var slideGallery=new Class({Version:"1.3",Implements:[Options,Events],options:{holder:".holder",elementsParent:"ul",elements:"li",nextItem:".next",prevItem:".prev",stop:".stop",start:".start",speed:600,duration:4000,steps:1,current:0,transition:"sine:in:out",direction:"horizontal",mode:"callback",currentClass:"current",nextDisableClass:"next-disable",prevDisableClass:"prev-disable",paging:false,pagingEvent:"click",pagingHolder:".paging",random:false,autoplay:false,autoplayOpposite:false,stopOnHover:true},initialize:function(gallery,options){if(gallery.length==null)this.gallery=gallery;else this.gallery=gallery[0];if(!this.gallery)return false;this.setOptions(options);this.holder=this.gallery.getElement(this.options.holder);this.itemsParent=this.holder.getElement(this.options.elementsParent);this.items=this.itemsParent.getElements(this.options.elements);this.next=(this.options.nextItem);this.prev=(this.options.prevItem);this.stop=this.gallery.getElement(this.options.stop);this.start=this.gallery.getElement(this.options.start);this.current=this.options.current;this.bound={rotate:this.rotate.bind(this)}
Fx.implement({cancel:function(){if(!this.callChain())this.fireEvent('chainComplete',this.subject);if(this.stopTimer())this.onCancel();return this;}});if(this.options.direction=="horizontal"){this.direction="margin-left";this.size=this.items[0].getWidth();this.visible=Math.round(this.holder.getWidth()/this.size);}
else{this.direction="margin-top";this.size=this.items[0].getHeight();this.visible=Math.round(this.holder.getHeight()/this.size);}
if(this.items.length<=this.visible){if(this.next)this.next.addClass(this.options.nextDisableClass).addEvent("click",function(){return false;});if(this.prev)this.prev.addClass(this.options.prevDisableClass).addEvent("click",function(){return false;});if(this.stop)this.stop.addEvent("click",function(){return false;});if(this.start)this.start.addEvent("click",function(){return false;});this.gallery.addClass("stopped no-active");this.fireEvent("start",this.current,this.visible,this.items.length,this.items[this.current]);return false;}
this.options.steps=this.options.steps>this.visible?this.visible:this.options.steps;this.options.duration=this.options.duration<1000?1000:this.options.duration;this.options.speed=this.options.speed>6000?6000:this.options.speed;if(this.options.speed>this.options.duration)this.options.speed=this.options.duration;this.fx=new Fx.Tween(this.itemsParent,{property:this.direction,duration:this.options.speed,transition:this.options.transition,link:"cancel",fps:100});if(this.options.random)this.shuffle();this.getInitialCurrent();if(this.options.mode=="circle"){while(this.items.length<this.options.steps+this.visible){this.itemsParent.innerHTML+=this.itemsParent.innerHTML;this.items=this.itemsParent.getElements(this.options.elements);}
for(var i=0;i<this.current;i++){this.items[i].inject(this.itemsParent,"bottom");}
this.options.paging=false;}
else{if(this.options.paging)this.createPaging();this.play(false);}
if(this.next){this.next.addEvent("click",function(){this.nextSlide();return false;}.bind(this));}
if(this.prev){this.prev.addEvent("click",function(){this.prevSlide();return false;}.bind(this));}
if(this.options.autoplay||this.options.autoplayOpposite)this.timer=this.bound.rotate.delay(this.options.duration);else this.gallery.addClass("stopped");if(this.start){this.start.addEvent("click",function(){clearTimeout(this.timer);this.gallery.removeClass("stopped");this.timer=this.bound.rotate.delay(this.options.duration);return false;}.bind(this));}
if(this.stop){this.stop.addEvent("click",function(){this.gallery.addClass("stopped");clearTimeout(this.timer);return false;}.bind(this));}
if(this.options.stopOnHover){this.gallery.addEvent("mouseenter",function(){clearTimeout(this.timer);}.bind(this));this.gallery.addEvent("mouseleave",function(){if(!this.gallery.hasClass("stopped")){clearTimeout(this.timer);this.timer=this.bound.rotate.delay(this.options.duration);}}.bind(this));}
this.fireEvent("start",this.current,this.visible,this.items.length,this.items[this.current]);},getInitialCurrent:function(){var tempCurrent=this.items.get("class").indexOf(this.options.currentClass);if(tempCurrent!=-1)this.current=tempCurrent;else{if(this.current>this.items.length-1)this.current=this.items.length-1;else if(this.current<0)this.current=0;}
if(this.options.mode!="circle"&&this.visible+this.current>=this.items.length)this.current=this.items.length-this.visible;return this;},rotate:function(){if(!this.options.autoplayOpposite)this.nextSlide();else this.prevSlide();this.timer=this.bound.rotate.delay(this.options.duration);return this;},play:function(animate){if(this.options.mode=="line")this.sidesChecking();if(animate)this.fx.start(-this.current*this.size);else this.fx.set(-this.current*this.size);if(this.options.paging)this.setActivePage();this.fireEvent("play",this.current,this.visible,this.items.length,this.items[this.current]);return this;},nextSlide:function(){if(this.options.mode!="circle"){if(this.visible+this.current>=this.items.length){if(this.options.mode=="callback")this.current=0;}
else if(this.visible+this.current+this.options.steps>=this.items.length){this.current=this.items.length-this.visible;}
else this.current+=this.options.steps;this.play(true);}
else{var temp=this.current;if((this.current+=this.options.steps)>=this.items.length)this.current-=this.items.length;this.fx.start(-this.size*this.options.steps).chain(function(){for(var i=0;i<this.options.steps;i++){if(temp>=this.items.length)temp=0;this.items[temp++].inject(this.itemsParent,"bottom");}
this.fx.set(0);}.bind(this));this.fireEvent("play",this.current,this.visible,this.items.length,this.items[this.current]);}
return this;},prevSlide:function(){if(this.options.mode!="circle"){if(this.current<=0){if(this.options.mode=="callback")this.current=this.items.length-this.visible;}
else if(this.current-this.options.steps<=0){this.current=0;}
else this.current-=this.options.steps;this.play(true);}
else{for(var i=0;i<this.options.steps;i++){if(this.current-1<0)this.current=this.items.length;this.items[--this.current].inject(this.itemsParent,"top");}
this.fx.set(-this.size*this.options.steps).start(0);this.fireEvent("play",this.current,this.visible,this.items.length,this.items[this.current]);}
return this;},sidesChecking:function(){this.next.removeClass(this.options.nextDisableClass);this.prev.removeClass(this.options.prevDisableClass);if(this.visible+this.current>=this.items.length)this.next.addClass(this.options.nextDisableClass)
else if(this.current==0)this.prev.addClass(this.options.prevDisableClass);return this;},createPaging:function(){this.paging=new Element("ul");var pagingHold=this.gallery.getElement(this.options.pagingHolder);if(pagingHold!=null)this.paging.injectInside(pagingHold);else this.paging.injectInside(this.gallery).addClass("paging");var length=Math.ceil((this.items.length-this.visible)/this.options.steps)+1;var str="";for(var i=0;i<length;i++){str+='<li><a href="#">'+parseInt(i+1)+'</a></li>';}
this.paging=this.paging.set("html",str).getElements("a");this.paging.each(function(el,i){el.addEvent(this.options.pagingEvent,function(){if(i<length-1)this.current=i*this.options.steps;else this.current=this.items.length-this.visible;this.play(true);return false;}.bind(this));}.bind(this));return this;},setActivePage:function(){this.paging.removeClass("active")[Math.ceil(this.current/this.options.steps)].addClass("active");return this;},shuffle:function(){var str="";this.items.sort(function(){return 0.5-Math.random()}).each(function(el){str+=new Element("div").adopt(el).get("html");});this.items=this.itemsParent.set("html",str).getElements(this.options.elements);return this;}});var fadeGallery=new Class({Extends:slideGallery,initialize:function(gallery,options){if(options.mode=="circle")options.mode="callback";this.parent(gallery,options);this.fxFade=[];this.items.each(function(el,i){this.fxFade[i]=new Fx.Tween(el,{property:"opacity",duration:this.options.speed,transition:this.options.transition,link:"cancel"});this.fxFade[i].set(0);}.bind(this));this.play(false);},play:function(animate){if(this.previous==null){this.previous=0;return false;}
if(this.options.mode=="line")this.sidesChecking();if(animate){this.fxFade[this.previous].start(0);this.fxFade[this.current].start(1);}
else{this.fxFade[this.previous].set(0);this.fxFade[this.current].set(1);}
this.previous=this.current;if(this.options.paging)this.setActivePage();this.fireEvent("play",this.current,this.visible,this.items.length,this.items[this.current]);}});