Slideshow=new Class({Implements:[Chain,Events,Options],options:{captions:false,center:true,classes:[],controller:false,delay:2000,duration:750,fast:false,height:false,href:'',hu:'',linked:false,loader:{'animate':['css/loader-#.png',12]},loop:true,match:/\?slide=(\d+)$/,overlap:true,paused:false,properties:['href','rel','rev','title'],random:false,replace:[/(\.[^\.]+)$/,'t$1'],resize:'width',slide:0,thumbnails:false,titles:true,transition:function(p){return-(Math.cos(Math.PI*p)-1)/2;},width:false},initialize:function(el,data,options){this.setOptions(options);this.slideshow=$(el);if(!this.slideshow)
return;this.slideshow.set('styles',{'display':'block','position':'relative','z-index':0});var match=window.location.href.match(this.options.match);this.slide=(this.options.match&&match)?match[1].toInt():this.options.slide;this.counter=this.delay=this.transition=0;this.direction='left';this.paused=false;if(!this.options.overlap)
this.options.duration*=2;var anchor=this.slideshow.getElement('a')||new Element('a');if(!this.options.href)
this.options.href=anchor.get('href')||'';if(this.options.hu.length&&!this.options.hu.test(/\/$/))
this.options.hu+='/';if(this.options.fast===true)
this.options.fast=2;var keys=['slideshow','first','prev','play','pause','next','last','images','captions','controller','thumbnails','hidden','visible','inactive','active','loader'];var values=keys.map(function(key,i){return this.options.classes[i]||key;},this);this.classes=values.associate(keys);this.classes.get=function(){var str='.'+this.slideshow;for(var i=0,l=arguments.length;i<l;i++)
str+=('-'+this[arguments[i]]);return str;}.bind(this.classes);if(!data){this.options.hu='';data={};var thumbnails=this.slideshow.getElements(this.classes.get('thumbnails')+' img');this.slideshow.getElements(this.classes.get('images')+' img').each(function(img,i){var src=img.get('src');var caption=$pick(img.get('alt'),img.get('title'),'');var parent=img.getParent();var properties=(parent.get('tag')=='a')?parent.getProperties:{};var href=img.getParent().get('href')||'';var thumbnail=(thumbnails[i])?thumbnails[i].get('src'):'';data[src]={'caption':caption,'href':href,'thumbnail':thumbnail};});}
var loaded=this.load(data);if(!loaded)
return;this.events=$H({'keydown':[],'keyup':[],'mousemove':[]});var keyup=function(e){switch(e.key){case'left':this.prev(e.shift);break;case'right':this.next(e.shift);break;case'p':this.pause();break;}}.bind(this);this.events.keyup.push(keyup);document.addEvent('keyup',keyup);var el=this.slideshow.getElement(this.classes.get('images'));var images=(el)?el.empty():new Element('div',{'class':this.classes.get('images').substr(1)}).inject(this.slideshow);var div=images.getSize();this.height=this.options.height||div.y;this.width=this.options.width||div.x;images.set({'styles':{'display':'block','height':this.height,'overflow':'hidden','position':'relative','width':this.width}});this.slideshow.store('images',images);this.a=this.image=this.slideshow.getElement('img')||new Element('img');if(Browser.Engine.trident&&Browser.Engine.version>4)
this.a.style.msInterpolationMode='bicubic';this.a.set('styles',{'display':'none','position':'absolute','zIndex':1});this.b=this.a.clone();[this.a,this.b].each(function(img){anchor.clone().cloneEvents(anchor).grab(img).inject(images);});if(this.options.captions)
this._captions();if(this.options.controller)
this._controller();if(this.options.loader)
this._loader();if(this.options.thumbnails)
this._thumbnails();this._preload();},go:function(n,direction){if((this.slide-1+this.data.images.length)%this.data.images.length==n||$time()<this.transition)
return;$clear(this.timer);this.delay=0;this.direction=(direction)?direction:((n<this.slide)?'right':'left');this.slide=n;if(this.preloader)
this.preloader=this.preloader.destroy();this._preload(this.options.fast==2||(this.options.fast==1&&this.paused));},first:function(){this.prev(true);},prev:function(first){var n=0;if(!first){if(this.options.random){if(this.showed.i<2)
return;this.showed.i-=2;n=this.showed.array[this.showed.i];}
else
n=(this.slide-2+this.data.images.length)%this.data.images.length;}
this.go(n,'right');},pause:function(p){if($chk(p))
this.paused=(p)?false:true;if(this.paused){this.paused=false;this.delay=this.transition=0;this.timer=this._preload.delay(100,this);[this.a,this.b].each(function(img){['morph','tween'].each(function(p){if(this.retrieve(p))this.get(p).resume();},img);});if(this.options.controller)
this.slideshow.getElement('.'+this.classes.pause).removeClass(this.classes.play);}
else{this.paused=true;this.delay=Number.MAX_VALUE;this.transition=0;$clear(this.timer);[this.a,this.b].each(function(img){['morph','tween'].each(function(p){if(this.retrieve(p))this.get(p).pause();},img);});if(this.options.controller)
this.slideshow.getElement('.'+this.classes.pause).addClass(this.classes.play);}},next:function(last){var n=(last)?this.data.images.length-1:this.slide;this.go(n,'left');},last:function(){this.next(true);},load:function(data){this.firstrun=true;this.showed={'array':[],'i':0};if($type(data)=='array'){this.options.captions=false;data=new Array(data.length).associate(data.map(function(image,i){return image+'?'+i}));}
this.data={'images':[],'captions':[],'hrefs':[],'thumbnails':[]};for(var image in data){var obj=data[image]||{};var caption=(obj.caption)?obj.caption.trim():'';var href=(obj.href)?obj.href.trim():((this.options.linked)?this.options.hu+image:this.options.href);var thumbnail=(obj.thumbnail)?obj.thumbnail.trim():image.replace(this.options.replace[0],this.options.replace[1]);this.data.images.push(image);this.data.captions.push(caption);this.data.hrefs.push(href);this.data.thumbnails.push(thumbnail);}
if(this.options.random)
this.slide=$random(0,this.data.images.length-1);if(this.options.thumbnails&&this.slideshow.retrieve('thumbnails'))
this._thumbnails();if(this.slideshow.retrieve('images')){[this.a,this.b].each(function(img){['morph','tween'].each(function(p){if(this.retrieve(p))this.get(p).cancel();},img);});this.slide=this.transition=0;this.go(0);}
return this.data.images.length;},destroy:function(p){this.events.each(function(array,e){array.each(function(fn){document.removeEvent(e,fn);});});this.pause(1);if(this.options.loader)
$clear(this.slideshow.retrieve('loader').retrieve('timer'));if(this.options.thumbnails)
$clear(this.slideshow.retrieve('thumbnails').retrieve('timer'));this.slideshow.uid=Native.UID++;if(p)
this.slideshow[p]();},_preload:function(fast){if(!this.preloader)
this.preloader=new Asset.image(this.options.hu+this.data.images[this.slide],{'onload':function(){this.store('loaded',true);}});if(this.preloader.retrieve('loaded')&&$time()>this.delay&&$time()>this.transition){if(this.stopped){if(this.options.captions)
this.slideshow.retrieve('captions').get('morph').cancel().start(this.classes.get('captions','hidden'));this.pause(1);if(this.end)
this.fireEvent('end');this.stopped=this.end=false;return;}
this.image=(this.counter%2)?this.b:this.a;this.image.set('styles',{'display':'block','height':'auto','visibility':'hidden','width':'auto','zIndex':this.counter});['src','height','width'].each(function(prop){this.image.set(prop,this.preloader.get(prop));},this);this._resize(this.image);this._center(this.image);var anchor=this.image.getParent();if(this.data.hrefs[this.slide])
anchor.set('href',this.data.hrefs[this.slide]);else
anchor.erase('href');var text=(this.data.captions[this.slide])?this.data.captions[this.slide].replace(/<.+?>/gm,'').replace(/</g,'&lt;').replace(/>/g,'&gt;').replace(/"/g,"'"):'';this.image.set('alt',text);if(this.options.titles)
anchor.set('title',text);if(this.options.loader)
this.slideshow.retrieve('loader').fireEvent('hide');if(this.options.captions)
this.slideshow.retrieve('captions').fireEvent('update',fast);if(this.options.thumbnails)
this.slideshow.retrieve('thumbnails').fireEvent('update',fast);this._show(fast);this._loaded();}
else{if($time()>this.delay&&this.options.loader)
this.slideshow.retrieve('loader').fireEvent('show');this.timer=(this.paused&&this.preloader.retrieve('loaded'))?null:this._preload.delay(100,this,fast);}},_show:function(fast){if(!this.image.retrieve('morph')){var options=(this.options.overlap)?{'duration':this.options.duration,'link':'cancel'}:{'duration':this.options.duration/2,'link':'chain'};$$(this.a,this.b).set('morph',$merge(options,{'onStart':this._start.bind(this),'onComplete':this._complete.bind(this),'transition':this.options.transition}));}
var hidden=this.classes.get('images',((this.direction=='left')?'next':'prev'));var visible=this.classes.get('images','visible');var img=(this.counter%2)?this.a:this.b;if(fast){img.get('morph').cancel().set(hidden);this.image.get('morph').cancel().set(visible);}
else{if(this.options.overlap){img.get('morph').set(visible);this.image.get('morph').set(hidden).start(visible);}
else{var fn=function(hidden,visible){this.image.get('morph').set(hidden).start(visible);}.pass([hidden,visible],this);hidden=this.classes.get('images',((this.direction=='left')?'prev':'next'));img.get('morph').set(visible).start(hidden).chain(fn);}}},_loaded:function(){this.counter++;this.delay=(this.paused)?Number.MAX_VALUE:$time()+this.options.duration+this.options.delay;this.direction='left';this.transition=(this.options.fast==2||(this.options.fast==1&&this.paused))?0:$time()+this.options.duration;if(this.slide+1==this.data.images.length&&!this.options.loop&&!this.options.random)
this.stopped=this.end=true;if(this.options.random){this.showed.i++;if(this.showed.i>=this.showed.array.length){var n=this.slide;if(this.showed.array.getLast()!=n)this.showed.array.push(n);while(this.slide==n)
this.slide=$random(0,this.data.images.length-1);}
else
this.slide=this.showed.array[this.showed.i];}
else
this.slide=(this.slide+1)%this.data.images.length;if(this.image.getStyle('visibility')!='visible')
(function(){this.image.setStyle('visibility','visible');}).delay(1,this);if(this.preloader)
this.preloader=this.preloader.destroy();this._preload();},_center:function(img){if(this.options.center){var size=img.getSize();img.set('styles',{'left':(size.x-this.width)/-2,'top':(size.y-this.height)/-2});}},_resize:function(img){if(this.options.resize){var h=this.preloader.get('height'),w=this.preloader.get('width');var dh=this.height/h,dw=this.width/w,d;if(this.options.resize=='length')
d=(dh>dw)?dw:dh;else
d=(dh>dw)?dh:dw;img.set('styles',{height:Math.ceil(h*d),width:Math.ceil(w*d)});}},_start:function(){this.fireEvent('start');},_complete:function(){if(this.firstrun&&this.options.paused){this.firstrun=false;this.pause(1);}
this.fireEvent('complete');},_captions:function(){if(this.options.captions===true)
this.options.captions={};var el=this.slideshow.getElement(this.classes.get('captions'));var captions=(el)?el.empty():new Element('div',{'class':this.classes.get('captions').substr(1)}).inject(this.slideshow);captions.set({'events':{'update':function(fast){var captions=this.slideshow.retrieve('captions');var empty=(this.data.captions[this.slide]==='');if(fast){var p=(empty)?'hidden':'visible';captions.set('html',this.data.captions[this.slide]).get('morph').cancel().set(this.classes.get('captions',p));}
else{var fn=(empty)?$empty:function(n){this.slideshow.retrieve('captions').set('html',this.data.captions[n]).morph(this.classes.get('captions','visible'))}.pass(this.slide,this);captions.get('morph').cancel().start(this.classes.get('captions','hidden')).chain(fn);}}.bind(this)},'morph':$merge(this.options.captions,{'link':'chain'})});this.slideshow.store('captions',captions);},_controller:function(){if(this.options.controller===true)
this.options.controller={};var el=this.slideshow.getElement(this.classes.get('controller'));var controller=(el)?el.empty():new Element('div',{'class':this.classes.get('controller').substr(1)}).inject(this.slideshow);var ul=new Element('ul').inject(controller);$H({'first':'Shift + Leftwards Arrow','prev':'Leftwards Arrow','pause':'P','next':'Rightwards Arrow','last':'Shift + Rightwards Arrow'}).each(function(accesskey,action){var li=new Element('li',{'class':(action=='pause'&&this.options.paused)?this.classes.play+' '+this.classes[action]:this.classes[action]}).inject(ul);var a=this.slideshow.retrieve(action,new Element('a',{'title':((action=='pause')?this.classes.play.capitalize()+' / ':'')+this.classes[action].capitalize()+' ['+accesskey+']'}).inject(li));a.set('events',{'click':function(action){this[action]();}.pass(action,this),'mouseenter':function(active){this.addClass(active);}.pass(this.classes.active,a),'mouseleave':function(active){this.removeClass(active);}.pass(this.classes.active,a)});},this);controller.set({'events':{'hide':function(hidden){if(!this.retrieve('hidden'))
this.store('hidden',true).morph(hidden);}.pass(this.classes.get('controller','hidden'),controller),'show':function(visible){if(this.retrieve('hidden'))
this.store('hidden',false).morph(visible);}.pass(this.classes.get('controller','visible'),controller)},'morph':$merge(this.options.controller,{'link':'cancel'})}).store('hidden',false);var keydown=function(e){if(['left','right','p'].contains(e.key)){var controller=this.slideshow.retrieve('controller');if(controller.retrieve('hidden'))
controller.get('morph').set(this.classes.get('controller','visible'));switch(e.key){case'left':this.slideshow.retrieve((e.shift)?'first':'prev').fireEvent('mouseenter');break;case'right':this.slideshow.retrieve((e.shift)?'last':'next').fireEvent('mouseenter');break;default:this.slideshow.retrieve('pause').fireEvent('mouseenter');break;}}}.bind(this);this.events.keydown.push(keydown);var keyup=function(e){if(['left','right','p'].contains(e.key)){var controller=this.slideshow.retrieve('controller');if(controller.retrieve('hidden'))
controller.store('hidden',false).fireEvent('hide');switch(e.key){case'left':this.slideshow.retrieve((e.shift)?'first':'prev').fireEvent('mouseleave');break;case'right':this.slideshow.retrieve((e.shift)?'last':'next').fireEvent('mouseleave');break;default:this.slideshow.retrieve('pause').fireEvent('mouseleave');break;}}}.bind(this);this.events.keyup.push(keyup);var mousemove=function(e){var images=this.slideshow.retrieve('images').getCoordinates();if(e.page.x>images.left&&e.page.x<images.right&&e.page.y>images.top&&e.page.y<images.bottom)
this.slideshow.retrieve('controller').fireEvent('show');else
this.slideshow.retrieve('controller').fireEvent('hide');}.bind(this);this.events.mousemove.push(mousemove);document.addEvents({'keydown':keydown,'keyup':keyup,'mousemove':mousemove});this.slideshow.retrieve('controller',controller).fireEvent('hide');},_loader:function(){if(this.options.loader===true)
this.options.loader={};var loader=new Element('div',{'class':this.classes.get('loader').substr(1),'morph':$merge(this.options.loader,{'link':'cancel'})}).store('hidden',false).store('i',1).inject(this.slideshow.retrieve('images'));if(this.options.loader.animate){for(var i=0;i<this.options.loader.animate[1];i++)
img=new Asset.image(this.options.loader.animate[0].replace(/#/,i));if(Browser.Engine.trident4&&this.options.loader.animate[0].contains('png'))
loader.setStyle('backgroundImage','none');}
loader.set('events',{'animate':function(){var loader=this.slideshow.retrieve('loader');var i=(loader.retrieve('i').toInt()+1)%this.options.loader.animate[1];loader.store('i',i);var img=this.options.loader.animate[0].replace(/#/,i);if(Browser.Engine.trident4&&this.options.loader.animate[0].contains('png'))
loader.style.filter='progid:DXImageTransform.Microsoft.AlphaImageLoader(src="'+img+'", sizingMethod="scale")';else
loader.setStyle('backgroundImage','url('+img+')');}.bind(this),'hide':function(){var loader=this.slideshow.retrieve('loader');if(!loader.retrieve('hidden')){loader.store('hidden',true).morph(this.classes.get('loader','hidden'));if(this.options.loader.animate)
$clear(loader.retrieve('timer'));}}.bind(this),'show':function(){var loader=this.slideshow.retrieve('loader');if(loader.retrieve('hidden')){loader.store('hidden',false).morph(this.classes.get('loader','visible'));if(this.options.loader.animate)
loader.store('timer',function(){this.fireEvent('animate');}.periodical(50,loader));}}.bind(this)});this.slideshow.retrieve('loader',loader).fireEvent('hide');},_thumbnails:function(){if(this.options.thumbnails===true)
this.options.thumbnails={};var el=this.slideshow.getElement(this.classes.get('thumbnails'));var thumbnails=(el)?el.empty():new Element('div',{'class':this.classes.get('thumbnails').substr(1)}).inject(this.slideshow);thumbnails.setStyle('overflow','hidden');var ul=new Element('ul',{'tween':{'link':'cancel'}}).inject(thumbnails);this.data.thumbnails.each(function(thumbnail,i){var li=new Element('li').inject(ul);var a=new Element('a',{'events':{'click':function(i){this.go(i);return false;}.pass(i,this),'loaded':function(){this.data.thumbnails.pop();if(!this.data.thumbnails.length){var div=thumbnails.getCoordinates();var props=thumbnails.retrieve('props');var limit=0,pos=props[1],size=props[2];thumbnails.getElements('li').each(function(li){var li=li.getCoordinates();if(li[pos]>limit)limit=li[pos];},this);thumbnails.store('limit',div[size]+div[props[0]]-limit);}}.bind(this)},'href':this.options.hu+this.data.images[i],'morph':$merge(this.options.thumbnails,{'link':'cancel'})}).inject(li);if(this.data.captions[i]&&this.options.titles)
a.set('title',this.data.captions[i].replace(/<.+?>/gm,'').replace(/</g,'&lt;').replace(/>/g,'&gt;').replace(/"/g,"'"));var img=new Asset.image(this.options.hu+thumbnail,{'onload':function(){this.fireEvent('loaded');}.bind(a)}).inject(a);},this);thumbnails.set('events',{'scroll':function(n,fast){var div=this.getCoordinates();var ul=this.getElement('ul').getPosition();var props=this.retrieve('props');var axis=props[3],delta,pos=props[0],size=props[2],value;var tween=this.getElement('ul').get('tween',{'property':pos});if($chk(n)){var li=this.getElements('li')[n].getCoordinates();delta=div[pos]+(div[size]/2)-(li[size]/2)-li[pos]
value=(ul[axis]-div[pos]+delta).limit(this.retrieve('limit'),0);if(fast)
tween.set(value);else
tween.start(value);}
else{var area=div[props[2]]/3,page=this.retrieve('page'),velocity=-0.2;if(page[axis]<(div[pos]+area))
delta=(page[axis]-div[pos]-area)*velocity;else if(page[axis]>(div[pos]+div[size]-area))
delta=(page[axis]-div[pos]-div[size]+area)*velocity;if(delta){value=(ul[axis]-div[pos]+delta).limit(this.retrieve('limit'),0);tween.set(value);}}}.bind(thumbnails),'update':function(fast){var thumbnails=this.slideshow.retrieve('thumbnails');thumbnails.getElements('a').each(function(a,i){if(i==this.slide){if(!a.retrieve('active',false)){a.store('active',true);var active=this.classes.get('thumbnails','active');if(fast)a.get('morph').set(active);else a.morph(active);}}
else{if(a.retrieve('active',true)){a.store('active',false);var inactive=this.classes.get('thumbnails','inactive');if(fast)a.get('morph').set(inactive);else a.morph(inactive);}}},this);if(!thumbnails.retrieve('mouseover'))
thumbnails.fireEvent('scroll',[this.slide,fast]);}.bind(this)})
var div=thumbnails.getCoordinates();thumbnails.store('props',(div.height>div.width)?['top','bottom','height','y']:['left','right','width','x']);var mousemove=function(e){var div=this.getCoordinates();if(e.page.x>div.left&&e.page.x<div.right&&e.page.y>div.top&&e.page.y<div.bottom){this.store('page',e.page);if(!this.retrieve('mouseover')){this.store('mouseover',true);this.store('timer',function(){this.fireEvent('scroll');}.periodical(50,this));}}
else{if(this.retrieve('mouseover')){this.store('mouseover',false);$clear(this.retrieve('timer'));}}}.bind(thumbnails);this.events.mousemove.push(mousemove);document.addEvent('mousemove',mousemove);this.slideshow.store('thumbnails',thumbnails);}});