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"}},fade:{opacity:0.75},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(container,options){this.setOptions(options);this.container=$(container);this.aItems=$A($$('.'+this.options.item.klass));this.isMouseOver=false;if((this.options.idPrevious!="undefined")&&$(this.options.idPrevious))
$(this.options.idPrevious).addEvent("click",function(event){new Event(event).stop();this._previous();this.fireEvent("onClickPrevious",this,20);}.bind(this));if(this.options.idNext!="undefined"&&$(this.options.idNext))
$(this.options.idNext).addEvent("click",function(event){new Event(event).stop();this._next();this.fireEvent("onClickNext",this,20);}.bind(this));if(this.options.idToggle!="undefined"&&$(this.options.idToggle))
$(this.options.idToggle).addEvent("click",function(event){new Event(event).stop();this._toggle()}.bind(this));var oAn=this.options.animation;switch(this.options.animation.type.toLowerCase()){case"fade":this.aItems.each(function(item){item.fx=item.effect("opacity",{duration:oAn.duration,transition:oAn.transition});item.setStyle("opacity",0);item.addEvents({"mouseenter":function(){this.isMouseOver=true;if(this.options.animation.rotate.type=="auto")this.timer=$clear(this.timer);}.bind(this),"mouseleave":function(){this.isMouseOver=false;if(this.options.animation.rotate.type=="auto")this.timer=this._autoRotate.periodical(this.options.animation.rotate.interval,this);}.bind(this)});}.bind(this));this.height=this.container.getStyle("height").toInt();this.atScreen=0;this._animate(this.atScreen);break;default:(2).times(function(){this.aItems.each(function(item){item.clone().injectInside(this.container);}.bind(this));}.bind(this));this.aItems=$A($$('.'+this.options.item.klass));this.aItems.each(function(item){item.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=this.container.set("tween",{duration:oAn.duration,transition:oAn.transition,wait:false});this.atScreen=this.aItems.length/3;this.container.setStyle(oAn.direction,-this.atScreen*this.options.item.size);break;}},goTo:function(n){switch(this.options.animation.type.toLowerCase()){case"fade":var lastIndex=this.atScreen;this.atScreen=Math.abs(n%(this.aItems.length/3));this._animate(this.atScreen,lastIndex);break;default:this.atScreen=Math.abs(n%(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 lastIndex=this.atScreen;this.atScreen-=this.options.animation.amount;if(this.atScreen<0)this.atScreen=(this.aItems.length-1);this._animate(this.atScreen,lastIndex);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 lastIndex=this.atScreen;this.atScreen+=this.options.animation.amount;if(this.atScreen>=this.aItems.length)this.atScreen=0;this._animate(this.atScreen,lastIndex);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.set("tween",{duration:1000,transition:Fx.Transitions.Sine.easeInOut});(this.container.getStyle("height").toInt()==0)?this.container.get('tween',{property:'height'}).start(this.height):this.container.get('tween',{property:'height'}).start(0);},_autoRotate:function(){if(this.options.animation.rotate.onMouseOver=="stop"&&!this.isMouseOver)this._next();},_animate:function(a,b){switch(this.options.animation.type){case"fade":if($defined(b)){this.aItems[b].fx.get('tween').start(0).chain(function(){this.aItems[a].fx.get('tween').start(1);}.bind(this));}else{this.aItems[a].fx.get('tween').start(1);}
break;case"scroll":var that=this;if(that.options.animation.direction=="top"){that.fx.get('tween',{property:'top'}).start(-a*that.options.item.size);}else{that.fx.get('tween',{property:'left'}).start(-a*that.options.item.size);}
break;case"fadeNscroll":var that=this;if(that.options.animation.direction=="top"){that.fx.get('tween',{property:'opacity'}).start(that.options.fade.opacity).chain(function(){that.fx.get('tween',{property:'top'}).start(-a*that.options.item.size).chain(function(){that.fx.get('tween',{property:'opacity'}).start(1);});});}else{that.fx.get('tween',{property:'opacity'}).start(that.options.fade.opacity).chain(function(){that.fx.get('tween',{property:'left'}).start(-a*that.options.item.size).chain(function(){that.fx.get('tween',{property:'opacity'}).start(1);});});}
break;}}});iCarousel.implement(new Events);iCarousel.implement(new Options);var selected=0;function selectNav(){$$('#carrousel-nav-items li').each(function(el,i){if(i==selected)
el.set("class","selected");else
el.set("class","");});};window.addEvent('load',function(){var type="fadeNscroll";var ie6=false;if(window.navigator.appVersion.match(/MSIE\s+6/)){ie6=true;}
if(ie6)
type="scroll";var size=$$('#carrousel .display')[0].clientWidth;if($('vignettes')){$$('#vignettes .vig').each(function(el){el.setStyles({'width':size});});}
var w=$$('.vig')[0].getStyle('width').toInt();var numVig=$$('.vig').length;w=numVig*w;$('vignettes').setStyle('width',w*3);var carrousel=new iCarousel('vignettes',{animation:{type:type,transition:Fx.Transitions.linear,duration:500,rotate:{type:"manual",interval:numVig*1000,onMouseOver:"stop"}},fade:{opacity:0.5},item:{klass:"vig",size:size},idPrevious:"carrousel-previous",idNext:"carrousel-next",idToggle:"undefined"});carrousel.addEvents({"onNext":function(){selected=(selected+1)%numVig;selectNav();},"onPrevious":function(){selected=(selected+numVig-1)%numVig;selectNav();}});selectNav();$$('#carrousel-nav-items li').each(function(el,i){el.addEvent("click",function(){if(selected!=i){carrousel.goTo(i);selected=i;selectNav();}});});});