || this.selector,
                        context = origSelector ? this : jQuery( this.context );
                
                if ( typeof types === "object" && !types.preventDefault ) {
                        for ( var key in types ) {
                                context[ name ]( key, data, types[key], selector );
                        }
                        
                        return this;
                }

                if ( jQuery.isFunction( data ) ) {
                        fn = data;
                        data = undefined;
                }

                types = (types || "").split(" ");

                while ( (type = types[ i++ ]) != null ) {
                        match = rnamespaces.exec( type );
                        namespaces = "";

                        if ( match )  {
                                namespaces = match[0];
                                type = type.replace( rnamespaces, "" );
                        }

                        if ( type === "hover" ) {
                                types.push( "mouseenter" + namespaces, "mouseleave" + namespaces );
                                continue;
                        }

                        preType = type;

                        if ( type === "focus" || type === "blur" ) {
                                types.push( liveMap[ type ] + namespaces );
                                type = type + namespaces;

                        } else {
                                type = (liveMap[ type ] || type) + namespaces;
                        }

                        if ( name === "live" ) {
                                // bind live handler
                                for ( var j = 0, l = context.length; j < l; j++ ) {
                                        jQuery.event.add( context[j], "live." + liveConvert( type, selector ),
                                                { data: data, selector: selector, handler: fn, origType: type, origHandler: fn, preType: preType } );
                                }

                        } else {
                                // unbind live handler
                                context.unbind( "live." + liveConvert( type, selector ), fn );
                        }
                }
                
                return this;
        };
});

function liveHandler( event ) {
        var stop, maxLevel, related, match, handleObj, elem, j, i, l, data, close, namespace, ret,
                elems = [],
                selectors = [],
                events = jQuery.data( this, this.nodeType ? "events" : "__events__" );

        if ( typeof events === "function" ) {
                events = events.events;
        }

        // Make sure we avoid non-left-click bubbling in Firefox (#3861)
        if ( event.liveFired === this || !events || !events.live || event.button && event.type === "click" ) {
                return;
        }
        
        if ( event.namespace ) {
                namespace = new RegExp("(^|\\.)" + event.namespace.split(".").join("\\.(?:.*\\.)?") + "(\\.|$)");
        }

        event.liveFired = this;

        var live = events.live.slice(0);

        for ( j = 0; j < live.length; j++ ) {
                handleObj = live[j];

                if ( handleObj.origType.replace( rnamespaces, "" ) === event.type ) {
                        selectors.push( handleObj.selector );

                } else {
                        live.splice( j--, 1 );
                }
        }

        match = jQuery( event.target ).closest( selectors, event.currentTarget );

        for ( i = 0, l = match.length; i < l; i++ ) {
                close = match[i];

                for ( j = 0; j < live.length; j++ ) {
                        handleObj = live[j];

                        if ( close.selector === handleObj.selector && (!namespace || namespace.test( handleObj.namespace )) ) {
                                elem = close.elem;
                                related = null;

                                // Those two events require additional checking
                                if ( handleObj.preType === "mouseenter" || handleObj.preType === "mouseleave" ) {
                                        event.type = handleObj.preType;
                                        related = jQuery( event.relatedTarget ).closest( handleObj.selector )[0];
                                }

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

        for ( i = 0, l = elems.length; i < l; i++ ) {
                match = elems[i];

                if ( maxLevel && match.level > maxLevel ) {
                        break;
                }

                event.currentTarget = match.elem;
                event.data = match.handleObj.data;
                event.handleObj = match.handleObj;

                ret = match.handleObj.origHandler.apply( match.elem, arguments );

                if ( ret === false || event.isPropagationStopped() ) {
                        maxLevel = match.level;

                        if ( ret === false ) {
                                stop = false;
                        }
                        if ( event.isImmediatePropagationStopped() ) {
                                break;
                        }
                }
        }

        return stop;
}

function liveConvert( type, selector ) {
        return (type && type !== "*" ? type + "." : "") + selector.replace(rperiod, "`").replace(rspace, "&");
}

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( data, fn ) {
                if ( fn == null ) {
                        fn = data;
                        data = null;
                }

                return arguments.length > 0 ?
                        this.bind( name, data, 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 ) {
        jQuery(window).bind("unload", 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 || [];
        context = context || document;

        var origContext = context;

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

        var m, set, checkSet, extra, ret, cur, pop, i,
                prune = true,
                contextXML = Sizzle.isXML( context ),
                parts = [],
                soFar = selector;
        
        // Reset the position of the chunker regexp (start from head)
        do {
                chunker.exec( "" );
                m = chunker.exec( soFar );

                if ( m ) {
                        soFar = m[3];
                
                        parts.push( m[1] );
                
                        if ( m[2] ) {
                                extra = m[3];
                                break;
                        }
                }
        } while ( m );

        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]) ) {

                        ret = Sizzle.find( parts.shift(), context, contextXML );
                        context = ret.expr ?
                                Sizzle.filter( ret.expr, ret.set )[0] :
                                ret.set[0];
                }

                if ( context ) {
                        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 ) {
                                cur = parts.pop();
                                pop = cur;

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

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

                                Expr.relative[ cur ]( checkSet, pop, contextXML );
                        }

                } else {
                        checkSet = parts = [];
                }
        }

        if ( !checkSet ) {
                checkSet = set;
        }

        if ( !checkSet ) {
                Sizzle.error( cur || selector );
        }

        if ( toString.call(checkSet) === "[object Array]" ) {
                if ( !prune ) {
                        results.push.apply( results, checkSet );

                } else if ( context && context.nodeType === 1 ) {
                        for ( i = 0; checkSet[i] != null; i++ ) {
                                if ( checkSet[i] && (checkSet[i] === true || checkSet[i].nodeType === 1 && Sizzle.contains(context, checkSet[i])) ) {
                                        results.push( set[i] );
                                }
                        }

                } else {
                        for ( 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.matchesSelector = function( node, expr ) {
        return Sizzle( expr, null, null, [node] ).length > 0;
};

Sizzle.find = function( expr, context, isXML ) {
        var set;

        if ( !expr ) {
                return [];
        }

        for ( var i = 0, l = Expr.order.length; i < l; i++ ) {
                var match,
                        type = Expr.order[i];
                
                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 match, anyFound,
                old = expr,
                result = [],
                curLoop = set,
                isXMLFilter = set && set[0] && Sizzle.isXML( set[0] );

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

                                anyFound = false;

                                match.splice(1,1);

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

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

                                if ( Expr.preFilter[ type ] ) {
                                        match = Expr.preFilter[ type ]( match, curLoop, inplace, result, not, isXMLFilter );

                                        if ( !match ) {
                                                anyFound = found = true;

                                        } else if ( match === true ) {
                                                continue;
                                        }
                                }

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

                                                        if ( inplace && found != null ) {
                                                                if ( pass ) {
                                                                        anyFound = true;

                                                                } else {
                                                                        curLoop[i] = false;
                                                                }

                                                        } else if ( pass ) {
                                                                result.push( item );
                                                                anyFound = true;
                                                        }
                                                }
                                        }
                                }

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

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

                                        if ( !anyFound ) {
                                                return [];
                                        }

                                        break;
                                }
                        }
                }

                // Improper expression
                if ( expr === old ) {
                        if ( anyFound == null ) {
                                Sizzle.error( expr );

                        } else {
                                break;
                        }
                }

                old = expr;
        }

        return curLoop;
};

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

var Expr = Sizzle.selectors = {
        order: [ "ID", "NAME", "TAG" ],

        match: {
                ID: /#((?:[\w\u00c0-\uFFFF\-]|\\.)+)/,
                CLASS: /\.((?:[\w\u00c0-\uFFFF\-]|\\.)+)/,
                NAME: /\[name=['"]*((?:[\w\u00c0-\uFFFF\-]|\\.)+)['"]*\]/,
                ATTR: /\[\s*((?:[\w\u00c0-\uFFFF\-]|\\.)+)\s*(?:(\S?=)\s*(['"]*)(.*?)\3|)\s*\]/,
                TAG: /^((?:[\w\u00c0-\uFFFF\*\-]|\\.)+)/,
                CHILD: /:(only|nth|last|first)-child(?:\((even|odd|[\dn+\-]*)\))?/,
                POS: /:(nth|eq|gt|lt|first|last|even|odd)(?:\((\d*)\))?(?=[^\-]|$)/,
                PSEUDO: /:((?:[\w\u00c0-\uFFFF\-]|\\.)+)(?:\((['"]?)((?:\([^\)]+\)|[^\(\)]*)+)\2\))?/
        },

        leftMatch: {},

        attrMap: {
                "class": "className",
                "for": "htmlFor"
        },

        attrHandle: {
                href: function( elem ) {
                        return elem.getAttribute( "href" );
                }
        },

        relative: {
                "+": function(checkSet, part){
                        var isPartStr = typeof part === "string",
                                isTag = isPartStr && !/\W/.test( part ),
                                isPartStrNotTag = isPartStr && !isTag;

                        if ( isTag ) {
                                part = part.toLowerCase();
                        }

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

                                        checkSet[i] = isPartStrNotTag || elem && elem.nodeName.toLowerCase() === part ?
                                                elem || false :
                                                elem === part;
                                }
                        }

                        if ( isPartStrNotTag ) {
                                Sizzle.filter( part, checkSet, true );
                        }
                },

                ">": function( checkSet, part ) {
                        var elem,
                                isPartStr = typeof part === "string",
                                i = 0,
                                l = checkSet.length;

                        if ( isPartStr && !/\W/.test( part ) ) {
                                part = part.toLowerCase();

                                for ( ; i < l; i++ ) {
                                        elem = checkSet[i];

                                        if ( elem ) {
                                                var parent = elem.parentNode;
                                                checkSet[i] = parent.nodeName.toLowerCase() === part ? parent : false;
                                        }
                                }

                        } else {
                                for ( ; i < l; i++ ) {
                                        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 nodeCheck,
                                doneName = done++,
                                checkFn = dirCheck;

                        if ( typeof part === "string" && !/\W/.test(part) ) {
                                part = part.toLowerCase();
                                nodeCheck = part;
                                checkFn = dirNodeCheck;
                        }

                        checkFn( "parentNode", part, doneName, checkSet, nodeCheck, isXML );
                },

                "~": function( checkSet, part, isXML ) {
                        var nodeCheck,
                                doneName = done++,
                                checkFn = dirCheck;

                        if ( typeof part === "string" && !/\W/.test( part ) ) {
                                part = part.toLowerCase();
                                nodeCheck = part;
                                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]);
                                // Check parentNode to catch when Blackberry 4.6 returns
                                // nodes that are no longer in the document #6963
                                return m && m.parentNode ? [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 || Sizzle.getText([ elem ]) || "").indexOf(match[3]) >= 0;

                        } else if ( name === "not" ) {
                                var not = match[3];

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

                                return true;

                        } else {
                                Sizzle.error( "Syntax error, unrecognized expression: " + name );
                        }
                },

                CHILD: function( elem, match ) {
                        var type = match[1],
                                node = elem;

                        switch ( type ) {
                                case "only":
                                case "first":
                                        while ( (node = node.previousSibling) )  {
                                                if ( node.nodeType === 1 ) { 
                                                        return false; 
                                                }
                                        }

                                        if ( type === "first" ) { 
                                                return true; 
                                        }

                                        node = elem;

                                case "last":
                                        while ( (node = node.nextSibling) )      {
                                                if ( node.nodeType === 1 ) { 
                                                        return false; 
                                                }
                                        }

                                        return true;

                                case "nth":
                                        var first = match[2],
                                                last = match[3];

                                        if ( first === 1 && last === 0 ) {
                                                return true;
                                        }
                                        
                                        var doneName = match[0],
                                                parent = elem.parentNode;
        
                                        if ( parent && (parent.sizcache !== doneName || !elem.nodeIndex) ) {
                                                var count = 0;
                                                
                                                for ( node = parent.firstChild; node; node = node.nextSibling ) {
                                                        if ( node.nodeType === 1 ) {
                                                                node.nodeIndex = ++count;
                                                        }
                                                } 

                                                parent.sizcache = doneName;
                                        }
                                        
                                        var diff = elem.nodeIndex - last;

                                        if ( first === 0 ) {
                                                return diff === 0;

                                        } else {
                                                return ( diff % first === 0 && diff / first >= 0 );
                                        }
                        }
                },

                ID: function( elem, match ) {
                        return elem.nodeType === 1 && elem.getAttribute("id") === match;
                },

                TAG: function( elem, match ) {
                        return (match === "*" && elem.nodeType === 1) || elem.nodeName.toLowerCase() === match;
                },
                
                CLASS: function( elem, match ) {
                        return (" " + (elem.className || elem.getAttribute("class")) + " ")
                                .indexOf( match ) > -1;
                },

                ATTR: function( elem, match ) {
                        var name = match[1],
                                result = Expr.attrHandle[ name ] ?
                                        Expr.attrHandle[ name ]( elem ) :
                                        elem[ name ] != null ?
                                                elem[ name ] :
                                                elem.getAttribute( name ),
                                value = result + "",
                                type = match[2],
                                check = match[4];

                        return result == null ?
                                type === "!=" :
                                type === "=" ?
                                value === check :
                                type === "*=" ?
                                value.indexOf(check) >= 0 :
                                type === "~=" ?
                                (" " + value + " ").indexOf(check) >= 0 :
                                !check ?
                                value && result !== false :
                                type === "!=" ?
                                value !== check :
                                type === "^=" ?
                                value.indexOf(check) === 0 :
                                type === "$=" ?
                                value.substr(value.length - check.length) === check :
                                type === "|=" ?
                                value === check || value.substr(0, check.length + 1) === check + "-" :
                                false;
                },

                POS: function( elem, match, i, array ) {
                        var name = match[2],
                                filter = Expr.setFilters[ name ];

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

var origPOS = Expr.match.POS,
        fescape = function(all, num){
                return "\\" + (num - 0 + 1);
        };

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, fescape) );
}

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.
// Also verifies that the returned array holds DOM nodes
// (which is not the case in the Blackberry browser)
try {
        Array.prototype.slice.call( document.documentElement.childNodes, 0 )[0].nodeType;

// Provide a fallback method if it does not work
} catch( e ) {
        makeArray = function( array, results ) {
                var i = 0,
                        ret = results || [];

                if ( toString.call(array) === "[object Array]" ) {
                        Array.prototype.push.apply( ret, array );

                } else {
                        if ( typeof array.length === "number" ) {
                                for ( var l = array.length; i < l; i++ ) {
                                        ret.push( array[i] );
                                }

                        } else {
                                for ( ; array[i]; i++ ) {
                                        ret.push( array[i] );
                                }
                        }
                }

                return ret;
        };
}

var sortOrder, siblingCheck;

if ( document.documentElement.compareDocumentPosition ) {
        sortOrder = function( a, b ) {
                if ( a === b ) {
                        hasDuplicate = true;
                        return 0;
                }

                if ( !a.compareDocumentPosition || !b.compareDocumentPosition ) {
                        return a.compareDocumentPosition ? -1 : 1;
                }

                return a.compareDocumentPosition(b) & 4 ? -1 : 1;
        };

} else {
        sortOrder = function( a, b ) {
                var al, bl,
                        ap = [],
                        bp = [],
                        aup = a.parentNode,
                        bup = b.parentNode,
                        cur = aup;

                // The nodes are identical, we can exit early
                if ( a === b ) {
                        hasDuplicate = true;
                        return 0;

                // If the nodes are siblings (or identical) we can do a quick check
                } else if ( aup === bup ) {
                        return siblingCheck( a, b );

                // If no parents were found then the nodes are disconnected
                } else if ( !aup ) {
                        return -1;

                } else if ( !bup ) {
                        return 1;
                }

                // Otherwise they're somewhere else in the tree so we need
                // to build up a full list of the parentNodes for comparison
                while ( cur ) {
                        ap.unshift( cur );
                        cur = cur.parentNode;
                }

                cur = bup;

                while ( cur ) {
                        bp.unshift( cur );
                        cur = cur.parentNode;
                }

                al = ap.length;
                bl = bp.length;

                // Start walking down the tree looking for a discrepancy
                for ( var i = 0; i < al && i < bl; i++ ) {
                        if ( ap[i] !== bp[i] ) {
                                return siblingCheck( ap[i], bp[i] );
                        }
                }

                // We ended someplace up the tree so do a sibling check
                return i === al ?
                        siblingCheck( a, bp[i], -1 ) :
                        siblingCheck( ap[i], b, 1 );
        };

        siblingCheck = function( a, b, ret ) {
                if ( a === b ) {
                        return ret;
                }

                var cur = a.nextSibling;

                while ( cur ) {
                        if ( cur === b ) {
                                return -1;
                        }

                        cur = cur.nextSibling;
                }

                return 1;
        };
}

// Utility function for retreiving the text value of an array of DOM nodes
Sizzle.getText = function( 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 += Sizzle.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(),
                root = document.documentElement;

        form.innerHTML = "<a name='" + id + "'/>";

        // Inject it into the root element, check its status, and remove it quickly
        root.insertBefore( form, root.firstChild );

        // The workaround has to do additional checks after a getElementById
        // Which slows things down for other browsers (hence the branching)
        if ( document.getElementById( id ) ) {
                Expr.find.ID = function( match, context, isXML ) {
                        if ( typeof context.getElementById !== "undefined" && !isXML ) {
                                var m = context.getElementById(match[1]);

                                return m ?
                                        m.id === match[1] || typeof m.getAttributeNode !== "undefined" && m.getAttributeNode("id").nodeValue === match[1] ?
                                                [m] :
                                                undefined :
                                        [];
                        }
                };

                Expr.filter.ID = function( elem, match ) {
                        var node = typeof elem.getAttributeNode !== "undefined" && elem.getAttributeNode("id");

                        return elem.nodeType === 1 && node && node.nodeValue === match;
                };
        }

        root.removeChild( form );

        // release memory in IE
        root = form = null;
})();

(function(){
        // Check to see if the browser returns only elements
        // when doing getElementsByTagName("*")

        // Create a fake element
        var div = document.createElement("div");
        div.appendChild( document.createComment("") );

        // Make sure no comments are found
        if ( div.getElementsByTagName("*").length > 0 ) {
                Expr.find.TAG = function( match, context ) {
                        var results = context.getElementsByTagName( match[1] );

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

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

                                results = tmp;
                        }

                        return results;
                };
        }

        // Check to see if an attribute returns normalized href attributes
        div.innerHTML = "<a href='#'></a>";

        if ( div.firstChild && typeof div.firstChild.getAttribute !== "undefined" &&
                        div.firstChild.getAttribute("href") !== "#" ) {

                Expr.attrHandle.href = function( elem ) {
                        return elem.getAttribute( "href", 2 );
                };
        }

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

if ( document.querySelectorAll ) {
        (function(){
                var oldSizzle = Sizzle,
                        div = document.createElement("div"),
                        id = "__sizzle__";

                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;

                        // Make sure that attribute selectors are quoted
                        query = query.replace(/\=\s*([^'"\]]*)\s*\]/g, "='$1']");

                        // Only use querySelectorAll on non-XML documents
                        // (ID selectors don't work in non-HTML documents)
                        if ( !seed && !Sizzle.isXML(context) ) {
                                if ( context.nodeType === 9 ) {
                                        try {
                                                return makeArray( context.querySelectorAll(query), extra );
                                        } catch(qsaError) {}

                                // qSA works strangely on Element-rooted queries
                                // We can work around this by specifying an extra ID on the root
                                // and working up from there (Thanks to Andrew Dupont for the technique)
                                // IE 8 doesn't work on object elements
                                } else if ( context.nodeType === 1 && context.nodeName.toLowerCase() !== "object" ) {
                                        var old = context.getAttribute( "id" ),
                                                nid = old || id;

                                        if ( !old ) {
                                                context.setAttribute( "id", nid );
                                        }

                                        try {
                                                return makeArray( context.querySelectorAll( "#" + nid + " " + query ), extra );

                                        } catch(pseudoError) {
                                        } finally {
                                                if ( !old ) {
                                                        context.removeAttribute( "id" );
                                                }
                                        }
                                }
                        }
                
                        return oldSizzle(query, context, extra, seed);
                };

                for ( var prop in oldSizzle ) {
                        Sizzle[ prop ] = oldSizzle[ prop ];
                }

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

(function(){
        var html = document.documentElement,
                matches = html.matchesSelector || html.mozMatchesSelector || html.webkitMatchesSelector || html.msMatchesSelector,
                pseudoWorks = false;

        try {
                // This should fail with an exception
                // Gecko does not error, returns false instead
                matches.call( document.documentElement, "[test!='']:sizzle" );
        
        } catch( pseudoError ) {
                pseudoWorks = true;
        }

        if ( matches ) {
                Sizzle.matchesSelector = function( node, expr ) {
                        // Make sure that attribute selectors are quoted
                        expr = expr.replace(/\=\s*([^'"\]]*)\s*\]/g, "='$1']");

                        if ( !Sizzle.isXML( node ) ) {
                                try { 
                                        if ( pseudoWorks || !Expr.match.PSEUDO.test( expr ) && !/!=/.test( expr ) ) {
                                                return matches.call( node, expr );
                                        }
                                } catch(e) {}
                        }

                        return Sizzle(expr, null, null, [node]).length > 0;
                };
        }
})();

(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]);
                }
        };

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

function dirNodeCheck( dir, cur, doneName, checkSet, nodeCheck, isXML ) {
        for ( var i = 0, l = checkSet.length; i < l; i++ ) {
                var elem = checkSet[i];

                if ( elem ) {
                        var match = false;

                        elem = elem[dir];

                        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 ) {
                        var match = false;
                        
                        elem = elem[dir];

                        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;
                }
        }
}

if ( document.documentElement.contains ) {
        Sizzle.contains = function( a, b ) {
                return a !== b && (a.contains ? a.contains(b) : true);
        };

} else if ( document.documentElement.compareDocumentPosition ) {
        Sizzle.contains = function( a, b ) {
                return !!(a.compareDocumentPosition(b) & 16);
        };

} else {
        Sizzle.contains = function() {
                return false;
        };
}

Sizzle.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 match,
                tmpSet = [],
                later = "",
                root = context.nodeType ? [context] : context;

        // Position selectors must be done after the filter
        // And so must :not(positional) so we move all PSEUDOs to the end
        while ( (match = Expr.match.PSEUDO.exec( selector )) ) {
                later += match[0];
                selector = selector.replace( Expr.match.PSEUDO, "" );
        }

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

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

        return Sizzle.filter( later, tmpSet );
};

// EXPOSE
jQuery.find = Sizzle;
jQuery.expr = Sizzle.selectors;
jQuery.expr[":"] = jQuery.expr.filters;
jQuery.unique = Sizzle.uniqueSort;
jQuery.text = Sizzle.getText;
jQuery.isXMLDoc = Sizzle.isXML;
jQuery.contains = Sizzle.contains;


})();


var runtil = /Until$/,
        rparentsprev = /^(?:parents|prevUntil|prevAll)/,
        // Note: This RegExp should be improved, or likely pulled from Sizzle
        rmultiselector = /,/,
        isSimple = /^.[^:#\[\.,]*$/,
        slice = Array.prototype.slice,
        POS = jQuery.expr.match.POS;

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 ) {
                var ret = [], i, l, cur = this[0];

                if ( jQuery.isArray( selectors ) ) {
                        var match, selector,
                                matches = {},
                                level = 1;

                        if ( cur && selectors.length ) {
                                for ( 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, level: level });
                                                }
                                        }

                                        cur = cur.parentNode;
                                        level++;
                                }
                        }

                        return ret;
                }

                var pos = POS.test( selectors ) ? 
                        jQuery( selectors, context || this.context ) : null;

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

                        while ( cur ) {
                                if ( pos ? pos.index(cur) > -1 : jQuery.find.matchesSelector(cur, selectors) ) {
                                        ret.push( cur );
                                        break;

                                } else {
                                        cur = cur.parentNode;
                                        if ( !cur || !cur.ownerDocument || cur === context ) {
                                                break;
                                        }
                                }
                        }
                }

                ret = ret.length > 1 ? jQuery.unique(ret) : ret;
                
                return this.pushStack( ret, "closest", selectors );
        },
        
        // 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 elems.length === 1 ?
                        jQuery.find.matchesSelector(elems[0], expr) ? [ elems[0] ] : [] :
                        jQuery.find.matches(expr, elems);
        },
        
        dir: function( elem, dir, until ) {
                var matched = [],
                        cur = elem[ dir ];

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

        nth: function( cur, result, dir, elem ) {
                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;
        }
});

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

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

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

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

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




var rinlinejQuery = / jQuery\d+="(?:\d+|null)"/g,
        rleadingWhitespace = /^\s+/,
        rxhtmlTag = /<(?!area|br|col|embed|hr|img|input|link|meta|param)(([\w:]+)[^>]*)\/>/ig,
        rtagName = /<([\w:]+)/,
        rtbody = /<tbody/i,
        rhtml = /<|&#?\w+;/,
        rnocache = /<(?:script|object|embed|option|style)/i,
        // checked="checked" or checked (html5)
        rchecked = /checked\s*(?:[^=]|=\s*.checked.)/i,
        raction = /\=([^="'>\s]+\/)>/g,
        wrapMap = {
                option: [ 1, "<select multiple='multiple'>", "</select>" ],
                legend: [ 1, "<fieldset>", "</fieldset>" ],
                thead: [ 1, "<table>", "</table>" ],
                tr: [ 2, "<table><tbody>", "</tbody></table>" ],
                td: [ 3, "<table><tbody><tr>", "</tr></tbody></table>" ],
                col: [ 2, "<table><tbody></tbody><colgroup>", "</colgroup></table>" ],
                area: [ 1, "<map>", "</map>" ],
                _default: [ 0, "", "" ]
        };

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

// IE can't serialize <link> and <script> tags normally
if ( !jQuery.support.htmlSerialize ) {
        wrapMap._default = [ 1, "div<div>", "</div>" ];
}

jQuery.fn.extend({
        text: function( text ) {
                if ( jQuery.isFunction(text) ) {
                        return this.each(function(i) {
                                var self = jQuery( this );

                                self.text( text.call(this, i, self.text()) );
                        });
                }

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

                return jQuery.text( 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 ) {
                if ( jQuery.isFunction( html ) ) {
                        return this.each(function(i) {
                                jQuery(this).wrapInner( html.call(this, i) );
                        });
                }

                return this.each(function() {
                        var self = jQuery( this ),
                                contents = self.contents();

                        if ( contents.length ) {
                                contents.wrapAll( html );

                        } else {
                                self.append( html );
                        }
                });
        },

        wrap: function( html ) {
                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;
                }
        },
        
        // keepData is for internal use only--do not document
        remove: function( selector, keepData ) {
                for ( var i = 0, elem; (elem = this[i]) != null; i++ ) {
                        if ( !selector || jQuery.filter( selector, [ elem ] ).length ) {
                                if ( !keepData && elem.nodeType === 1 ) {
                                        jQuery.cleanData( elem.getElementsByTagName("*") );
                                        jQuery.cleanData( [ elem ] );
                                }

                                if ( elem.parentNode ) {
                                         elem.parentNode.removeChild( elem );
                                }
                        }
                }
                
                return this;
        },

        empty: function() {
                for ( var i = 0, elem; (elem = this[i]) != null; i++ ) {
                        // Remove element nodes and prevent memory leaks
                        if ( elem.nodeType === 1 ) {
                                jQuery.cleanData( elem.getElementsByTagName("*") );
                        }

                        // Remove any remaining nodes
                        while ( elem.firstChild ) {
                                elem.removeChild( elem.firstChild );
                        }
                }
                
                return this;
        },

        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, "")
                                        // Handle the case in IE 8 where action=/test/> self-closes a tag
                                        .replace(raction, '="$1">')
                                        .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 === undefined ) {
                        return this[0] && this[0].nodeType === 1 ?
                                this[0].innerHTML.replace(rinlinejQuery, "") :
                                null;

                // See if we can take a shortcut and just use innerHTML
                } else if ( typeof value === "string" && !rnocache.test( value ) &&
                        (jQuery.support.leadingWhitespace || !rleadingWhitespace.test( value )) &&
                        !wrapMap[ (rtagName.exec( value ) || ["", ""])[1].toLowerCase() ] ) {

                        value = value.replace(rxhtmlTag, "<$1></$2>");

                        try {
                                for ( var i = 0, l = this.length; i < l; i++ ) {
                                        // Remove element nodes and prevent memory leaks
                                        if ( this[i].nodeType === 1 ) {
                                                jQuery.cleanData( this[i].getElementsByTagName("*") );
                                                this[i].innerHTML = value;
                                        }
                                }

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

                } else if ( jQuery.isFunction( value ) ) {
                        this.each(function(i){
                                var self = jQuery( this );

                                self.html( value.call(this, i, self.html()) );
                        });

                } 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 ) ) {
                                return this.each(function(i) {
                                        var self = jQuery(this), old = self.html();
                                        self.replaceWith( value.call( this, i, old ) );
                                });
                        }

                        if ( typeof value !== "string" ) {
                                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, fragment, parent,
                        value = args[0],
                        scripts = [];

                // We can't cloneNode fragments that contain checked, in WebKit
                if ( !jQuery.support.checkClone && arguments.length === 3 && typeof value === "string" && rchecked.test( value ) ) {
                        return this.each(function() {
                                jQuery(this).domManip( args, table, callback, true );
                        });
                }

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

                if ( this[0] ) {
                        parent = value && value.parentNode;

                        // If we're in a fragment, just use that instead of building a new one
                        if ( jQuery.support.parentNode && parent && parent.nodeType === 11 && parent.childNodes.length === this.length ) {
                                results = { fragment: parent };

                        } else {
                                results = jQuery.buildFragment( args, this, scripts );
                        }
                        
                        fragment = results.fragment;
                        
                        if ( fragment.childNodes.length === 1 ) {
                                first = fragment = fragment.firstChild;
                        } else {
                                first = 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],
                                                i > 0 || results.cacheable || this.length > 1  ?
                                                        fragment.cloneNode(true) :
                                                        fragment
                                        );
                                }
                        }

                        if ( scripts.length ) {
                                jQuery.each( scripts, evalScript );
                        }
                }

                return this;
        }
});

function root( elem, cur ) {
        return jQuery.nodeName(elem, "table") ?
                (elem.getElementsByTagName("tbody")[0] ||
                elem.appendChild(elem.ownerDocument.createElement("tbody"))) :
                elem;
}

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

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

                var oldData = jQuery.data( orig[i++] ),
                        curData = jQuery.data( this, oldData ),
                        events = oldData && oldData.events;

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

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

jQuery.buildFragment = function( args, nodes, scripts ) {
        var fragment, cacheable, cacheresults,
                doc = (nodes && nodes[0] ? nodes[0].ownerDocument || nodes[0] : document);

        // Only cache "small" (1/2 KB) strings that are associated with the main document
        // Cloning options loses the selected state, so don't cache them
        // IE 6 doesn't like it when you put <object> or <embed> elements in a fragment
        // Also, WebKit does not clone 'checked' attributes on cloneNode, so don't cache
        if ( args.length === 1 && typeof args[0] === "string" && args[0].length < 512 && doc === document &&
                !rnocache.test( args[0] ) && (jQuery.support.checkClone || !rchecked.test( args[0] )) ) {

                cacheable = true;
                cacheresults = jQuery.fragments[ args[0] ];
                if ( cacheresults ) {
                        if ( cacheresults !== 1 ) {
                                fragment = cacheresults;
                        }
                }
        }

        if ( !fragment ) {
                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 ),
                        parent = this.length === 1 && this[0].parentNode;
                
                if ( parent && parent.nodeType === 11 && parent.childNodes.length === 1 && insert.length === 1 ) {
                        insert[ original ]( this[0] );
                        return this;
                        
                } else {
                        for ( var i = 0, l = insert.length; i < l; i++ ) {
                                var elems = (i > 0 ? this.clone(true) : this).get();
                                jQuery( insert[i] )[ original ]( elems );
                                ret = ret.concat( elems );
                        }
                
                        return this.pushStack( ret, name, insert.selector );
                }
        };
});

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 = [];

                for ( var i = 0, elem; (elem = elems[i]) != null; i++ ) {
                        if ( typeof elem === "number" ) {
                                elem += "";
                        }

                        if ( !elem ) {
                                continue;
                        }

                        // 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, "<$1></$2>");

                                // 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 = div.childNodes;
                        }

                        if ( elem.nodeType ) {
                                ret.push( elem );
                        } else {
                                ret = jQuery.merge( ret, elem );
                        }
                }

                if ( fragment ) {
                        for ( i = 0; ret[i]; i++ ) {
                                if ( scripts && jQuery.nodeName( ret[i], "script" ) && (!ret[i].type || ret[i].type.toLowerCase() === "text/javascript") ) {
                                        scripts.push( ret[i].parentNode ? ret[i].parentNode.removeChild( ret[i] ) : ret[i] );
                                
                                } else {
                                        if ( ret[i].nodeType === 1 ) {
                                                ret.splice.apply( ret, [i + 1, 0].concat(jQuery.makeArray(ret[i].getElementsByTagName("script"))) );
                                        }
                                        fragment.appendChild( ret[i] );
                                }
                        }
                }

                return ret;
        },
        
        cleanData: function( elems ) {
                var data, id, cache = jQuery.cache,
                        special = jQuery.event.special,
                        deleteExpando = jQuery.support.deleteExpando;
                
                for ( var i = 0, elem; (elem = elems[i]) != null; i++ ) {
                        if ( elem.nodeName && jQuery.noData[elem.nodeName.toLowerCase()] ) {
                                continue;
                        }

                        id = elem[ jQuery.expando ];
                        
                        if ( id ) {
                                data = cache[ id ];
                                
                                if ( data && data.events ) {
                                        for ( var type in data.events ) {
                                                if ( special[ type ] ) {
                                                        jQuery.event.remove( elem, type );

                                                } else {
                                                        jQuery.removeEvent( elem, type, data.handle );
                                                }
                                        }
                                }
                                
                                if ( deleteExpando ) {
                                        delete elem[ jQuery.expando ];

                                } else if ( elem.removeAttribute ) {
                                        elem.removeAttribute( jQuery.expando );
                                }
                                
                                delete cache[ id ];
                        }
                }
        }
});

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 );
        }
}




var ralpha = /alpha\([^)]*\)/i,
        ropacity = /opacity=([^)]*)/,
        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" ],
        curCSS,

        getComputedStyle,
        currentStyle,

        fcamelCase = function( all, letter ) {
                return letter.toUpperCase();
        };

jQuery.fn.css = function( name, value ) {
        // Setting 'undefined' is a no-op
        if ( arguments.length === 2 && value === undefined ) {
                return this;
        }

        return jQuery.access( this, name, value, true, function( elem, name, value ) {
                return value !== undefined ?
                        jQuery.style( elem, name, value ) :
                        jQuery.css( elem, name );
        });
};

jQuery.extend({
        // Add in style property hooks for overriding the default
        // behavior of getting and setting a style property
        cssHooks: {
                opacity: {
                        get: function( elem, computed ) {
                                if ( computed ) {
                                        // We should always get a number back from opacity
                                        var ret = curCSS( elem, "opacity", "opacity" );
                                        return ret === "" ? "1" : ret;

                                } else {
                                        return elem.style.opacity;
                                }
                        }
                }
        },

        // Exclude the following css properties to add px
        cssNumber: {
                "zIndex": true,
                "fontWeight": true,
                "opacity": true,
                "zoom": true,
                "lineHeight": true
        },

        // Add in properties whose names you wish to fix before
        // setting or getting the value
        cssProps: {
                // normalize float css property
                "float": jQuery.support.cssFloat ? "cssFloat" : "styleFloat"
        },

        // Get and set the style property on a DOM Node
        style: function( elem, name, value, extra ) {
                // Don't set styles on text and comment nodes
                if ( !elem || elem.nodeType === 3 || elem.nodeType === 8 || !elem.style ) {
                        return;
                }

                // Make sure that we're working with the right name
                var ret, origName = jQuery.camelCase( name ),
                        style = elem.style, hooks = jQuery.cssHooks[ origName ];

                name = jQuery.cssProps[ origName ] || origName;

                // Check if we're setting a value
                if ( value !== undefined ) {
                        // Make sure that NaN and null values aren't set. See: #7116
                        if ( typeof value === "number" && isNaN( value ) || value == null ) {
                                return;
                        }

                        // If a number was passed in, add 'px' to the (except for certain CSS properties)
                        if ( typeof value === "number" && !jQuery.cssNumber[ origName ] ) {
                                value += "px";
                        }

                        // If a hook was provided, use that value, otherwise just set the specified value
                        if ( !hooks || !("set" in hooks) || (value = hooks.set( elem, value )) !== undefined ) {
                                // Wrapped to prevent IE from throwing errors when 'invalid' values are provided
                                // Fixes bug #5509
                                try {
                                        style[ name ] = value;
                                } catch(e) {}
                        }

                } else {
                        // If a hook was provided get the non-computed value from there
                        if ( hooks && "get" in hooks && (ret = hooks.get( elem, false, extra )) !== undefined ) {
                                return ret;
                        }

                        // Otherwise just get the value from the style object
                        return style[ name ];
                }
        },

        css: function( elem, name, extra ) {
                // Make sure that we're working with the right name
                var ret, origName = jQuery.camelCase( name ),
                        hooks = jQuery.cssHooks[ origName ];

                name = jQuery.cssProps[ origName ] || origName;

                // If a hook was provided get the computed value from there
                if ( hooks && "get" in hooks && (ret = hooks.get( elem, true, extra )) !== undefined ) {
                        return ret;

                // Otherwise, if a way to get the computed value exists, use that
                } else if ( curCSS ) {
                        return curCSS( elem, name, origName );
                }
        },

        // 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 ( name in options ) {
                        elem.style[ name ] = old[ name ];
                }
        },

        camelCase: function( string ) {
                return string.replace( rdashAlpha, fcamelCase );
        }
});

// DEPRECATED, Use jQuery.css() instead
jQuery.curCSS = jQuery.css;

jQuery.each(["height", "width"], function( i, name ) {
        jQuery.cssHooks[ name ] = {
                get: function( elem, computed, extra ) {
                        var val;

                        if ( computed ) {
                                if ( elem.offsetWidth !== 0 ) {
                                        val = getWH( elem, name, extra );

                                } else {
                                        jQuery.swap( elem, cssShow, function() {
                                                val = getWH( elem, name, extra );
                                        });
                                }

                                if ( val <= 0 ) {
                                        val = curCSS( elem, name, name );

                                        if ( val === "0px" && currentStyle ) {
                                                val = currentStyle( elem, name, name );
                                        }

                                        if ( val != null ) {
                                                // Should return "auto" instead of 0, use 0 for
                                                // temporary backwards-compat
                                                return val === "" || val === "auto" ? "0px" : val;
                                        }
                                }

                                if ( val < 0 || val == null ) {
                                        val = elem.style[ name ];

                                        // Should return "auto" instead of 0, use 0 for
                                        // temporary backwards-compat
                                        return val === "" || val === "auto" ? "0px" : val;
                                }

                                return typeof val === "string" ? val : val + "px";
                        }
                },

                set: function( elem, value ) {
                        if ( rnumpx.test( value ) ) {
                                // ignore negative width and height values #1599
                                value = parseFloat(value);

                                if ( value >= 0 ) {
                                        return value + "px";
                                }

                        } else {
                                return value;
                        }
                }
        };
});

if ( !jQuery.support.opacity ) {
        jQuery.cssHooks.opacity = {
                get: function( elem, computed ) {
                        // IE uses filters for opacity
                        return ropacity.test((computed && elem.currentStyle ? elem.currentStyle.filter : elem.style.filter) || "") ?
                                (parseFloat(RegExp.$1) / 100) + "" :
                                computed ? "1" : "";
                },

                set: function( elem, value ) {
                        var style = elem.style;

                        // 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 = jQuery.isNaN(value) ?
                                "" :
                                "alpha(opacity=" + value * 100 + ")",
                                filter = style.filter || "";

                        style.filter = ralpha.test(filter) ?
                                filter.replace(ralpha, opacity) :
                                style.filter + ' ' + opacity;
                }
        };
}

if ( document.defaultView && document.defaultView.getComputedStyle ) {
        getComputedStyle = function( elem, newName, name ) {
                var ret, defaultView, computedStyle;

                name = name.replace( rupper, "-$1" ).toLowerCase();

                if ( !(defaultView = elem.ownerDocument.defaultView) ) {
                        return undefined;
                }

                if ( (computedStyle = defaultView.getComputedStyle( elem, null )) ) {
                        ret = computedStyle.getPropertyValue( name );
                        if ( ret === "" && !jQuery.contains( elem.ownerDocument.documentElement, elem ) ) {
                                ret = jQuery.style( elem, name );
                        }
                }

                return ret;
        };
}

if ( document.documentElement.currentStyle ) {
        currentStyle = function( elem, name ) {
                var left, rsLeft,
                        ret = elem.currentStyle && elem.currentStyle[ name ],
                        style = elem.style;

                // 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
                        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 = name === "fontSize" ? "1em" : (ret || 0);
                        ret = style.pixelLeft + "px";

                        // Revert the changed values
                        style.left = left;
                        elem.runtimeStyle.left = rsLeft;
                }

                return ret === "" ? "auto" : ret;
        };
}

curCSS = getComputedStyle || currentStyle;

function getWH( elem, name, extra ) {
        var which = name === "width" ? cssWidth : cssHeight,
                val = name === "width" ? elem.offsetWidth : elem.offsetHeight;

        if ( extra === "border" ) {
                return val;
        }

        jQuery.each( which, function() {
                if ( !extra ) {
                        val -= parseFloat(jQuery.css( elem, "padding" + this )) || 0;
                }

                if ( extra === "margin" ) {
                        val += parseFloat(jQuery.css( elem, "margin" + this )) || 0;

                } else {
                        val -= parseFloat(jQuery.css( elem, "border" + this + "Width" )) || 0;
                }
        });

        return val;
}

if ( jQuery.expr && jQuery.expr.filters ) {
        jQuery.expr.filters.hidden = function( elem ) {
                var width = elem.offsetWidth,
                        height = elem.offsetHeight;

                return (width === 0 && height === 0) || (!jQuery.support.reliableHiddenOffsets && (elem.style.display || jQuery.css( elem, "display" )) === "none");
        };

        jQuery.expr.filters.visible = function( elem ) {
                return !jQuery.expr.filters.hidden( elem );
        };
}




var jsc = jQuery.now(),
        rscript = /<script\b[^<]*(?:(?!<\/script>)<[^<]*)*<\/script>/gi,
        rselectTextarea = /^(?:select|textarea)/i,
        rinput = /^(?:color|date|datetime|email|hidden|month|number|password|range|search|tel|text|time|url|week)$/i,
        rnoContent = /^(?:GET|HEAD)$/,
        rbracket = /\[\]$/,
        jsre = /\=\?(&|$)/,
        rquery = /\?/,
        rts = /([?&])_=[^&]*/,
        rurl = /^(\w+:)?\/\/([^\/?#]+)/,
        r20 = /%20/g,
        rhash = /#.*$/,

        // Keep a copy of the old load method
        _load = jQuery.fn.load;

jQuery.fn.extend({
        load: function( url, params, callback ) {
                if ( typeof url !== "string" && _load ) {
                        return _load.apply( this, arguments );

                // Don't do a request if no elements are being requested
                } else if ( !this.length ) {
                        return this;
                }

                var off = url.indexOf(" ");
                if ( off >= 0 ) {
                        var selector = url.slice(off, url.length);
                        url = url.slice(0, off);
                }

                // Default to a GET request
                var type = "GET";

                // If the second parameter was provided
                if ( params ) {
                        // If it's a function
                        if ( jQuery.isFunction( params ) ) {
                                // We assume that it's the callback
                                callback = params;
                                params = null;

                        // Otherwise, build a param string
                        } else if ( typeof params === "object" ) {
                                params = jQuery.param( params, jQuery.ajaxSettings.traditional );
                                type = "POST";
                        }
                }

                var self = this;

                // Request the remote document
                jQuery.ajax({
                        url: url,
                        type: type,
                        dataType: "html",
                        data: params,
                        complete: function( res, status ) {
                                // If successful, inject the HTML into all the matched elements
                                if ( status === "success" || status === "notmodified" ) {
                                        // See if a selector was specified
                                        self.html( selector ?
                                                // Create a dummy div to hold the results
                                                jQuery("<div>")
                                                        // inject the contents of the document in, removing the scripts
                                                        // to avoid any 'Permission Denied' errors in IE
                                                        .append(res.responseText.replace(rscript, ""))

                                                        // Locate the specified elements
                                                        .find(selector) :

                                                // If not, just inject the full result
                                                res.responseText );
                                }

                                if ( callback ) {
                                        self.each( callback, [res.responseText, status, res] );
                                }
                        }
                });

                return this;
        },

        serialize: function() {
                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 events
jQuery.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,
                */
                // This function can be overriden by calling jQuery.ajaxSetup
                xhr: function() {
                        return new window.XMLHttpRequest();
                },
                accepts: {
                        xml: "application/xml, text/xml",
                        html: "text/html",
                        script: "text/javascript, application/javascript",
                        json: "application/json, text/javascript",
                        text: "text/plain",
                        _default: "*/*"
                }
        },

        ajax: function( origSettings ) {
                var s = jQuery.extend(true, {}, jQuery.ajaxSettings, origSettings),
                        jsonp, status, data, type = s.type.toUpperCase(), noContent = rnoContent.test(type);

                s.url = s.url.replace( rhash, "" );

                // Use original (not extended) context object if it was provided
                s.context = origSettings && origSettings.context != null ? origSettings.context : s;

                // 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
                        var customJsonp = window[ jsonp ];

                        window[ jsonp ] = function( tmp ) {
                                if ( jQuery.isFunction( customJsonp ) ) {
                                        customJsonp( tmp );

                                } else {
                                        // Garbage collect
                                        window[ jsonp ] = undefined;

                                        try {
                                                delete window[ jsonp ];
                                        } catch( jsonpError ) {}
                                }

                                data = tmp;
                                jQuery.handleSuccess( s, xhr, status, data );
                                jQuery.handleComplete( s, xhr, status, data );
                                
                                if ( head ) {
                                        head.removeChild( script );
                                }
                        };
                }

                if ( s.dataType === "script" && s.cache === null ) {
                        s.cache = false;
                }

                if ( s.cache === false && noContent ) {
                        var ts = jQuery.now();

                        // try replacing _= if it is there
                        var ret = s.url.replace(rts, "$1_=" + ts);

                        // 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/HEAD requests
                if ( s.data && noContent ) {
                        s.url += (rquery.test(s.url) ? "&" : "?") + s.data;
                }

                // Watch for a new set of requests
                if ( s.global && jQuery.active++ === 0 ) {
                        jQuery.event.trigger( "ajaxStart" );
                }

                // Matches an absolute URL, and saves the domain
                var parts = rurl.exec( s.url ),
                        remote = parts && (parts[1] && parts[1].toLowerCase() !== location.protocol || parts[2].toLowerCase() !== 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");
                        if ( s.scriptCharset ) {
                                script.charset = s.scriptCharset;
                        }
                        script.src = s.url;

                        // 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;
                                                jQuery.handleSuccess( s, xhr, status, data );
                                                jQuery.handleComplete( s, xhr, status, data );

                                                // 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 content-type if data specified and content-body is valid for this type
                        if ( (s.data != null && !noContent) || (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 ] + ", */*; q=0.01" :
                                s.accepts._default );
                } catch( headerError ) {}

                // Allow custom headers/mimetypes and early abort
                if ( s.beforeSend && s.beforeSend.call(s.context, xhr, s) === false ) {
                        // Handle the global AJAX counter
                        if ( s.global && jQuery.active-- === 1 ) {
                                jQuery.event.trigger( "ajaxStop" );
                        }

                        // close opended socket
                        xhr.abort();
                        return false;
                }

                if ( s.global ) {
                        jQuery.triggerGlobal( s, "ajaxSend", [xhr, s] );
                }

                // Wait for a response to come back
                var onreadystatechange = xhr.onreadystatechange = function( isTimeout ) {
                        // The request was aborted
                        if ( !xhr || xhr.readyState === 0 || isTimeout === "abort" ) {
                                // Opera doesn't call onreadystatechange before this point
                                // so we simulate the call
                                if ( !requestDone ) {
                                        jQuery.handleComplete( s, xhr, status, data );
                                }

                                requestDone = true;
                                if ( xhr ) {
                                        xhr.onreadystatechange = jQuery.noop;
                                }

                        // The transfer is complete and the data is available, or the request timed out
                        } else if ( !requestDone && xhr && (xhr.readyState === 4 || isTimeout === "timeout") ) {
                                requestDone = true;
                                xhr.onreadystatechange = jQuery.noop;

                                status = isTimeout === "timeout" ?
                                        "timeout" :
                                        !jQuery.httpSuccess( xhr ) ?
                                                "error" :
                                                s.ifModified && jQuery.httpNotModified( xhr, s.url ) ?
                                                        "notmodified" :
                                                        "success";

                                var errMsg;

                                if ( status === "success" ) {
                                        // Watch for, and catch, XML document parse errors
                                        try {
                                                // process the data (runs the xml through httpData regardless of callback)
                                                data = jQuery.httpData( xhr, s.dataType, s );
                                        } catch( parserError ) {
                                                status = "parsererror";
                                                errMsg = parserError;
                                        }
                                }

                                // Make sure that the request was successful or notmodified
                                if ( status === "success" || status === "notmodified" ) {
                                        // JSONP handles its own success callback
                                        if ( !jsonp ) {
                                                jQuery.handleSuccess( s, xhr, status, data );
                                        }
                                } else {
                                        jQuery.handleError( s, xhr, status, errMsg );
                                }

                                // Fire the complete handlers
                                if ( !jsonp ) {
                                        jQuery.handleComplete( s, xhr, status, data );
                                }

                                if ( isTimeout === "timeout" ) {
                                        xhr.abort();
                                }

                                // Stop memory leaks
                                if ( s.async ) {
                                        xhr = null;
                                }
                        }
                };

                // Override the abort handler, if we can (IE 6 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 has no call property in IE7 so
                                        // just do it this way, which works in all
                                        // browsers
                                        Function.prototype.call.call( oldAbort, xhr );
                                }

                                onreadystatechange( "abort" );
                        };
                } catch( abortError ) {}

                // 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( noContent || s.data == null ? null : s.data );

                } catch( sendError ) {
                        jQuery.handleError( s, xhr, null, sendError );

                        // Fire the complete handlers
                        jQuery.handleComplete( s, xhr, status, data );
                }

                // firefox 1.5 doesn't fire statechange for sync requests
                if ( !s.async ) {
                        onreadystatechange();
                }

                // return XMLHttpRequest to allow aborting the request etc.
                return xhr;
        },

        // Serialize an array of form elements or a set of
        // key/values into a query string
        param: function( a, traditional ) {
                var s = [],
                        add = function( key, value ) {
                                // If value is a function, invoke it and return its value
                                value = jQuery.isFunction(value) ? value() : value;
                                s[ s.length ] = encodeURIComponent(key) + "=" + encodeURIComponent(value);
                        };
                
                // Set traditional to true for jQuery <= 1.3.2 behavior.
                if ( traditional === undefined ) {
                        traditional = jQuery.ajaxSettings.traditional;
                }
                
                // If an array was passed in, assume that it is an array of form elements.
                if ( jQuery.isArray(a) || a.jquery ) {
                        // Serialize the form elements
                        jQuery.each( a, function() {
                                add( this.name, this.value );
                        });
                        
                } else {
                        // If traditional, encode the "old" way (the way 1.3.2 or older
                        // did it), otherwise encode params recursively.
                        for ( var prefix in a ) {
                                buildParams( prefix, a[prefix], traditional, add );
                        }
                }

                // Return the resulting serialization
                return s.join("&").replace(r20, "+");
        }
});

function buildParams( prefix, obj, traditional, add ) {
        if ( jQuery.isArray(obj) && obj.length ) {
                // Serialize array item.
                jQuery.each( obj, function( i, v ) {
                        if ( traditional || rbracket.test( prefix ) ) {
                                // Treat each array item as a scalar.
                                add( prefix, v );

                        } else {
                                // 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, traditional, add );
                        }
                });
                        
        } else if ( !traditional && obj != null && typeof obj === "object" ) {
                if ( jQuery.isEmptyObject( obj ) ) {
                        add( prefix, "" );

                // Serialize object item.
                } else {
                        jQuery.each( obj, function( k, v ) {
                                buildParams( prefix + "[" + k + "]", v, traditional, add );
                        });
                }
                                        
        } else {
                // Serialize scalar item.
                add( prefix, obj );
        }
}

// This is still on the jQuery object... for now
// Want to move this to jQuery.ajax some day
jQuery.extend({

        // Counter for holding the number of active queries
        active: 0,

        // Last-Modified header cache for next request
        lastModified: {},
        etag: {},

        handleError: function( s, xhr, status, e ) {
                // If a local callback was specified, fire it
                if ( s.error ) {
                        s.error.call( s.context, xhr, status, e );
                }

                // Fire the global callback
                if ( s.global ) {
                        jQuery.triggerGlobal( s, "ajaxError", [xhr, s, e] );
                }
        },

        handleSuccess: function( s, xhr, status, data ) {
                // If a local callback was specified, fire it and pass it the data
                if ( s.success ) {
                        s.success.call( s.context, data, status, xhr );
                }

                // Fire the global callback
                if ( s.global ) {
                        jQuery.triggerGlobal( s, "ajaxSuccess", [xhr, s] );
                }
        },

        handleComplete: function( s, xhr, status ) {
                // Process result
                if ( s.complete ) {
                        s.complete.call( s.context, xhr, status );
                }

                // The request was completed
                if ( s.global ) {
                        jQuery.triggerGlobal( s, "ajaxComplete", [xhr, s] );
                }

                // Handle the global AJAX counter
                if ( s.global && jQuery.active-- === 1 ) {
                        jQuery.event.trigger( "ajaxStop" );
                }
        },
                
        triggerGlobal: function( s, type, args ) {
                (s.context && s.context.url == null ? jQuery(s.context) : jQuery.event).trigger(type, args);
        },

        // 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:" ||
                                xhr.status >= 200 && xhr.status < 300 ||
                                xhr.status === 304 || xhr.status === 1223;
                } 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;
                }

                return xhr.status === 304;
        },

        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" ) {
                        jQuery.error( "parsererror" );
                }

                // Allow a pre-filtering function to sanitize the response
                // s is checked to keep backwards compatibility
                if ( s && s.dataFilter ) {
                        data = s.dataFilter( data, type );
                }

                // The filter can actually parse the response
                if ( typeof data === "string" ) {
                        // Get the JavaScript object, if JSON is used.
                        if ( type === "json" || !type && ct.indexOf("json") >= 0 ) {
                                data = jQuery.parseJSON( data );

                        // If the type is "script", eval it in global context
                        } else if ( type === "script" || !type && ct.indexOf("javascript") >= 0 ) {
                                jQuery.globalEval( data );
                        }
                }

                return data;
        }

});

/*
 * 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
 * Additionally XMLHttpRequest can be disabled in IE7/IE8 so
 * we need a fallback.
 */
if ( window.ActiveXObject ) {
        jQuery.ajaxSettings.xhr = function() {
                if ( window.location.protocol !== "file:" ) {
                        try {
                                return new window.XMLHttpRequest();
                        } catch(xhrError) {}
                }

                try {
                        return new window.ActiveXObject("Microsoft.XMLHTTP");
                } catch(activeError) {}
        };
}

// Does this browser support XHR requests?
jQuery.support.ajax = !!jQuery.ajaxSettings.xhr();




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, easing, callback ) {
                var elem, display;

                if ( speed || speed === 0 ) {
                        return this.animate( genFx("show", 3), speed, easing, callback);

                } else {
                        for ( var i = 0, j = this.length; i < j; i++ ) {
                                elem = this[i];
                                display = elem.style.display;

                                // Reset the inline display of this element to learn if it is
                                // being hidden by cascaded rules or not
                                if ( !jQuery.data(elem, "olddisplay") && display === "none" ) {
                                        display = elem.style.display = "";
                                }

                                // Set elements which have been overridden with display: none
                                // in a stylesheet to whatever the default browser style is
                                // for such an element
                                if ( display === "" && jQuery.css( elem, "display" ) === "none" ) {
                                        jQuery.data(elem, "olddisplay", defaultDisplay(elem.nodeName));
                                }
                        }

                        // Set the display of most of the elements in a second loop
                        // to avoid the constant reflow
                        for ( i = 0; i < j; i++ ) {
                                elem = this[i];
                                display = elem.style.display;

                                if ( display === "" || display === "none" ) {
                                        elem.style.display = jQuery.data(elem, "olddisplay") || "";
                                }
                        }

                        return this;
                }
        },

        hide: function( speed, easing, callback ) {
                if ( speed || speed === 0 ) {
                        return this.animate( genFx("hide", 3), speed, easing, callback);

                } else {
                        for ( var i = 0, j = this.length; i < j; i++ ) {
                                var display = jQuery.css( this[i], "display" );

                                if ( display !== "none" ) {
                                        jQuery.data( this[i], "olddisplay", display );
                                }
                        }

                        // Set the display of the elements in a second loop
                        // to avoid the constant reflow
                        for ( i = 0; i < j; i++ ) {
                                this[i].style.display = "none";
                        }

                        return this;
                }
        },

        // Save the old toggle function
        _toggle: jQuery.fn.toggle,

        toggle: function( fn, fn2, callback ) {
                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, callback);
                }

                return this;
        },

        fadeTo: function( speed, to, easing, callback ) {
                return this.filter(":hidden").css("opacity", 0).show().end()
                                        .animate({opacity: to}, speed, easing, 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() {
                        // XXX 'this' does not always have a nodeName when running the
                        // test suite

                        var opt = jQuery.extend({}, optall), p,
                                isElement = this.nodeType === 1,
                                hidden = isElement && jQuery(this).is(":hidden"),
                                self = this;

                        for ( p in prop ) {
                                var name = jQuery.camelCase( p );

                                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 ( isElement && ( p === "height" || p === "width" ) ) {
                                        // Make sure that nothing sneaks out
                                        // Record all 3 overflow attributes because IE does not
                                        // change the overflow attribute when overflowX and
                                        // overflowY are set to the same value
                                        opt.overflow = [ this.style.overflow, this.style.overflowX, this.style.overflowY ];

                                        // Set display property to inline-block for height/width
                                        // animations on inline elements that are having width/height
                                        // animated
                                        if ( jQuery.css( this, "display" ) === "inline" &&
                                                        jQuery.css( this, "float" ) === "none" ) {
                                                if ( !jQuery.support.inlineBlockNeedsLayout ) {
                                                        this.style.display = "inline-block";

                                                } else {
                                                        var display = defaultDisplay(this.nodeName);

                                                        // inline-level elements accept inline-block;
                                                        // block-level elements need to be inline with layout
                                                        if ( display === "inline" ) {
                                                                this.style.display = "inline-block";

                                                        } else {
                                                                this.style.display = "inline";
                                                                this.style.zoom = 1;
                                                        }
                                                }
                                        }
                                }

                                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() || 0;

                                        if ( parts ) {
                                                var end = parseFloat( parts[2] ),
                                                        unit = parts[3] || "px";

                                                // We need to compute starting value
                                                if ( unit !== "px" ) {
                                                        jQuery.style( self, name, (end || 1) + unit);
                                                        start = ((end || 1) / e.cur()) * start;
                                                        jQuery.style( self, 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;
        }

});

function genFx( type, num ) {
        var obj = {};

        jQuery.each( fxAttrs.concat.apply([], fxAttrs.slice(0,num)), function() {
                obj[ this ] = type;
        });

        return obj;
}

// Generate shortcuts for custom animations
jQuery.each({
        slideDown: genFx("show", 1),
        slideUp: genFx("hide", 1),
        slideToggle: genFx("toggle", 1),
        fadeIn: { opacity: "show" },
        fadeOut: { opacity: "hide" },
        fadeToggle: { opacity: "toggle" }
}, function( name, props ) {
        jQuery.fn[ name ] = function( speed, easing, callback ) {
                return this.animate( props, speed, easing, callback );
        };
});

jQuery.extend({
        speed: function( speed, easing, fn ) {
                var opt = speed && typeof speed === "object" ? jQuery.extend({}, speed) : {
                        complete: fn || !fn && easing ||
                                jQuery.isFunction( speed ) && speed,
                        duration: speed,
                        easing: fn && easing || easing && !jQuery.isFunction(easing) && easing
                };

                opt.duration = jQuery.fx.off ? 0 : typeof opt.duration === "number" ? opt.duration :
                        opt.duration in jQuery.fx.speeds ? jQuery.fx.speeds[opt.duration] : jQuery.fx.speeds._default;

                // 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 );
        },

        // Get the current size
        cur: function() {
                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 ) );
                return r && r > -10000 ? r : 0;
        },

        // Start an animation from one number to another
        custom: function( from, to, unit ) {
                var self = this,
                        fx = jQuery.fx;

                this.startTime = jQuery.now();
                this.start = from;
                this.end = to;
                this.unit = unit || this.unit || "px";
                this.now = this.start;
                this.pos = this.state = 0;

                function t( gotoEnd ) {
                        return self.step(gotoEnd);
                }

                t.elem = this.elem;

                if ( t() && jQuery.timers.push(t) && !timerId ) {
                        timerId = setInterval(fx.tick, fx.interval);
                }
        },

        // 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 = jQuery.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 ) {
                                // Reset the overflow
                                if ( this.options.overflow != null && !jQuery.support.shrinkWrapBlocks ) {
                                        var elem = this.elem,
                                                options = this.options;

                                        jQuery.each( [ "", "X", "Y" ], function (index, value) {
                                                elem.style[ "overflow" + value ] = options.overflow[index];
                                        } );
                                }

                                // 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();
                }
        },

        interval: 13,

        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 defaultDisplay( nodeName ) {
        if ( !elemdisplay[ nodeName ] ) {
                var elem = jQuery("<" + nodeName + ">").appendTo("body"),
                        display = elem.css("display");

                elem.remove();

                if ( display === "none" || display === "" ) {
                        display = "block";
                }

                elemdisplay[ nodeName ] = display;
        }

        return elemdisplay[ nodeName ];
}




var rtable = /^t(?:able|d|h)$/i,
        rroot = /^(?:body|html)$/i;

if ( "getBoundingClientRect" in document.documentElement ) {
        jQuery.fn.offset = function( options ) {
                var elem = this[0], box;

                if ( options ) { 
                        return this.each(function( i ) {
                                jQuery.offset.setOffset( this, options, i );
                        });
                }

                if ( !elem || !elem.ownerDocument ) {
                        return null;
                }

                if ( elem === elem.ownerDocument.body ) {
                        return jQuery.offset.bodyOffset( elem );
                }

                try {
                        box = elem.getBoundingClientRect();
                } catch(e) {}

                var doc = elem.ownerDocument,
                        docElem = doc.documentElement;

                // Make sure we're not dealing with a disconnected DOM node
                if ( !box || !jQuery.contains( docElem, elem ) ) {
                        return box || { top: 0, left: 0 };
                }

                var body = doc.body,
                        win = getWindow(doc),
                        clientTop  = docElem.clientTop  || body.clientTop  || 0,
                        clientLeft = docElem.clientLeft || body.clientLeft || 0,
                        scrollTop  = (win.pageYOffset || jQuery.support.boxModel && docElem.scrollTop  || body.scrollTop ),
                        scrollLeft = (win.pageXOffset || jQuery.support.boxModel && docElem.scrollLeft || body.scrollLeft),
                        top  = box.top  + scrollTop  - clientTop,
                        left = box.left + scrollLeft - clientLeft;

                return { top: top, left: left };
        };

} else {
        jQuery.fn.offset = function( options ) {
                var elem = this[0];

                if ( options ) { 
                        return this.each(function( i ) {
                                jQuery.offset.setOffset( this, options, i );
                        });
                }

                if ( !elem || !elem.ownerDocument ) {
                        return null;
                }

                if ( elem === elem.ownerDocument.body ) {
                        return jQuery.offset.bodyOffset( elem );
                }

                jQuery.offset.initialize();

                var computedStyle,
                        offsetParent = elem.offsetParent,
                        prevOffsetParent = elem,
                        doc = elem.ownerDocument,
                        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 && rtable.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.css(body, "marginTop") ) || 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.css(body, "marginTop") ) || 0;
                        left += parseFloat( jQuery.css(body, "marginLeft") ) || 0;
                }

                return { top: top, left: left };
        },
        
        setOffset: function( elem, options, i ) {
                var position = jQuery.css( elem, "position" );

                // set position first, in-case top/left are set even on static elem
                if ( position === "static" ) {
                        elem.style.position = "relative";
                }

                var curElem = jQuery( elem ),
                        curOffset = curElem.offset(),
                        curCSSTop = jQuery.css( elem, "top" ),
                        curCSSLeft = jQuery.css( elem, "left" ),
                        calculatePosition = (position === "absolute" && jQuery.inArray('auto', [curCSSTop, curCSSLeft]) > -1),
                        props = {}, curPosition = {}, curTop, curLeft;

                // need to be able to calculate position if either top or left is auto and position is absolute
                if ( calculatePosition ) {
                        curPosition = curElem.position();
                }

                curTop  = calculatePosition ? curPosition.top  : parseInt( curCSSTop,  10 ) || 0;
                curLeft = calculatePosition ? curPosition.left : parseInt( curCSSLeft, 10 ) || 0;

                if ( jQuery.isFunction( options ) ) {
                        options = options.call( elem, i, curOffset );
                }

                if (options.top != null) {
                        props.top = (options.top - curOffset.top) + curTop;
                }
                if (options.left != null) {
                        props.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 = rroot.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.css(elem, "marginTop") ) || 0;
                offset.left -= parseFloat( jQuery.css(elem, "marginLeft") ) || 0;

                // Add offsetParent borders
                parentOffset.top  += parseFloat( jQuery.css(offsetParent[0], "borderTopWidth") ) || 0;
                parentOffset.left += parseFloat( jQuery.css(offsetParent[0], "borderLeftWidth") ) || 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 && (!rroot.test(offsetParent.nodeName) && jQuery.css(offsetParent, "position") === "static") ) {
                                offsetParent = offsetParent.offsetParent;
                        }
                        return offsetParent;
                });
        }
});


// Create scrollLeft and scrollTop methods
jQuery.each( ["Left", "Top"], function( i, name ) {
        var method = "scroll" + name;

        jQuery.fn[ method ] = function(val) {
                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 jQuery.isWindow( elem ) ?
                elem :
                elem.nodeType === 9 ?
                        elem.defaultView || elem.parentWindow :
                        false;
}




// Create innerHeight, innerWidth, outerHeight and outerWidth methods
jQuery.each([ "Height", "Width" ], function( i, name ) {

        var type = name.toLowerCase();

        // innerHeight and innerWidth
        jQuery.fn["inner" + name] = function() {
                return this[0] ?
                        parseFloat( jQuery.css( this[0], type, "padding" ) ) :
                        null;
        };

        // outerHeight and outerWidth
        jQuery.fn["outer" + name] = function( margin ) {
                return this[0] ?
                        parseFloat( jQuery.css( this[0], type, 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;
                }
                
                if ( jQuery.isFunction( size ) ) {
                        return this.each(function( i ) {
                                var self = jQuery( this );
                                self[ type ]( size.call( this, i, self[ type ]() ) );
                        });
                }

                if ( jQuery.isWindow( elem ) ) {
                        // Everyone else use document.documentElement or document.body depending on Quirks vs Standards mode
                        return elem.document.compatMode === "CSS1Compat" && elem.document.documentElement[ "client" + name ] ||
                                elem.document.body[ "client" + name ];

                // Get document width or height
                } else if ( elem.nodeType === 9 ) {
                        // Either scroll[Width/Height] or offset[Width/Height], whichever is greater
                        return 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
                } else if ( size === undefined ) {
                        var orig = jQuery.css( elem, type ),
                                ret = parseFloat( orig );

                        return jQuery.isNaN( ret ) ? orig : ret;

                // Set the width or height on the element (default to pixels if value is unitless)
                } else {
                        return this.css( type, typeof size === "string" ? size : size + "px" );
                }
        };

});


})(window);