var Lightbox=new Class({Version:0.4,Implements:[Options,Events],options:{rel:'lightbox',speed:400,resize:true,onLoad:$empty,onOpen:$empty,onClose:$empty},initialize:function(options){this.setOptions(options);this.buildAssets();$$('a[rel^='+this.options.rel+']').each(function(image){this.addImage(image);}.bind(this));document.addEvent('click',function(e){if(!e.target.getParents().contains(this.wrap)){for(var 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ie=this.getIeVersion();this.wrap=new Element('div',{styles:{'z-index':10000}}).inject($(document.body));var next=new Image();next.src=this.assets.images.next;var previous=new Image();previous.src=this.assets.images.previous;var close=new Image();close.src=this.assets.images.close;this.assets.elements.next=$(next);this.assets.elements.previous=$(previous);this.assets.elements.close=$(close);this.assets.elements.text=new Element('div');$$(this.assets.elements.next,this.assets.elements.previous,this.assets.elements.close).setStyles({position:'absolute',top:'50%',opacity:.6,cursor:'pointer'});this.assets.elements.next.setStyles({margin:'-25px 0 0 0',right:10});this.assets.elements.previous.setStyles({margin:'-25px 0 0 0',left:10});this.assets.elements.close.setStyles({top:10,right:10,opacity:0});var backgroundColor='';if(ie>8||ie==-1){backgroundColor='rgba(0,0,0,0.6)';}else{backgroundColor='#000';}this.assets.elements.text.setStyles({position:'absolute',bottom:10,left:10,padding:'8px 10px','font-family':'arial','font-size':11,color:'#fff','text-shadow':'0 1px 0 #000','background':backgroundColor,'border-radius':'2px'});this.assets.elements.loading=new Element('div',{styles:{position:'absolute',top:-100,left:-100,height:50,width:50,background:'center url('+this.assets.images.loading+') no-repeat #000',opacity:0,'border-radius':'2px','z-index':10000}}).inject(this.wrap);},getIeVersion:function(){var rv=-1;if(navigator.appName=='Microsoft Internet Explorer'){var ua=navigator.userAgent;var re=new RegExp("MSIE ([0-9]{1,}[\.0-9]{0,})");if(re.exec(ua)!=null)rv=parseFloat(RegExp.$1);}return rv;},startLoading:function(){var viewSize=window.getSize();var viewScroll=window.getScroll();this.assets.elements.loading.setStyles({top:(viewSize.y/2-25),left:(viewSize.x/2-25)});this.assets.elements.loading.fade(.6);},stopLoading:function(){this.assets.elements.loading.fade(0);},loadImage:function(image,callback){var img=new Image();var loadingCords=this.getLinkCords(image);var loading=new Element('div',{'styles':{position:'absolute',top:loadingCords.position.y,left:loadingCords.position.x,width:loadingCords.size.x,height:loadingCords.size.y,background:'center url('+this.assets.images.loading+') no-repeat #000',opacity:0,'z-index':7500}}).inject(this.wrap);var loadingFx=new Fx.Morph(loading,{link:'cancel'});loadingFx.start({opacity:.6});img.onload=function(){this.fireEvent('onLoad',[image]);if(!image.imageElement){image.imageElement=new Element('div');image.imageElement.setStyles({position:'absolute','z-index':9000,opacity:0,height:0,width:0});image.imageElement.inject(this.wrap);image.fx=new Fx.Morph(image.imageElement,{duration:this.options.speed,link:'cancel',transition:Fx.Transitions.Quad.easeInOut});image.width=img.width;image.height=img.height;image.visible=false;$(img).setStyles({width:'100%',height:'100%'});$(img).inject(image.imageElement);}callback();loadingFx.start({opacity:0}).chain(function(){loading.destroy();});}.bind(this);img.src=image.linkElement.get('href');},zoomIn:function(image){var imageCords=this.getPosition(image);var linkCords=this.getLinkCords(image);image.visible=true;image.imageElement.setStyle('z-index',9000);image.fx.start({top:[linkCords.position.y,imageCords.position.y],left:[linkCords.position.x,imageCords.position.x],height:[linkCords.size.y,imageCords.size.y],width:[linkCords.size.x,imageCords.size.x],opacity:1});},zoomOut:function(image){var linkCords=this.getLinkCords(image);image.visible=false;image.fx.start({top:linkCords.position.y,left:linkCords.position.x,height:linkCords.size.y,width:linkCords.size.x,opacity:0});image.imageElement.setStyles({'z-index':8500});this.fireEvent('onClose',[image]);},slideIn:function(image,reverse){var cords=this.getPosition(image);var from;image.visible=true;image.imageElement.setStyles({top:cords.position.y,width:cords.size.x,height:cords.size.y,opacity:0,'z-index':9000});if(reverse){from=cords.position.x-50;}else{from=cords.position.x+50;}image.fx.start({left:[from,cords.position.x],opacity:1});},slideOut:function(image){var cords=this.getPosition(image);image.visible=false;image.imageElement.setStyles({'z-index':8500});image.fx.start({opacity:0});this.fireEvent('onClose',[image]);},getPosition:function(image){var viewSize=window.getSize();var viewScroll=window.getScroll();var windowSize={};windowSize.x=image.width;windowSize.y=image.height;if(viewSize.x<=windowSize.x){windowSize.x=viewSize.x-50;windowSize.y=image.height*(windowSize.x/image.width);}if(viewSize.y<=windowSize.y){windowSize.y=viewSize.y-50;windowSize.x=image.width*(windowSize.y/image.height);}return{size:{x:windowSize.x,y:windowSize.y},position:{x:(viewSize.x/2)-(windowSize.x/2),y:(viewSize.y/2)-(windowSize.y/2)+viewScroll.y}};},getLinkCords:function(image){var children=image.linkElement.getChildren();var cords;if(image.linkElement.getStyle('display')=='inline'&&children.length>0){cords=children[0].getCoordinates();}else{cords=image.linkElement.getCoordinates();}return{size:{x:cords.width,y:cords.height},position:{x:cords.left,y:cords.top}};},attachControls:function(image){if(this.gallerys[image.gallery]){var index=this.gallerys[image.gallery].indexOf(image);var nextImage=(this.gallerys[image.gallery][index+1])?this.gallerys[image.gallery][index+1]:null;var previousImage=(this.gallerys[image.gallery][index-1])?this.gallerys[image.gallery][index-1]:null;}if(nextImage)this.assets.elements.next.inject(image.imageElement);if(previousImage)this.assets.elements.previous.inject(image.imageElement);this.assets.elements.next.removeEvents('click');this.assets.elements.previous.removeEvents('click');this.assets.elements.next.addEvent('click',function(){this.showImage(nextImage);document.removeEvent('keydown',keyboardShortcuts);}.bind(this));this.assets.elements.previous.addEvent('click',function(){this.showImage(previousImage,true);document.removeEvent('keydown',keyboardShortcuts);}.bind(this));image.imageElement.addEvents({'mouseenter':function(){this.assets.elements.next.fade(.6);this.assets.elements.previous.fade(.6);this.assets.elements.close.fade(.6);this.assets.elements.text.fade(1);}.bind(this),'mouseleave':function(){this.assets.elements.next.fade(0);this.assets.elements.previous.fade(0);this.assets.elements.close.fade(0);this.assets.elements.text.fade(0);}.bind(this)});var keyboardShortcuts=function(e){if(e.code==39&&nextImage){this.showImage(nextImage);}else if(e.code==37&&previousImage){this.showImage(previousImage,true);}else if(e.code==27){this.zoomOut(image);}else{return;}e.stop();document.removeEvent('keydown',keyboardShortcuts);}.bind(this);document.addEvent('keydown',keyboardShortcuts);this.assets.elements.close.inject(image.imageElement);this.assets.elements.text.inject(image.imageElement);if(image.linkElement.get('title')!=''&&image.linkElement.get('title')){this.assets.elements.text.setStyle('display','block');this.assets.elements.text.set('html',image.linkElement.get('title'));this.assets.elements.text.fade(1);}else{this.assets.elements.text.setStyle('display','none');}var img=image.imageElement.getElement('img');img.removeEvents('click');$$(img,this.assets.elements.close).addEvent('click',function(){this.zoomOut(image);document.removeEvent('keydown',keyboardShortcuts);}.bind(this));},showImage:function(image,reverse){var visibleImages=[];if(image.visible)return;for(var i=0;i<this.images.length;i++){if(this.images[i].visible){visibleImages.push(this.images[i]);}}if(visibleImages.length>0){this.startLoading();}this.loadImage(image,function(){this.attachControls(image);if(visibleImages.length==0){this.zoomIn(image);}else{this.slideIn(image,reverse);this.stopLoading();}for(var i=0;i<visibleImages.length;i++){this.slideOut(visibleImages[i]);}}.bind(this));this.fireEvent('onOpen',[image]);},addImage:function(element){var rel=element.get('rel');var gallery=rel.match(/\[[\w\S ]*?\]/g);var galleryName='';if(gallery){galleryName=gallery[0];}var image={visible:false,linkElement:element,imageElement:null,gallery:galleryName};this.images.push(image);if(gallery){if(!this.gallerys[galleryName]){this.gallerys[galleryName]=[];}this.gallerys[galleryName].push(image);}image.linkElement.addEvent('click',function(e){e.stop();this.showImage(image);}.bind(this));}});

window.addEvent('domready', function(){
	var lightpop = new Lightbox();
});


























