if (typeof Prototype == "undefined" || !Prototype.Version.match("1.6")) {
        throw "Prototype-UI library require Prototype library >= 1.6.0";
    }
    if (Prototype.Browser.WebKit) {
        Prototype.Browser.WebKitVersion = parseFloat(navigator.userAgent.match(/AppleWebKit\/([\d\.\+]*)/)[1]);
        Prototype.Browser.Safari2 = Prototype.Browser.WebKitVersion < 420;
    }
    if (Prototype.Browser.IE) {
        Prototype.Browser.IEVersion = parseFloat(navigator.appVersion.split(";")[1].strip().split(" ")[1]);
        Prototype.Browser.IE6 = Prototype.Browser.IEVersion == 6;
        Prototype.Browser.IE7 = Prototype.Browser.IEVersion == 7;
    }
    Prototype.falseFunction = function () {return false;};
    Prototype.trueFunction = function () {return true;};
    var UI = {Abstract: {}, Ajax: {}};
    Object.extend(Class.Methods, {extend: Object.extend.methodize(), addMethods: Class.Methods.addMethods.wrap(function (a, b) {if (!b) {return this;}if (!b.hasOwnProperty("methodsAdded")) {return a(b);}var c = b.methodsAdded;delete b.methodsAdded;a(b);c.call(b, this);b.methodsAdded = c;return this;}), addMethod: function (a, b) {var c = {};c[a] = b;return this.addMethods(c);}, method: function (a) {return this.prototype[a].valueOf();}, classMethod: function () {$A(arguments).flatten().each(function (a) {this[a] = function () {return this[a].apply(this, arguments);}.bind(this.prototype);}, this);return this;}, undefMethod: function (a) {this.prototype[a] = undefined;return this;}, removeMethod: function (a) {delete this.prototype[a];return this;}, aliasMethod: function (a, b) {this.prototype[a] = this.prototype[b];return this;}, aliasMethodChain: function (a, b) {b = b.camelcase();this.aliasMethod(a + "Without" + b, a);this.aliasMethod(a, a + "With" + b);return this;}});
    Object.extend(Number.prototype, {snap: function (a) {return parseInt(a == 1 ? this : (this / a).floor() * a);}});
    Object.extend(String.prototype, {camelcase: function () {var a = this.dasherize().camelize();return a.charAt(0).toUpperCase() + a.slice(1);}, makeElement: function () {var a = new Element("div");a.innerHTML = this;return a.down();}});
    Object.extend(Array.prototype, {empty: function () {return !this.length;}, extractOptions: function () {return this.last().constructor === Object ? this.pop() : {};}, removeAt: function (a) {var b = this[a];this.splice(a, 1);return b;}, remove: function (a) {var b;while ((b = this.indexOf(a)) != -1) {this.removeAt(b);}return a;}, insert: function (a) {var b = $A(arguments);b.shift();this.splice.apply(this, [a, 0].concat(b));return this;}});
    Element.addMethods({getScrollDimensions: function (a) {return {width: a.scrollWidth, height: a.scrollHeight};}, getScrollOffset: function (a) {return Element._returnOffset(a.scrollLeft, a.scrollTop);}, setScrollOffset: function (a, b) {a = $(a);if (arguments.length == 3) {b = {left: b, top: arguments[2]};}a.scrollLeft = b.left;a.scrollTop = b.top;return a;}, getNumStyle: function (a, b) {var c = parseFloat($(a).getStyle(b));return isNaN(c) ? null : c;}, appendText: function (a, b) {a = $(a);b = String.interpret(b);a.appendChild(document.createTextNode(b));return a;}});
    document.whenReady = function (a) {if (document.loaded) {a.call(document);} else {document.observe("dom:loaded", a);}};
    Object.extend(document.viewport, {getScrollOffset: document.viewport.getScrollOffsets, setScrollOffset: function (a) {Element.setScrollOffset(Prototype.Browser.WebKit ? document.body : document.documentElement, a);}, getScrollDimensions: function () {return Element.getScrollDimensions(Prototype.Browser.WebKit ? document.body : document.documentElement);}});
    (function () {UI.Options = {methodsAdded: function (a) {a.classMethod($w(" setOptions allOptions optionsGetter optionsSetter optionsAccessor "));}, setOptions: function (a) {if (!this.hasOwnProperty("options")) {this.options = this.allOptions();}this.options = Object.extend(this.options, a || {});}, allOptions: function () {var a = this.constructor.superclass, ancestor = a && a.prototype;return (ancestor && ancestor.allOptions) ? Object.extend(ancestor.allOptions(), this.options) : Object.clone(this.options);}, optionsGetter: function () {addOptionsAccessors(this, arguments, false);}, optionsSetter: function () {addOptionsAccessors(this, arguments, true);}, optionsAccessor: function () {this.optionsGetter.apply(this, arguments);this.optionsSetter.apply(this, arguments);}};
function addOptionsAccessors(d, e, f) {e = $A(e).flatten();if (e.empty()) {e = Object.keys(d.allOptions());}e.each(function (b) {var c = (f ? "set" : "get") + b.camelcase();d[c] = d[c] || (f ? function (a) {return this.options[b] = a;} : function () {return this.options[b];});});}

}());
var rmRestart = 0;
    UI.Carousel = Class.create(UI.Options, {options: {direction: "horizontal", previousButton: ".previous_button", nextButton: ".next_button", container: ".container", scrollInc: "auto", disabledButtonSuffix: "_disabled", overButtonSuffix: "_over"}, initialize: function (c, d) {this.setOptions(d);this.element = $(c);this.id = this.element.id;this.container = this.element.down(this.options.container).firstDescendant();this.elements = this.container.childElements();this.previousButton = this.options.previousButton == false ? null : this.element.down(this.options.previousButton);this.nextButton = this.options.nextButton == false ? null : this.element.down(this.options.nextButton);this.posAttribute = this.options.direction == "horizontal" ? "left" : "top";this.dimAttribute = this.options.direction == "horizontal" ? "width" : "height";this.elementSize = this.computeElementSize();this.nbVisible = this.currentSize() / this.elementSize;var e = this.options.scrollInc;if (e == "auto") {e = Math.floor(this.nbVisible);}[this.previousButton, this.nextButton].each(function (a) {if (!a) {return;}var b = (a == this.nextButton ? "next_button" : "previous_button") + this.options.overButtonSuffix;a.clickHandler = this.scroll.bind(this, (a == this.nextButton ? -1 : 1) * e * this.elementSize);a.observe("click", a.clickHandler).observe("mouseover", function () {a.addClassName(b);}.bind(this)).observe("mouseout", function () {a.removeClassName(b);}.bind(this));}, this);this.updateButtons();}, destroy: function ($super) {[this.previousButton, this.nextButton].each(function (a) {if (!a) {return;}a.stopObserving("click", a.clickHandler);}, this);this.element.remove();this.fire("destroyed");}, fire: function (a, b) {b = b || {};b.carousel = this;return this.element.fire("carousel:" + a, b);}, observe: function (a, b) {this.element.observe("carousel:" + a, b.bind(this));return this;}, stopObserving: function (a, b) {this.element.stopObserving("carousel:" + a, b);return this;}, checkScroll: function (a, b) {if (a > 0) {a = 0;} else {var c = this.elements.last().positionedOffset()[this.posAttribute] + this.elementSize;var d = this.currentSize();if (a + c < d) {a += d - (a + c);}a = Math.min(a, 0);}if (b) {this.container.style[this.posAttribute] = a + "px";}return a;}, scroll: function (a) {if (this.animating) {return this;}var b = this.currentPosition() + a;b = this.checkScroll(b, false);a = b - this.currentPosition();if (a != 0) {this.animating = true;this.fire("scroll:started");var c = this;this.container.morph("opacity:1", {duration: 0.2, afterFinish: function () {c.container.morph(c.posAttribute + ": " + b + "px", {duration: 0.4, delay: 0.2, afterFinish: function () {c.container.morph("opacity:1", {duration: 0.2, afterFinish: function () {c.animating = false;c.updateButtons().fire("scroll:ended", {shift: a / c.currentSize()});}});}});}});} else {this.updateButtons();}return this;}, scrollTo: function (a) {if (this.animating || a < 0 || a > this.elements.length || a == this.currentIndex() || isNaN(parseInt(a))) {return this;}return this.scroll((this.currentIndex() - a) * this.elementSize);}, updateButtons: function () {this.updatePreviousButton();this.updateNextButton();return this;}, updatePreviousButton: function () {var a = this.currentPosition();var b = "previous_button" + this.options.disabledButtonSuffix;if (this.previousButton.hasClassName(b) && a != 0) {this.previousButton.removeClassName(b);this.fire("previousButton:enabled");}if (!this.previousButton.hasClassName(b) && a == 0) {this.previousButton.addClassName(b);this.fire("previousButton:disabled");}}, 
    	updateNextButton: function () {
    		var a = this.currentLastPosition();
    		var b = this.currentSize();
    		var c = "next_button" + this.options.disabledButtonSuffix;
    		if (this.nextButton.hasClassName(c) && a != b) {
    			this.nextButton.removeClassName(c);
    			this.fire("nextButton:enabled");
    		}
    		if(rmRestart==1) {
    			this.scrollTo(0);
    			rmRestart=0;
    		}
    		if (!this.nextButton.hasClassName(c) && a == b) {
    			//alert(a+":"+b);
    			//this.nextButton.addClassName(c);
    			//this.fire("nextButton:disabled");
    			rmRestart = 1;
    		}
    		
    	}, computeElementSize: function () {return this.elements.first().getDimensions()[this.dimAttribute];}, currentIndex: function () {return - this.currentPosition() / this.elementSize;}, currentLastPosition: function () {if (this.container.childElements().empty()) {return 0;}return this.currentPosition() + this.elements.last().positionedOffset()[this.posAttribute] + this.elementSize;}, currentPosition: function () {return this.container.getNumStyle(this.posAttribute);}, currentSize: function () {return this.container.parentNode.getDimensions()[this.dimAttribute];}, updateSize: function () {this.nbVisible = this.currentSize() / this.elementSize;var b = this.options.scrollInc;if (b == "auto") {b = Math.floor(this.nbVisible);}[this.previousButton, this.nextButton].each(function (a) {if (!a) {return;}a.stopObserving("click", a.clickHandler);a.clickHandler = this.scroll.bind(this, (a == this.nextButton ? -1 : 1) * b * this.elementSize);a.observe("click", a.clickHandler);}, this);this.checkScroll(this.currentPosition(), true);this.updateButtons().fire("sizeUpdated");return this;}});
    UI.Ajax.Carousel = Class.create(UI.Carousel, {options: {elementSize: -1, url: null}, initialize: function ($super, d, e) {if (!e.url) {throw "url option is required for UI.Ajax.Carousel";}if (!e.elementSize) {throw "elementSize option is required for UI.Ajax.Carousel";}$super(d, e);this.endIndex = 0;this.hasMore = true;this.updateHandler = this.update.bind(this);this.updateAndScrollHandler = function (a, b, c) {this.update(b, c);this.scroll(a);}.bind(this);this.runRequest.bind(this).defer({parameters: {from: 0, to: Math.ceil(this.nbVisible) - 1}, onSuccess: this.updateHandler});}, runRequest: function (a) {this.requestRunning = true;new (Ajax.Request)(this.options.url, Object.extend({method: "GET"}, a));this.fire("request:started");return this;}, scroll: function ($super, a) {if (this.animating || this.requestRunning) {return this;}var b = (- a) / this.elementSize;if (this.hasMore && b > 0 && this.currentIndex() + this.nbVisible + b - 1 > this.endIndex) {var c = this.endIndex + 1;var d = Math.ceil(c + this.nbVisible - 1);this.runRequest({parameters: {from: c, to: d}, onSuccess: this.updateAndScrollHandler.curry(a).bind(this)});return this;} else {$super(a);}}, update: function (a, b) {this.requestRunning = false;this.fire("request:ended");if (!b) {b = a.responseJSON;}this.hasMore = b.more;this.endIndex = Math.max(this.endIndex, b.to);this.elements = this.container.insert({bottom: b.html}).childElements();return this.updateButtons();}, computeElementSize: function () {return this.options.elementSize;}, updateSize: function ($super) {var a = this.nbVisible;$super();if (Math.floor(this.nbVisible) - Math.floor(a) >= 1 && this.hasMore) {if (this.currentIndex() + Math.floor(this.nbVisible) >= this.endIndex) {var b = Math.floor(this.currentIndex() + Math.floor(this.nbVisible) - this.endIndex);this.runRequest({parameters: {from: this.endIndex + 1, to: this.endIndex + b}, onSuccess: this.updateHandler});}}return this;}, updateNextButton: function ($super) {var a = this.currentLastPosition();var b = this.currentSize();var c = "next_button" + this.options.disabledButtonSuffix;if (this.nextButton.hasClassName(c) && a != b) {this.nextButton.removeClassName(c);this.fire("nextButton:enabled");}if (!this.nextButton.hasClassName(c) && a == b && !this.hasMore) {this.nextButton.addClassName(c);this.fire("nextButton:disabled");}}});