var JASlideshow2=new Class({initialize:function(element,options){this.options=Object.extend({startItem:0,showItem:4,mainWidth:360,mainHeight:240,itemWidth:60,itemHeight:60,duration:400,interval:5000,transition:Fx.Transitions.Back.easeOut,thumbOpacity:'0.8',maskDesc:'maskDesc',but_prev:'but_prev',but_next:'but_next',maskOpacity:'0.8',buttonOpacity:'0.4',overlap:0,navigation:'',animation:'fade',thumbSpaces:[3,3],urls:[],autoPlay:false},options||{});if(!this.options.animation.test(/move/))this.options.overlap=0;this.el=$(element);this.fxOptions={duration:this.options.duration,transition:this.options.transition,wait:false}
this.elmain=this.el.getElement('.ja-slide-main-wrap');var conWidth=this.options.overlap?'100%':this.options.mainWidth;this.elmain.setStyles({'width':conWidth,'height':this.options.mainHeight});this.els=this.el.getElements('.ja-slide-item');this.els.setStyles({'width':this.options.mainWidth,'height':this.options.mainHeight});this.options.rearWidth=0;this.options.mainSpace=0;if(this.options.overlap){this.options.mainSpace=10;this.options.rearWidth=Math.ceil((this.elmain.offsetWidth-this.options.mainWidth)/2)-this.options.mainSpace;this.but_prev=this.el.getElement('.'+this.options.but_prev);this.but_next=this.el.getElement('.'+this.options.but_next);this.but_prev.setStyles({'opacity':this.options.buttonOpacity,'width':this.options.rearWidth,'height':this.options.mainHeight});this.but_next.setStyles({'opacity':this.options.buttonOpacity,'width':this.options.rearWidth,'height':this.options.mainHeight});this.but_prev.addEvents({'mouseover':function(){this.but_prev.setStyle('opacity',this.options.buttonOpacity/2);}.bind(this),'mouseout':function(){this.but_prev.setStyle('opacity',this.options.buttonOpacity);}.bind(this)});this.but_next.addEvents({'mouseenter':function(){this.but_next.setStyle('opacity',this.options.buttonOpacity/2);}.bind(this),'mouseleave':function(){this.but_next.setStyle('opacity',this.options.buttonOpacity);}.bind(this)});this.els.setStyle('margin-right',this.options.mainSpace);}
if(this.options.navigation){this.el.getElement('.ja-slide-thumbs-wrap').setStyles({'width':this.options.itemWidth*this.options.showItem,'height':this.options.itemHeight});var thumbs_thumbs=this.el.getElement('.ja-slide-thumbs');thumbs_thumbs.setStyle('left',0);thumbs_thumbs.getChildren().setStyles({'width':this.options.itemWidth,'height':this.options.itemHeight});var thumbs_handles=this.el.getElement('.ja-slide-thumbs-handles');thumbs_handles.setStyle('left',0);thumbs_handles.getChildren().setStyles({'width':this.options.itemWidth,'height':this.options.itemHeight});var thumbsFx_thumbs=new Fx.Style(thumbs_thumbs,'left',this.fxOptions);var thumbsFx_handles=new Fx.Style(thumbs_handles,'left',this.fxOptions);this.el.getElement('.ja-slide-thumbs-mask-left').setStyles({'height':this.options.itemHeight,'width':2000,'opacity':this.options.thumbOpacity});this.el.getElement('.ja-slide-thumbs-mask-right').setStyles({'height':this.options.itemHeight,'width':2000,'opacity':this.options.thumbOpacity});this.el.getElement('.ja-slide-thumbs-mask-center').setStyles({'height':this.options.itemHeight,'width':this.options.itemWidth,'opacity':this.options.thumbOpacity});var thumbs_mask=this.el.getElement('.ja-slide-thumbs-mask').setStyles({'left':this.options.startItem*this.options.itemWidth-2000,'width':5000});var thumbsFx_mask=new Fx.Style(thumbs_mask,'left',this.fxOptions);}
this.onWalk=function(currentIndex){if(this.options.navigation){if(currentIndex<=this.options.startItem||currentIndex-this.options.startItem>=this.options.showItem-1){this.options.startItem=currentIndex-this.options.showItem+2;if(this.options.startItem<0)this.options.startItem=0;if(this.options.startItem>this.els.length-this.options.showItem)this.options.startItem=this.els.length-this.options.showItem;}
thumbsFx_mask.start((currentIndex-this.options.startItem)*this.options.itemWidth-2000);thumbsFx_thumbs.start(-this.options.startItem*this.options.itemWidth);thumbsFx_handles.start(-this.options.startItem*this.options.itemWidth);}
if(this.options.descMode.test(/load/)){this.hideDesc();}
if(this.el.getElement('.readon'))this.el.getElement('.readon').href=this.options.urls[currentIndex];}
this.maskDesc=this.el.getElement('.'+this.options.maskDesc);this.maskDesc.setStyles({'display':'block','position':'absolute','top':0,'left':this.options.rearWidth+this.options.mainSpace,'width':this.options.mainWidth,'height':this.options.mainHeight,'opacity':0.01});if(this.options.showDesc){this.descFx=new Fx.Style(this.maskDesc,'opacity',{duration:200,transition:Fx.Transitions.linear});this.descs=this.el.getElements('.ja-slide-desc');this.showDesc=function(){this.descFx.stop();this.descFx.start(this.options.maskOpacity);};this.hideDesc=function(){this.descFx.stop();this.descFx.start(0.01);};this.swapDesc=function(currentIndex){if(this.maskDesc.currentIndex==currentIndex)return;if(this.maskDesc.desc){this.maskDesc.desc.remove();this.maskDesc.desc=null;}}
if(this.options.descMode.test(/mouseover/)){this.maskDesc.addEvent('mouseover',this.showDesc.bind(this));this.maskDesc.addEvent('mouseout',this.hideDesc.bind(this));}}
this.fxOptions.onComplete=function(){if(this.options.showDesc){this.swapDesc(this.hs.currentIndex);if(this.options.descMode.test(/load/)){this.showDesc();}}
if(this.hs.options.handles&&this.hs.options.handles.length){this.hs.options.handles[this.hs.lastIndex].removeClass('active');this.hs.options.handles[this.hs.currentIndex].addClass('active');this.el.getElements('.ja-slide-thumb')[this.hs.lastIndex].removeClass('active');this.el.getElements('.ja-slide-thumb')[this.hs.currentIndex].addClass('active');}}.bind(this);if(this.options.urls){this.maskDesc.addEvent('click',function(){var url=this.options.urls[this.hs.currentIndex];if(url)location.href=url;}.bind(this));}
this.hs=new JASlideshow({box:this.el.getElement('.ja-slide-main'),items:this.els,handles:thumbs_handles?thumbs_handles.getChildren():[],fxOptions:this.fxOptions,interval:this.options.interval,onWalk:this.onWalk.bind(this),size:this.options.mainWidth+this.options.mainSpace,animation:this.options.animation,buttons:{previous:this.el.getElements('.ja-slide-prev'),play:this.el.getElements('.ja-slide-play'),stop:this.el.getElements('.ja-slide-stop'),playback:this.el.getElements('.ja-slide-playback'),next:this.el.getElements('.ja-slide-next')},startItem:this.options.startItem,offset:this.options.overlap?this.options.rearWidth-this.options.mainWidth:0,autoPlay:this.options.autoPlay});if(this.options.overlap){this.hs.box.getChildren()[0].clone().inject(this.hs.box);this.hs.box.getChildren()[this.hs.items.length-1].clone().injectTop(this.hs.box);this.hs.box.setStyle(this.hs.modes[this.hs.options.mode][1],(this.hs.options.size*(this.hs.items.length+2)+200)+'px');}
this.el.setStyle('visibility','visible');}});