//MooTools, My Object Oriented Javascript Tools. Copyright (c) 2006 Valerio Proietti, <http://mad4milk.net>, MIT Style License.

var MooTools = {
        version: '1.11'
};

function $defined(obj){
        return (obj != undefined);
};

function $type(obj){
        if (!$defined(obj)) return false;
        if (obj.htmlElement) return 'element';
        var type = typeof obj;
        if (type == 'object' && obj.nodeName){
                switch(obj.nodeType){
                        case 1: return 'element';
                        case 3: return (/\S/).test(obj.nodeValue) ? 'textnode' : 'whitespace';
                }
        }
        if (type == 'object' || type == 'function'){
                switch(obj.constructor){
                        case Array: return 'array';
                        case RegExp: return 'regexp';
                        case Class: return 'class';
                }
                if (typeof obj.length == 'number'){
                        if (obj.item) return 'collection';
                        if (obj.callee) return 'arguments';
                }
        }
        return type;
};

function $merge(){
        var mix = {};
        for (var i = 0; i < arguments.length; i++){
                for (var property in arguments[i]){
                        var ap = arguments[i][property];
                        var mp = mix[property];
                        if (mp && $type(ap) == 'object' && $type(mp) == 'object') mix[property] = $merge(mp, ap);
                        else mix[property] = ap;
                }
        }
        return mix;
};

var $extend = function(){
        var args = arguments;
        if (!args[1]) args = [this, args[0]];
        for (var property in args[1]) args[0][property] = args[1][property];
        return args[0];
};

var $native = function(){
        for (var i = 0, l = arguments.length; i < l; i++){
                arguments[i].extend = function(props){
                        for (var prop in props){
                                if (!this.prototype[prop]) this.prototype[prop] = props[prop];
                                if (!this[prop]) this[prop] = $native.generic(prop);
                        }
                };
        }
};

$native.generic = function(prop){
        return function(bind){
                return this.prototype[prop].apply(bind, Array.prototype.slice.call(arguments, 1));
        };
};

$native(Function, Array, String, Number);

function $chk(obj){
        return !!(obj || obj === 0);
};

function $pick(obj, picked){
        return $defined(obj) ? obj : picked;
};

function $random(min, max){
        return Math.floor(Math.random() * (max - min + 1) + min);
};

function $time(){
        return new Date().getTime();
};

function $clear(timer){
        clearTimeout(timer);
        clearInterval(timer);
        return null;
};

var Abstract = function(obj){
        obj = obj || {};
        obj.extend = $extend;
        return obj;
};

var Window = new Abstract(window);
var Document = new Abstract(document);
document.head = document.getElementsByTagName('head')[0];

window.xpath = !!(document.evaluate);
if (window.ActiveXObject) window.ie = window[window.XMLHttpRequest ? 'ie7' : 'ie6'] = true;
else if (document.childNodes && !document.all && !navigator.taintEnabled) window.webkit = window[window.xpath ? 'webkit420' : 'webkit419'] = true;
else if (document.getBoxObjectFor != null) window.gecko = true;

window.khtml = window.webkit;

Object.extend = $extend;

if (typeof HTMLElement == 'undefined'){
        var HTMLElement = function(){};
        if (window.webkit) document.createElement("iframe");
        HTMLElement.prototype = (window.webkit) ? window["[[DOMElement.prototype]]"] : {};
}
HTMLElement.prototype.htmlElement = function(){};

if (window.ie6) try {document.execCommand("BackgroundImageCache", false, true);} catch(e){};

var Class = function(properties){
        var klass = function(){
                return (arguments[0] !== null && this.initialize && $type(this.initialize) == 'function') ? this.initialize.apply(this, arguments) : this;
        };
        $extend(klass, this);
        klass.prototype = properties;
        klass.constructor = Class;
        return klass;
};

Class.empty = function(){};

Class.prototype = {

        extend: function(properties){
                var proto = new this(null);
                for (var property in properties){
                        var pp = proto[property];
                        proto[property] = Class.Merge(pp, properties[property]);
                }
                return new Class(proto);
        },

        implement: function(){
                for (var i = 0, l = arguments.length; i < l; i++) $extend(this.prototype, arguments[i]);
        }

};

Class.Merge = function(previous, current){
        if (previous && previous != current){
                var type = $type(current);
                if (type != $type(previous)) return current;
                switch(type){
                        case 'function':
                                var merged = function(){
                                        this.parent = arguments.callee.parent;
                                        return current.apply(this, arguments);
                                };
                                merged.parent = previous;
                                return merged;
                        case 'object': return $merge(previous, current);
                }
        }
        return current;
};

var Chain = new Class({

        chain: function(fn){
                this.chains = this.chains || [];
                this.chains.push(fn);
                return this;
        },

        callChain: function(){
                if (this.chains && this.chains.length) this.chains.shift().delay(10, this);
        },

        clearChain: function(){
                this.chains = [];
        }

});

var Events = new Class({

        addEvent: function(type, fn){
                if (fn != Class.empty){
                        this.$events = this.$events || {};
                        this.$events[type] = this.$events[type] || [];
                        this.$events[type].include(fn);
                }
                return this;
        },

        fireEvent: function(type, args, delay){
                if (this.$events && this.$events[type]){
                        this.$events[type].each(function(fn){
                                fn.create({'bind': this, 'delay': delay, 'arguments': args})();
                        }, this);
                }
                return this;
        },

        removeEvent: function(type, fn){
                if (this.$events && this.$events[type]) this.$events[type].remove(fn);
                return this;
        }

});

var Options = new Class({

        setOptions: function(){
                this.options = $merge.apply(null, [this.options].extend(arguments));
                if (this.addEvent){
                        for (var option in this.options){
                                if ($type(this.options[option] == 'function') && (/^on[A-Z]/).test(option)) this.addEvent(option, this.options[option]);
                        }
                }
                return this;
        }

});

Array.extend({

        forEach: function(fn, bind){
                for (var i = 0, j = this.length; i < j; i++) fn.call(bind, this[i], i, this);
        },

        filter: function(fn, bind){
                var results = [];
                for (var i = 0, j = this.length; i < j; i++){
                        if (fn.call(bind, this[i], i, this)) results.push(this[i]);
                }
                return results;
        },

        map: function(fn, bind){
                var results = [];
                for (var i = 0, j = this.length; i < j; i++) results[i] = fn.call(bind, this[i], i, this);
                return results;
        },

        every: function(fn, bind){
                for (var i = 0, j = this.length; i < j; i++){
                        if (!fn.call(bind, this[i], i, this)) return false;
                }
                return true;
        },

        some: function(fn, bind){
                for (var i = 0, j = this.length; i < j; i++){
                        if (fn.call(bind, this[i], i, this)) return true;
                }
                return false;
        },

        indexOf: function(item, from){
                var len = this.length;
                for (var i = (from < 0) ? Math.max(0, len + from) : from || 0; i < len; i++){
                        if (this[i] === item) return i;
                }
                return -1;
        },

        copy: function(start, length){
                start = start || 0;
                if (start < 0) start = this.length + start;
                length = length || (this.length - start);
                var newArray = [];
                for (var i = 0; i < length; i++) newArray[i] = this[start++];
                return newArray;
        },

        remove: function(item){
                var i = 0;
                var len = this.length;
                while (i < len){
                        if (this[i] === item){
                                this.splice(i, 1);
                                len--;
                        } else {
                                i++;
                        }
                }
                return this;
        },

        contains: function(item, from){
                return this.indexOf(item, from) != -1;
        },

        associate: function(keys){
                var obj = {}, length = Math.min(this.length, keys.length);
                for (var i = 0; i < length; i++) obj[keys[i]] = this[i];
                return obj;
        },

        extend: function(array){
                for (var i = 0, j = array.length; i < j; i++) this.push(array[i]);
                return this;
        },

        merge: function(array){
                for (var i = 0, l = array.length; i < l; i++) this.include(array[i]);
                return this;
        },

        include: function(item){
                if (!this.contains(item)) this.push(item);
                return this;
        },

        getRandom: function(){
                return this[$random(0, this.length - 1)] || null;
        },

        getLast: function(){
                return this[this.length - 1] || null;
        }

});

Array.prototype.each = Array.prototype.forEach;
Array.each = Array.forEach;

function $A(array){
        return Array.copy(array);
};

function $each(iterable, fn, bind){
        if (iterable && typeof iterable.length == 'number' && $type(iterable) != 'object'){
                Array.forEach(iterable, fn, bind);
        } else {
                 for (var name in iterable) fn.call(bind || iterable, iterable[name], name);
        }
};

Array.prototype.test = Array.prototype.contains;

String.extend({

        test: function(regex, params){
                return (($type(regex) == 'string') ? new RegExp(regex, params) : regex).test(this);
        },

        toInt: function(){
                return parseInt(this, 10);
        },

        toFloat: function(){
                return parseFloat(this);
        },

        camelCase: function(){
                return this.replace(/-\D/g, function(match){
                        return match.charAt(1).toUpperCase();
                });
        },

        hyphenate: function(){
                return this.replace(/\w[A-Z]/g, function(match){
                        return (match.charAt(0) + '-' + match.charAt(1).toLowerCase());
                });
        },

        capitalize: function(){
                return this.replace(/\b[a-z]/g, function(match){
                        return match.toUpperCase();
                });
        },

        trim: function(){
                return this.replace(/^\s+|\s+$/g, '');
        },

        clean: function(){
                return this.replace(/\s{2,}/g, ' ').trim();
        },

        rgbToHex: function(array){
                var rgb = this.match(/\d{1,3}/g);
                return (rgb) ? rgb.rgbToHex(array) : false;
        },

        hexToRgb: function(array){
                var hex = this.match(/^#?(\w{1,2})(\w{1,2})(\w{1,2})$/);
                return (hex) ? hex.slice(1).hexToRgb(array) : false;
        },

        contains: function(string, s){
                return (s) ? (s + this + s).indexOf(s + string + s) > -1 : this.indexOf(string) > -1;
        },

        escapeRegExp: function(){
                return this.replace(/([.*+?^${}()|[\]\/\\])/g, '\\$1');
        }

});

Array.extend({

        rgbToHex: function(array){
                if (this.length < 3) return false;
                if (this.length == 4 && this[3] == 0 && !array) return 'transparent';
                var hex = [];
                for (var i = 0; i < 3; i++){
                        var bit = (this[i] - 0).toString(16);
                        hex.push((bit.length == 1) ? '0' + bit : bit);
                }
                return array ? hex : '#' + hex.join('');
        },

        hexToRgb: function(array){
                if (this.length != 3) return false;
                var rgb = [];
                for (var i = 0; i < 3; i++){
                        rgb.push(parseInt((this[i].length == 1) ? this[i] + this[i] : this[i], 16));
                }
                return array ? rgb : 'rgb(' + rgb.join(',') + ')';
        }

});

Function.extend({

        create: function(options){
                var fn = this;
                options = $merge({
                        'bind': fn,
                        'event': false,
                        'arguments': null,
                        'delay': false,
                        'periodical': false,
                        'attempt': false
                }, options);
                if ($chk(options.arguments) && $type(options.arguments) != 'array') options.arguments = [options.arguments];
                return function(event){
                        var args;
                        if (options.event){
                                event = event || window.event;
                                args = [(options.event === true) ? event : new options.event(event)];
                                if (options.arguments) args.extend(options.arguments);
                        }
                        else args = options.arguments || arguments;
                        var returns = function(){
                                return fn.apply($pick(options.bind, fn), args);
                        };
                        if (options.delay) return setTimeout(returns, options.delay);
                        if (options.periodical) return setInterval(returns, options.periodical);
                        if (options.attempt) try {return returns();} catch(err){return false;};
                        return returns();
                };
        },

        pass: function(args, bind){
                return this.create({'arguments': args, 'bind': bind});
        },

        attempt: function(args, bind){
                return this.create({'arguments': args, 'bind': bind, 'attempt': true})();
        },

        bind: function(bind, args){
                return this.create({'bind': bind, 'arguments': args});
        },

        bindAsEventListener: function(bind, args){
                return this.create({'bind': bind, 'event': true, 'arguments': args});
        },

        delay: function(delay, bind, args){
                return this.create({'delay': delay, 'bind': bind, 'arguments': args})();
        },

        periodical: function(interval, bind, args){
                return this.create({'periodical': interval, 'bind': bind, 'arguments': args})();
        }

});

Number.extend({

        toInt: function(){
                return parseInt(this);
        },

        toFloat: function(){
                return parseFloat(this);
        },

        limit: function(min, max){
                return Math.min(max, Math.max(min, this));
        },

        round: function(precision){
                precision = Math.pow(10, precision || 0);
                return Math.round(this * precision) / precision;
        },

        times: function(fn){
                for (var i = 0; i < this; i++) fn(i);
        }

});

var Element = new Class({

        initialize: function(el, props){
                if ($type(el) == 'string'){
                        if (window.ie && props && (props.name || props.type)){
                                var name = (props.name) ? ' name="' + props.name + '"' : '';
                                var type = (props.type) ? ' type="' + props.type + '"' : '';
                                delete props.name;
                                delete props.type;
                                el = '<' + el + name + type + '>';
                        }
                        el = document.createElement(el);
                }
                el = $(el);
                return (!props || !el) ? el : el.set(props);
        }

});

var Elements = new Class({

        initialize: function(elements){
                return (elements) ? $extend(elements, this) : this;
        }

});

Elements.extend = function(props){
        for (var prop in props){
                this.prototype[prop] = props[prop];
                this[prop] = $native.generic(prop);
        }
};

function $(el){
        if (!el) return null;
        if (el.htmlElement) return Garbage.collect(el);
        if ([window, document].contains(el)) return el;
        var type = $type(el);
        if (type == 'string'){
                el = document.getElementById(el);
                type = (el) ? 'element' : false;
        }
        if (type != 'element') return null;
        if (el.htmlElement) return Garbage.collect(el);
        if (['object', 'embed'].contains(el.tagName.toLowerCase())) return el;
        $extend(el, Element.prototype);
        el.htmlElement = function(){};
        return Garbage.collect(el);
};

document.getElementsBySelector = document.getElementsByTagName;

function $$(){
        var elements = [];
        for (var i = 0, j = arguments.length; i < j; i++){
                var selector = arguments[i];
                switch($type(selector)){
                        case 'element': elements.push(selector);
                        case 'boolean': break;
                        case false: break;
                        case 'string': selector = document.getElementsBySelector(selector, true);
                        default: elements.extend(selector);
                }
        }
        return $$.unique(elements);
};

$$.unique = function(array){
        var elements = [];
        for (var i = 0, l = array.length; i < l; i++){
                if (array[i].$included) continue;
                var element = $(array[i]);
                if (element && !element.$included){
                        element.$included = true;
                        elements.push(element);
                }
        }
        for (var n = 0, d = elements.length; n < d; n++) elements[n].$included = null;
        return new Elements(elements);
};

Elements.Multi = function(property){
        return function(){
                var args = arguments;
                var items = [];
                var elements = true;
                for (var i = 0, j = this.length, returns; i < j; i++){
                        returns = this[i][property].apply(this[i], args);
                        if ($type(returns) != 'element') elements = false;
                        items.push(returns);
                };
                return (elements) ? $$.unique(items) : items;
        };
};

Element.extend = function(properties){
        for (var property in properties){
                HTMLElement.prototype[property] = properties[property];
                Element.prototype[property] = properties[property];
                Element[property] = $native.generic(property);
                var elementsProperty = (Array.prototype[property]) ? property + 'Elements' : property;
                Elements.prototype[elementsProperty] = Elements.Multi(property);
        }
};

Element.extend({

        set: function(props){
                for (var prop in props){
                        var val = props[prop];
                        switch(prop){
                                case 'styles': this.setStyles(val); break;
                                case 'events': if (this.addEvents) this.addEvents(val); break;
                                case 'properties': this.setProperties(val); break;
                                default: this.setProperty(prop, val);
                        }
                }
                return this;
        },

        inject: function(el, where){
                el = $(el);
                switch(where){
                        case 'before': el.parentNode.insertBefore(this, el); break;
                        case 'after':
                                var next = el.getNext();
                                if (!next) el.parentNode.appendChild(this);
                                else el.parentNode.insertBefore(this, next);
                                break;
                        case 'top':
                                var first = el.firstChild;
                                if (first){
                                        el.insertBefore(this, first);
                                        break;
                                }
                        default: el.appendChild(this);
                }
                return this;
        },

        injectBefore: function(el){
                return this.inject(el, 'before');
        },

        injectAfter: function(el){
                return this.inject(el, 'after');
        },

        injectInside: function(el){
                return this.inject(el, 'bottom');
        },

        injectTop: function(el){
                return this.inject(el, 'top');
        },

        adopt: function(){
                var elements = [];
                $each(arguments, function(argument){
                        elements = elements.concat(argument);
                });
                $$(elements).inject(this);
                return this;
        },

        remove: function(){
                return this.parentNode.removeChild(this);
        },

        clone: function(contents){
                var el = $(this.cloneNode(contents !== false));
                if (!el.$events) return el;
                el.$events = {};
                for (var type in this.$events) el.$events[type] = {
                        'keys': $A(this.$events[type].keys),
                        'values': $A(this.$events[type].values)
                };
                return el.removeEvents();
        },

        replaceWith: function(el){
                el = $(el);
                this.parentNode.replaceChild(el, this);
                return el;
        },

        appendText: function(text){
                this.appendChild(document.createTextNode(text));
                return this;
        },

        hasClass: function(className){
                return this.className.contains(className, ' ');
        },

        addClass: function(className){
                if (!this.hasClass(className)) this.className = (this.className + ' ' + className).clean();
                return this;
        },

        removeClass: function(className){
                this.className = this.className.replace(new RegExp('(^|\\s)' + className + '(?:\\s|$)'), '$1').clean();
                return this;
        },

        toggleClass: function(className){
                return this.hasClass(className) ? this.removeClass(className) : this.addClass(className);
        },

        setStyle: function(property, value){
                switch(property){
                        case 'opacity': return this.setOpacity(parseFloat(value));
                        case 'float': property = (window.ie) ? 'styleFloat' : 'cssFloat';
                }
                property = property.camelCase();
                switch($type(value)){
                        case 'number': if (!['zIndex', 'zoom'].contains(property)) value += 'px'; break;
                        case 'array': value = 'rgb(' + value.join(',') + ')';
                }
                this.style[property] = value;
                return this;
        },

        setStyles: function(source){
                switch($type(source)){
                        case 'object': Element.setMany(this, 'setStyle', source); break;
                        case 'string': this.style.cssText = source;
                }
                return this;
        },

        setOpacity: function(opacity){
                if (opacity == 0){
                        if (this.style.visibility != "hidden") this.style.visibility = "hidden";
                } else {
                        if (this.style.visibility != "visible") this.style.visibility = "visible";
                }
                if (!this.currentStyle || !this.currentStyle.hasLayout) this.style.zoom = 1;
                if (window.ie) this.style.filter = (opacity == 1) ? '' : "alpha(opacity=" + opacity * 100 + ")";
                this.style.opacity = this.$tmp.opacity = opacity;
                return this;
        },

        getStyle: function(property){
                property = property.camelCase();
                var result = this.style[property];
                if (!$chk(result)){
                        if (property == 'opacity') return this.$tmp.opacity;
                        result = [];
                        for (var style in Element.Styles){
                                if (property == style){
                                        Element.Styles[style].each(function(s){
                                                var style = this.getStyle(s);
                                                result.push(parseInt(style) ? style : '0px');
                                        }, this);
                                        if (property == 'border'){
                                                var every = result.every(function(bit){
                                                        return (bit == result[0]);
                                                });
                                                return (every) ? result[0] : false;
                                        }
                                        return result.join(' ');
                                }
                        }
                        if (property.contains('border')){
                                if (Element.Styles.border.contains(property)){
                                        return ['Width', 'Style', 'Color'].map(function(p){
                                                return this.getStyle(property + p);
                                        }, this).join(' ');
                                } else if (Element.borderShort.contains(property)){
                                        return ['Top', 'Right', 'Bottom', 'Left'].map(function(p){
                                                return this.getStyle('border' + p + property.replace('border', ''));
                                        }, this).join(' ');
                                }
                        }
                        if (document.defaultView) result = document.defaultView.getComputedStyle(this, null).getPropertyValue(property.hyphenate());
                        else if (this.currentStyle) result = this.currentStyle[property];
                }
                if (window.ie) result = Element.fixStyle(property, result, this);
                if (result && property.test(/color/i) && result.contains('rgb')){
                        return result.split('rgb').splice(1,4).map(function(color){
                                return color.rgbToHex();
                        }).join(' ');
                }
                return result;
        },

        getStyles: function(){
                return Element.getMany(this, 'getStyle', arguments);
        },

        walk: function(brother, start){
                brother += 'Sibling';
                var el = (start) ? this[start] : this[brother];
                while (el && $type(el) != 'element') el = el[brother];
                return $(el);
        },

        getPrevious: function(){
                return this.walk('previous');
        },

        getNext: function(){
                return this.walk('next');
        },

        getFirst: function(){
                return this.walk('next', 'firstChild');
        },

        getLast: function(){
                return this.walk('previous', 'lastChild');
        },

        getParent: function(){
                return $(this.parentNode);
        },

        getChildren: function(){
                return $$(this.childNodes);
        },

        hasChild: function(el){
                return !!$A(this.getElementsByTagName('*')).contains(el);
        },

        getProperty: function(property){
                var index = Element.Properties[property];
                if (index) return this[index];
                var flag = Element.PropertiesIFlag[property] || 0;
                if (!window.ie || flag) return this.getAttribute(property, flag);
                var node = this.attributes[property];
                return (node) ? node.nodeValue : null;
        },

        removeProperty: function(property){
                var index = Element.Properties[property];
                if (index) this[index] = '';
                else this.removeAttribute(property);
                return this;
        },

        getProperties: function(){
                return Element.getMany(this, 'getProperty', arguments);
        },

        setProperty: function(property, value){
                var index = Element.Properties[property];
                if (index) this[index] = value;
                else this.setAttribute(property, value);
                return this;
        },

        setProperties: function(source){
                return Element.setMany(this, 'setProperty', source);
        },

        setHTML: function(){
                this.innerHTML = $A(arguments).join('');
                return this;
        },

        setText: function(text){
                var tag = this.getTag();
                if (['style', 'script'].contains(tag)){
                        if (window.ie){
                                if (tag == 'style') this.styleSheet.cssText = text;
                                else if (tag ==  'script') this.setProperty('text', text);
                                return this;
                        } else {
                                this.removeChild(this.firstChild);
                                return this.appendText(text);
                        }
                }
                this[$defined(this.innerText) ? 'innerText' : 'textContent'] = text;
                return this;
        },

        getText: function(){
                var tag = this.getTag();
                if (['style', 'script'].contains(tag)){
                        if (window.ie){
                                if (tag == 'style') return this.styleSheet.cssText;
                                else if (tag ==  'script') return this.getProperty('text');
                        } else {
                                return this.innerHTML;
                        }
                }
                return ($pick(this.innerText, this.textContent));
        },

        getTag: function(){
                return this.tagName.toLowerCase();
        },

        empty: function(){
                Garbage.trash(this.getElementsByTagName('*'));
                return this.setHTML('');
        }

});

Element.fixStyle = function(property, result, element){
        if ($chk(parseInt(result))) return result;
        if (['height', 'width'].contains(property)){
                var values = (property == 'width') ? ['left', 'right'] : ['top', 'bottom'];
                var size = 0;
                values.each(function(value){
                        size += element.getStyle('border-' + value + '-width').toInt() + element.getStyle('padding-' + value).toInt();
                });
                return element['offset' + property.capitalize()] - size + 'px';
        } else if (property.test(/border(.+)Width|margin|padding/)){
                return '0px';
        }
        return result;
};

Element.Styles = {'border': [], 'padding': [], 'margin': []};
['Top', 'Right', 'Bottom', 'Left'].each(function(direction){
        for (var style in Element.Styles) Element.Styles[style].push(style + direction);
});

Element.borderShort = ['borderWidth', 'borderStyle', 'borderColor'];

Element.getMany = function(el, method, keys){
        var result = {};
        $each(keys, function(key){
                result[key] = el[method](key);
        });
        return result;
};

Element.setMany = function(el, method, pairs){
        for (var key in pairs) el[method](key, pairs[key]);
        return el;
};

Element.Properties = new Abstract({
        'class': 'className', 'for': 'htmlFor', 'colspan': 'colSpan', 'rowspan': 'rowSpan',
        'accesskey': 'accessKey', 'tabindex': 'tabIndex', 'maxlength': 'maxLength',
        'readonly': 'readOnly', 'frameborder': 'frameBorder', 'value': 'value',
        'disabled': 'disabled', 'checked': 'checked', 'multiple': 'multiple', 'selected': 'selected'
});
Element.PropertiesIFlag = {
        'href': 2, 'src': 2
};

Element.Methods = {
        Listeners: {
                addListener: function(type, fn){
                        if (this.addEventListener) this.addEventListener(type, fn, false);
                        else this.attachEvent('on' + type, fn);
                        return this;
                },

                removeListener: function(type, fn){
                        if (this.removeEventListener) this.removeEventListener(type, fn, false);
                        else this.detachEvent('on' + type, fn);
                        return this;
                }
        }
};

window.extend(Element.Methods.Listeners);
document.extend(Element.Methods.Listeners);
Element.extend(Element.Methods.Listeners);

var Garbage = {

        elements: [],

        collect: function(el){
                if (!el.$tmp){
                        Garbage.elements.push(el);
                        el.$tmp = {'opacity': 1};
                }
                return el;
        },

        trash: function(elements){
                for (var i = 0, j = elements.length, el; i < j; i++){
                        if (!(el = elements[i]) || !el.$tmp) continue;
                        if (el.$events) el.fireEvent('trash').removeEvents();
                        for (var p in el.$tmp) el.$tmp[p] = null;
                        for (var d in Element.prototype) el[d] = null;
                        Garbage.elements[Garbage.elements.indexOf(el)] = null;
                        el.htmlElement = el.$tmp = el = null;
                }
                Garbage.elements.remove(null);
        },

        empty: function(){
                Garbage.collect(window);
                Garbage.collect(document);
                Garbage.trash(Garbage.elements);
        }

};

window.addListener('beforeunload', function(){
        window.addListener('unload', Garbage.empty);
        if (window.ie) window.addListener('unload', CollectGarbage);
});

var Event = new Class({

        initialize: function(event){
                if (event && event.$extended) return event;
                this.$extended = true;
                event = event || window.event;
                this.event = event;
                this.type = event.type;
                this.target = event.target || event.srcElement;
                if (this.target.nodeType == 3) this.target = this.target.parentNode;
                this.shift = event.shiftKey;
                this.control = event.ctrlKey;
                this.alt = event.altKey;
                this.meta = event.metaKey;
                if (['DOMMouseScroll', 'mousewheel'].contains(this.type)){
                        this.wheel = (event.wheelDelta) ? event.wheelDelta / 120 : -(event.detail || 0) / 3;
                } else if (this.type.contains('key')){
                        this.code = event.which || event.keyCode;
                        for (var name in Event.keys){
                                if (Event.keys[name] == this.code){
                                        this.key = name;
                                        break;
                                }
                        }
                        if (this.type == 'keydown'){
                                var fKey = this.code - 111;
                                if (fKey > 0 && fKey < 13) this.key = 'f' + fKey;
                        }
                        this.key = this.key || String.fromCharCode(this.code).toLowerCase();
                } else if (this.type.test(/(click|mouse|menu)/)){
                        this.page = {
                                'x': event.pageX || event.clientX + (document.body.scrollLeft || document.documentElement.scrollLeft),
                                'y': event.pageY || event.clientY + (document.body.scrollTop || document.documentElement.scrollTop)
                        };
                        this.client = {
                                'x': event.pageX ? event.pageX - window.pageXOffset : event.clientX,
                                'y': event.pageY ? event.pageY - window.pageYOffset : event.clientY
                        };
                        this.rightClick = (event.which == 3) || (event.button == 2);
                        switch(this.type){
                                case 'mouseover': this.relatedTarget = event.relatedTarget || event.fromElement; break;
                                case 'mouseout': this.relatedTarget = event.relatedTarget || event.toElement;
                        }
                        this.fixRelatedTarget();
                }
                return this;
        },

        stop: function(){
                return this.stopPropagation().preventDefault();
        },

        stopPropagation: function(){
                if (this.event.stopPropagation) this.event.stopPropagation();
                else this.event.cancelBubble = true;
                return this;
        },

        preventDefault: function(){
                if (this.event.preventDefault) this.event.preventDefault();
                else this.event.returnValue = false;
                return this;
        }

});

Event.fix = {

        relatedTarget: function(){
                if (this.relatedTarget && this.relatedTarget.nodeType == 3) this.relatedTarget = this.relatedTarget.parentNode;
        },

        relatedTargetGecko: function(){
                try {Event.fix.relatedTarget.call(this);} catch(e){this.relatedTarget = this.target;}
        }

};

Event.prototype.fixRelatedTarget = (window.gecko) ? Event.fix.relatedTargetGecko : Event.fix.relatedTarget;

Event.keys = new Abstract({
        'enter': 13,
        'up': 38,
        'down': 40,
        'left': 37,
        'right': 39,
        'esc': 27,
        'space': 32,
        'backspace': 8,
        'tab': 9,
        'delete': 46
});

Element.Methods.Events = {

        addEvent: function(type, fn){
                this.$events = this.$events || {};
                this.$events[type] = this.$events[type] || {'keys': [], 'values': []};
                if (this.$events[type].keys.contains(fn)) return this;
                this.$events[type].keys.push(fn);
                var realType = type;
                var custom = Element.Events[type];
                if (custom){
                        if (custom.add) custom.add.call(this, fn);
                        if (custom.map) fn = custom.map;
                        if (custom.type) realType = custom.type;
                }
                if (!this.addEventListener) fn = fn.create({'bind': this, 'event': true});
                this.$events[type].values.push(fn);
                return (Element.NativeEvents.contains(realType)) ? this.addListener(realType, fn) : this;
        },

        removeEvent: function(type, fn){
                if (!this.$events || !this.$events[type]) return this;
                var pos = this.$events[type].keys.indexOf(fn);
                if (pos == -1) return this;
                var key = this.$events[type].keys.splice(pos,1)[0];
                var value = this.$events[type].values.splice(pos,1)[0];
                var custom = Element.Events[type];
                if (custom){
                        if (custom.remove) custom.remove.call(this, fn);
                        if (custom.type) type = custom.type;
                }
                return (Element.NativeEvents.contains(type)) ? this.removeListener(type, value) : this;
        },

        addEvents: function(source){
                return Element.setMany(this, 'addEvent', source);
        },

        removeEvents: function(type){
                if (!this.$events) return this;
                if (!type){
                        for (var evType in this.$events) this.removeEvents(evType);
                        this.$events = null;
                } else if (this.$events[type]){
                        this.$events[type].keys.each(function(fn){
                                this.removeEvent(type, fn);
                        }, this);
                        this.$events[type] = null;
                }
                return this;
        },

        fireEvent: function(type, args, delay){
                if (this.$events && this.$events[type]){
                        this.$events[type].keys.each(function(fn){
                                fn.create({'bind': this, 'delay': delay, 'arguments': args})();
                        }, this);
                }
                return this;
        },

        cloneEvents: function(from, type){
                if (!from.$events) return this;
                if (!type){
                        for (var evType in from.$events) this.cloneEvents(from, evType);
                } else if (from.$events[type]){
                        from.$events[type].keys.each(function(fn){
                                this.addEvent(type, fn);
                        }, this);
                }
                return this;
        }

};

window.extend(Element.Methods.Events);
document.extend(Element.Methods.Events);
Element.extend(Element.Methods.Events);

Element.Events = new Abstract({

        'mouseenter': {
                type: 'mouseover',
                map: function(event){
                        event = new Event(event);
                        if (event.relatedTarget != this && !this.hasChild(event.relatedTarget)) this.fireEvent('mouseenter', event);
                }
        },

        'mouseleave': {
                type: 'mouseout',
                map: function(event){
                        event = new Event(event);
                        if (event.relatedTarget != this && !this.hasChild(event.relatedTarget)) this.fireEvent('mouseleave', event);
                }
        },

        'mousewheel': {
                type: (window.gecko) ? 'DOMMouseScroll' : 'mousewheel'
        }

});

Element.NativeEvents = [
        'click', 'dblclick', 'mouseup', 'mousedown',
        'mousewheel', 'DOMMouseScroll',
        'mouseover', 'mouseout', 'mousemove',
        'keydown', 'keypress', 'keyup',
        'load', 'unload', 'beforeunload', 'resize', 'move',
        'focus', 'blur', 'change', 'submit', 'reset', 'select',
        'error', 'abort', 'contextmenu', 'scroll'
];

Function.extend({

        bindWithEvent: function(bind, args){
                return this.create({'bind': bind, 'arguments': args, 'event': Event});
        }

});

Elements.extend({

        filterByTag: function(tag){
                return new Elements(this.filter(function(el){
                        return (Element.getTag(el) == tag);
                }));
        },

        filterByClass: function(className, nocash){
                var elements = this.filter(function(el){
                        return (el.className && el.className.contains(className, ' '));
                });
                return (nocash) ? elements : new Elements(elements);
        },

        filterById: function(id, nocash){
                var elements = this.filter(function(el){
                        return (el.id == id);
                });
                return (nocash) ? elements : new Elements(elements);
        },

        filterByAttribute: function(name, operator, value, nocash){
                var elements = this.filter(function(el){
                        var current = Element.getProperty(el, name);
                        if (!current) return false;
                        if (!operator) return true;
                        switch(operator){
                                case '=': return (current == value);
                                case '*=': return (current.contains(value));
                                case '^=': return (current.substr(0, value.length) == value);
                                case '$=': return (current.substr(current.length - value.length) == value);
                                case '!=': return (current != value);
                                case '~=': return current.contains(value, ' ');
                        }
                        return false;
                });
                return (nocash) ? elements : new Elements(elements);
        }

});

function $E(selector, filter){
        return ($(filter) || document).getElement(selector);
};

function $ES(selector, filter){
        return ($(filter) || document).getElementsBySelector(selector);
};

$$.shared = {

        'regexp': /^(\w*|\*)(?:#([\w-]+)|\.([\w-]+))?(?:\[(\w+)(?:([!*^$]?=)["']?([^"'\]]*)["']?)?])?$/,

        'xpath': {

                getParam: function(items, context, param, i){
                        var temp = [context.namespaceURI ? 'xhtml:' : '', param[1]];
                        if (param[2]) temp.push('[@id="', param[2], '"]');
                        if (param[3]) temp.push('[contains(concat(" ", @class, " "), " ', param[3], ' ")]');
                        if (param[4]){
                                if (param[5] && param[6]){
                                        switch(param[5]){
                                                case '*=': temp.push('[contains(@', param[4], ', "', param[6], '")]'); break;
                                                case '^=': temp.push('[starts-with(@', param[4], ', "', param[6], '")]'); break;
                                                case '$=': temp.push('[substring(@', param[4], ', string-length(@', param[4], ') - ', param[6].length, ' + 1) = "', param[6], '"]'); break;
                                                case '=': temp.push('[@', param[4], '="', param[6], '"]'); break;
                                                case '!=': temp.push('[@', param[4], '!="', param[6], '"]');
                                        }
                                } else {
                                        temp.push('[@', param[4], ']');
                                }
                        }
                        items.push(temp.join(''));
                        return items;
                },

                getItems: function(items, context, nocash){
                        var elements = [];
                        var xpath = document.evaluate('.//' + items.join('//'), context, $$.shared.resolver, XPathResult.UNORDERED_NODE_SNAPSHOT_TYPE, null);
                        for (var i = 0, j = xpath.snapshotLength; i < j; i++) elements.push(xpath.snapshotItem(i));
                        return (nocash) ? elements : new Elements(elements.map($));
                }

        },

        'normal': {

                getParam: function(items, context, param, i){
                        if (i == 0){
                                if (param[2]){
                                        var el = context.getElementById(param[2]);
                                        if (!el || ((param[1] != '*') && (Element.getTag(el) != param[1]))) return false;
                                        items = [el];
                                } else {
                                        items = $A(context.getElementsByTagName(param[1]));
                                }
                        } else {
                                items = $$.shared.getElementsByTagName(items, param[1]);
                                if (param[2]) items = Elements.filterById(items, param[2], true);
                        }
                        if (param[3]) items = Elements.filterByClass(items, param[3], true);
                        if (param[4]) items = Elements.filterByAttribute(items, param[4], param[5], param[6], true);
                        return items;
                },

                getItems: function(items, context, nocash){
                        return (nocash) ? items : $$.unique(items);
                }

        },

        resolver: function(prefix){
                return (prefix == 'xhtml') ? 'http://www.w3.org/1999/xhtml' : false;
        },

        getElementsByTagName: function(context, tagName){
                var found = [];
                for (var i = 0, j = context.length; i < j; i++) found.extend(context[i].getElementsByTagName(tagName));
                return found;
        }

};

$$.shared.method = (window.xpath) ? 'xpath' : 'normal';

var Selectors = {

        'regExp': /:([^-:(]+)[^:(]*(?:\((["']?)(.*?)\2\))?|\[(\w+)(?:([!*^$~|]?=)(["']?)(.*?)\6)?\]|\.[\w-]+|#[\w-]+|\w+|\*/g,

        'sRegExp': /\s*([+>~\s])[a-zA-Z#.*\s]/g

};

Selectors.$parse = function(selector){
        var params = {tag: '*', id: null, classes: [], attributes: [], pseudos: []};
        selector = selector.replace(Selectors.regExp, function(bit) {
                switch (bit.charAt(0)){
                        case '.': params.classes.push(bit.slice(1)); break;
                        case '#': params.id = bit.slice(1); break;
                        case '[': params.attributes.push([arguments[4], arguments[5], arguments[7]]); break;
                        case ':':
                                var name = arguments[1];
                                var xparser = Selectors.Pseudo[name];
                                var pseudo = {'name': name, 'parser': xparser, 'argument': arguments[3]};
                                if (xparser && xparser.parser) pseudo.argument = (xparser.parser.apply) ? xparser.parser(pseudo.argument) : xparser.parser;
                                params.pseudos.push(pseudo);
                                break;
                        default: params.tag = bit;
                }
                return '';
        });
        return params;
};

Selectors.Pseudo = new Abstract();

Selectors.XPath = {

        getParam: function(items, separator, context, tag, id, classNames, attributes, pseudos){
                var temp = (context.namespaceURI && !window.webkit) ? 'xhtml:' : '';
                switch (separator){
                        case '~': case '+': temp += '/following-sibling::'; break;
                        case '>': temp += '/'; break;
                        case ' ': temp += '//';
                }
                temp += tag;
                if (separator == '+') temp += '[1]';
                var i;
                for (i = pseudos.length; i--; i){
                        var pseudo = pseudos[i];
                        if (pseudo.parser && pseudo.parser.xpath) temp += pseudo.parser.xpath(pseudo.argument);
                        else temp += ($chk(pseudo.argument)) ? '[@' + pseudo.name + '="' + pseudo.argument + '"]' : '[@' + pseudo.name + ']';
                }
                if (id) temp += '[@id="' + id + '"]';
                for (i = classNames.length; i--; i) temp += '[contains(concat(" ", @class, " "), " ' + classNames[i] + ' ")]';
                for (i = attributes.length; i--; i){
                        var bits = attributes[i];
                        switch (bits[1]){
                                case '=': temp += '[@' + bits[0] + '="' + bits[2] + '"]'; break;
                                case '*=': temp += '[contains(@' + bits[0] + ', "' + bits[2] + '")]'; break;
                                case '^=': temp += '[starts-with(@' + bits[0] + ', "' + bits[2] + '")]'; break;
                                case '$=': temp += '[substring(@' + bits[0] + ', string-length(@' + bits[0] + ') - ' + bits[2].length + ' + 1) = "' + bits[2] + '"]'; break;
                                case '!=': temp += '[@' + bits[0] + '!="' + bits[2] + '"]'; break;
                                case '~=': temp += '[contains(concat(" ", @' + bits[0] + ', " "), " ' + bits[2] + ' ")]'; break;
                                case '|=': temp += '[contains(concat("-", @' + bits[0] + ', "-"), "-' + bits[2] + '-")]'; break;
                                default: temp += '[@' + bits[0] + ']';
                        }
                }
                items.push(temp);
                return items;
        },

        getItems: function(items, context, nocash){
                var elements = [];
                var xpath = document.evaluate('.//' + items.join(''), context, Selectors.XPath.resolver, XPathResult.UNORDERED_NODE_SNAPSHOT_TYPE, null);
                for (var i = 0, j = xpath.snapshotLength; i < j; i++) elements[i] = (nocash) ? xpath.snapshotItem(i) : $(xpath.snapshotItem(i));
                return (nocash) ? elements : new Elements(elements, true);
        },

        resolver: function(prefix){
                return (prefix == 'xhtml') ? 'http://www.w3.org/1999/xhtml' : false;
        }

};

Selectors.Filter = {

        getParam: function(items, separator, context, tag, id, classNames, attributes, pseudos){
                var i;
                if (separator){
                        var found = [], j = items.length;
                        switch (separator){
                                case ' ':
                                        for (i = 0; i < j; i++) found.extend(items[i].getElementsByTagName(tag));
                                        break;
                                case '>':
                                        for (i = 0; i < j; i++){
                                                var children = items[i].childNodes;
                                                for (var k = 0, l = children.length; k < l; k++){
                                                        if (Selectors.Filter.hasTag(children[k], tag)) found.push(children[k]);
                                                }
                                        }
                                        break;
                                default:
                                        var all = !!(separator == '~');
                                        for (i = 0; i < j; i++){
                                                var next = items[i];
                                                while ((next = next.nextSibling)){
                                                        if (Selectors.Filter.hasTag(next, tag)){
                                                                found.push(next);
                                                                if (!all) break;
                                                        }
                                                }
                                        }
                        }
                        items = (id) ? Elements.filterById(found, id, true) : found;
                } else {
                        if (id){
                                var el = context.getElementById(id);
                                if (!el || ((tag != '*') && (tag != el.tagName.toLowerCase()))) return false;
                                items = [el];
                        } else {
                                items = $A(context.getElementsByTagName(tag));
                        }
                }
                for (i = classNames.length; i--; i) items = Elements.filterByClass(items, classNames[i], true);
                for (i = attributes.length; i--; i){
                        var bits = attributes[i];
                        items = Elements.filterByAttribute(items, bits[0], bits[1], bits[2], true);
                }
                for (i = pseudos.length; i--; i){
                        var pseudo = pseudos[i];
                        if (pseudo.parser && pseudo.parser.filter){
                                var temp = {}, xparser = pseudo.parser, argument = pseudo.argument;
                                items = items.filter(function(el, i, array){
                                        return xparser.filter(el, argument, i, array, temp);
                                });
                                temp = null;
                        } else {
                                items = Elements.filterByAttribute(items, pseudo.name, ($chk(pseudo.argument)) ? '=' : false, pseudo.argument, true);
                        }
                }
                return items;
        },

        getItems: function(items, context, nocash){
                return (nocash) ? items : new Elements(items);
        },

        hasTag: function(el, tag){
                return (el.nodeName && el.nodeType == 1 && (tag == '*' || el.tagName.toLowerCase() == tag));
        }

};

Selectors.Method = (window.xpath) ? Selectors.XPath : Selectors.Filter;

Element.Methods.Dom = {

        getElements: function(selector, nocash){
                /*var items = [];
                selector = selector.trim().split(' ');
                for (var i = 0, j = selector.length; i < j; i++){
                        var sel = selector[i];
                        var param = sel.match($$.shared.regexp);
                        if (!param) break;
                        param[1] = param[1] || '*';
                        var temp = $$.shared[$$.shared.method].getParam(items, this, param, i);
                        if (!temp) break;
                        items = temp;
                }
                return $$.shared[$$.shared.method].getItems(items, this, nocash);*/
    var items = [];
    var separators = [];
    selector = selector.trim().replace(Selectors.sRegExp, function(match){
            if (match.charAt(2)) match = match.trim();
            separators.push(match.charAt(0));
            return '%' + match.charAt(1);
    }).split('%');
    for (var i = 0, j = selector.length; i < j; i++){
            var params = Selectors.$parse(selector[i]);
            if (!params) break;
            var temp = Selectors.Method.getParam(items, separators[i - 1] || false, this, params.tag, params.id, params.classes, params.attributes, params.pseudos);
            if (!temp) break;
            items = temp;
    }
    return Selectors.Method.getItems(items, this, nocash);
        },

        getElement: function(selector){
                return $(this.getElements(selector, true)[0] || false);
        },

        getElementsBySelector: function(selector, nocash){
                var elements = [];
                selector = selector.split(',');
                for (var i = 0, j = selector.length; i < j; i++) elements = elements.concat(this.getElements(selector[i], true));
                return (nocash) ? elements : $$.unique(elements);
        }

};

Element.extend({

        getElementById: function(id){
                var el = document.getElementById(id);
                if (!el) return false;
                for (var parent = el.parentNode; parent != this; parent = parent.parentNode){
                        if (!parent) return false;
                }
                return el;
        }/*compatibility*/,

        getElementsByClassName: function(className){
                return this.getElements('.' + className);
        }

});

document.extend(Element.Methods.Dom);
Element.extend(Element.Methods.Dom);

Element.extend({

        getValue: function(){
                switch(this.getTag()){
                        case 'select':
                                var values = [];
                                $each(this.options, function(option){
                                        if (option.selected) values.push((option.value != '')?option.value:option.text);
                                });
                                return (this.multiple) ? values : values[0];
                        case 'input': if (!(this.checked && ['checkbox', 'radio'].contains(this.type)) && !['hidden', 'text', 'password'].contains(this.type)) break;
                        case 'textarea': return this.value;
                }
                return false;
        },

        getFormElements: function(){
                return $$(this.getElementsByTagName('input'), this.getElementsByTagName('select'), this.getElementsByTagName('textarea'));
        },

        toQueryString: function(){
                var queryString = [];
                this.getFormElements().each(function(el){
                        var name = el.name;
                        var value = el.getValue();
                        if (value === false || !name || el.disabled) return;
                        var qs = function(val){
                                queryString.push(name + '=' + encodeURIComponent(val));
                        };
                        if ($type(value) == 'array') value.each(qs);
                        else qs(value);
                });
                return queryString.join('&');
        }

});

Element.extend({

        scrollTo: function(x, y){
                this.scrollLeft = x;
                this.scrollTop = y;
        },

        getSize: function(){
                return {
                        'scroll': {'x': this.scrollLeft, 'y': this.scrollTop},
                        'size': {'x': this.offsetWidth, 'y': this.offsetHeight},
                        'scrollSize': {'x': this.scrollWidth, 'y': this.scrollHeight}
                };
        },

        getPosition: function(overflown){
                overflown = overflown || [];
                var el = this, left = 0, top = 0;
                do {
                        left += el.offsetLeft || 0;
                        top += el.offsetTop || 0;
                        el = el.offsetParent;
                } while (el);
                overflown.each(function(element){
                        left -= element.scrollLeft || 0;
                        top -= element.scrollTop || 0;
                });
                return {'x': left, 'y': top};
        },

        getTop: function(overflown){
                return this.getPosition(overflown).y;
        },

        getLeft: function(overflown){
                return this.getPosition(overflown).x;
        },

        getCoordinates: function(overflown){
                var position = this.getPosition(overflown);
                var obj = {
                        'width': this.offsetWidth,
                        'height': this.offsetHeight,
                        'left': position.x,
                        'top': position.y
                };
                obj.right = obj.left + obj.width;
                obj.bottom = obj.top + obj.height;
                return obj;
        }

});

Element.Events.domready = {

        add: function(fn){
                if (window.loaded){
                        fn.call(this);
                        return;
                }
                var domReady = function(){
                        if (window.loaded) return;
                        window.loaded = true;
                        window.timer = $clear(window.timer);
                        this.fireEvent('domready');
                }.bind(this);
                if (document.readyState && window.webkit){
                        window.timer = function(){
                          //console.log(document.readyState);
                                if (['loaded','complete'].contains(document.readyState)) domReady();
                        }.periodical(50);
                } else if (document.readyState && window.ie){
                        if (!$('ie_ready')){
                                var src = (window.location.protocol == 'https:') ? '://0' : 'javascript:void(0)';
                                document.write('<script id="ie_ready" defer src="' + src + '"><\/script>');
                                $('ie_ready').onreadystatechange = function(){
                                        if (this.readyState == 'complete') domReady();
                                };
                        }
                } else {
                        window.addListener("load", domReady);
                        document.addListener("DOMContentLoaded", domReady);
                }
        }

};

window.onDomReady = function(fn){
        return this.addEvent('domready', fn);
};

window.extend({

		getWidth: function(){
                if (this.webkit419) return this.innerWidth;
                if (this.opera) return document.body.clientWidth;
                return document.documentElement.clientWidth || document.body.clientWidth;
        },

        getHeight: function(){
                if (this.webkit419) return this.innerHeight;
                if (this.opera) return document.body.clientHeight;
                return document.documentElement.clientHeight || document.body.clientHeight;
        },

        getScrollWidth: function(){
                if (this.ie) return Math.max(document.documentElement.offsetWidth || document.body.offsetWidth, document.documentElement.scrollWidth || document.body.scrollWidth);
                if (this.webkit) return document.body.scrollWidth;
                return document.documentElement.scrollWidth;
        },

        getScrollHeight: function(){
                if (this.ie) return Math.max(document.documentElement.offsetHeight || document.body.offsetHeight, document.documentElement.scrollHeight || document.body.scrollHeight);
                if (this.webkit) return document.body.scrollHeight;
                return document.documentElement.scrollHeight;
        },

        getScrollLeft: function(){
                return this.pageXOffset || document.documentElement.scrollLeft || document.body.scrollLeft;
        },

        getScrollTop: function(){
                return this.pageYOffset || document.documentElement.scrollTop || document.body.scrollTop;
        },

        getSize: function(){
                return {
                        'size': {'x': this.getWidth(), 'y': this.getHeight()},
                        'scrollSize': {'x': this.getScrollWidth(), 'y': this.getScrollHeight()},
                        'scroll': {'x': this.getScrollLeft(), 'y': this.getScrollTop()}
                };
        },
        getPosition: function(){return {'x': 0, 'y': 0};}

});

var Fx = {};

Fx.Base = new Class({

        options: {
                onStart: Class.empty,
                onComplete: Class.empty,
                onCancel: Class.empty,
                transition: function(p){
                        return -(Math.cos(Math.PI * p) - 1) / 2;
                },
                duration: 500,
                unit: 'px',
                wait: true,
                fps: 50
        },

        initialize: function(options){
                this.element = this.element || null;
                this.setOptions(options);
                if (this.options.initialize) this.options.initialize.call(this);
        },

        step: function(){
                var time = $time();
                if (time < this.time + this.options.duration){
                        this.delta = this.options.transition((time - this.time) / this.options.duration);
                        this.setNow();
                        this.increase();
                } else {
                        this.stop(true);
                        this.set(this.to);
                        this.fireEvent('onComplete', this.element, 10);
                        this.callChain();
                }
        },

        set: function(to){
                this.now = to;
                this.increase();
                return this;
        },

        setNow: function(){
                this.now = this.compute(this.from, this.to);
        },

        compute: function(from, to){
                return (to - from) * this.delta + from;
        },

        start: function(from, to){
                if (!this.options.wait) this.stop();
                else if (this.timer) return this;
                this.from = from;
                this.to = to;
                this.change = this.to - this.from;
                this.time = $time();
                this.timer = this.step.periodical(Math.round(1000 / this.options.fps), this);
                this.fireEvent('onStart', this.element);
                return this;
        },

        stop: function(end){
                if (!this.timer) return this;
                this.timer = $clear(this.timer);
                if (!end) this.fireEvent('onCancel', this.element);
                return this;
        }/*compatibility*/,

        custom: function(from, to){
                return this.start(from, to);
        },

        clearTimer: function(end){
                return this.stop(end);
        }

});

Fx.Base.implement(new Chain, new Events, new Options);

Fx.CSS = {

        select: function(property, to){
                if (property.test(/color/i)) return this.Color;
                var type = $type(to);
                if ((type == 'array') || (type == 'string' && to.contains(' '))) return this.Multi;
                return this.Single;
        },

        parse: function(el, property, fromTo){
                if (!fromTo.push) fromTo = [fromTo];
                var from = fromTo[0], to = fromTo[1];
                if (!$chk(to)){
                        to = from;
                        from = el.getStyle(property);
                }
                var css = this.select(property, to);
                return {'from': css.parse(from), 'to': css.parse(to), 'css': css};
        }

};

Fx.CSS.Single = {

        parse: function(value){
                return parseFloat(value);
        },

        getNow: function(from, to, fx){
                return fx.compute(from, to);
        },

        getValue: function(value, unit, property){
                if (unit == 'px' && property != 'opacity') value = Math.round(value);
                return value + unit;
        }

};

Fx.CSS.Multi = {

        parse: function(value){
                return value.push ? value : value.split(' ').map(function(v){
                        return parseFloat(v);
                });
        },

        getNow: function(from, to, fx){
                var now = [];
                for (var i = 0; i < from.length; i++) now[i] = fx.compute(from[i], to[i]);
                return now;
        },

        getValue: function(value, unit, property){
                if (unit == 'px' && property != 'opacity') value = value.map(Math.round);
                return value.join(unit + ' ') + unit;
        }

};

Fx.CSS.Color = {

        parse: function(value){
                return value.push ? value : value.hexToRgb(true);
        },

        getNow: function(from, to, fx){
                var now = [];
                for (var i = 0; i < from.length; i++) now[i] = Math.round(fx.compute(from[i], to[i]));
                return now;
        },

        getValue: function(value){
                return 'rgb(' + value.join(',') + ')';
        }

};

Fx.Style = Fx.Base.extend({

        initialize: function(el, property, options){
                this.element = $(el);
                this.property = property;
                this.parent(options);
        },

        hide: function(){
                return this.set(0);
        },

        setNow: function(){
                this.now = this.css.getNow(this.from, this.to, this);
        },

        set: function(to){
                this.css = Fx.CSS.select(this.property, to);
                return this.parent(this.css.parse(to));
        },

        start: function(from, to){
                if (this.timer && this.options.wait) return this;
                var parsed = Fx.CSS.parse(this.element, this.property, [from, to]);
                this.css = parsed.css;
                return this.parent(parsed.from, parsed.to);
        },

        increase: function(){
                this.element.setStyle(this.property, this.css.getValue(this.now, this.options.unit, this.property));
        }

});

Element.extend({

        effect: function(property, options){
                return new Fx.Style(this, property, options);
        }

});

Fx.Styles = Fx.Base.extend({

        initialize: function(el, options){
                this.element = $(el);
                this.parent(options);
        },

        setNow: function(){
                for (var p in this.from) this.now[p] = this.css[p].getNow(this.from[p], this.to[p], this);
        },

        set: function(to){
                var parsed = {};
                this.css = {};
                for (var p in to){
                        this.css[p] = Fx.CSS.select(p, to[p]);
                        parsed[p] = this.css[p].parse(to[p]);
                }
                return this.parent(parsed);
        },

        start: function(obj){
                if (this.timer && this.options.wait) return this;
                this.now = {};
                this.css = {};
                var from = {}, to = {};
                for (var p in obj){
                        var parsed = Fx.CSS.parse(this.element, p, obj[p]);
                        from[p] = parsed.from;
                        to[p] = parsed.to;
                        this.css[p] = parsed.css;
                }
                return this.parent(from, to);
        },

        increase: function(){
                for (var p in this.now) this.element.setStyle(p, this.css[p].getValue(this.now[p], this.options.unit, p));
        }

});

Element.extend({

        effects: function(options){
                return new Fx.Styles(this, options);
        }

});

Fx.Elements = Fx.Base.extend({

        initialize: function(elements, options){
                this.elements = $$(elements);
                this.parent(options);
        },

        setNow: function(){
                for (var i in this.from){
                        var iFrom = this.from[i], iTo = this.to[i], iCss = this.css[i], iNow = this.now[i] = {};
                        for (var p in iFrom) iNow[p] = iCss[p].getNow(iFrom[p], iTo[p], this);
                }
        },

        set: function(to){
                var parsed = {};
                this.css = {};
                for (var i in to){
                        var iTo = to[i], iCss = this.css[i] = {}, iParsed = parsed[i] = {};
                        for (var p in iTo){
                                iCss[p] = Fx.CSS.select(p, iTo[p]);
                                iParsed[p] = iCss[p].parse(iTo[p]);
                        }
                }
                return this.parent(parsed);
        },

        start: function(obj){
                if (this.timer && this.options.wait) return this;
                this.now = {};
                this.css = {};
                var from = {}, to = {};
                for (var i in obj){
                        var iProps = obj[i], iFrom = from[i] = {}, iTo = to[i] = {}, iCss = this.css[i] = {};
                        for (var p in iProps){
                                var parsed = Fx.CSS.parse(this.elements[i], p, iProps[p]);
                                iFrom[p] = parsed.from;
                                iTo[p] = parsed.to;
                                iCss[p] = parsed.css;
                        }
                }
                return this.parent(from, to);
        },

        increase: function(){
                for (var i in this.now){
                        var iNow = this.now[i], iCss = this.css[i];
                        for (var p in iNow) this.elements[i].setStyle(p, iCss[p].getValue(iNow[p], this.options.unit, p));
                }
        }

});

Fx.Scroll = Fx.Base.extend({

        options: {
                overflown: [],
                offset: {'x': 0, 'y': 0},
                wheelStops: true
        },

        initialize: function(element, options){
                this.now = [];
                this.element = $(element);
                this.bound = {'stop': this.stop.bind(this, false)};
                this.parent(options);
                if (this.options.wheelStops){
                        this.addEvent('onStart', function(){
                                document.addEvent('mousewheel', this.bound.stop);
                        }.bind(this));
                        this.addEvent('onComplete', function(){
                                document.removeEvent('mousewheel', this.bound.stop);
                        }.bind(this));
                }
        },

        setNow: function(){
                for (var i = 0; i < 2; i++) this.now[i] = this.compute(this.from[i], this.to[i]);
        },

        scrollTo: function(x, y){
                if (this.timer && this.options.wait) return this;
                var el = this.element.getSize();
                var values = {'x': x, 'y': y};
                for (var z in el.size){
                        var max = el.scrollSize[z] - el.size[z];
                        if ($chk(values[z])) values[z] = ($type(values[z]) == 'number') ? values[z].limit(0, max) : max;
                        else values[z] = el.scroll[z];
                        values[z] += this.options.offset[z];
                }
                return this.start([el.scroll.x, el.scroll.y], [values.x, values.y]);
        },

        toTop: function(){
                return this.scrollTo(false, 0);
        },

        toBottom: function(){
                return this.scrollTo(false, 'full');
        },

        toLeft: function(){
                return this.scrollTo(0, false);
        },

        toRight: function(){
                return this.scrollTo('full', false);
        },

        toElement: function(el){
                var parent = this.element.getPosition(this.options.overflown);
                var target = $(el).getPosition(this.options.overflown);
                return this.scrollTo(target.x - parent.x, target.y - parent.y);
        },

        increase: function(){
                this.element.scrollTo(this.now[0], this.now[1]);
        }

});

Fx.Slide = Fx.Base.extend({

        options: {
                mode: 'vertical'
        },

        initialize: function(el, options){
                this.element = $(el);
                this.wrapper = new Element('div', {'styles': $extend(this.element.getStyles('margin'), {'overflow': 'hidden'})}).injectAfter(this.element).adopt(this.element);
                this.element.setStyle('margin', 0);
                this.setOptions(options);
                this.now = [];
                this.parent(this.options);
                this.open = true;
                this.addEvent('onComplete', function(){
                        this.open = (this.now[0] === 0);
                });
                if (window.webkit419) this.addEvent('onComplete', function(){
                        if (this.open) this.element.remove().inject(this.wrapper);
                });
        },

        setNow: function(){
                for (var i = 0; i < 2; i++) this.now[i] = this.compute(this.from[i], this.to[i]);
        },

        vertical: function(){
                this.margin = 'margin-top';
                this.layout = 'height';
                this.offset = this.element.offsetHeight;
        },

        horizontal: function(){
                this.margin = 'margin-left';
                this.layout = 'width';
                this.offset = this.element.offsetWidth;
        },

        slideIn: function(mode){
                this[mode || this.options.mode]();
                return this.start([this.element.getStyle(this.margin).toInt(), this.wrapper.getStyle(this.layout).toInt()], [0, this.offset]);
        },

        slideOut: function(mode){
                this[mode || this.options.mode]();
                return this.start([this.element.getStyle(this.margin).toInt(), this.wrapper.getStyle(this.layout).toInt()], [-this.offset, 0]);
        },

        hide: function(mode){
                this[mode || this.options.mode]();
                this.open = false;
                return this.set([-this.offset, 0]);
        },

        show: function(mode){
                this[mode || this.options.mode]();
                this.open = true;
                return this.set([0, this.offset]);
        },

        toggle: function(mode){
                if (this.wrapper.offsetHeight == 0 || this.wrapper.offsetWidth == 0) return this.slideIn(mode);
                return this.slideOut(mode);
        },

        increase: function(){
                this.element.setStyle(this.margin, this.now[0] + this.options.unit);
                this.wrapper.setStyle(this.layout, this.now[1] + this.options.unit);
        }

});

Fx.Transition = function(transition, params){
        params = params || [];
        if ($type(params) != 'array') params = [params];
        return $extend(transition, {
                easeIn: function(pos){
                        return transition(pos, params);
                },
                easeOut: function(pos){
                        return 1 - transition(1 - pos, params);
                },
                easeInOut: function(pos){
                        return (pos <= 0.5) ? transition(2 * pos, params) / 2 : (2 - transition(2 * (1 - pos), params)) / 2;
                }
        });
};

Fx.Transitions = new Abstract({

        linear: function(p){
                return p;
        }

});

Fx.Transitions.extend = function(transitions){
        for (var transition in transitions){
                Fx.Transitions[transition] = new Fx.Transition(transitions[transition]);
                Fx.Transitions.compat(transition);
        }
};

Fx.Transitions.compat = function(transition){
        ['In', 'Out', 'InOut'].each(function(easeType){
                Fx.Transitions[transition.toLowerCase() + easeType] = Fx.Transitions[transition]['ease' + easeType];
        });
};

Fx.Transitions.extend({

        Pow: function(p, x){
                return Math.pow(p, x[0] || 6);
        },

        Expo: function(p){
                return Math.pow(2, 8 * (p - 1));
        },

        Circ: function(p){
                return 1 - Math.sin(Math.acos(p));
        },

        Sine: function(p){
                return 1 - Math.sin((1 - p) * Math.PI / 2);
        },

        Back: function(p, x){
                x = x[0] || 1.618;
                return Math.pow(p, 2) * ((x + 1) * p - x);
        },

        Bounce: function(p){
                var value;
                for (var a = 0, b = 1; 1; a += b, b /= 2){
                        if (p >= (7 - 4 * a) / 11){
                                value = - Math.pow((11 - 6 * a - 11 * p) / 4, 2) + b * b;
                                break;
                        }
                }
                return value;
        },

        Elastic: function(p, x){
                return Math.pow(2, 10 * --p) * Math.cos(20 * p * Math.PI * (x[0] || 1) / 3);
        }

});

['Quad', 'Cubic', 'Quart', 'Quint'].each(function(transition, i){
        Fx.Transitions[transition] = new Fx.Transition(function(p){
                return Math.pow(p, [i + 2]);
        });
        Fx.Transitions.compat(transition);
});

var Drag = {};

Drag.Base = new Class({

        options: {
                handle: false,
                unit: 'px',
                onStart: Class.empty,
                onBeforeStart: Class.empty,
                onComplete: Class.empty,
                onSnap: Class.empty,
                onDrag: Class.empty,
                limit: false,
                modifiers: {x: 'left', y: 'top'},
                grid: false,
                snap: 6
        },

        initialize: function(el, options){
                this.setOptions(options);
                this.element = $(el);
                this.handle = $(this.options.handle) || this.element;
                this.mouse = {'now': {}, 'pos': {}};
                this.value = {'start': {}, 'now': {}};
                this.bound = {
                        'start': this.start.bindWithEvent(this),
                        'check': this.check.bindWithEvent(this),
                        'drag': this.drag.bindWithEvent(this),
                        'stop': this.stop.bind(this)
                };
                this.attach();
                if (this.options.initialize) this.options.initialize.call(this);
        },

        attach: function(){
                this.handle.addEvent('mousedown', this.bound.start);
                return this;
        },

        detach: function(){
                this.handle.removeEvent('mousedown', this.bound.start);
                return this;
        },

        start: function(event){
                this.fireEvent('onBeforeStart', this.element);
                this.mouse.start = event.page;
                var limit = this.options.limit;
                this.limit = {'x': [], 'y': []};
                for (var z in this.options.modifiers){
                        if (!this.options.modifiers[z]) continue;
                        this.value.now[z] = this.element.getStyle(this.options.modifiers[z]).toInt();
                        this.mouse.pos[z] = event.page[z] - this.value.now[z];
                        if (limit && limit[z]){
                                for (var i = 0; i < 2; i++){
                                        if ($chk(limit[z][i])) this.limit[z][i] = ($type(limit[z][i]) == 'function') ? limit[z][i]() : limit[z][i];
                                }
                        }
                }
                if ($type(this.options.grid) == 'number') this.options.grid = {'x': this.options.grid, 'y': this.options.grid};
                document.addListener('mousemove', this.bound.check);
                document.addListener('mouseup', this.bound.stop);
                this.fireEvent('onStart', this.element);
                event.stop();
        },

        check: function(event){
                var distance = Math.round(Math.sqrt(Math.pow(event.page.x - this.mouse.start.x, 2) + Math.pow(event.page.y - this.mouse.start.y, 2)));
                if (distance > this.options.snap){
                        document.removeListener('mousemove', this.bound.check);
                        document.addListener('mousemove', this.bound.drag);
                        this.drag(event);
                        this.fireEvent('onSnap', this.element);
                }
                event.stop();
        },

        drag: function(event){
                this.out = false;
                this.mouse.now = event.page;
                for (var z in this.options.modifiers){
                        if (!this.options.modifiers[z]) continue;
                        this.value.now[z] = this.mouse.now[z] - this.mouse.pos[z];
                        if (this.limit[z]){
                                if ($chk(this.limit[z][1]) && (this.value.now[z] > this.limit[z][1])){
                                        this.value.now[z] = this.limit[z][1];
                                        this.out = true;
                                } else if ($chk(this.limit[z][0]) && (this.value.now[z] < this.limit[z][0])){
                                        this.value.now[z] = this.limit[z][0];
                                        this.out = true;
                                }
                        }
                        if (this.options.grid[z]) this.value.now[z] -= (this.value.now[z] % this.options.grid[z]);
                        this.element.setStyle(this.options.modifiers[z], this.value.now[z] + this.options.unit);
                }
                this.fireEvent('onDrag', this.element);
                event.stop();
        },

        stop: function(){
                document.removeListener('mousemove', this.bound.check);
                document.removeListener('mousemove', this.bound.drag);
                document.removeListener('mouseup', this.bound.stop);
                this.fireEvent('onComplete', this.element);
        }

});

Drag.Base.implement(new Events, new Options);

Element.extend({

        makeResizable: function(options){
                return new Drag.Base(this, $merge({modifiers: {x: 'width', y: 'height'}}, options));
        }

});

Drag.Move = Drag.Base.extend({

        options: {
                droppables: [],
                container: false,
                overflown: []
        },

        initialize: function(el, options){
                this.setOptions(options);
                this.element = $(el);
                this.droppables = $$(this.options.droppables);
                this.container = $(this.options.container);
                this.position = {'element': this.element.getStyle('position'), 'container': false};
                if (this.container) this.position.container = this.container.getStyle('position');
                if (!['relative', 'absolute', 'fixed'].contains(this.position.element)) this.position.element = 'absolute';
                var top = this.element.getStyle('top').toInt();
                var left = this.element.getStyle('left').toInt();
                if (this.position.element == 'absolute' && !['relative', 'absolute', 'fixed'].contains(this.position.container)){
                        top = $chk(top) ? top : this.element.getTop(this.options.overflown);
                        left = $chk(left) ? left : this.element.getLeft(this.options.overflown);
                } else {
                        top = $chk(top) ? top : 0;
                        left = $chk(left) ? left : 0;
                }
                this.element.setStyles({'top': top, 'left': left, 'position': this.position.element});
                this.parent(this.element);
        },

        start: function(event){
                this.overed = null;
                if (this.container){
                        var cont = this.container.getCoordinates();
                        var el = this.element.getCoordinates();
                        if (this.position.element == 'absolute' && !['relative', 'absolute', 'fixed'].contains(this.position.container)){
                                this.options.limit = {
                                        'x': [cont.left, cont.right - el.width],
                                        'y': [cont.top, cont.bottom - el.height]
                                };
                        } else {
                                this.options.limit = {
                                        'y': [0, cont.height - el.height],
                                        'x': [0, cont.width - el.width]
                                };
                        }
                }
                this.parent(event);
        },

        drag: function(event){
                this.parent(event);
                var overed = this.out ? false : this.droppables.filter(this.checkAgainst, this).getLast();
                if (this.overed != overed){
                        if (this.overed) this.overed.fireEvent('leave', [this.element, this]);
                        this.overed = overed ? overed.fireEvent('over', [this.element, this]) : null;
                }
                return this;
        },

        checkAgainst: function(el){
                el = el.getCoordinates(this.options.overflown);
                var now = this.mouse.now;
                return (now.x > el.left && now.x < el.right && now.y < el.bottom && now.y > el.top);
        },

        stop: function(){
                if (this.overed && !this.out) this.overed.fireEvent('drop', [this.element, this]);
                else this.element.fireEvent('emptydrop', this);
                this.parent();
                return this;
        }

});

Element.extend({

        makeDraggable: function(options){
                return new Drag.Move(this, options);
        }

});

var XHR = new Class({

        options: {
                method: 'post',
                async: true,
                onRequest: Class.empty,
                onSuccess: Class.empty,
                onFailure: Class.empty,
                urlEncoded: true,
                encoding: 'utf-8',
                autoCancel: false,
                headers: {}
        },

        setTransport: function(){
                this.transport = (window.XMLHttpRequest) ? new XMLHttpRequest() : (window.ie ? new ActiveXObject('Microsoft.XMLHTTP') : false);
                return this;
        },

        initialize: function(options){
                this.setTransport().setOptions(options);
                this.options.isSuccess = this.options.isSuccess || this.isSuccess;
                this.headers = {};
                if (this.options.urlEncoded && this.options.method == 'post'){
                        var encoding = (this.options.encoding) ? '; charset=' + this.options.encoding : '';
                        this.setHeader('Content-type', 'application/x-www-form-urlencoded' + encoding);
                }
                if (this.options.initialize) this.options.initialize.call(this);
        },

        onStateChange: function(){
                if (this.transport.readyState != 4 || !this.running) return;
                this.running = false;
                var status = 0;
                try {status = this.transport.status;} catch(e){};
                if (this.options.isSuccess.call(this, status)) this.onSuccess();
                else this.onFailure();
                this.transport.onreadystatechange = Class.empty;
        },

        isSuccess: function(status){
                return ((status >= 200) && (status < 300));
        },

        onSuccess: function(){
                this.response = {
                        'text': this.transport.responseText,
                        'xml': this.transport.responseXML
                };
                this.fireEvent('onSuccess', [this.response.text, this.response.xml]);
                this.callChain();
        },

        onFailure: function(){
                this.fireEvent('onFailure', this.transport);
        },

        setHeader: function(name, value){
                this.headers[name] = value;
                return this;
        },

        send: function(url, data){
                if (this.options.autoCancel) this.cancel();
                else if (this.running) return this;
                this.running = true;
                if (data && this.options.method == 'get'){
                        url = url + (url.contains('?') ? '&' : '?') + data;
                        data = null;
                }
                this.transport.open(this.options.method.toUpperCase(), url, this.options.async);
                this.transport.onreadystatechange = this.onStateChange.bind(this);
                if ((this.options.method == 'post') && this.transport.overrideMimeType) this.setHeader('Connection', 'close');
                $extend(this.headers, this.options.headers);
                for (var type in this.headers) try {this.transport.setRequestHeader(type, this.headers[type]);} catch(e){};
                this.fireEvent('onRequest');
                this.transport.send($pick(data, null));
                return this;
        },

        cancel: function(){
                if (!this.running) return this;
                this.running = false;
                this.transport.abort();
                this.transport.onreadystatechange = Class.empty;
                this.setTransport();
                this.fireEvent('onCancel');
                return this;
        }

});

XHR.implement(new Chain, new Events, new Options);

var Ajax = XHR.extend({

        options: {
                data: null,
                update: null,
                onComplete: Class.empty,
                evalScripts: false,
                evalResponse: false
        },

        initialize: function(url, options){
                this.addEvent('onSuccess', this.onComplete);
                this.setOptions(options);
                this.options.data = this.options.data || this.options.postBody;
                if (!['post', 'get'].contains(this.options.method)){
                        this._method = '_method=' + this.options.method;
                        this.options.method = 'post';
                }
                this.parent();
                this.setHeader('X-Requested-With', 'XMLHttpRequest');
                this.setHeader('Accept', 'text/javascript, text/html, application/xml, text/xml, */*');
                this.url = url;
        },

        onComplete: function(){
                if (this.options.update) $(this.options.update).empty().setHTML(this.response.text);
                if (this.options.evalScripts || this.options.evalResponse) this.evalScripts();
                this.fireEvent('onComplete', [this.response.text, this.response.xml], 20);
        },

        request: function(data){
                data = data || this.options.data;
                switch($type(data)){
                        case 'element': data = $(data).toQueryString(); break;
                        case 'object': data = Object.toQueryString(data);
                }
                if (this._method) data = (data) ? [this._method, data].join('&') : this._method;
                return this.send(this.url, data);
        },

        evalScripts: function(){
                var script, scripts;
                if (this.options.evalResponse || (/(ecma|java)script/).test(this.getHeader('Content-type'))) scripts = this.response.text;
                else {
                        scripts = [];
                        var regexp = /<script[^>]*>([\s\S]*?)<\/script>/gi;
                        while ((script = regexp.exec(this.response.text))) scripts.push(script[1]);
                        scripts = scripts.join('\n');
                }
                if (scripts) (window.execScript) ? window.execScript(scripts) : window.setTimeout(scripts, 0);
        },

        getHeader: function(name){
                try {return this.transport.getResponseHeader(name);} catch(e){};
                return null;
        }

});

Object.toQueryString = function(source){
        var queryString = [];
        for (var property in source) queryString.push(encodeURIComponent(property) + '=' + encodeURIComponent(source[property]));
        return queryString.join('&');
};

Element.extend({

        send: function(options){
                return new Ajax(this.getProperty('action'), $merge({data: this.toQueryString()}, options, {method: 'post'})).request();
        }

});

var Cookie = new Abstract({

        options: {
                domain: false,
                path: false,
                duration: false,
                secure: false
        },

        set: function(key, value, options){
                options = $merge(this.options, options);
                value = encodeURIComponent(value);
                if (options.domain) value += '; domain=' + options.domain;
                if (options.path) value += '; path=' + options.path;
                if (options.duration){
                        var date = new Date();
                        date.setTime(date.getTime() + options.duration * 24 * 60 * 60 * 1000);
                        value += '; expires=' + date.toGMTString();
                }
                if (options.secure) value += '; secure';
                document.cookie = key + '=' + value;
                return $extend(options, {'key': key, 'value': value});
        },

        get: function(key){
                var value = document.cookie.match('(?:^|;)\\s*' + key.escapeRegExp() + '=([^;]*)');
                return value ? decodeURIComponent(value[1]) : false;
        },

        remove: function(cookie, options){
                if ($type(cookie) == 'object') this.set(cookie.key, '', $merge(cookie, {duration: -1}));
                else this.set(cookie, '', $merge(options, {duration: -1}));
        }

});

var Json = {

        toString: function(obj){
                switch($type(obj)){
                        case 'string':
                                return '"' + obj.replace(/(["\\])/g, '\\$1') + '"';
                        case 'array':
                                return '[' + obj.map(Json.toString).join(',') + ']';
                        case 'object':
                                var string = [];
                                for (var property in obj) string.push(Json.toString(property) + ':' + Json.toString(obj[property]));
                                return '{' + string.join(',') + '}';
                        case 'number':
                                if (isFinite(obj)) break;
                        case false:
                                return 'null';
                }
                return String(obj);
        },

        evaluate: function(str, secure){
                return (($type(str) != 'string') || (secure && !str.test(/^("(\\.|[^"\\\n\r])*?"|[,:{}\[\]0-9.\-+Eaeflnr-u \n\r\t])+?$/))) ? null : eval('(' + str + ')');
        }

};

Json.Remote = XHR.extend({

        initialize: function(url, options){
                this.url = url;
                this.addEvent('onSuccess', this.onComplete);
                this.parent(options);
                this.setHeader('X-Request', 'JSON');
        },

        send: function(obj){
                return this.parent(this.url, 'json=' + Json.toString(obj));
        },

        onComplete: function(){
                this.fireEvent('onComplete', [Json.evaluate(this.response.text, this.options.secure)]);
        }

});

var Asset = new Abstract({

        javascript: function(source, properties){
                properties = $merge({
                        'onload': Class.empty
                }, properties);
                var script = new Element('script', {'src': source}).addEvents({
                        'load': properties.onload,
                        'readystatechange': function(){
                                if (this.readyState == 'complete') this.fireEvent('load');
                        }
                });
                delete properties.onload;
                return script.setProperties(properties).inject(document.head);
        },

        css: function(source, properties){
                return new Element('link', $merge({
                        'rel': 'stylesheet', 'media': 'screen', 'type': 'text/css', 'href': source
                }, properties)).inject(document.head);
        },

        image: function(source, properties){
                properties = $merge({
                        'onload': Class.empty,
                        'onabort': Class.empty,
                        'onerror': Class.empty
                }, properties);
                var image = new Image();
                image.src = source;
                var element = new Element('img', {'src': source});
                ['load', 'abort', 'error'].each(function(type){
                        var event = properties['on' + type];
                        delete properties['on' + type];
                        element.addEvent(type, function(){
                                this.removeEvent(type, arguments.callee);
                                event.call(this);
                        });
                });
                if (image.width && image.height) element.fireEvent('load', element, 1);
                return element.setProperties(properties);
        },

        images: function(sources, options){
                options = $merge({
                        onComplete: Class.empty,
                        onProgress: Class.empty
                }, options);
                if (!sources.push) sources = [sources];
                var images = [];
                var counter = 0;
                sources.each(function(source){
                        var img = new Asset.image(source, {
                                'onload': function(){
                                        options.onProgress.call(this, counter);
                                        counter++;
                                        if (counter == sources.length) options.onComplete();
                                }
                        });
                        images.push(img);
                });
                return new Elements(images);
        }

});

var Hash = new Class({

        length: 0,

        initialize: function(object){
                this.obj = object || {};
                this.setLength();
        },

        get: function(key){
                return (this.hasKey(key)) ? this.obj[key] : null;
        },

        hasKey: function(key){
                return (key in this.obj);
        },

        set: function(key, value){
                if (!this.hasKey(key)) this.length++;
                this.obj[key] = value;
                return this;
        },

        setLength: function(){
                this.length = 0;
                for (var p in this.obj) this.length++;
                return this;
        },

        remove: function(key){
                if (this.hasKey(key)){
                        delete this.obj[key];
                        this.length--;
                }
                return this;
        },

        each: function(fn, bind){
                $each(this.obj, fn, bind);
        },

        extend: function(obj){
                $extend(this.obj, obj);
                return this.setLength();
        },

        merge: function(){
                this.obj = $merge.apply(null, [this.obj].extend(arguments));
                return this.setLength();
        },

        empty: function(){
                this.obj = {};
                this.length = 0;
                return this;
        },

        keys: function(){
                var keys = [];
                for (var property in this.obj) keys.push(property);
                return keys;
        },

        values: function(){
                var values = [];
                for (var property in this.obj) values.push(this.obj[property]);
                return values;
        }

});

function $H(obj){
        return new Hash(obj);
};

Hash.Cookie = Hash.extend({

        initialize: function(name, options){
                this.name = name;
                this.options = $extend({'autoSave': true}, options || {});
                this.load();
        },

        save: function(){
                if (this.length == 0){
                        Cookie.remove(this.name, this.options);
                        return true;
                }
                var str = Json.toString(this.obj);
                if (str.length > 4096) return false;
                Cookie.set(this.name, str, this.options);
                return true;
        },

        load: function(){
                this.obj = Json.evaluate(Cookie.get(this.name), true) || {};
                this.setLength();
        }

});

Hash.Cookie.Methods = {};
['extend', 'set', 'merge', 'empty', 'remove'].each(function(method){
        Hash.Cookie.Methods[method] = function(){
                Hash.prototype[method].apply(this, arguments);
                if (this.options.autoSave) this.save();
                return this;
        };
});
Hash.Cookie.implement(Hash.Cookie.Methods);

var Color = new Class({

        initialize: function(color, type){
                type = type || (color.push ? 'rgb' : 'hex');
                var rgb, hsb;
                switch(type){
                        case 'rgb':
                                rgb = color;
                                hsb = rgb.rgbToHsb();
                                break;
                        case 'hsb':
                                rgb = color.hsbToRgb();
                                hsb = color;
                                break;
                        default:
                                rgb = color.hexToRgb(true);
                                hsb = rgb.rgbToHsb();
                }
                rgb.hsb = hsb;
                rgb.hex = rgb.rgbToHex();
                return $extend(rgb, Color.prototype);
        },

        mix: function(){
                var colors = $A(arguments);
                var alpha = ($type(colors[colors.length - 1]) == 'number') ? colors.pop() : 50;
                var rgb = this.copy();
                colors.each(function(color){
                        color = new Color(color);
                        for (var i = 0; i < 3; i++) rgb[i] = Math.round((rgb[i] / 100 * (100 - alpha)) + (color[i] / 100 * alpha));
                });
                return new Color(rgb, 'rgb');
        },

        invert: function(){
                return new Color(this.map(function(value){
                        return 255 - value;
                }));
        },

        setHue: function(value){
                return new Color([value, this.hsb[1], this.hsb[2]], 'hsb');
        },

        setSaturation: function(percent){
                return new Color([this.hsb[0], percent, this.hsb[2]], 'hsb');
        },

        setBrightness: function(percent){
                return new Color([this.hsb[0], this.hsb[1], percent], 'hsb');
        }

});

function $RGB(r, g, b){
        return new Color([r, g, b], 'rgb');
};

function $HSB(h, s, b){
        return new Color([h, s, b], 'hsb');
};

Array.extend({

        rgbToHsb: function(){
                var red = this[0], green = this[1], blue = this[2];
                var hue, saturation, brightness;
                var max = Math.max(red, green, blue), min = Math.min(red, green, blue);
                var delta = max - min;
                brightness = max / 255;
                saturation = (max != 0) ? delta / max : 0;
                if (saturation == 0){
                        hue = 0;
                } else {
                        var rr = (max - red) / delta;
                        var gr = (max - green) / delta;
                        var br = (max - blue) / delta;
                        if (red == max) hue = br - gr;
                        else if (green == max) hue = 2 + rr - br;
                        else hue = 4 + gr - rr;
                        hue /= 6;
                        if (hue < 0) hue++;
                }
                return [Math.round(hue * 360), Math.round(saturation * 100), Math.round(brightness * 100)];
        },

        hsbToRgb: function(){
                var br = Math.round(this[2] / 100 * 255);
                if (this[1] == 0){
                        return [br, br, br];
                } else {
                        var hue = this[0] % 360;
                        var f = hue % 60;
                        var p = Math.round((this[2] * (100 - this[1])) / 10000 * 255);
                        var q = Math.round((this[2] * (6000 - this[1] * f)) / 600000 * 255);
                        var t = Math.round((this[2] * (6000 - this[1] * (60 - f))) / 600000 * 255);
                        switch(Math.floor(hue / 60)){
                                case 0: return [br, t, p];
                                case 1: return [q, br, p];
                                case 2: return [p, br, t];
                                case 3: return [p, q, br];
                                case 4: return [t, p, br];
                                case 5: return [br, p, q];
                        }
                }
                return false;
        }

});

var Scroller = new Class({

        options: {
                area: 20,
                velocity: 1,
                onChange: function(x, y){
                        this.element.scrollTo(x, y);
                }
        },

        initialize: function(element, options){
                this.setOptions(options);
                this.element = $(element);
                this.mousemover = ([window, document].contains(element)) ? $(document.body) : this.element;
        },

        start: function(){
                this.coord = this.getCoords.bindWithEvent(this);
                this.mousemover.addListener('mousemove', this.coord);
        },

        stop: function(){
                this.mousemover.removeListener('mousemove', this.coord);
                this.timer = $clear(this.timer);
        },

        getCoords: function(event){
                this.page = (this.element == window) ? event.client : event.page;
                if (!this.timer) this.timer = this.scroll.periodical(50, this);
        },

        scroll: function(){
                var el = this.element.getSize();
                var pos = this.element.getPosition();

                var change = {'x': 0, 'y': 0};
                for (var z in this.page){
                        if (this.page[z] < (this.options.area + pos[z]) && el.scroll[z] != 0)
                                change[z] = (this.page[z] - this.options.area - pos[z]) * this.options.velocity;
                        else if (this.page[z] + this.options.area > (el.size[z] + pos[z]) && el.scroll[z] + el.size[z] != el.scrollSize[z])
                                change[z] = (this.page[z] - el.size[z] + this.options.area - pos[z]) * this.options.velocity;
                }
                if (change.y || change.x) this.fireEvent('onChange', [el.scroll.x + change.x, el.scroll.y + change.y]);
        }

});

Scroller.implement(new Events, new Options);

var Slider = new Class({

        options: {
                onChange: Class.empty,
                onComplete: Class.empty,
                onTick: function(pos){
                        this.knob.setStyle(this.p, pos);
                },
                mode: 'horizontal',
                steps: 100,
                offset: 0
        },

        initialize: function(el, knob, options){
                this.element = $(el);
                this.knob = $(knob);
                this.setOptions(options);
                this.previousChange = -1;
                this.previousEnd = -1;
                this.step = -1;
                this.element.addEvent('mousedown', this.clickedElement.bindWithEvent(this));
                var mod, offset;
                switch(this.options.mode){
                        case 'horizontal':
                                this.z = 'x';
                                this.p = 'left';
                                mod = {'x': 'left', 'y': false};
                                offset = 'offsetWidth';
                                break;
                        case 'vertical':
                                this.z = 'y';
                                this.p = 'top';
                                mod = {'x': false, 'y': 'top'};
                                offset = 'offsetHeight';
                }
                this.max = this.element[offset] - this.knob[offset] + (this.options.offset * 2);
                this.half = this.knob[offset]/2;
                this.getPos = this.element['get' + this.p.capitalize()].bind(this.element);
                this.knob.setStyle('position', 'relative').setStyle(this.p, - this.options.offset);
                var lim = {};
                lim[this.z] = [- this.options.offset, this.max - this.options.offset];
                this.drag = new Drag.Base(this.knob, {
                        limit: lim,
                        modifiers: mod,
                        snap: 0,
                        onStart: function(){
                                this.draggedKnob();
                        }.bind(this),
                        onDrag: function(){
                                this.draggedKnob();
                        }.bind(this),
                        onComplete: function(){
                                this.draggedKnob();
                                this.end();
                        }.bind(this)
                });
                if (this.options.initialize) this.options.initialize.call(this);
        },

        set: function(step){
                this.step = step.limit(0, this.options.steps);
                this.checkStep();
                this.end();
                this.fireEvent('onTick', this.toPosition(this.step));
                return this;
        },

        clickedElement: function(event){
                var position = event.page[this.z] - this.getPos() - this.half;
                position = position.limit(-this.options.offset, this.max -this.options.offset);
                this.step = this.toStep(position);
                this.checkStep();
                this.end();
                this.fireEvent('onTick', position);
        },

        draggedKnob: function(){
                this.step = this.toStep(this.drag.value.now[this.z]);
                this.checkStep();
        },

        checkStep: function(){
                if (this.previousChange != this.step){
                        this.previousChange = this.step;
                        this.fireEvent('onChange', this.step);
                }
        },

        end: function(){
                if (this.previousEnd !== this.step){
                        this.previousEnd = this.step;
                        this.fireEvent('onComplete', this.step + '');
                }
        },

        toStep: function(position){
                return Math.round((position + this.options.offset) / this.max * this.options.steps);
        },

        toPosition: function(step){
                return this.max * step / this.options.steps;
        }

});

Slider.implement(new Events);
Slider.implement(new Options);

var SmoothScroll = Fx.Scroll.extend({

        initialize: function(options){
                this.parent(window, options);
                this.links = (this.options.links) ? $$(this.options.links) : $$(document.links);
                var location = window.location.href.match(/^[^#]*/)[0] + '#';
                this.links.each(function(link){
                        if (link.href.indexOf(location) != 0) return;
                        var anchor = link.href.substr(location.length);
                        if (anchor && $(anchor)) this.useLink(link, anchor);
                }, this);
                if (!window.webkit419) this.addEvent('onComplete', function(){
                        window.location.hash = this.anchor;
                });
        },

        useLink: function(link, anchor){
                link.addEvent('click', function(event){
                        this.anchor = anchor;
                        this.toElement(anchor);
                        event.stop();
                }.bindWithEvent(this));
        }

});

var Sortables = new Class({

        options: {
                handles: false,
                onStart: Class.empty,
                onComplete: Class.empty,
                ghost: true,
                snap: 3,
                onDragStart: function(element, ghost){
                        ghost.setStyle('opacity', 0.7);
                        element.setStyle('opacity', 0.7);
                },
                onDragComplete: function(element, ghost){
                        element.setStyle('opacity', 1);
                        ghost.remove();
                        this.trash.remove();
                }
        },

        initialize: function(list, options){
                this.setOptions(options);
                this.list = $(list);
                this.elements = this.list.getChildren();
				this.handles = (this.options.handles) ? this.list.getElements(this.options.handles) : this.elements;
                this.bound = {
                        'start': [],
                        'moveGhost': this.moveGhost.bindWithEvent(this)
                };
                for (var i = 0, l = this.handles.length; i < l; i++){
                        this.bound.start[i] = this.start.bindWithEvent(this, this.elements[i]);
                }
                this.attach();
                if (this.options.initialize) this.options.initialize.call(this);
                this.bound.move = this.move.bindWithEvent(this);
                this.bound.end = this.end.bind(this);
        },

        attach: function(){
                this.handles.each(function(handle, i){
                        $(handle).addEvent('mousedown', this.bound.start[i]);
                }, this);
        },

        detach: function(){
                this.handles.each(function(handle, i){
                        handle.removeEvent('mousedown', this.bound.start[i]);
                }, this);
        },

        start: function(event, el){
                this.active = el;
                this.coordinates = this.list.getCoordinates();
                if (this.options.ghost){
                        var position = el.getPosition();
                        this.offset = event.page.y - position.y;
                        this.trash = new Element('div').inject(document.body);
                        this.ghost = el.clone().inject(this.trash).setStyles({
                                'position': 'absolute',
                                'left': position.x,
                                'top': event.page.y - this.offset
                        });
                        document.addListener('mousemove', this.bound.moveGhost);
                        this.fireEvent('onDragStart', [el, this.ghost]);
                }
                document.addListener('mousemove', this.bound.move);
                document.addListener('mouseup', this.bound.end);
                this.fireEvent('onStart', el);
                event.stop();
        },

        moveGhost: function(event){
                var value = event.page.y - this.offset;
                value = value.limit(this.coordinates.top, this.coordinates.bottom - this.ghost.offsetHeight);
                this.ghost.setStyle('top', value);
                event.stop();
        },

        move: function(event){
                var now = event.page.y;
                this.previous = this.previous || now;
                var up = ((this.previous - now) > 0);
                var prev = this.active.getPrevious();
                var next = this.active.getNext();
                if (prev && up && now < prev.getCoordinates().bottom) this.active.injectBefore(prev);
                if (next && !up && now > next.getCoordinates().top) this.active.injectAfter(next);
                this.previous = now;
        },

        serialize: function(converter){
                return this.list.getChildren().map(converter || function(el){
                        return this.elements.indexOf(el);
                }, this);
        },

        end: function(){
                this.previous = null;
                document.removeListener('mousemove', this.bound.move);
                document.removeListener('mouseup', this.bound.end);
                if (this.options.ghost){
                        document.removeListener('mousemove', this.bound.moveGhost);
                        this.fireEvent('onDragComplete', [this.active, this.ghost]);
                }
                this.fireEvent('onComplete', this.active);
        }

});

Sortables.implement(new Events, new Options);

var Tips = new Class({

        options: {
                onShow: function(tip){
                        tip.setStyle('visibility', 'visible');
                },
                onHide: function(tip){
                        tip.setStyle('visibility', 'hidden');
                },
                maxTitleChars: 30,
                showDelay: 100,
                hideDelay: 100,
                className: 'tool',
                offsets: {'x': 16, 'y': 16},
                fixed: false
        },

        initialize: function(elements, options){
                this.setOptions(options);
                this.toolTip = new Element('div', {
                        'class': this.options.className + '-tip',
                        'styles': {
                                'position': 'absolute',
                                'top': '0',
                                'left': '0',
                                'visibility': 'hidden'
                        }
                }).inject(document.body);
                this.wrapper = new Element('div').inject(this.toolTip);
                $$(elements).each(this.build, this);
                if (this.options.initialize) this.options.initialize.call(this);
        },

        build: function(el){
                el.$tmp.myTitle = (el.href && el.getTag() == 'a') ? el.href.replace('http://', '') : (el.rel || false);
                if (el.title){
                        var dual = el.title.split('::');
                        if (dual.length > 1){
                                el.$tmp.myTitle = dual[0].trim();
                                el.$tmp.myText = dual[1].trim();
                        } else {
                                el.$tmp.myText = el.title;
                        }
                        el.removeAttribute('title');
                } else {
                        el.$tmp.myText = false;
                }
                if (el.$tmp.myTitle && el.$tmp.myTitle.length > this.options.maxTitleChars) el.$tmp.myTitle = el.$tmp.myTitle.substr(0, this.options.maxTitleChars - 1) + "&hellip;";
                el.addEvent('mouseenter', function(event){
                        this.start(el);
                        if (!this.options.fixed) this.locate(event);
                        else this.position(el);
                }.bind(this));
                if (!this.options.fixed) el.addEvent('mousemove', this.locate.bindWithEvent(this));
                var end = this.end.bind(this);
                el.addEvent('mouseleave', end);
                el.addEvent('trash', end);
        },

        start: function(el){
                this.wrapper.empty();
                if (el.$tmp.myTitle){
                        this.title = new Element('span').inject(new Element('div', {'class': this.options.className + '-title'}).inject(this.wrapper)).setHTML(el.$tmp.myTitle);
                }
                if (el.$tmp.myText){
                        this.text = new Element('span').inject(new Element('div', {'class': this.options.className + '-text'}).inject(this.wrapper)).setHTML(el.$tmp.myText);
                }
                $clear(this.timer);
                this.timer = this.show.delay(this.options.showDelay, this);
        },

        end: function(event){
                $clear(this.timer);
                this.timer = this.hide.delay(this.options.hideDelay, this);
        },

        position: function(element){
                var pos = element.getPosition();
                this.toolTip.setStyles({
                        'left': pos.x + this.options.offsets.x,
                        'top': pos.y + this.options.offsets.y
                });
        },

        locate: function(event){
                var win = {'x': window.getWidth(), 'y': window.getHeight()};
                var scroll = {'x': window.getScrollLeft(), 'y': window.getScrollTop()};
                var tip = {'x': this.toolTip.offsetWidth, 'y': this.toolTip.offsetHeight};
                var prop = {'x': 'left', 'y': 'top'};
                for (var z in prop){
                        var pos = event.page[z] + this.options.offsets[z];
                        if ((pos + tip[z] - scroll[z]) > win[z]) pos = event.page[z] - this.options.offsets[z] - tip[z];
                        this.toolTip.setStyle(prop[z], pos);
                };
        },

        show: function(){
                if (this.options.timeout) this.timer = this.hide.delay(this.options.timeout, this);
                this.fireEvent('onShow', [this.toolTip]);
        },

        hide: function(){
                this.fireEvent('onHide', [this.toolTip]);
        }

});

Tips.implement(new Events, new Options);

var Group = new Class({

        initialize: function(){
                this.instances = $A(arguments);
                this.events = {};
                this.checker = {};
        },

        addEvent: function(type, fn){
                this.checker[type] = this.checker[type] || {};
                this.events[type] = this.events[type] || [];
                if (this.events[type].contains(fn)) return false;
                else this.events[type].push(fn);
                this.instances.each(function(instance, i){
                        instance.addEvent(type, this.check.bind(this, [type, instance, i]));
                }, this);
                return this;
        },

        check: function(type, instance, i){
                this.checker[type][i] = true;
                var every = this.instances.every(function(current, j){
                        return this.checker[type][j] || false;
                }, this);
                if (!every) return;
                this.checker[type] = {};
                this.events[type].each(function(event){
                        event.call(this, this.instances, instance);
                }, this);
        }

});

var Accordion = Fx.Elements.extend({

        options: {
                onActive: Class.empty,
                onBackground: Class.empty,
                display: 0,
                show: false,
                height: true,
                width: false,
                opacity: true,
                fixedHeight: false,
                fixedWidth: false,
                wait: false,
                alwaysHide: false
        },

        initialize: function(){
                var options, togglers, elements, container;
                $each(arguments, function(argument, i){
                        switch($type(argument)){
                                case 'object': options = argument; break;
                                case 'element': container = $(argument); break;
                                default:
                                        var temp = $$(argument);
                                        if (!togglers) togglers = temp;
                                        else elements = temp;
                        }
                });
                this.togglers = togglers || [];
                this.elements = elements || [];
                this.container = $(container);
                this.setOptions(options);
                this.previous = -1;
                if (this.options.alwaysHide) this.options.wait = true;
                if ($chk(this.options.show)){
                        this.options.display = false;
                        this.previous = this.options.show;
                }
                if (this.options.start){
                        this.options.display = false;
                        this.options.show = false;
                }
                this.effects = {};
                if (this.options.opacity) this.effects.opacity = 'fullOpacity';
                if (this.options.width) this.effects.width = this.options.fixedWidth ? 'fullWidth' : 'offsetWidth';
                if (this.options.height) this.effects.height = this.options.fixedHeight ? 'fullHeight' : 'scrollHeight';
                for (var i = 0, l = this.togglers.length; i < l; i++) this.addSection(this.togglers[i], this.elements[i]);
                this.elements.each(function(el, i){
                        if (this.options.show === i){
                                this.fireEvent('onActive', [this.togglers[i], el]);
                        } else {
                                for (var fx in this.effects) el.setStyle(fx, 0);
                        }
                }, this);
                this.parent(this.elements);
                if ($chk(this.options.display)) this.display(this.options.display);
        },

        addSection: function(toggler, element, pos){
                toggler = $(toggler);
                element = $(element);
                var test = this.togglers.contains(toggler);
                var len = this.togglers.length;
                this.togglers.include(toggler);
                this.elements.include(element);
                if (len && (!test || pos)){
                        pos = $pick(pos, len - 1);
                        toggler.injectBefore(this.togglers[pos]);
                        element.injectAfter(toggler);
                } else if (this.container && !test){
                        toggler.inject(this.container);
                        element.inject(this.container);
                }
                var idx = this.togglers.indexOf(toggler);
                toggler.addEvent('click', this.display.bind(this, idx));
                if (this.options.height) element.setStyles({'padding-top': 0, 'border-top': 'none', 'padding-bottom': 0, 'border-bottom': 'none'});
                if (this.options.width) element.setStyles({'padding-left': 0, 'border-left': 'none', 'padding-right': 0, 'border-right': 'none'});
                element.fullOpacity = 1;
                if (this.options.fixedWidth) element.fullWidth = this.options.fixedWidth;
                if (this.options.fixedHeight) element.fullHeight = this.options.fixedHeight;
                element.setStyle('overflow', 'hidden');
                if (!test){
                        for (var fx in this.effects) element.setStyle(fx, 0);
                }
                return this;
        },

        display: function(index){
                index = ($type(index) == 'element') ? this.elements.indexOf(index) : index;
                if ((this.timer && this.options.wait) || (index === this.previous && !this.options.alwaysHide)) return this;
                this.previous = index;
                var obj = {};
                this.elements.each(function(el, i){
                        obj[i] = {};
                        var hide = (i != index) || (this.options.alwaysHide && (el.offsetHeight > 0));
                        this.fireEvent(hide ? 'onBackground' : 'onActive', [this.togglers[i], el]);
                        for (var fx in this.effects) obj[i][fx] = hide ? 0 : el[this.effects[fx]];
                }, this);
                return this.start(obj);
        },

        showThisHideOpen: function(index){return this.display(index);}

});

Fx.Accordion = Accordion;