source: trunk/html/user_data/packages/default/js/jquery.js @ 16708

(function(){
/*
 * jQuery 1.2 - New Wave Javascript
 *
 * Copyright (c) 2007 John Resig (jquery.com)
 * Dual licensed under the MIT (MIT-LICENSE.txt)
 * and GPL (GPL-LICENSE.txt) licenses.
 *
 * $Date: 2007-09-10 15:45:49 -0400 (Mon, 10 Sep 2007) $
 * $Rev: 3219 $
 */

// Map over jQuery in case of overwrite
if ( typeof jQuery != "undefined" )
    var _jQuery = jQuery;

var jQuery = window.jQuery = function(a,c) {
    // If the context is global, return a new object
    if ( window == this || !this.init )
        return new jQuery(a,c);
    
    return this.init(a,c);
};

// Map over the $ in case of overwrite
if ( typeof $ != "undefined" )
    var _$ = $;
    
// Map the jQuery namespace to the '$' one
window.$ = jQuery;

var quickExpr = /^[^<]*(<(.|\s)+>)[^>]*$|^#(\w+)$/;

jQuery.fn = jQuery.prototype = {
    init: function(a,c) {
        // Make sure that a selection was provided
        a = a || document;

        // Handle HTML strings
        if ( typeof a  == "string" ) {
            var m = quickExpr.exec(a);
            if ( m && (m[1] || !c) ) {
                // HANDLE: $(html) -> $(array)
                if ( m[1] )
                    a = jQuery.clean( [ m[1] ], c );

                // HANDLE: $("#id")
                else {
                    var tmp = document.getElementById( m[3] );
                    if ( tmp )
                        // Handle the case where IE and Opera return items
                        // by name instead of ID
                        if ( tmp.id != m[3] )
                            return jQuery().find( a );
                        else {
                            this[0] = tmp;
                            this.length = 1;
                            return this;
                        }
                    else
                        a = [];
                }

            // HANDLE: $(expr)
            } else
                return new jQuery( c ).find( a );

        // HANDLE: $(function)
        // Shortcut for document ready
        } else if ( jQuery.isFunction(a) )
            return new jQuery(document)[ jQuery.fn.ready ? "ready" : "load" ]( a );

        return this.setArray(
            // HANDLE: $(array)
            a.constructor == Array && a ||

            // HANDLE: $(arraylike)
            // Watch for when an array-like object is passed as the selector
            (a.jquery || a.length && a != window && !a.nodeType && a[0] != undefined && a[0].nodeType) && jQuery.makeArray( a ) ||

            // HANDLE: $(*)
            [ a ] );
    },
    
    jquery: "1.2",

    size: function() {
        return this.length;
    },
    
    length: 0,

    get: function( num ) {
        return num == undefined ?

            // Return a 'clean' array
            jQuery.makeArray( this ) :

            // Return just the object
            this[num];
    },
    
    pushStack: function( a ) {
        var ret = jQuery(a);
        ret.prevObject = this;
        return ret;
    },
    
    setArray: function( a ) {
        this.length = 0;
        Array.prototype.push.apply( this, a );
        return this;
    },

    each: function( fn, args ) {
        return jQuery.each( this, fn, args );
    },

    index: function( obj ) {
        var pos = -1;
        this.each(function(i){
            if ( this == obj ) pos = i;
        });
        return pos;
    },

    attr: function( key, value, type ) {
        var obj = key;
        
        // Look for the case where we're accessing a style value
        if ( key.constructor == String )
            if ( value == undefined )
                return this.length && jQuery[ type || "attr" ]( this[0], key ) || undefined;
            else {
                obj = {};
                obj[ key ] = value;
            }
        
        // Check to see if we're setting style values
        return this.each(function(index){
            // Set all the styles
            for ( var prop in obj )
                jQuery.attr(
                    type ? this.style : this,
                    prop, jQuery.prop(this, obj[prop], type, index, prop)
                );
        });
    },

    css: function( key, value ) {
        return this.attr( key, value, "curCSS" );
    },

    text: function(e) {
        if ( typeof e != "object" && e != null )
            return this.empty().append( document.createTextNode( e ) );

        var t = "";
        jQuery.each( e || this, function(){
            jQuery.each( this.childNodes, function(){
                if ( this.nodeType != 8 )
                    t += this.nodeType != 1 ?
                        this.nodeValue : jQuery.fn.text([ this ]);
            });
        });
        return t;
    },

    wrapAll: function(html) {
        if ( this[0] )
            // The elements to wrap the target around
            jQuery(html, this[0].ownerDocument)
                .clone()
                .insertBefore(this[0])
                .map(function(){
                    var elem = this;
                    while ( elem.firstChild )
                        elem = elem.firstChild;
                    return elem;
                })
                .append(this);

        return this;
    },

    wrapInner: function(html) {
        return this.each(function(){
            jQuery(this).contents().wrapAll(html);
        });
    },

    wrap: function(html) {
        return this.each(function(){
            jQuery(this).wrapAll(html);
        });
    },

    append: function() {
        return this.domManip(arguments, true, 1, function(a){
            this.appendChild( a );
        });
    },

    prepend: function() {
        return this.domManip(arguments, true, -1, function(a){
            this.insertBefore( a, this.firstChild );
        });
    },
    
    before: function() {
        return this.domManip(arguments, false, 1, function(a){
            this.parentNode.insertBefore( a, this );
        });
    },

    after: function() {
        return this.domManip(arguments, false, -1, function(a){
            this.parentNode.insertBefore( a, this.nextSibling );
        });
    },

    end: function() {
        return this.prevObject || jQuery([]);
    },

    find: function(t) {
        var data = jQuery.map(this, function(a){ return jQuery.find(t,a); });
        return this.pushStack( /[^+>] [^+>]/.test( t ) || t.indexOf("..") > -1 ?
            jQuery.unique( data ) : data );
    },

    clone: function(events) {
        // Do the clone
        var ret = this.map(function(){
            return this.outerHTML ? jQuery(this.outerHTML)[0] : this.cloneNode(true);
        });
        
        if (events === true) {
            var clone = ret.find("*").andSelf();

            this.find("*").andSelf().each(function(i) {
                var events = jQuery.data(this, "events");
                for ( var type in events )
                    for ( var handler in events[type] )
                        jQuery.event.add(clone[i], type, events[type][handler], events[type][handler].data);
            });
        }

        // Return the cloned set
        return ret;
    },

    filter: function(t) {
        return this.pushStack(
            jQuery.isFunction( t ) &&
            jQuery.grep(this, function(el, index){
                return t.apply(el, [index]);
            }) ||

            jQuery.multiFilter(t,this) );
    },

    not: function(t) {
        return this.pushStack(
            t.constructor == String &&
            jQuery.multiFilter(t, this, true) ||

            jQuery.grep(this, function(a) {
                return ( t.constructor == Array || t.jquery )
                    ? jQuery.inArray( a, t ) < 0
                    : a != t;
            })
        );
    },

    add: function(t) {
        return this.pushStack( jQuery.merge(
            this.get(),
            t.constructor == String ?
                jQuery(t).get() :
                t.length != undefined && (!t.nodeName || t.nodeName == "FORM") ?
                    t : [t] )
        );
    },

    is: function(expr) {
        return expr ? jQuery.multiFilter(expr,this).length > 0 : false;
    },

    hasClass: function(expr) {
        return this.is("." + expr);
    },
    
    val: function( val ) {
        if ( val == undefined ) {
            if ( this.length ) {
                var elem = this[0];
                
                // We need to handle select boxes special
                if ( jQuery.nodeName(elem, "select") ) {
                    var index = elem.selectedIndex,
                        a = [],
                        options = elem.options,
                        one = elem.type == "select-one";
                    
                    // Nothing was selected
                    if ( index < 0 )
                        return null;

                    // Loop through all the selected options
                    for ( var i = one ? index : 0, max = one ? index + 1 : options.length; i < max; i++ ) {
                        var option = options[i];
                        if ( option.selected ) {
                            // Get the specifc value for the option
                            var val = jQuery.browser.msie && !option.attributes["value"].specified ? option.text : option.value;
                            
                            // We don't need an array for one selects
                            if ( one )
                                return val;
                            
                            // Multi-Selects return an array
                            a.push(val);
                        }
                    }
                    
                    return a;
                    
                // Everything else, we just grab the value
                } else
                    return this[0].value.replace(/\r/g, "");
            }
        } else
            return this.each(function(){
                if ( val.constructor == Array && /radio|checkbox/.test(this.type) )
                    this.checked = (jQuery.inArray(this.value, val) >= 0 ||
                        jQuery.inArray(this.name, val) >= 0);
                else if ( jQuery.nodeName(this, "select") ) {
                    var tmp = val.constructor == Array ? val : [val];

                    jQuery("option", this).each(function(){
                        this.selected = (jQuery.inArray(this.value, tmp) >= 0 ||
                        jQuery.inArray(this.text, tmp) >= 0);
                    });

                    if ( !tmp.length )
                        this.selectedIndex = -1;
                } else
                    this.value = val;
            });
    },
    
    html: function( val ) {
        return val == undefined ?
            ( this.length ? this[0].innerHTML : null ) :
            this.empty().append( val );
    },

    replaceWith: function( val ) {
        return this.after( val ).remove();
    },

    slice: function() {
        return this.pushStack( Array.prototype.slice.apply( this, arguments ) );
    },

    map: function(fn) {
        return this.pushStack(jQuery.map( this, function(elem,i){
            return fn.call( elem, i, elem );
        }));
    },

    andSelf: function() {
        return this.add( this.prevObject );
    },
    
    domManip: function(args, table, dir, fn) {
        var clone = this.length > 1, a; 

        return this.each(function(){
            if ( !a ) {
                a = jQuery.clean(args, this.ownerDocument);
                if ( dir < 0 )
                    a.reverse();
            }

            var obj = this;

            if ( table && jQuery.nodeName(this, "table") && jQuery.nodeName(a[0], "tr") )
                obj = this.getElementsByTagName("tbody")[0] || this.appendChild(document.createElement("tbody"));

            jQuery.each( a, function(){
                if ( jQuery.nodeName(this, "script") ) {
                    if ( this.src )
                        jQuery.ajax({ url: this.src, async: false, dataType: "script" });
                    else
                        jQuery.globalEval( this.text || this.textContent || this.innerHTML || "" );
                } else
                    fn.apply( obj, [ clone ? this.cloneNode(true) : this ] );
            });
        });
    }
};

jQuery.extend = jQuery.fn.extend = function() {
    // copy reference to target object
    var target = arguments[0] || {}, a = 1, al = arguments.length, deep = false;

    // Handle a deep copy situation
    if ( target.constructor == Boolean ) {
        deep = target;
        target = arguments[1] || {};
    }

    // extend jQuery itself if only one argument is passed
    if ( al == 1 ) {
        target = this;
        a = 0;
    }

    var prop;

    for ( ; a < al; a++ )
        // Only deal with non-null/undefined values
        if ( (prop = arguments[a]) != null )
            // Extend the base object
            for ( var i in prop ) {
                // Prevent never-ending loop
                if ( target == prop[i] )
                    continue;

                // Recurse if we're merging object values
                if ( deep && typeof prop[i] == 'object' && target[i] )
                    jQuery.extend( target[i], prop[i] );

                // Don't bring in undefined values
                else if ( prop[i] != undefined )
                    target[i] = prop[i];
            }

    // Return the modified object
    return target;
};

var expando = "jQuery" + (new Date()).getTime(), uuid = 0, win = {};

jQuery.extend({
    noConflict: function(deep) {
        window.$ = _$;
        if ( deep )
            window.jQuery = _jQuery;
        return jQuery;
    },

    // This may seem like some crazy code, but trust me when I say that this
    // is the only cross-browser way to do this. --John
    isFunction: function( fn ) {
        return !!fn && typeof fn != "string" && !fn.nodeName && 
            fn.constructor != Array && /function/i.test( fn + "" );
    },
    
    // check if an element is in a XML document
    isXMLDoc: function(elem) {
        return elem.documentElement && !elem.body ||
            elem.tagName && elem.ownerDocument && !elem.ownerDocument.body;
    },

    // Evalulates a script in a global context
    // Evaluates Async. in Safari 2 :-(
    globalEval: function( data ) {
        data = jQuery.trim( data );
        if ( data ) {
            if ( window.execScript )
                window.execScript( data );
            else if ( jQuery.browser.safari )
                // safari doesn't provide a synchronous global eval
                window.setTimeout( data, 0 );
            else
                eval.call( window, data );
        }
    },

    nodeName: function( elem, name ) {
        return elem.nodeName && elem.nodeName.toUpperCase() == name.toUpperCase();
    },
    
    cache: {},
    
    data: function( elem, name, data ) {
        elem = elem == window ? win : elem;

        var id = elem[ expando ];

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

        // Only generate the data cache if we're
        // trying to access or manipulate it
        if ( name && !jQuery.cache[ id ] )
            jQuery.cache[ id ] = {};
        
        // Prevent overriding the named cache with undefined values
        if ( data != undefined )
            jQuery.cache[ id ][ name ] = data;
        
        // Return the named cache data, or the ID for the element   
        return name ? jQuery.cache[ id ][ name ] : id;
    },
    
    removeData: function( elem, name ) {
        elem = elem == window ? win : elem;

        var id = elem[ expando ];

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

                // If we've removed all the data, remove the element's cache
                name = "";
                for ( name in jQuery.cache[ id ] ) break;
                if ( !name )
                    jQuery.removeData( elem );
            }

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

            // Completely remove the data cache
            delete jQuery.cache[ id ];
        }
    },

    // args is for internal usage only
    each: function( obj, fn, args ) {
        if ( args ) {
            if ( obj.length == undefined )
                for ( var i in obj )
                    fn.apply( obj[i], args );
            else
                for ( var i = 0, ol = obj.length; i < ol; i++ )
                    if ( fn.apply( obj[i], args ) === false ) break;

        // A special, fast, case for the most common use of each
        } else {
            if ( obj.length == undefined )
                for ( var i in obj )
                    fn.call( obj[i], i, obj[i] );
            else
                for ( var i = 0, ol = obj.length, val = obj[0]; 
                    i < ol && fn.call(val,i,val) !== false; val = obj[++i] ){}
        }

        return obj;
    },
    
    prop: function(elem, value, type, index, prop){
            // Handle executable functions
            if ( jQuery.isFunction( value ) )
                value = value.call( elem, [index] );
                
            // exclude the following css properties to add px
            var exclude = /z-?index|font-?weight|opacity|zoom|line-?height/i;

            // Handle passing in a number to a CSS property
            return value && value.constructor == Number && type == "curCSS" && !exclude.test(prop) ?
                value + "px" :
                value;
    },

    className: {
        // internal only, use addClass("class")
        add: function( elem, c ){
            jQuery.each( (c || "").split(/\s+/), function(i, cur){
                if ( !jQuery.className.has( elem.className, cur ) )
                    elem.className += ( elem.className ? " " : "" ) + cur;
            });
        },

        // internal only, use removeClass("class")
        remove: function( elem, c ){
            elem.className = c != undefined ?
                jQuery.grep( elem.className.split(/\s+/), function(cur){
                    return !jQuery.className.has( c, cur ); 
                }).join(" ") : "";
        },

        // internal only, use is(".class")
        has: function( t, c ) {
            return jQuery.inArray( c, (t.className || t).toString().split(/\s+/) ) > -1;
        }
    },

    swap: function(e,o,f) {
        for ( var i in o ) {
            e.style["old"+i] = e.style[i];
            e.style[i] = o[i];
        }
        f.apply( e, [] );
        for ( var i in o )
            e.style[i] = e.style["old"+i];
    },

    css: function(e,p) {
        if ( p == "height" || p == "width" ) {
            var old = {}, oHeight, oWidth, d = ["Top","Bottom","Right","Left"];

            jQuery.each( d, function(){
                old["padding" + this] = 0;
                old["border" + this + "Width"] = 0;
            });

            jQuery.swap( e, old, function() {
                if ( jQuery(e).is(':visible') ) {
                    oHeight = e.offsetHeight;
                    oWidth = e.offsetWidth;
                } else {
                    e = jQuery(e.cloneNode(true))
                        .find(":radio").removeAttr("checked").end()
                        .css({
                            visibility: "hidden", position: "absolute", display: "block", right: "0", left: "0"
                        }).appendTo(e.parentNode)[0];

                    var parPos = jQuery.css(e.parentNode,"position") || "static";
                    if ( parPos == "static" )
                        e.parentNode.style.position = "relative";

                    oHeight = e.clientHeight;
                    oWidth = e.clientWidth;

                    if ( parPos == "static" )
                        e.parentNode.style.position = "static";

                    e.parentNode.removeChild(e);
                }
            });

            return p == "height" ? oHeight : oWidth;
        }

        return jQuery.curCSS( e, p );
    },

    curCSS: function(elem, prop, force) {
        var ret, stack = [], swap = [];

        // A helper method for determining if an element's values are broken
        function color(a){
            if ( !jQuery.browser.safari )
                return false;

            var ret = document.defaultView.getComputedStyle(a,null);
            return !ret || ret.getPropertyValue("color") == "";
        }

        if (prop == "opacity" && jQuery.browser.msie) {
            ret = jQuery.attr(elem.style, "opacity");
            return ret == "" ? "1" : ret;
        }
        
        if (prop.match(/float/i))
            prop = styleFloat;

        if (!force && elem.style[prop])
            ret = elem.style[prop];

        else if (document.defaultView && document.defaultView.getComputedStyle) {

            if (prop.match(/float/i))
                prop = "float";

            prop = prop.replace(/([A-Z])/g,"-$1").toLowerCase();
            var cur = document.defaultView.getComputedStyle(elem, null);

            if ( cur && !color(elem) )
                ret = cur.getPropertyValue(prop);

            // If the element isn't reporting its values properly in Safari
            // then some display: none elements are involved
            else {
                // Locate all of the parent display: none elements
                for ( var a = elem; a && color(a); a = a.parentNode )
                    stack.unshift(a);

                // Go through and make them visible, but in reverse
                // (It would be better if we knew the exact display type that they had)
                for ( a = 0; a < stack.length; a++ )
                    if ( color(stack[a]) ) {
                        swap[a] = stack[a].style.display;
                        stack[a].style.display = "block";
                    }

                // Since we flip the display style, we have to handle that
                // one special, otherwise get the value
                ret = prop == "display" && swap[stack.length-1] != null ?
                    "none" :
                    document.defaultView.getComputedStyle(elem,null).getPropertyValue(prop) || "";

                // Finally, revert the display styles back
                for ( a = 0; a < swap.length; a++ )
                    if ( swap[a] != null )
                        stack[a].style.display = swap[a];
            }

            if ( prop == "opacity" && ret == "" )
                ret = "1";

        } else if (elem.currentStyle) {
            var newProp = prop.replace(/\-(\w)/g,function(m,c){return c.toUpperCase();});
            ret = elem.currentStyle[prop] || elem.currentStyle[newProp];

            // 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 ( !/^\d+(px)?$/i.test(ret) && /^\d/.test(ret) ) {
                var style = elem.style.left;
                var runtimeStyle = elem.runtimeStyle.left;
                elem.runtimeStyle.left = elem.currentStyle.left;
                elem.style.left = ret || 0;
                ret = elem.style.pixelLeft + "px";
                elem.style.left = style;
                elem.runtimeStyle.left = runtimeStyle;
            }
        }

        return ret;
    },
    
    clean: function(a, doc) {
        var r = [];
        doc = doc || document;

        jQuery.each( a, function(i,arg){
            if ( !arg ) return;

            if ( arg.constructor == Number )
                arg = arg.toString();
            
            // Convert html string into DOM nodes
            if ( typeof arg == "string" ) {
                // Fix "XHTML"-style tags in all browsers
                arg = arg.replace(/(<(\w+)[^>]*?)\/>/g, function(m, all, tag){
                    return tag.match(/^(abbr|br|col|img|input|link|meta|param|hr|area)$/i)? m : all+"></"+tag+">";
                });

                // Trim whitespace, otherwise indexOf won't work as expected
                var s = jQuery.trim(arg).toLowerCase(), div = doc.createElement("div"), tb = [];

                var wrap =
                    // option or optgroup
                    !s.indexOf("<opt") &&
                    [1, "<select>", "</select>"] ||
                    
                    !s.indexOf("<leg") &&
                    [1, "<fieldset>", "</fieldset>"] ||
                    
                    s.match(/^<(thead|tbody|tfoot|colg|cap)/) &&
                    [1, "<table>", "</table>"] ||
                    
                    !s.indexOf("<tr") &&
                    [2, "<table><tbody>", "</tbody></table>"] ||
                    
                    // <thead> matched above
                    (!s.indexOf("<td") || !s.indexOf("<th")) &&
                    [3, "<table><tbody><tr>", "</tr></tbody></table>"] ||
                    
                    !s.indexOf("<col") &&
                    [2, "<table><tbody></tbody><colgroup>", "</colgroup></table>"] ||

                    // IE can't serialize <link> and <script> tags normally
                    jQuery.browser.msie &&
                    [1, "div<div>", "</div>"] ||
                    
                    [0,"",""];

                // Go to html and back, then peel off extra wrappers
                div.innerHTML = wrap[1] + arg + wrap[2];
                
                // Move to the right depth
                while ( wrap[0]-- )
                    div = div.lastChild;
                
                // Remove IE's autoinserted <tbody> from table fragments
                if ( jQuery.browser.msie ) {
                    
                    // String was a <table>, *may* have spurious <tbody>
                    if ( !s.indexOf("<table") && s.indexOf("<tbody") < 0 ) 
                        tb = div.firstChild && div.firstChild.childNodes;
                        
                    // String was a bare <thead> or <tfoot>
                    else if ( wrap[1] == "<table>" && s.indexOf("<tbody") < 0 )
                        tb = div.childNodes;

                    for ( var n = tb.length-1; n >= 0 ; --n )
                        if ( jQuery.nodeName(tb[n], "tbody") && !tb[n].childNodes.length )
                            tb[n].parentNode.removeChild(tb[n]);
    
                    // IE completely kills leading whitespace when innerHTML is used    
                    if ( /^\s/.test(arg) )  
                        div.insertBefore( doc.createTextNode( arg.match(/^\s*/)[0] ), div.firstChild );

                }
                
                arg = jQuery.makeArray( div.childNodes );
            }

            if ( 0 === arg.length && (!jQuery.nodeName(arg, "form") && !jQuery.nodeName(arg, "select")) )
                return;

            if ( arg[0] == undefined || jQuery.nodeName(arg, "form") || arg.options )
                r.push( arg );
            else
                r = jQuery.merge( r, arg );

        });

        return r;
    },
    
    attr: function(elem, name, value){
        var fix = jQuery.isXMLDoc(elem) ? {} : jQuery.props;

        // Safari mis-reports the default selected property of a hidden option
        // Accessing the parent's selectedIndex property fixes it
        if ( name == "selected" && jQuery.browser.safari )
            elem.parentNode.selectedIndex;
        
        // Certain attributes only work when accessed via the old DOM 0 way
        if ( fix[name] ) {
            if ( value != undefined ) elem[fix[name]] = value;
            return elem[fix[name]];
        } else if ( jQuery.browser.msie && name == "style" )
            return jQuery.attr( elem.style, "cssText", value );

        else if ( value == undefined && jQuery.browser.msie && jQuery.nodeName(elem, "form") && (name == "action" || name == "method") )
            return elem.getAttributeNode(name).nodeValue;

        // IE elem.getAttribute passes even for style
        else if ( elem.tagName ) {

            if ( value != undefined ) {
                if ( name == "type" && jQuery.nodeName(elem,"input") && elem.parentNode )
                    throw "type property can't be changed";
                elem.setAttribute( name, value );
            }

            if ( jQuery.browser.msie && /href|src/.test(name) && !jQuery.isXMLDoc(elem) ) 
                return elem.getAttribute( name, 2 );

            return elem.getAttribute( name );

        // elem is actually elem.style ... set the style
        } else {
            // IE actually uses filters for opacity
            if ( name == "opacity" && jQuery.browser.msie ) {
                if ( value != undefined ) {
                    // IE has trouble with opacity if it does not have layout
                    // Force it by setting the zoom level
                    elem.zoom = 1; 
    
                    // Set the alpha filter to set the opacity
                    elem.filter = (elem.filter || "").replace(/alpha\([^)]*\)/,"") +
                        (parseFloat(value).toString() == "NaN" ? "" : "alpha(opacity=" + value * 100 + ")");
                }
    
                return elem.filter ? 
                    (parseFloat( elem.filter.match(/opacity=([^)]*)/)[1] ) / 100).toString() : "";
            }
            name = name.replace(/-([a-z])/ig,function(z,b){return b.toUpperCase();});
            if ( value != undefined ) elem[name] = value;
            return elem[name];
        }
    },
    
    trim: function(t){
        return (t||"").replace(/^\s+|\s+$/g, "");
    },

    makeArray: function( a ) {
        var r = [];

        // Need to use typeof to fight Safari childNodes crashes
        if ( typeof a != "array" )
            for ( var i = 0, al = a.length; i < al; i++ )
                r.push( a[i] );
        else
            r = a.slice( 0 );

        return r;
    },

    inArray: function( b, a ) {
        for ( var i = 0, al = a.length; i < al; i++ )
            if ( a[i] == b )
                return i;
        return -1;
    },

    merge: function(first, second) {
        // We have to loop this way because IE & Opera overwrite the length
        // expando of getElementsByTagName

        // Also, we need to make sure that the correct elements are being returned
        // (IE returns comment nodes in a '*' query)
        if ( jQuery.browser.msie ) {
            for ( var i = 0; second[i]; i++ )
                if ( second[i].nodeType != 8 )
                    first.push(second[i]);
        } else
            for ( var i = 0; second[i]; i++ )
                first.push(second[i]);

        return first;
    },

    unique: function(first) {
        var r = [], done = {};

        try {
            for ( var i = 0, fl = first.length; i < fl; i++ ) {
                var id = jQuery.data(first[i]);
                if ( !done[id] ) {
                    done[id] = true;
                    r.push(first[i]);
                }
            }
        } catch(e) {
            r = first;
        }

        return r;
    },

    grep: function(elems, fn, inv) {
        // If a string is passed in for the function, make a function
        // for it (a handy shortcut)
        if ( typeof fn == "string" )
            fn = eval("false||function(a,i){return " + fn + "}");

        var result = [];

        // Go through the array, only saving the items
        // that pass the validator function
        for ( var i = 0, el = elems.length; i < el; i++ )
            if ( !inv && fn(elems[i],i) || inv && !fn(elems[i],i) )
                result.push( elems[i] );

        return result;
    },

    map: function(elems, fn) {
        // If a string is passed in for the function, make a function
        // for it (a handy shortcut)
        if ( typeof fn == "string" )
            fn = eval("false||function(a){return " + fn + "}");

        var result = [];

        // Go through the array, translating each of the items to their
        // new value (or values).
        for ( var i = 0, el = elems.length; i < el; i++ ) {
            var val = fn(elems[i],i);

            if ( val !== null && val != undefined ) {
                if ( val.constructor != Array ) val = [val];
                result = result.concat( val );
            }
        }

        return result;
    }
});

var userAgent = navigator.userAgent.toLowerCase();

// Figure out what browser is being used
jQuery.browser = {
    version: (userAgent.match(/.+(?:rv|it|ra|ie)[\/: ]([\d.]+)/) || [])[1],
    safari: /webkit/.test(userAgent),
    opera: /opera/.test(userAgent),
    msie: /msie/.test(userAgent) && !/opera/.test(userAgent),
    mozilla: /mozilla/.test(userAgent) && !/(compatible|webkit)/.test(userAgent)
};

var styleFloat = jQuery.browser.msie ? "styleFloat" : "cssFloat";
    
jQuery.extend({
    // Check to see if the W3C box model is being used
    boxModel: !jQuery.browser.msie || document.compatMode == "CSS1Compat",
    
    styleFloat: jQuery.browser.msie ? "styleFloat" : "cssFloat",
    
    props: {
        "for": "htmlFor",
        "class": "className",
        "float": styleFloat,
        cssFloat: styleFloat,
        styleFloat: styleFloat,
        innerHTML: "innerHTML",
        className: "className",
        value: "value",
        disabled: "disabled",
        checked: "checked",
        readonly: "readOnly",
        selected: "selected",
        maxlength: "maxLength"
    }
});

jQuery.each({
    parent: "a.parentNode",
    parents: "jQuery.dir(a,'parentNode')",
    next: "jQuery.nth(a,2,'nextSibling')",
    prev: "jQuery.nth(a,2,'previousSibling')",
    nextAll: "jQuery.dir(a,'nextSibling')",
    prevAll: "jQuery.dir(a,'previousSibling')",
    siblings: "jQuery.sibling(a.parentNode.firstChild,a)",
    children: "jQuery.sibling(a.firstChild)",
    contents: "jQuery.nodeName(a,'iframe')?a.contentDocument||a.contentWindow.document:jQuery.makeArray(a.childNodes)"
}, function(i,n){
    jQuery.fn[ i ] = function(a) {
        var ret = jQuery.map(this,n);
        if ( a && typeof a == "string" )
            ret = jQuery.multiFilter(a,ret);
        return this.pushStack( jQuery.unique(ret) );
    };
});

jQuery.each({
    appendTo: "append",
    prependTo: "prepend",
    insertBefore: "before",
    insertAfter: "after",
    replaceAll: "replaceWith"
}, function(i,n){
    jQuery.fn[ i ] = function(){
        var a = arguments;
        return this.each(function(){
            for ( var j = 0, al = a.length; j < al; j++ )
                jQuery(a[j])[n]( this );
        });
    };
});

jQuery.each( {
    removeAttr: function( key ) {
        jQuery.attr( this, key, "" );
        this.removeAttribute( key );
    },
    addClass: function(c){
        jQuery.className.add(this,c);
    },
    removeClass: function(c){
        jQuery.className.remove(this,c);
    },
    toggleClass: function( c ){
        jQuery.className[ jQuery.className.has(this,c) ? "remove" : "add" ](this, c);
    },
    remove: function(a){
        if ( !a || jQuery.filter( a, [this] ).r.length ) {
            jQuery.removeData( this );
            this.parentNode.removeChild( this );
        }
    },
    empty: function() {
        // Clean up the cache
        jQuery("*", this).each(function(){ jQuery.removeData(this); });

        while ( this.firstChild )
            this.removeChild( this.firstChild );
    }
}, function(i,n){
    jQuery.fn[ i ] = function() {
        return this.each( n, arguments );
    };
});

jQuery.each( [ "Height", "Width" ], function(i,name){
    var n = name.toLowerCase();
    
    jQuery.fn[ n ] = function(h) {
        return this[0] == window ?
            jQuery.browser.safari && self["inner" + name] ||
            jQuery.boxModel && Math.max(document.documentElement["client" + name], document.body["client" + name]) ||
            document.body["client" + name] :
        
            this[0] == document ?
                Math.max( document.body["scroll" + name], document.body["offset" + name] ) :
        
                h == undefined ?
                    ( this.length ? jQuery.css( this[0], n ) : null ) :
                    this.css( n, h.constructor == String ? h : h + "px" );
    };
});

var chars = jQuery.browser.safari && parseInt(jQuery.browser.version) < 417 ?
        "(?:[\\w*_-]|\\\\.)" :
        "(?:[\\w\u0128-\uFFFF*_-]|\\\\.)",
    quickChild = new RegExp("^>\\s*(" + chars + "+)"),
    quickID = new RegExp("^(" + chars + "+)(#)(" + chars + "+)"),
    quickClass = new RegExp("^([#.]?)(" + chars + "*)");

jQuery.extend({
    expr: {
        "": "m[2]=='*'||jQuery.nodeName(a,m[2])",
        "#": "a.getAttribute('id')==m[2]",
        ":": {
            // Position Checks
            lt: "i<m[3]-0",
            gt: "i>m[3]-0",
            nth: "m[3]-0==i",
            eq: "m[3]-0==i",
            first: "i==0",
            last: "i==r.length-1",
            even: "i%2==0",
            odd: "i%2",

            // Child Checks
            "first-child": "a.parentNode.getElementsByTagName('*')[0]==a",
            "last-child": "jQuery.nth(a.parentNode.lastChild,1,'previousSibling')==a",
            "only-child": "!jQuery.nth(a.parentNode.lastChild,2,'previousSibling')",

            // Parent Checks
            parent: "a.firstChild",
            empty: "!a.firstChild",

            // Text Check
            contains: "(a.textContent||a.innerText||'').indexOf(m[3])>=0",

            // Visibility
            visible: '"hidden"!=a.type&&jQuery.css(a,"display")!="none"&&jQuery.css(a,"visibility")!="hidden"',
            hidden: '"hidden"==a.type||jQuery.css(a,"display")=="none"||jQuery.css(a,"visibility")=="hidden"',

            // Form attributes
            enabled: "!a.disabled",
            disabled: "a.disabled",
            checked: "a.checked",
            selected: "a.selected||jQuery.attr(a,'selected')",

            // Form elements
            text: "'text'==a.type",
            radio: "'radio'==a.type",
            checkbox: "'checkbox'==a.type",
            file: "'file'==a.type",
            password: "'password'==a.type",
            submit: "'submit'==a.type",
            image: "'image'==a.type",
            reset: "'reset'==a.type",
            button: '"button"==a.type||jQuery.nodeName(a,"button")',
            input: "/input|select|textarea|button/i.test(a.nodeName)",

            // :has()
            has: "jQuery.find(m[3],a).length",

            // :header
            header: "/h\\d/i.test(a.nodeName)",

            // :animated
            animated: "jQuery.grep(jQuery.timers,function(fn){return a==fn.elem;}).length"
        }
    },
    
    // The regular expressions that power the parsing engine
    parse: [
        // Match: [@value='test'], [@foo]
        /^(\[) *@?([\w-]+) *([!*$^~=]*) *('?"?)(.*?)\4 *\]/,

        // Match: :contains('foo')
        /^(:)([\w-]+)\("?'?(.*?(\(.*?\))?[^(]*?)"?'?\)/,

        // Match: :even, :last-chlid, #id, .class
        new RegExp("^([:.#]*)(" + chars + "+)")
    ],

    multiFilter: function( expr, elems, not ) {
        var old, cur = [];

        while ( expr && expr != old ) {
            old = expr;
            var f = jQuery.filter( expr, elems, not );
            expr = f.t.replace(/^\s*,\s*/, "" );
            cur = not ? elems = f.r : jQuery.merge( cur, f.r );
        }

        return cur;
    },

    find: function( t, context ) {
        // Quickly handle non-string expressions
        if ( typeof t != "string" )
            return [ t ];

        // Make sure that the context is a DOM Element
        if ( context && !context.nodeType )
            context = null;

        // Set the correct context (if none is provided)
        context = context || document;

        // Initialize the search
        var ret = [context], done = [], last;

        // Continue while a selector expression exists, and while
        // we're no longer looping upon ourselves
        while ( t && last != t ) {
            var r = [];
            last = t;

            t = jQuery.trim(t);

            var foundToken = false;

            // An attempt at speeding up child selectors that
            // point to a specific element tag
            var re = quickChild;
            var m = re.exec(t);

            if ( m ) {
                var nodeName = m[1].toUpperCase();

                // Perform our own iteration and filter
                for ( var i = 0; ret[i]; i++ )
                    for ( var c = ret[i].firstChild; c; c = c.nextSibling )
                        if ( c.nodeType == 1 && (nodeName == "*" || c.nodeName.toUpperCase() == nodeName.toUpperCase()) )
                            r.push( c );

                ret = r;
                t = t.replace( re, "" );
                if ( t.indexOf(" ") == 0 ) continue;
                foundToken = true;
            } else {
                re = /^([>+~])\s*(\w*)/i;

                if ( (m = re.exec(t)) != null ) {
                    r = [];

                    var nodeName = m[2], merge = {};
                    m = m[1];

                    for ( var j = 0, rl = ret.length; j < rl; j++ ) {
                        var n = m == "~" || m == "+" ? ret[j].nextSibling : ret[j].firstChild;
                        for ( ; n; n = n.nextSibling )
                            if ( n.nodeType == 1 ) {
                                var id = jQuery.data(n);

                                if ( m == "~" && merge[id] ) break;
                                
                                if (!nodeName || n.nodeName.toUpperCase() == nodeName.toUpperCase() ) {
                                    if ( m == "~" ) merge[id] = true;
                                    r.push( n );
                                }
                                
                                if ( m == "+" ) break;
                            }
                    }

                    ret = r;

                    // And remove the token
                    t = jQuery.trim( t.replace( re, "" ) );
                    foundToken = true;
                }
            }

            // See if there's still an expression, and that we haven't already
            // matched a token
            if ( t && !foundToken ) {
                // Handle multiple expressions
                if ( !t.indexOf(",") ) {
                    // Clean the result set
                    if ( context == ret[0] ) ret.shift();

                    // Merge the result sets
                    done = jQuery.merge( done, ret );

                    // Reset the context
                    r = ret = [context];

                    // Touch up the selector string
                    t = " " + t.substr(1,t.length);

                } else {
                    // Optimize for the case nodeName#idName
                    var re2 = quickID;
                    var m = re2.exec(t);
                    
                    // Re-organize the results, so that they're consistent
                    if ( m ) {
                       m = [ 0, m[2], m[3], m[1] ];

                    } else {
                        // Otherwise, do a traditional filter check for
                        // ID, class, and element selectors
                        re2 = quickClass;
                        m = re2.exec(t);
                    }

                    m[2] = m[2].replace(/\\/g, "");

                    var elem = ret[ret.length-1];

                    // Try to do a global search by ID, where we can
                    if ( m[1] == "#" && elem && elem.getElementById && !jQuery.isXMLDoc(elem) ) {
                        // Optimization for HTML document case
                        var oid = elem.getElementById(m[2]);
                        
                        // Do a quick check for the existence of the actual ID attribute
                        // to avoid selecting by the name attribute in IE
                        // also check to insure id is a string to avoid selecting an element with the name of 'id' inside a form
                        if ( (jQuery.browser.msie||jQuery.browser.opera) && oid && typeof oid.id == "string" && oid.id != m[2] )
                            oid = jQuery('[@id="'+m[2]+'"]', elem)[0];

                        // Do a quick check for node name (where applicable) so
                        // that div#foo searches will be really fast
                        ret = r = oid && (!m[3] || jQuery.nodeName(oid, m[3])) ? [oid] : [];
                    } else {
                        // We need to find all descendant elements
                        for ( var i = 0; ret[i]; i++ ) {
                            // Grab the tag name being searched for
                            var tag = m[1] == "#" && m[3] ? m[3] : m[1] != "" || m[0] == "" ? "*" : m[2];

                            // Handle IE7 being really dumb about <object>s
                            if ( tag == "*" && ret[i].nodeName.toLowerCase() == "object" )
                                tag = "param";

                            r = jQuery.merge( r, ret[i].getElementsByTagName( tag ));
                        }

                        // It's faster to filter by class and be done with it
                        if ( m[1] == "." )
                            r = jQuery.classFilter( r, m[2] );

                        // Same with ID filtering
                        if ( m[1] == "#" ) {
                            var tmp = [];

                            // Try to find the element with the ID
                            for ( var i = 0; r[i]; i++ )
                                if ( r[i].getAttribute("id") == m[2] ) {
                                    tmp = [ r[i] ];
                                    break;
                                }

                            r = tmp;
                        }

                        ret = r;
                    }

                    t = t.replace( re2, "" );
                }

            }

            // If a selector string still exists
            if ( t ) {
                // Attempt to filter it
                var val = jQuery.filter(t,r);
                ret = r = val.r;
                t = jQuery.trim(val.t);
            }
        }

        // An error occurred with the selector;
        // just return an empty set instead
        if ( t )
            ret = [];

        // Remove the root context
        if ( ret && context == ret[0] )
            ret.shift();

        // And combine the results
        done = jQuery.merge( done, ret );

        return done;
    },

    classFilter: function(r,m,not){
        m = " " + m + " ";
        var tmp = [];
        for ( var i = 0; r[i]; i++ ) {
            var pass = (" " + r[i].className + " ").indexOf( m ) >= 0;
            if ( !not && pass || not && !pass )
                tmp.push( r[i] );
        }
        return tmp;
    },

    filter: function(t,r,not) {
        var last;

        // Look for common filter expressions
        while ( t  && t != last ) {
            last = t;

            var p = jQuery.parse, m;

            for ( var i = 0; p[i]; i++ ) {
                m = p[i].exec( t );

                if ( m ) {
                    // Remove what we just matched
                    t = t.substring( m[0].length );

                    m[2] = m[2].replace(/\\/g, "");
                    break;
                }
            }

            if ( !m )
                break;

            // :not() is a special case that can be optimized by
            // keeping it out of the expression list
            if ( m[1] == ":" && m[2] == "not" )
                r = jQuery.filter(m[3], r, true).r;

            // We can get a big speed boost by filtering by class here
            else if ( m[1] == "." )
                r = jQuery.classFilter(r, m[2], not);

            else if ( m[1] == "[" ) {
                var tmp = [], type = m[3];
                
                for ( var i = 0, rl = r.length; i < rl; i++ ) {
                    var a = r[i], z = a[ jQuery.props[m[2]] || m[2] ];
                    
                    if ( z == null || /href|src|selected/.test(m[2]) )
                        z = jQuery.attr(a,m[2]) || '';

                    if ( (type == "" && !!z ||
                         type == "=" && z == m[5] ||
                         type == "!=" && z != m[5] ||
                         type == "^=" && z && !z.indexOf(m[5]) ||
                         type == "$=" && z.substr(z.length - m[5].length) == m[5] ||
                         (type == "*=" || type == "~=") && z.indexOf(m[5]) >= 0) ^ not )
                            tmp.push( a );
                }
                
                r = tmp;

            // We can get a speed boost by handling nth-child here
            } else if ( m[1] == ":" && m[2] == "nth-child" ) {
                var merge = {}, tmp = [],
                    test = /(\d*)n\+?(\d*)/.exec(
                        m[3] == "even" && "2n" || m[3] == "odd" && "2n+1" ||
                        !/\D/.test(m[3]) && "n+" + m[3] || m[3]),
                    first = (test[1] || 1) - 0, last = test[2] - 0;

                for ( var i = 0, rl = r.length; i < rl; i++ ) {
                    var node = r[i], parentNode = node.parentNode, id = jQuery.data(parentNode);

                    if ( !merge[id] ) {
                        var c = 1;

                        for ( var n = parentNode.firstChild; n; n = n.nextSibling )
                            if ( n.nodeType == 1 )
                                n.nodeIndex = c++;

                        merge[id] = true;
                    }

                    var add = false;

                    if ( first == 1 ) {
                        if ( last == 0 || node.nodeIndex == last )
                            add = true;
                    } else if ( (node.nodeIndex + last) % first == 0 )
                        add = true;

                    if ( add ^ not )
                        tmp.push( node );
                }

                r = tmp;

            // Otherwise, find the expression to execute
            } else {
                var f = jQuery.expr[m[1]];
                if ( typeof f != "string" )
                    f = jQuery.expr[m[1]][m[2]];

                // Build a custom macro to enclose it
                f = eval("false||function(a,i){return " + f + "}");

                // Execute it against the current filter
                r = jQuery.grep( r, f, not );
            }
        }

        // Return an array of filtered elements (r)
        // and the modified expression string (t)
        return { r: r, t: t };
    },

    dir: function( elem, dir ){
        var matched = [];
        var cur = elem[dir];
        while ( cur && cur != document ) {
            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 && (!elem || n != elem) )
                r.push( n );
        }

        return r;
    }
});
/*
 * A number of helper functions used for managing events.
 * Many of the ideas behind this code orignated from 
 * Dean Edwards' addEvent library.
 */
jQuery.event = {

    // Bind an event to an element
    // Original by Dean Edwards
    add: function(element, type, handler, data) {
        // For whatever reason, IE has trouble passing the window object
        // around, causing it to be cloned in the process
        if ( jQuery.browser.msie && element.setInterval != undefined )
            element = window;

        // Make sure that the function being executed has a unique ID
        if ( !handler.guid )
            handler.guid = this.guid++;
            
        // if data is passed, bind to handler 
        if( data != undefined ) { 
                // Create temporary function pointer to original handler 
            var fn = handler; 

            // Create unique handler function, wrapped around original handler 
            handler = function() { 
                // Pass arguments and context to original handler 
                return fn.apply(this, arguments); 
            };

            // Store data in unique handler 
            handler.data = data;

            // Set the guid of unique handler to the same of original handler, so it can be removed 
            handler.guid = fn.guid;
        }

        // Namespaced event handlers
        var parts = type.split(".");
        type = parts[0];
        handler.type = parts[1];

        // Init the element's event structure
        var events = jQuery.data(element, "events") || jQuery.data(element, "events", {});
        
        var handle = jQuery.data(element, "handle", function(){
            // returned undefined or false
            var val;

            // Handle the second event of a trigger and when
            // an event is called after a page has unloaded
            if ( typeof jQuery == "undefined" || jQuery.event.triggered )
                return val;
            
            val = jQuery.event.handle.apply(element, arguments);
            
            return val;
        });

        // Get the current list of functions bound to this event
        var handlers = events[type];

        // Init the event handler queue
        if (!handlers) {
            handlers = events[type] = {};   
            
            // And bind the global event handler to the element
            if (element.addEventListener)
                element.addEventListener(type, handle, false);
            else
                element.attachEvent("on" + type, handle);
        }

        // Add the function to the element's handler list
        handlers[handler.guid] = handler;

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

    guid: 1,
    global: {},

    // Detach an event or set of events from an element
    remove: function(element, type, handler) {
        var events = jQuery.data(element, "events"), ret, index;

        // Namespaced event handlers
        if ( typeof type == "string" ) {
            var parts = type.split(".");
            type = parts[0];
        }

        if ( events ) {
            // type is actually an event object here
            if ( type && type.type ) {
                handler = type.handler;
                type = type.type;
            }
            
            if ( !type ) {
                for ( type in events )
                    this.remove( element, type );

            } else if ( events[type] ) {
                // remove the given handler for the given type
                if ( handler )
                    delete events[type][handler.guid];
                
                // remove all handlers for the given type
                else
                    for ( handler in events[type] )
                        // Handle the removal of namespaced events
                        if ( !parts[1] || events[type][handler].type == parts[1] )
                            delete events[type][handler];

                // remove generic event handler if no more handlers exist
                for ( ret in events[type] ) break;
                if ( !ret ) {
                    if (element.removeEventListener)
                        element.removeEventListener(type, jQuery.data(element, "handle"), false);
                    else
                        element.detachEvent("on" + type, jQuery.data(element, "handle"));
                    ret = null;
                    delete events[type];
                }
            }

            // Remove the expando if it's no longer used
            for ( ret in events ) break;
            if ( !ret ) {
                jQuery.removeData( element, "events" );
                jQuery.removeData( element, "handle" );
            }
        }
    },

    trigger: function(type, data, element, donative, extra) {
        // Clone the incoming data, if any
        data = jQuery.makeArray(data || []);

        // Handle a global trigger
        if ( !element ) {
            // Only trigger if we've ever bound an event for it
            if ( this.global[type] )
                jQuery("*").add([window, document]).trigger(type, data);

        // Handle triggering a single element
        } else {
            var val, ret, fn = jQuery.isFunction( element[ type ] || null ),
                // Check to see if we need to provide a fake event, or not
                evt = !data[0] || !data[0].preventDefault;
            
            // Pass along a fake event
            if ( evt )
                data.unshift( this.fix({ type: type, target: element }) );

            // Trigger the event
            if ( jQuery.isFunction( jQuery.data(element, "handle") ) )
                val = jQuery.data(element, "handle").apply( element, data );

            // Handle triggering native .onfoo handlers
            if ( !fn && element["on"+type] && element["on"+type].apply( element, data ) === false )
                val = false;

            // Extra functions don't get the custom event object
            if ( evt )
                data.shift();

            // Handle triggering of extra function
            if ( extra && extra.apply( element, data ) === false )
                val = false;

            // Trigger the native events (except for clicks on links)
            if ( fn && donative !== false && val !== false && !(jQuery.nodeName(element, 'a') && type == "click") ) {
                this.triggered = true;
                element[ type ]();
            }

            this.triggered = false;
        }

        return val;
    },

    handle: function(event) {
        // returned undefined or false
        var val;

        // Empty object is for triggered events with no data
        event = jQuery.event.fix( event || window.event || {} ); 

        // Namespaced event handlers
        var parts = event.type.split(".");
        event.type = parts[0];

        var c = jQuery.data(this, "events") && jQuery.data(this, "events")[event.type], args = Array.prototype.slice.call( arguments, 1 );
        args.unshift( event );

        for ( var j in c ) {
            // Pass in a reference to the handler function itself
            // So that we can later remove it
            args[0].handler = c[j];
            args[0].data = c[j].data;

            // Filter the functions by class
            if ( !parts[1] || c[j].type == parts[1] ) {
                var tmp = c[j].apply( this, args );

                if ( val !== false )
                    val = tmp;

                if ( tmp === false ) {
                    event.preventDefault();
                    event.stopPropagation();
                }
            }
        }

        // Clean up added properties in IE to prevent memory leak
        if (jQuery.browser.msie)
            event.target = event.preventDefault = event.stopPropagation =
                event.handler = event.data = null;

        return val;
    },

    fix: function(event) {
        // store a copy of the original event object 
        // and clone to set read-only properties
        var originalEvent = event;
        event = jQuery.extend({}, originalEvent);
        
        // add preventDefault and stopPropagation since 
        // they will not work on the clone
        event.preventDefault = function() {
            // if preventDefault exists run it on the original event
            if (originalEvent.preventDefault)
                originalEvent.preventDefault();
            // otherwise set the returnValue property of the original event to false (IE)
            originalEvent.returnValue = false;
        };
        event.stopPropagation = function() {
            // if stopPropagation exists run it on the original event
            if (originalEvent.stopPropagation)
                originalEvent.stopPropagation();
            // otherwise set the cancelBubble property of the original event to true (IE)
            originalEvent.cancelBubble = true;
        };
        
        // Fix target property, if necessary
        if ( !event.target && event.srcElement )
            event.target = event.srcElement;
                
        // check if target is a textnode (safari)
        if (jQuery.browser.safari && event.target.nodeType == 3)
            event.target = originalEvent.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 e = document.documentElement, b = document.body;
            event.pageX = event.clientX + (e && e.scrollLeft || b.scrollLeft || 0);
            event.pageY = event.clientY + (e && e.scrollTop || b.scrollTop || 0);
        }
            
        // Add which for key events
        if ( !event.which && (event.charCode || event.keyCode) )
            event.which = event.charCode || event.keyCode;
        
        // Add metaKey to non-Mac browsers (use ctrl for PC's and Meta for Macs)
        if ( !event.metaKey && event.ctrlKey )
            event.metaKey = event.ctrlKey;

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

jQuery.fn.extend({
    bind: function( type, data, fn ) {
        return type == "unload" ? this.one(type, data, fn) : this.each(function(){
            jQuery.event.add( this, type, fn || data, fn && data );
        });
    },
    
    one: function( type, data, fn ) {
        return this.each(function(){
            jQuery.event.add( this, type, function(event) {
                jQuery(this).unbind(event);
                return (fn || data).apply( this, arguments);
            }, fn && data);
        });
    },

    unbind: function( type, fn ) {
        return this.each(function(){
            jQuery.event.remove( this, type, fn );
        });
    },

    trigger: function( type, data, fn ) {
        return this.each(function(){
            jQuery.event.trigger( type, data, this, true, fn );
        });
    },

    triggerHandler: function( type, data, fn ) {
        if ( this[0] )
            return jQuery.event.trigger( type, data, this[0], false, fn );
    },

    toggle: function() {
        // Save reference to arguments for access in closure
        var a = arguments;

        return this.click(function(e) {
            // Figure out which function to execute
            this.lastToggle = 0 == this.lastToggle ? 1 : 0;
            
            // Make sure that clicks stop
            e.preventDefault();
            
            // and execute the function
            return a[this.lastToggle].apply( this, [e] ) || false;
        });
    },

    hover: function(f,g) {
        
        // A private function for handling mouse 'hovering'
        function handleHover(e) {
            // Check if mouse(over|out) are still within the same parent element
            var p = e.relatedTarget;
    
            // Traverse up the tree
            while ( p && p != this ) try { p = p.parentNode; } catch(e) { p = this; };
            
            // If we actually just moused on to a sub-element, ignore it
            if ( p == this ) return false;
            
            // Execute the right function
            return (e.type == "mouseover" ? f : g).apply(this, [e]);
        }
        
        // Bind the function to the two event listeners
        return this.mouseover(handleHover).mouseout(handleHover);
    },
    
    ready: function(f) {
        // Attach the listeners
        bindReady();

        // If the DOM is already ready
        if ( jQuery.isReady )
            // Execute the function immediately
            f.apply( document, [jQuery] );
            
        // Otherwise, remember the function for later
        else
            // Add the function to the wait list
            jQuery.readyList.push( function() { return f.apply(this, [jQuery]); } );
    
        return this;
    }
});

jQuery.extend({
    /*
     * All the code that makes DOM Ready work nicely.
     */
    isReady: false,
    readyList: [],
    
    // Handle when the DOM is ready
    ready: function() {
        // Make sure that the DOM is not already loaded
        if ( !jQuery.isReady ) {
            // Remember that the DOM is ready
            jQuery.isReady = true;
            
            // If there are functions bound, to execute
            if ( jQuery.readyList ) {
                // Execute all of them
                jQuery.each( jQuery.readyList, function(){
                    this.apply( document );
                });
                
                // Reset the list of functions
                jQuery.readyList = null;
            }
            // Remove event listener to avoid memory leak
            if ( jQuery.browser.mozilla || jQuery.browser.opera )
                document.removeEventListener( "DOMContentLoaded", jQuery.ready, false );
            
            // Remove script element used by IE hack
            if( !window.frames.length ) // don't remove if frames are present (#1187)
                jQuery(window).load(function(){ jQuery("#__ie_init").remove(); });
        }
    }
});

jQuery.each( ("blur,focus,load,resize,scroll,unload,click,dblclick," +
    "mousedown,mouseup,mousemove,mouseover,mouseout,change,select," + 
    "submit,keydown,keypress,keyup,error").split(","), function(i,o){
    
    // Handle event binding
    jQuery.fn[o] = function(f){
        return f ? this.bind(o, f) : this.trigger(o);
    };
});

var readyBound = false;

function bindReady(){
    if ( readyBound ) return;
    readyBound = true;

    // If Mozilla is used
    if ( jQuery.browser.mozilla || jQuery.browser.opera )
        // Use the handy event callback
        document.addEventListener( "DOMContentLoaded", jQuery.ready, false );
    
    // If IE is used, use the excellent hack by Matthias Miller
    // http://www.outofhanwell.com/blog/index.php?title=the_window_onload_problem_revisited
    else if ( jQuery.browser.msie ) {
    
        // Only works if you document.write() it
        document.write("<scr" + "ipt id=__ie_init defer=true " + 
            "src=//:><\/script>");
    
        // Use the defer script hack
        var script = document.getElementById("__ie_init");
        
        // script does not exist if jQuery is loaded dynamically
        if ( script ) 
            script.onreadystatechange = function() {
                if ( this.readyState != "complete" ) return;
                jQuery.ready();
            };
    
        // Clear from memory
        script = null;
    
    // If Safari  is used
    } else if ( jQuery.browser.safari )
        // Continually check to see if the document.readyState is valid
        jQuery.safariTimer = setInterval(function(){
            // loaded and complete are both valid states
            if ( document.readyState == "loaded" || 
                document.readyState == "complete" ) {
    
                // If either one are found, remove the timer
                clearInterval( jQuery.safariTimer );
                jQuery.safariTimer = null;
    
                // and execute any waiting functions
                jQuery.ready();
            }
        }, 10); 

    // A fallback to window.onload, that will always work
    jQuery.event.add( window, "load", jQuery.ready );
}
jQuery.fn.extend({
    load: function( url, params, callback ) {
        if ( jQuery.isFunction( url ) )
            return this.bind("load", url);

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

        callback = callback || function(){};

        // 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 {
                params = jQuery.param( params );
                type = "POST";
            }

        var self = this;

        // Request the remote document
        jQuery.ajax({
            url: url,
            type: type,
            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(/<script(.|\s)*?\/script>/g, ""))

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

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

                // Add delay to account for Safari's delay in globalEval
                setTimeout(function(){
                    self.each( callback, [res.responseText, status, res] );
                }, 13);
            }
        });
        return this;
    },

    serialize: function() {
        return jQuery.param(this.serializeArray());
    },
    serializeArray: function() {
        return this.map(function(){
            return jQuery.nodeName(this, "form") ?
                jQuery.makeArray(this.elements) : this;
        })
        .filter(function(){
            return this.name && !this.disabled && 
                (this.checked || /select|textarea/i.test(this.nodeName) || 
                    /text|hidden|password/i.test(this.type));
        })
        .map(function(i, elem){
            var val = jQuery(this).val();
            return val == null ? null :
                val.constructor == Array ?
                    jQuery.map( val, function(i, val){
                        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);
    };
});

var jsc = (new Date).getTime();

jQuery.extend({
    get: function( url, data, callback, type ) {
        // shift arguments if data argument was ommited
        if ( jQuery.isFunction( data ) ) {
            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 ) {
        if ( jQuery.isFunction( data ) ) {
            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: {
        global: true,
        type: "GET",
        timeout: 0,
        contentType: "application/x-www-form-urlencoded",
        processData: true,
        async: true,
        data: null
    },
    
    // Last-Modified header cache for next request
    lastModified: {},

    ajax: function( s ) {
        var jsonp, jsre = /=(\?|%3F)/g, status, data;

        // Extend the settings, but re-extend 's' so that it can be
        // checked again later (in the test suite, specifically)
        s = jQuery.extend(true, s, jQuery.extend(true, {}, jQuery.ajaxSettings, s));

        // convert data if not already a string
        if ( s.data && s.processData && typeof s.data != "string" )
            s.data = jQuery.param(s.data);

        // Break the data into one single string
        var q = s.url.indexOf("?");
        if ( q > -1 ) {
            s.data = (s.data ? s.data + "&" : "") + s.url.slice(q + 1);
            s.url = s.url.slice(0, q);
        }

        // Handle JSONP Parameter Callbacks
        if ( s.dataType == "jsonp" ) {
            if ( !s.data || !s.data.match(jsre) )
                s.data = (s.data ? s.data + "&" : "") + (s.jsonp || "callback") + "=?";
            s.dataType = "json";
        }

        // Build temporary JSONP function
        if ( s.dataType == "json" && s.data && s.data.match(jsre) ) {
            jsonp = "jsonp" + jsc++;
            s.data = s.data.replace(jsre, "=" + jsonp);

            // We need to make sure
            // that a JSONP style response is executed properly
            s.dataType = "script";

            // Handle JSONP-style loading
            window[ jsonp ] = function(tmp){
                data = tmp;
                success();
                // Garbage collect
                window[ jsonp ] = undefined;
                try{ delete window[ jsonp ]; } catch(e){}
            };
        }

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

        if ( s.cache === false && s.type.toLowerCase() == "get" )
            s.data = (s.data ? s.data + "&" : "") + "_=" + (new Date()).getTime();

        // If data is available, append data to url for get requests
        if ( s.data && s.type.toLowerCase() == "get" ) {
            s.url += "?" + s.data;

            // IE likes to send both get and post data, prevent this
            s.data = null;
        }

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

        // If we're requesting a remote document
        // and trying to load JSON or Script
        if ( !s.url.indexOf("http") && s.dataType == "script" ) {
            var head = document.getElementsByTagName("head")[0];
            var script = document.createElement("script");
            script.src = s.url;

            // Handle Script loading
            if ( !jsonp && (s.success || s.complete) ) {
                var done = false;

                // Attach handlers for all browsers
                script.onload = script.onreadystatechange = function(){
                    if ( !done && (!this.readyState || 
                            this.readyState == "loaded" || this.readyState == "complete") ) {
                        done = true;
                        success();
                        complete();
                        head.removeChild( script );
                    }
                };
            }

            head.appendChild(script);

            // We handle everything using the script element injection
            return;
        }

        var requestDone = false;

        // Create the request object; Microsoft failed to properly
        // implement the XMLHttpRequest in IE7, so we use the ActiveXObject when it is available
        var xml = window.ActiveXObject ? new ActiveXObject("Microsoft.XMLHTTP") : new XMLHttpRequest();

        // Open the socket
        xml.open(s.type, s.url, s.async);

        // Set the correct header, if data is being sent
        if ( s.data )
            xml.setRequestHeader("Content-Type", s.contentType);

        // Set the If-Modified-Since header, if ifModified mode.
        if ( s.ifModified )
            xml.setRequestHeader("If-Modified-Since",
                jQuery.lastModified[s.url] || "Thu, 01 Jan 1970 00:00:00 GMT" );

        // Set header so the called script knows that it's an XMLHttpRequest
        xml.setRequestHeader("X-Requested-With", "XMLHttpRequest");

        // Allow custom headers/mimetypes
        if ( s.beforeSend )
            s.beforeSend(xml);
            
        if ( s.global )
            jQuery.event.trigger("ajaxSend", [xml, s]);

        // Wait for a response to come back
        var onreadystatechange = function(isTimeout){
            // The transfer is complete and the data is available, or the request timed out
            if ( !requestDone && xml && (xml.readyState == 4 || isTimeout == "timeout") ) {
                requestDone = true;
                
                // clear poll interval
                if (ival) {
                    clearInterval(ival);
                    ival = null;
                }
                
                status = isTimeout == "timeout" && "timeout" ||
                    !jQuery.httpSuccess( xml ) && "error" ||
                    s.ifModified && jQuery.httpNotModified( xml, s.url ) && "notmodified" ||
                    "success";

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

                // Make sure that the request was successful or notmodified
                if ( status == "success" ) {
                    // Cache Last-Modified header, if ifModified mode.
                    var modRes;
                    try {
                        modRes = xml.getResponseHeader("Last-Modified");
                    } catch(e) {} // swallow exception thrown by FF if header is not available
    
                    if ( s.ifModified && modRes )
                        jQuery.lastModified[s.url] = modRes;

                    // JSONP handles its own success callback
                    if ( !jsonp )
                        success();  
                } else
                    jQuery.handleError(s, xml, status);

                // Fire the complete handlers
                complete();

                // Stop memory leaks
                if ( s.async )
                    xml = null;
            }
        };
        
        if ( s.async ) {
            // don't attach the handler to the request, just poll it instead
            var ival = setInterval(onreadystatechange, 13); 

            // Timeout checker
            if ( s.timeout > 0 )
                setTimeout(function(){
                    // Check to see if the request is still happening
                    if ( xml ) {
                        // Cancel the request
                        xml.abort();
    
                        if( !requestDone )
                            onreadystatechange( "timeout" );
                    }
                }, s.timeout);
        }
            
        // Send the data
        try {
            xml.send(s.data);
        } catch(e) {
            jQuery.handleError(s, xml, null, e);
        }
        
        // firefox 1.5 doesn't fire statechange for sync requests
        if ( !s.async )
            onreadystatechange();
        
        // return XMLHttpRequest to allow aborting the request etc.
        return xml;

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

            // Fire the global callback
            if ( s.global )
                jQuery.event.trigger( "ajaxSuccess", [xml, s] );
        }

        function complete(){
            // Process result
            if ( s.complete )
                s.complete(xml, status);

            // The request was completed
            if ( s.global )
                jQuery.event.trigger( "ajaxComplete", [xml, s] );

            // Handle the global AJAX counter
            if ( s.global && ! --jQuery.active )
                jQuery.event.trigger( "ajaxStop" );
        }
    },

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

        // Fire the global callback
        if ( s.global )
            jQuery.event.trigger( "ajaxError", [xml, s, e] );
    },

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

    // Determines if an XMLHttpRequest was successful or not
    httpSuccess: function( r ) {
        try {
            return !r.status && location.protocol == "file:" ||
                ( r.status >= 200 && r.status < 300 ) || r.status == 304 ||
                jQuery.browser.safari && r.status == undefined;
        } catch(e){}
        return false;
    },

    // Determines if an XMLHttpRequest returns NotModified
    httpNotModified: function( xml, url ) {
        try {
            var xmlRes = xml.getResponseHeader("Last-Modified");

            // Firefox always returns 200. check Last-Modified date
            return xml.status == 304 || xmlRes == jQuery.lastModified[url] ||
                jQuery.browser.safari && xml.status == undefined;
        } catch(e){}
        return false;
    },

    httpData: function( r, type ) {
        var ct = r.getResponseHeader("content-type");
        var xml = type == "xml" || !type && ct && ct.indexOf("xml") >= 0;
        var data = xml ? r.responseXML : r.responseText;

        if ( xml && data.documentElement.tagName == "parsererror" )
            throw "parsererror";

        // If the type is "script", eval it in global context
        if ( type == "script" )
            jQuery.globalEval( data );

        // Get the JavaScript object, if JSON is used.
        if ( type == "json" )
            data = eval("(" + data + ")");

        return data;
    },

    // Serialize an array of form elements or a set of
    // key/values into a query string
    param: function( a ) {
        var s = [];

        // If an array was passed in, assume that it is an array
        // of form elements
        if ( a.constructor == Array || a.jquery )
            // Serialize the form elements
            jQuery.each( a, function(){
                s.push( encodeURIComponent(this.name) + "=" + encodeURIComponent( this.value ) );
            });

        // Otherwise, assume that it's an object of key/value pairs
        else
            // Serialize the key/values
            for ( var j in a )
                // If the value is an array then the key names need to be repeated
                if ( a[j] && a[j].constructor == Array )
                    jQuery.each( a[j], function(){
                        s.push( encodeURIComponent(j) + "=" + encodeURIComponent( this ) );
                    });
                else
                    s.push( encodeURIComponent(j) + "=" + encodeURIComponent( a[j] ) );

        // Return the resulting serialization
        return s.join("&").replace(/%20/g, "+");
    }

});
jQuery.fn.extend({
    show: function(speed,callback){
        return speed ?
            this.animate({
                height: "show", width: "show", opacity: "show"
            }, speed, callback) :
            
            this.filter(":hidden").each(function(){
                this.style.display = this.oldblock ? this.oldblock : "";
                if ( jQuery.css(this,"display") == "none" )
                    this.style.display = "block";
            }).end();
    },
    
    hide: function(speed,callback){
        return speed ?
            this.animate({
                height: "hide", width: "hide", opacity: "hide"
            }, speed, callback) :
            
            this.filter(":visible").each(function(){
                this.oldblock = this.oldblock || jQuery.css(this,"display");
                if ( this.oldblock == "none" )
                    this.oldblock = "block";
                this.style.display = "none";
            }).end();
    },

    // Save the old toggle function
    _toggle: jQuery.fn.toggle,
    
    toggle: function( fn, fn2 ){
        return jQuery.isFunction(fn) && jQuery.isFunction(fn2) ?
            this._toggle( fn, fn2 ) :
            fn ?
                this.animate({
                    height: "toggle", width: "toggle", opacity: "toggle"
                }, fn, fn2) :
                this.each(function(){
                    jQuery(this)[ jQuery(this).is(":hidden") ? "show" : "hide" ]();
                });
    },
    
    slideDown: function(speed,callback){
        return this.animate({height: "show"}, speed, callback);
    },
    
    slideUp: function(speed,callback){
        return this.animate({height: "hide"}, speed, callback);
    },

    slideToggle: function(speed, callback){
        return this.animate({height: "toggle"}, speed, callback);
    },
    
    fadeIn: function(speed, callback){
        return this.animate({opacity: "show"}, speed, callback);
    },
    
    fadeOut: function(speed, callback){
        return this.animate({opacity: "hide"}, speed, callback);
    },
    
    fadeTo: function(speed,to,callback){
        return this.animate({opacity: to}, speed, callback);
    },
    
    animate: function( prop, speed, easing, callback ) {
        var opt = jQuery.speed(speed, easing, callback);

        return this[ opt.queue === false ? "each" : "queue" ](function(){
            opt = jQuery.extend({}, opt);
            var hidden = jQuery(this).is(":hidden"), self = this;
            
            for ( var p in prop ) {
                if ( prop[p] == "hide" && hidden || prop[p] == "show" && !hidden )
                    return jQuery.isFunction(opt.complete) && opt.complete.apply(this);

                if ( p == "height" || p == "width" ) {
                    // Store display property
                    opt.display = jQuery.css(this, "display");

                    // Make sure that nothing sneaks out
                    opt.overflow = this.style.overflow;
                }
            }

            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 ( /toggle|show|hide/.test(val) )
                    e[ val == "toggle" ? hidden ? "show" : "hide" : val ]( prop );
                else {
                    var parts = val.toString().match(/^([+-]?)([\d.]+)(.*)$/),
                        start = e.cur(true) || 0;

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

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

                        // If a +/- token was provided, we're doing a relative animation
                        if ( parts[1] )
                            end = ((parts[1] == "-" ? -1 : 1) * end) + start;

                        e.custom( start, end, unit );
                    } else
                        e.custom( start, val, "" );
                }
            });

            // For JS strict compliance
            return true;
        });
    },
    
    queue: function(type, fn){
        if ( !fn ) {
            fn = type;
            type = "fx";
        }

        if ( !arguments.length )
            return queue( this[0], type );

        return this.each(function(){
            if ( fn.constructor == Array )
                queue(this, type, fn);
            else {
                queue(this, type).push( fn );
            
                if ( queue(this, type).length == 1 )
                    fn.apply(this);
            }
        });
    },

    stop: function(){
        var timers = jQuery.timers;

        return this.each(function(){
            for ( var i = 0; i < timers.length; i++ )
                if ( timers[i].elem == this )
                    timers.splice(i--, 1);
        }).dequeue();
    }

});

var queue = function( elem, type, array ) {
    if ( !elem )
        return;

    var q = jQuery.data( elem, type + "queue" );

    if ( !q || array )
        q = jQuery.data( elem, type + "queue", 
            array ? jQuery.makeArray(array) : [] );

    return q;
};

jQuery.fn.dequeue = function(type){
    type = type || "fx";

    return this.each(function(){
        var q = queue(this, type);

        q.shift();

        if ( q.length )
            q[0].apply( this );
    });
};

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

        opt.duration = (opt.duration && opt.duration.constructor == Number ? 
            opt.duration : 
            { slow: 600, fast: 200 }[opt.duration]) || 400;
    
        // Queueing
        opt.old = opt.complete;
        opt.complete = function(){
            jQuery(this).dequeue();
            if ( jQuery.isFunction( opt.old ) )
                opt.old.apply( 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.apply( this.elem, [ this.now, this ] );

        (jQuery.fx.step[this.prop] || jQuery.fx.step._default)( this );

        // Set display property to block for height/width animations
        if ( this.prop == "height" || this.prop == "width" )
            this.elem.style.display = "block";
    },

    // Get the current size
    cur: function(force){
        if ( this.elem[this.prop] != null && this.elem.style[this.prop] == null )
            return this.elem[ this.prop ];

        var r = parseFloat(jQuery.curCSS(this.elem, this.prop, force));
        return r && r > -10000 ? r : parseFloat(jQuery.css(this.elem, this.prop)) || 0;
    },

    // Start an animation from one number to another
    custom: function(from, to, unit){
        this.startTime = (new Date()).getTime();
        this.start = from;
        this.end = to;
        this.unit = unit || this.unit || "px";
        this.now = this.start;
        this.pos = this.state = 0;
        this.update();

        var self = this;
        function t(){
            return self.step();
        }

        t.elem = this.elem;

        jQuery.timers.push(t);

        if ( jQuery.timers.length == 1 ) {
            var timer = setInterval(function(){
                var timers = jQuery.timers;
                
                for ( var i = 0; i < timers.length; i++ )
                    if ( !timers[i]() )
                        timers.splice(i--, 1);

                if ( !timers.length )
                    clearInterval( timer );
            }, 13);
        }
    },

    // Simple 'show' function
    show: function(){
        // Remember where we started, so that we can go back to it later
        this.options.orig[this.prop] = jQuery.attr( this.elem.style, this.prop );
        this.options.show = true;

        // Begin the animation
        this.custom(0, this.cur());

        // Make sure that we start at a small width/height to avoid any
        // flash of content
        if ( this.prop == "width" || this.prop == "height" )
            this.elem.style[this.prop] = "1px";
        
        // 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.attr( this.elem.style, this.prop );
        this.options.hide = true;

        // Begin the animation
        this.custom(this.cur(), 0);
    },

    // Each step of an animation
    step: function(){
        var t = (new Date()).getTime();

        if ( t > this.options.duration + this.startTime ) {
            this.now = this.end;
            this.pos = this.state = 1;
            this.update();

            this.options.curAnim[ this.prop ] = true;

            var done = true;
            for ( var i in this.options.curAnim )
                if ( this.options.curAnim[i] !== true )
                    done = false;

            if ( done ) {
                if ( this.options.display != null ) {
                    // Reset the overflow
                    this.elem.style.overflow = this.options.overflow;
                
                    // Reset the display
                    this.elem.style.display = this.options.display;
                    if ( jQuery.css(this.elem, "display") == "none" )
                        this.elem.style.display = "block";
                }

                // Hide the element if the "hide" operation was done
                if ( this.options.hide )
                    this.elem.style.display = "none";

                // 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.attr(this.elem.style, p, this.options.orig[p]);
            }

            // If a callback was provided, execute it
            if ( done && jQuery.isFunction( this.options.complete ) )
                // Execute the complete function
                this.options.complete.apply( this.elem );

            return false;
        } else {
            var n = t - this.startTime;
            this.state = n / this.options.duration;

            // Perform the easing function, defaults to swing
            this.pos = jQuery.easing[this.options.easing || (jQuery.easing.swing ? "swing" : "linear")](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.fx.step = {
    scrollLeft: function(fx){
        fx.elem.scrollLeft = fx.now;
    },

    scrollTop: function(fx){
        fx.elem.scrollTop = fx.now;
    },

    opacity: function(fx){
        jQuery.attr(fx.elem.style, "opacity", fx.now);
    },

    _default: function(fx){
        fx.elem.style[ fx.prop ] = fx.now + fx.unit;
    }
};
// The Offset Method
// Originally By Brandon Aaron, part of the Dimension Plugin
// http://jquery.com/plugins/project/dimensions
jQuery.fn.offset = function() {
    var left = 0, top = 0, elem = this[0], results;
    
    if ( elem ) with ( jQuery.browser ) {
        var absolute    = jQuery.css(elem, "position") == "absolute", 
                parent      = elem.parentNode, 
                offsetParent    = elem.offsetParent, 
                doc     = elem.ownerDocument,
            safari2     = safari && !absolute && parseInt(version) < 522;
    
        // Use getBoundingClientRect if available
        if ( elem.getBoundingClientRect ) {
            box = elem.getBoundingClientRect();
        
            // Add the document scroll offsets
            add(
                box.left + Math.max(doc.documentElement.scrollLeft, doc.body.scrollLeft),
                box.top  + Math.max(doc.documentElement.scrollTop,  doc.body.scrollTop)
            );
        
            // IE adds the HTML element's border, by default it is medium which is 2px
            // IE 6 and IE 7 quirks mode the border width is overwritable by the following css html { border: 0; }
            // IE 7 standards mode, the border is always 2px
            if ( msie ) {
                var border = jQuery("html").css("borderWidth");
                border = (border == "medium" || jQuery.boxModel && parseInt(version) >= 7) && 2 || border;
                add( -border, -border );
            }
    
        // Otherwise loop through the offsetParents and parentNodes
        } else {
        
            // Initial element offsets
            add( elem.offsetLeft, elem.offsetTop );
        
            // Get parent offsets
            while ( offsetParent ) {
                // Add offsetParent offsets
                add( offsetParent.offsetLeft, offsetParent.offsetTop );
            
                // Mozilla and Safari > 2 does not include the border on offset parents
                // However Mozilla adds the border for table cells
                if ( mozilla && /^t[d|h]$/i.test(parent.tagName) || !safari2 )
                    border( offsetParent );
                
                // Safari <= 2 doubles body offsets with an absolutely positioned element or parent
                if ( safari2 && !absolute && jQuery.css(offsetParent, "position") == "absolute" )
                    absolute = true;
            
                // Get next offsetParent
                offsetParent = offsetParent.offsetParent;
            }
        
            // Get parent scroll offsets
            while ( parent.tagName && /^body|html$/i.test(parent.tagName) ) {
                // Work around opera inline/table scrollLeft/Top bug
                if ( /^inline|table-row.*$/i.test(jQuery.css(parent, "display")) )
                    // Subtract parent scroll offsets
                    add( -parent.scrollLeft, -parent.scrollTop );
            
                // Mozilla does not add the border for a parent that has overflow != visible
                if ( mozilla && jQuery.css(parent, "overflow") != "visible" )
                    border( parent );
            
                // Get next parent
                parent = parent.parentNode;
            }
        
            // Safari doubles body offsets with an absolutely positioned element or parent
            if ( safari && absolute )
                add( -doc.body.offsetLeft, -doc.body.offsetTop );
        }

        // Return an object with top and left properties
        results = { top: top, left: left };
    }

    return results;

    function border(elem) {
        add( jQuery.css(elem, "borderLeftWidth"), jQuery.css(elem, "borderTopWidth") );
    }

    function add(l, t) {
        left += parseInt(l) || 0;
        top += parseInt(t) || 0;
    }
};
})();