var __debug=false;var SlideShow=Class.create({initialize:function(element,options){this.element=element;this.suppliedOptions=options;this.defaultOptions=$H({autoPlay:true,slideDuration:5,transitionDuration:1,loop:true,crossFade:false,pauseOnMouseover:false,slidesSelector:'> *',startHidden:true,events:{init:'dom:loaded',play:'window:loaded'},beforeStart:Prototype.emptyFunction,afterFinish:Prototype.emptyFunction});this.options=this.defaultOptions.merge(this.suppliedOptions).each(function(option){this[option[0]]=option[1];}.bind(this));this.events=$H(this.defaultOptions.get('events')).merge(this.events).toObject();if(this.autoPlay){this.initEventFunction=function(){this.init();if(this.events.init=='dom:loaded')
document.stopObserving(this.events.init,this.initEventFunction);}.bind(this);document.observe(this.events.init,this.initEventFunction);}},init:function(){if(!$(this.element))return;this.root=$(this.element);this.id=this.root.identify();this.fireEvent('initializing',{slideShow:this});this.slides=$$('#'+String(this.id)+' '+String(this.slidesSelector));this.loopCount=0;this.slideCount=0;this.slideIndex=0;this.paused=false;this.started=false;this.prep();this.playEventFunction=function(){this.beforeStart();this.play();if(this.pauseOnMouseover)
this.root.observe('mouseover',this.pause.bind(this)).observe('mouseout',this.play.bind(this));if(this.events.play=='window:loaded')
document.stopObserving(this.events.play,this.playEventFunction);}.bind(this);document.observe(this.events.play,this.playEventFunction);this.fireEvent('initialized',{slideShow:this});},prep:function(){this.root.makePositioned();for(var i=0;i<this.slides.length;i++){this.slides[i].setStyle({position:'absolute',zIndex:i});if(this.startHidden||(!this.startHidden&&i!=0))
this.prepSlide(this.slides[i]);};this.fireEvent('prepped',{slideShow:this});},prepSlide:function(slide){return slide.setStyle({display:'none',opacity:0});},play:function(e){if(e&&!this.autoPlay&&this.pauseOnMouseover&&this.loopCount==0)return;if(e&&this.mouseIsWithinSlideArea(e))return;this.started=true;this.paused=false;this.fireEvent('started',{slideShow:this});this.transition();},pause:function(e){if(!this.started||this.paused||(e&&!this.mouseIsWithinSlideArea(e)))return;this.paused=true;this.abortNextTransition();this.fireEvent('paused',{slideShow:this});},transition:function(){if(this.paused)return;if(this.nextTransition)this.nextTransition.stop();this.coming=this.slides[this.slideIndex];this.going=this.coming.previous()||this.slides.last();var coming=this.coming;var going=this.going;if(this.slideCount>0&&this.coming==this.slides.first()&&this.going==this.slides.last()){this.fireEvent('looped',{slideShow:this});this.loopCount++;this.afterFinish();if(!this.loop)return;}
this.slideCount++;this.slideIndex++;if(this.slideIndex>=this.slides.length)this.slideIndex=0;if(going!=coming){if(this.crossFade){new Effect.Parallel([new Effect.Appear(coming),new Effect.Fade(going)],{duration:this.transitionDuration,afterFinish:function(){this.prepSlide(going);this.afterTransitionEffect();}.bind(this)});}else{going.fade({duration:this.transitionDuration/2,afterFinish:function(){this.prepSlide(going);coming.appear({duration:this.transitionDuration/2,afterFinish:this.afterTransitionEffect.bind(this)});}.bind(this)});}}
else{coming.appear({duration:this.transitionDuration/2,afterFinish:this.afterTransitionEffect.bind(this)});}
this.fireEvent('transitioned',{slideShow:this,coming:coming,going:going,loopCount:this.loopCount});},afterTransitionEffect:function(){this.scheduleNextTransition();},scheduleNextTransition:function(){if(this.slideDuration<=0)return;this.nextTransition=new PeriodicalExecuter(function(nextTransition){if(this.paused)return;this.transition();}.bind(this),this.slideDuration);},abortNextTransition:function(){if(this.nextTransition)this.nextTransition.stop();},fireEvent:function(name,memo){this.root.fire('SlideShow_'+this.root.id+':'+name,memo);},mouseIsWithinSlideArea:function(e){return false;},end:function(){this.pause();document.stopObserving(this.events.play,this.playEventFunction);document.stopObserving(this.events.init,this.initEventFunction);},remove:function(){this.end();this.root.remove();this.fireEvent('removed');}});Event.observe(window,'load',function(e){document.fire('window:loaded');});function cl(str){if(__debug)
Try.these(function(){console.log(str);});}