var SlideItMoo=new Class({Implements:[Options],options:{overallContainer:null,elementScrolled:null,thumbsContainer:null,itemsVisible:5,itemsSelector:null,itemWidth:null,showControls:1,transition:Fx.Transitions.linear,duration:100,direction:1,autoSlide:false,mouseWheelNav:false},initialize:function(options){this.setOptions(options);this.elements=$(this.options.thumbsContainer).getElements(this.options.itemsSelector);this.totalElements=this.elements.length;if(this.totalElements<=this.options.itemsVisible)return;this.elementWidth=this.options.itemWidth||this.elements[0].getSize().x;this.currentElement=0;this.direction=this.options.direction;this.autoSlideTotal=this.options.autoSlide+this.options.duration;this.begin();},begin:function(){this.setContainersSize();this.myFx=new Fx.Morph(this.options.thumbsContainer,{wait:true,transition:this.options.transition,duration:this.options.duration});this.addControls();if(this.options.mouseWheelNav&&!this.options.autoSlide){$(this.options.thumbsContainer).addEvent('mousewheel',function(ev){new Event(ev).stop();this.slide(-ev.wheel);}.bind(this));}
if(this.options.autoSlide)
this.startAutoSlide();},setContainersSize:function(){$(this.options.overallContainer).set({styles:{'width':this.options.itemsVisible*this.elementWidth+40*this.options.showControls}});$(this.options.elementScrolled).set({styles:{'width':this.options.itemsVisible*this.elementWidth}});$(this.options.thumbsContainer).set({styles:{'width':this.totalElements*(this.elementWidth+10)}});},addControls:function(){if(!this.options.showControls)return;this.fwd=new Element('div',{'class':'SlideItMoo_forward'});this.bkwd=new Element('div',{'class':'SlideItMoo_back'});$(this.options.overallContainer).adopt(this.fwd,this.bkwd);this.fwd.addEvent('click',this.slide.bind(this).pass(-1));this.bkwd.addEvent('click',this.slide.bind(this).pass(1));},slide:function(direction){if(this.started)return;this.direction=direction;var currentIndex=this.currentIndex();if(this.direction==-1){this.rearange();$(this.options.thumbsContainer).setStyle('margin-left',-this.elementWidth);}
this.started=true;this.myFx.start({'margin-left':this.direction==1?-this.elementWidth:0}).chain(this.rearange.bind(this).pass(true));},rearange:function(rerun){if(rerun)this.started=false;if(rerun&&this.direction==-1){return;}
this.currentElement=this.currentIndex(this.direction);$(this.options.thumbsContainer).setStyle('margin-left',0);if(this.currentElement==1&&this.direction==1){this.elements[0].injectAfter(this.elements[this.totalElements-1]);return;}
if((this.currentElement==0&&this.direction==1)||(this.direction==-1&&this.currentElement==this.totalElements-1)){this.rearrangeElement(this.elements.getLast(),this.direction==1?this.elements[this.totalElements-2]:this.elements[0]);return;}
if(this.direction==1){this.rearrangeElement(this.elements[this.currentElement-1],this.elements[this.currentElement-2]);}
else{this.rearrangeElement(this.elements[this.currentElement],this.elements[this.currentElement+1]);}},rearrangeElement:function(element,indicator){this.direction==1?element.injectAfter(indicator):element.injectBefore(indicator);},currentIndex:function(){var elemIndex=null;switch(this.direction){case 1:elemIndex=this.currentElement>=this.totalElements-1?0:this.currentElement+this.direction;break;case-1:elemIndex=this.currentElement==0?this.totalElements-1:this.currentElement+this.direction;break;}
return elemIndex;},startAutoSlide:function(){this.startIt=this.slide.bind(this).pass(this.direction||1);this.autoSlide=this.startIt.periodical(this.autoSlideTotal,this);this.elements.addEvents({'mouseover':function(){$clear(this.autoSlide);}.bind(this),'mouseout':function(){this.autoSlide=this.startIt.periodical(this.autoSlideTotal,this);}.bind(this)})}})