var Cluster=Class.create({cCapCount:0,nCapWidth:0,nCurCap:0,bInScroll:false,bSuppressScrolling:false,rgImages:Array(),rgImageURLs:{},nCapsulesToPreload:1,initialize:function(args)
{this.cCapCount=args.cCapCount;this.nCapWidth=args.nCapWidth;this.nCapsulesToPreload=args.nCapsulesToPreload||1;this.elClusterArea=args.elClusterArea;this.elScrollArea=args.elScrollArea||this.elClusterArea.down('.cluster_scroll_area');this.elScrollLeftBtn=args.elScrollLeftBtn||this.elClusterArea.down('.cluster_control_left');this.elScrollRightBtn=args.elScrollRightBtn||this.elClusterArea.down('.cluster_control_right');this.rgImages=args.rgImages||this.elClusterArea.select('img.cluster_capsule_image');this.rgImageURLs=args.rgImageURLs||{};this.elSlider=args.elSlider;var elHandle=args.elHandle||this.elSlider.down('.handle');this.elScrollLeftBtn.observe('click',this.scrollLeft.bindAsEventListener(this));this.elScrollRightBtn.observe('click',this.scrollRight.bindAsEventListener(this,false));this.elClusterArea.observe('mouseover',this.mouseOver.bindAsEventListener(this));this.elClusterArea.observe('mouseout',this.mouseOut.bindAsEventListener(this));var obj=this;this.slider=new Control.Slider(elHandle,this.elSlider,{range:$R(0,this.nCapWidth*this.cCapCount),sliderValue:0,onSlide:this.sliderOnSlide.bind(this),onChange:this.sliderOnChange.bind(this)});Event.observe(window,'load',this.startTimer.bind(this));},startTimer:function()
{this.clearInterval();this.interval=window.setInterval(this.scrollRight.bindAsEventListener(this,true),5000);},clearInterval:function()
{if(this.interval)
{window.clearInterval(this.interval);this.interval=false;}},mouseOver:function()
{this.clearInterval();ShowWithFade(this.elScrollLeftBtn);ShowWithFade(this.elScrollRightBtn);},mouseOut:function(event)
{var reltarget=(event.relatedTarget)?event.relatedTarget:event.toElement;if(reltarget&&$(reltarget).up('#'+this.elClusterArea.id))
return;HideWithFade(this.elScrollLeftBtn);HideWithFade(this.elScrollRightBtn);this.startTimer();},scrollRight:function(event,bAutoScroll)
{if(this.bSuppressScrolling&&bAutoScroll)
return;this.nCurCap++;this.bInScroll=true;var nDuration=bAutoScroll?0.8:0.8;if(this.nCurCap<=this.cCapCount)
{if(this.elScrollArea.effect)this.elScrollArea.effect.cancel();this.elScrollArea.effect=new Effect.Morph(this.elScrollArea,{style:'left: -'+(this.nCurCap*this.nCapWidth)+'px;',duration:nDuration,fps:60});}
else
{this.nCurCap=0;if(this.elScrollArea.effect)this.elScrollArea.effect.cancel();var elScrollArea=this.elScrollArea;this.elScrollArea.effect=new Effect.Morph(this.elScrollArea,{style:'left: -'+((this.cCapCount+1)*this.nCapWidth)+'px;',duration:nDuration,fps:60,afterFinish:function(){elScrollArea.style.left='0px';}});}
this.slider.setValue(this.nCurCap*this.nCapWidth);this.ensureImagesLoaded();this.bInScroll=false;},scrollLeft:function()
{this.nCurCap--;this.bInScroll=true;if(this.nCurCap>=0)
{if(this.elScrollArea.effect)this.elScrollArea.effect.cancel();this.elScrollArea.effect=new Effect.Morph(this.elScrollArea,{style:'left: -'+(this.nCurCap*this.nCapWidth)+'px;',duration:0.4});}
else
{this.nCurCap=this.cCapCount;if(this.elScrollArea.effect)this.elScrollArea.effect.cancel();this.elScrollArea.style.left='-'+((this.cCapCount+1)*this.nCapWidth)+'px';this.elScrollArea.effect=new Effect.Morph(this.elScrollArea,{style:'left: -'+(this.cCapCount*this.nCapWidth)+'px;',duration:0.4});}
this.slider.setValue(this.nCurCap*this.nCapWidth);this.ensureImagesLoaded();this.bInScroll=false;},sliderOnSlide:function(value)
{this.nCurCap=Math.round(value/this.nCapWidth);this.ensureImagesLoaded();if(this.elScrollArea.effect)this.elScrollArea.effect.cancel();this.elScrollArea.style.left='-'+value+'px';},sliderOnChange:function(value)
{if(!this.bInScroll)
{this.nCurCap=Math.round(value/this.nCapWidth);var nSnapValue=this.nCurCap*this.nCapWidth;if(nSnapValue!=value)
{this.slider.setValue(nSnapValue);var nTravelDist=Math.abs(nSnapValue+parseInt(this.elScrollArea.style.left));this.elScrollArea.effect=new Effect.Morph(this.elScrollArea,{style:'left: -'+nSnapValue+'px;',duration:Math.max(0.2,nTravelDist/2500)});}}},ensureImagesLoaded:function()
{for(var i=0;i<=this.nCapsulesToPreload&&this.nCurCap+i<this.rgImages.length;i++)
{var img=this.rgImages[this.nCurCap+i];if(this.rgImageURLs[img.id]&&img.src!=this.rgImageURLs[img.id])
img.src=this.rgImageURLs[img.id];}}});function ShowWithFade(elem)
{var elem=$(elem);if(!elem.visible()||elem.hiding)
{elem.hiding=false;if(elem.effect)
elem.effect.cancel();if(Prototype.Browser.IE)
{elem.addClassName('suppress_shadow');elem.effect=new Effect.Appear(elem,{duration:0.2,afterFinish:function(){elem.removeClassName('suppress_shadow');}});}
else
{elem.effect=new Effect.Appear(elem,{duration:0.2});}}}
function HideWithFade(elem)
{var elem=$(elem);if(elem.visible()&&!elem.hiding)
{if(elem.effect&&!elem.hiding)
elem.effect.cancel();elem.hiding=true;if(Prototype.Browser.IE)
{elem.addClassName('suppress_shadow');}
elem.effect=new Effect.Fade(elem,{duration:0.2});}}
Sound={tracks:{},_enabled:true,template:new Template('<embed style="height:0" id="sound_#{track}_#{id}" src="#{url}" loop="false" autostart="true" hidden="true"/>'),enable:function(){Sound._enabled=true;},disable:function(){Sound._enabled=false;},play:function(url){if(!Sound._enabled)return;var options=Object.extend({track:'global',url:url,replace:false},arguments[1]||{});if(options.replace&&this.tracks[options.track]){$R(0,this.tracks[options.track].id).each(function(id){var sound=$('sound_'+options.track+'_'+id);sound.Stop&&sound.Stop();sound.remove();})
this.tracks[options.track]=null;}
if(!this.tracks[options.track])
this.tracks[options.track]={id:0}
else
this.tracks[options.track].id++;options.id=this.tracks[options.track].id;$$('body')[0].insert(Prototype.Browser.IE?new Element('bgsound',{id:'sound_'+options.track+'_'+options.id,src:options.url,loop:1,autostart:true}):Sound.template.evaluate(options));}};if(Prototype.Browser.Gecko&&navigator.userAgent.indexOf("Win")>0){if(navigator.plugins&&$A(navigator.plugins).detect(function(p){return p.name.indexOf('QuickTime')!=-1}))
Sound.template=new Template('<object id="sound_#{track}_#{id}" width="0" height="0" type="audio/mpeg" data="#{url}"/>')
else
Sound.play=function(){}}