var Lightbox={init:function(options){this.options=Object.extend({resizeDuration:400,resizeTransition:Fx.Transitions.sineInOut,initialWidth:250,initialHeight:250,animateCaption:true,defaultIframeWidth:500,defaultIframeHeight:300},options||{});if(window.ie6&&document.compatMode=="BackCompat"){this.options.animateCaption=false;}this.anchors=[];$each(document.links,function(el){if(el.rel&&el.rel.test(/^lightbox/i)){el.onclick=this.click.pass(el,this);this.anchors.push(el);}},this);this.eventKeyDown=this.keyboardListener.bindAsEventListener(this);this.eventPosition=this.position.bind(this);this.overlay=(new Element("div")).setProperty("id","lbOverlay").injectInside(document.body);this.center=(new Element("div")).setProperty("id","lbCenter").setStyles({width:this.options.initialWidth+"px",height:this.options.initialHeight+"px",marginLeft:"-"+this.options.initialWidth/2+"px",display:"none"}).injectInside(document.body);this.bottomContainer=(new Element("div")).setProperty("id","lbBottomContainer").setStyle("display","none").injectInside(document.body);this.bottom=(new Element("div")).setProperty("id","lbBottom").injectInside(this.bottomContainer);this.canvas=(new Element("div")).setProperty("id","lbCanvas").injectInside(this.center);this.prevLink=(new Element("a")).setProperties({id:"lbPrevLink",href:"#"}).injectInside(this.bottom);this.nextLink=this.prevLink.clone().setProperty("id","lbNextLink").injectInside(this.bottom);this.prevLink.onclick=this.previous.bind(this);this.nextLink.onclick=this.next.bind(this);(new Element("a")).setProperties({id:"lbCloseLink",href:"#"}).injectInside(this.bottomContainer).onclick=this.overlay.onclick=this.close.bind(this);this.caption=(new Element("div")).setProperty("id","lbCaption").injectInside(this.bottom);this.number=(new Element("div")).setProperty("id","lbNumber").injectInside(this.bottom);(new Element("div")).setStyle("clear","both").injectInside(this.bottom);var nextEffect=this.nextEffect.bind(this);this.fx={overlay:this.overlay.effect("opacity",{duration:500}).hide(),resizeCenter:this.center.effects({duration:this.options.resizeDuration,transition:this.options.resizeTransition,onComplete:nextEffect}),image:this.canvas.effect("opacity",{duration:500,onComplete:nextEffect}),bottom:this.bottomContainer.effect("height",{duration:400,onComplete:nextEffect})};this.preloadPrev=new Image;this.preloadNext=new Image;},click:function(link){if(link.rel.length==8){return this.show(link.href,link.title,link.rev);}var j,itemNumber,items=[];this.anchors.each(function(el){if(el.rel==link.rel){for(j=0;j<items.length;j++){if(items[j][0]==el.href&&items[j][2]==el.rev){break;}}if(j==items.length){items.push([el.href,el.title,el.rev]);if(el.href==link.href&&el.rev==link.rev){itemNumber=j;}}}},this);return this.open(items,itemNumber);},show:function(url,title,rev){return this.open([[url,title,rev]],0);},open:function(items,itemNumber){this.items=items;this.position();this.setup(true);var wh=window.getHeight()==0?window.getScrollHeight():window.getHeight();var st=document.body.scrollTop||document.documentElement.scrollTop;this.top=st+wh/15;this.center.setStyles({top:this.top+"px",display:""});this.fx.overlay.start(0.8);if($("magnifier")){$("magnifier").addClass("hidden");}return this.changeItem(itemNumber);},position:function(){var ww=window.getWidth()==0?window.getScrollWidth()-22:window.getWidth();var wh=window.getHeight()==0?window.getScrollHeight():window.getHeight();var st=document.body.scrollTop||document.documentElement.scrollTop;this.overlay.setStyles({top:st+"px",height:wh+"px",width:ww+"px"});},setup:function(open){var elements=$A(document.getElementsByTagName("object"));if(window.ie){elements.extend(document.getElementsByTagName("select"));}elements.each(function(el){el.style.visibility=open?"hidden":"";});var fn=open?"addEvent":"removeEvent";window[fn]("scroll",this.eventPosition)[fn]("resize",this.eventPosition);document[fn]("keydown",this.eventKeyDown);this.step=0;},keyboardListener:function(event){switch(event.keyCode){case 27:case 88:case 67:this.close();break;case 37:case 80:this.previous();break;case 39:case 78:this.next();default:;}},previous:function(){return this.changeItem(this.activeItem-1);},next:function(){return this.changeItem(this.activeItem+1);},changeItem:function(itemNumber){if(this.step||itemNumber<0||itemNumber>=this.items.length){return false;}this.step=1;this.activeItem=itemNumber;this.bottomContainer.style.display=this.prevLink.style.display=this.nextLink.style.display="none";this.fx.image.hide();this.center.className="lbLoading";this.removeCurrentItem();var url=this.items[this.activeItem][0];var rev=this.items[this.activeItem][2];var re_imageURL=/\.(jpe?g|png|gif|bmp)/i;if(url.match(re_imageURL)){this.preload=new Image;this.preload.datatype="image";this.preload.w=this.matchOrDefault(rev,new RegExp("width=(\\d+%?)","i"),-1);this.preload.h=this.matchOrDefault(rev,new RegExp("height=(\\d+%?)","i"),-1);this.preload.onload=this.nextEffect.bind(this);this.preload.src=url;}else{this.preload=new Object;this.preload.datatype="iframe";this.preload.w=this.matchOrDefault(rev,new RegExp("width=(\\d+)","i"),this.options.defaultIframeWidth);this.preload.h=this.matchOrDefault(rev,new RegExp("height=(\\d+)","i"),this.options.defaultIframeHeight);this.preload.src=url;this.nextEffect();}return false;},nextEffect:function(){switch(this.step++){case 1:this.center.className="";if(this.preload.datatype=="image"){var ws=this.preload.w==-1?this.preload.width.toString():this.preload.w.toString();var hs=this.preload.h==-1?this.preload.height.toString():this.preload.h.toString();this.p_width=(q=ws.match(/(\d+)%/))?q[1]*this.preload.width*0.01:ws;this.p_height=(q=hs.match(/(\d+)%/))?q[1]*this.preload.height*0.01:hs;(new Element("img")).setProperties({id:"lbImage",src:this.preload.src,width:this.p_width,height:this.p_height}).injectInside(this.canvas);this.nextLink.style.right="";}else{this.p_width=this.preload.w;this.p_height=this.preload.h;this.iframeId="lbFrame_"+(new Date).getTime();(new Element("iframe")).setProperties({id:this.iframeId,width:this.p_width,height:this.p_height,frameBorder:0,scrolling:"yes",src:this.preload.src}).injectInside(this.canvas);this.nextLink.style.right="25px";}this.canvas.style.width=this.bottom.style.width=this.p_width+"px";this.canvas.style.height=this.prevLink.style.height=this.nextLink.style.height=this.p_height+"px";this.prevLink.style.height=this.nextLink.style.height="24px";this.caption.setHTML(this.items[this.activeItem][1]||"&nbsp;");this.number.setHTML(this.items.length==1?"":""+(this.activeItem+1)+" / "+this.items.length);if(this.activeItem){this.preloadPrev.src=this.items[this.activeItem-1][0];}if(this.activeItem!=this.items.length-1){this.preloadNext.src=this.items[this.activeItem+1][0];}if(this.center.clientHeight!=this.canvas.offsetHeight){var oh=this.p_height==this.canvas.clientHeight?this.canvas.offsetHeight:eval(this.p_height)+18;this.fx.resizeCenter.start({height:oh});break;}this.step++;case 2:if(this.center.clientWidth!=this.canvas.offsetWidth){var ow=this.p_width==this.canvas.clientWidth?this.canvas.offsetWidth:eval(this.p_width)+18;this.fx.resizeCenter.start({width:ow,marginLeft:-ow/2});break;}this.step++;case 3:this.bottomContainer.setStyles({top:this.top+this.center.clientHeight+("px"),height:"0px",marginLeft:this.center.style.marginLeft,width:this.center.style.width,display:""});this.fx.image.start(1);break;case 4:if(this.options.animateCaption){this.fx.bottom.start(0,this.bottom.offsetHeight+10);break;}this.bottomContainer.style.height=this.bottom.offsetHeight+10+("px");case 5:if(this.activeItem){this.prevLink.style.display="";}if(this.activeItem!=this.items.length-1){this.nextLink.style.display="";}this.step=0;default:;}},close:function(){if(this.step<0){return;}this.step=-1;this.removeCurrentItem();for(var f in this.fx){this.fx[f].stop();}this.center.style.display=this.bottomContainer.style.display="none";this.fx.overlay.chain(this.setup.pass(false,this)).start(0);if($("magnifier")){$("magnifier").removeClass("hidden");}return false;},removeCurrentItem:function(){if(this.preload){if(this.preload.datatype=="image"){$("lbImage").remove();this.preload.onload=Class.empty;}else{$(this.iframeId).remove();}this.preload=null;}},matchOrDefault:function(str,re,val){var hasQuery=str.match(re);return hasQuery?hasQuery[1]:val;}};window.addEvent("domready",Lightbox.init.bind(Lightbox));
function goLightbox(url,caption,rev){Lightbox.show(url,caption,rev);}
function goLightboxGalerie(index){Lightbox.anchors=[];$each(document.links,function(el){if(el.rel&&el.rel.test(/^lightboxGalerie/i)){el.onclick=Lightbox.click.pass(el,Lightbox);Lightbox.anchors.push(el);}},Lightbox);var j,items=[];Lightbox.anchors.each(function(el){for(j=0;j<items.length;j++){if(items[j][0]==el.href&&items[j][2]==el.rev){break;}}if(j==items.length){items.push([el.href,el.title,el.rev]);}},Lightbox);Lightbox.open(items,index);}