var iCarousel=new Class({options:{animation:{type:"fadeNscroll",direction:"left",amount:1,transition:Fx.Transitions.Cubic.easeInOut,duration:500,rotate:{type:"manual",interval:5000,onMouseOver:"stop"}},item:{klass:"item",size:100},idPrevious:"previous",idNext:"next",idToggle:"toggle",onClickPrevious:Class.empty,onClickNext:Class.empty,onPrevious:Class.empty,onNext:Class.empty,onGoTo:Class.empty},initialize:function(a,b){this.setOptions(b);
this.container=$(a);this.aItems=$A($$("."+this.options.item.klass));this.isMouseOver=false;if(this.options.idPrevious!="undefined"&&$(this.options.idPrevious)){$(this.options.idPrevious).addEvent("click",function(d){new Event(d).stop();this._previous();this.fireEvent("onClickPrevious",this,20);}.bind(this));
}if(this.options.idNext!="undefined"&&$(this.options.idNext)){$(this.options.idNext).addEvent("click",function(d){new Event(d).stop();this._next();this.fireEvent("onClickNext",this,20);}.bind(this));}if(this.options.idToggle!="undefined"&&$(this.options.idToggle)){$(this.options.idToggle).addEvent("click",function(d){new Event(d).stop();
this._toggle();}.bind(this));}var c=this.options.animation;switch(this.options.animation.type.toLowerCase()){case"fade":this.aItems.each(function(d){d.fx=d.effect("opacity",{duration:c.duration,transition:c.transition});d.setStyle("opacity",0);d.addEvents({"mouseenter":function(){this.isMouseOver=true;
if(this.options.animation.rotate.type=="auto"){this.timer=$clear(this.timer);}}.bind(this),"mouseleave":function(){this.isMouseOver=false;if(this.options.animation.rotate.type=="auto"){this.timer=this._autoRotate.periodical(this.options.animation.rotate.interval,this);}}.bind(this)});}.bind(this));this.height=this.container.getStyle("height").toInt();
this.atScreen=0;this._animate(this.atScreen);break;default:(2).times(function(){this.aItems.each(function(d){d.clone().injectInside(this.container);}.bind(this));}.bind(this));this.aItems=$A($$("."+this.options.item.klass));this.aItems.each(function(d){d.addEvents({"mouseenter":function(){this.isMouseOver=true;
if(this.options.animation.rotate.type=="auto"){this.timer=$clear(this.timer);}}.bind(this),"mouseleave":function(){this.isMouseOver=false;if(this.options.animation.rotate.type=="auto"){this.timer=this._autoRotate.periodical(this.options.animation.rotate.interval,this);}}.bind(this)});}.bind(this));this.fx=new Fx.Morph(this.container,{duration:c.duration,transition:c.transition});
this.atScreen=this.aItems.length/3;this.container.setStyle(c.direction,-this.atScreen*this.options.item.size);break;}if(this.options.animation.rotate.type=="auto"){this.timer=this._autoRotate.periodical(this.options.animation.rotate.interval,this);}},goTo:function(b){switch(this.options.animation.type.toLowerCase()){case"fade":var a=this.atScreen;
this.atScreen=Math.abs(b%(this.aItems.length/3));this._animate(this.atScreen,a);break;default:this.atScreen=Math.abs(b%(this.aItems.length/3));this.atScreen+=this.aItems.length/3;this._animate(this.atScreen);break;}this.fireEvent("onGoTo",this,20);},_previous:function(){switch(this.options.animation.type.toLowerCase()){case"fade":var a=this.atScreen;
this.atScreen-=this.options.animation.amount;if(this.atScreen<0){this.atScreen=(this.aItems.length-1);}this._animate(this.atScreen,a);break;default:this.atScreen-=this.options.animation.amount;if(this.atScreen<this.aItems.length/3){this.container.setStyle(this.options.animation.direction,-this.options.item.size*this.aItems.length*2/3);
this.atScreen=this.aItems.length*2/3-this.options.animation.amount;}this._animate(this.atScreen);break;}this.fireEvent("onPrevious",this,20);},_next:function(){switch(this.options.animation.type.toLowerCase()){case"fade":var a=this.atScreen;this.atScreen+=this.options.animation.amount;if(this.atScreen>=this.aItems.length){this.atScreen=0;
}this._animate(this.atScreen,a);break;default:this.atScreen+=this.options.animation.amount;if(this.atScreen>this.aItems.length*2/3){this.container.setStyle(this.options.animation.direction,-this.options.item.size*this.aItems.length/3);this.atScreen=this.aItems.length/3+this.options.animation.amount;}this._animate(this.atScreen);
break;}this.fireEvent("onNext",this,20);},_toggle:function(){(this.container.getStyle("height").toInt()==0)?this.container.effect("height",{duration:1000,transition:Fx.Transitions.Sine.easeInOut}).start(this.height):this.container.effect("height",{duration:1000,transition:Fx.Transitions.Sine.easeInOut}).start(0);
},_autoRotate:function(){if(this.options.animation.rotate.onMouseOver=="stop"&&!this.isMouseOver){this._next();}},_animate:function(d,c){switch(this.options.animation.type){case"fade":if($defined(c)){this.aItems[c].fx.start(0).chain(function(){this.aItems[d].fx.start(1);}.bind(this));}else{this.aItems[d].fx.start(1);
}break;case"scroll":var e=this;if(e.options.animation.direction=="top"){e.fx.start({"top":-d*e.options.item.size});}else{e.fx.start({"left":-d*e.options.item.size});}break;case"fadeNscroll":var e=this;if(e.options.animation.direction=="top"){e.fx.start({"opacity":0.75}).chain(function(){e.fx.start({"top":-d*e.options.item.size}).chain(function(){e.fx.start({"opacity":1});
});});}else{e.fx.start({"opacity":0.75}).chain(function(){e.fx.start({"left":-d*e.options.item.size}).chain(function(){e.fx.start({"opacity":1});});});}break;}}});iCarousel.implement(new Events);iCarousel.implement(new Options);