// Lightbox 1.6, Extended version of Slimbox with some fixes for Mootools 1.2 by Aeron Glemann. Copyright (c) 2007 Samuel Birch <http://phatfusion.net>, MIT Style License.

var Lightbox=new Class({
   Implements:[Events,Options],
   options:{
      resizeDuration:400,
      resizeTransition:Fx.Transitions.Sine.easeInOut,
      initialWidth:250,
      initialHeight:250,
      animateCaption:{
         In:true,
         Out:true
      },
      showControls:true,
      showNumbers:true,
      descriptions:true,
      opacity:0.8,
      onClose:$empty,
      onOpen:$empty
   },
   initialize:function(A){
      this.setOptions(A);this.options.container=document.body;this.anchors=[];$$("a[rel]").each(function(C){
         if(C.rel.test(/^lightbox/i)){
            C.onclick=this.click.pass(C,this);this.anchors.push(C)
            }
         },this);this.eventPosition=this.position.bind(this);this.overlay=new Element("div").set("id","lbOverlay").inject(this.options.container);this.center=new Element("div").set("id","lbCenter").setStyles({
         width:this.options.initialWidth+"px",
         height:this.options.initialHeight+"px",
         marginLeft:"-"+(this.options.initialWidth/2)+"px",
         display:"none"
      }).inject(this.options.container);this.image=new Element("div").set("id","lbImage").inject(this.center);this.bottomContainer=new Element("div").set("id","lbBottomContainer").setStyle("display","none").inject(this.options.container);this.bottom=new Element("div").set("id","lbBottom").inject(this.bottomContainer);if(this.options.showControls){
         this.controlDiv=new Element("div").set("id","lbControls").inject(this.bottom)
         }else{
         this.controlDiv=this.image
         }this.prevLink=new Element("a").setProperties({
         id:"lbPrevLink",
         href:"#"
      }).setStyle("display","none").inject(this.controlDiv);this.nextLink=this.prevLink.clone().set("id","lbNextLink").inject(this.controlDiv);this.prevLink.onclick=this.previous.bind(this);this.nextLink.onclick=this.next.bind(this);this.closeButton=new Element("a").setProperties({
         id:"lbCloseLink",
         href:"#"
      }).inject(this.bottom);
      this.closeButtonim=new Element("img").setProperties({
         src:"/modules/slideshow2gal/css/closelabel.gif"
      }).setStyle("right","10px").setStyle("position","absolute").inject(this.bottom);
      this.closeButtonim.onclick=this.overlay.onclick=this.close.bind(this);this.caption=new Element("div").set("id","lbCaption").inject(this.bottom);if(this.options.descriptions!=false){
         this.options.descriptions=$$(this.options.descriptions);this.description=new Element("div").set("id","lbDescription").inject(this.bottom)
         }if(this.options.showNumbers){
         this.number=new Element("div").set("id","lbNumber").inject(this.bottom)
         }new Element("div").setStyle("clear","both").inject(this.bottom);var B=this.nextEffect.bind(this);this.fx={
         overlay:new Fx.Tween(this.overlay,"opacity",{
            duration:500
         }),
         resize:new Fx.Morph(this.center,{
            duration:this.options.resizeDuration,
            transition:this.options.resizeTransition,
            onComplete:B
         }),
         image:new Fx.Tween(this.image,"opacity",{
            duration:500,
            onComplete:B
         }),
         bottom:new Fx.Tween(this.bottom,"margin-top",{
            duration:400,
            onComplete:B
         })
         };this.overlay.fade("hide");this.preloadPrev=new Image();this.preloadNext=new Image();return this
      },
   click:function(D){
      if(this.options.descriptions!=false){
         this.options.descriptions.each(function(F,E){
            if(F.hasClass(D.id)){
               this.linkLoc=E
               }
            },this)
         }if(D.rel.length==8){
         return this.show(D.href,D.title)
         }var C,B,A=[];this.anchors.each(function(E){
         if(E.rel==D.rel){
            for(C=0;C<A.length;C++){
               if(A[C][0]==E.href){
                  break
               }
               }if(C==A.length){
               A.push([E.href,E.title]);if(E.href==D.href){
                  B=C
                  }
               }
            }
         },this);return this.open(A,B)
      },
   show:function(A,B){
      return this.open([[A,B]],0)
      },
   open:function(A,B){
      this.images=A;this.position();this.setup(true);this.top=window.getScrollTop()+(window.getHeight()/15);this.window={};this.window.height=window.getScrollHeight();this.window.width=window.getScrollWidth();this.window.top=window.getScrollTop();this.window.left=window.getScrollLeft();this.center.setStyles({
         top:this.top+"px",
         display:""
      });this.overlay.fade(this.options.opacity);this.fireEvent("onOpen");return this.changeImage(B)
      },
   position:function(){
      if(this.options.container==document.body){
         var B=window.getScrollHeight()+"px";var A=window.getScrollWidth()+"px";this.overlay.setStyles({
            top:"0px",
            height:B,
            width:A
         })
         }else{
         var C=this.options.container.getCoordinates();this.overlay.setStyles({
            top:C.top+"px",
            height:C.height+"px",
            left:C.left+"px",
            width:C.width+"px"
            })
         }
      },
   setup:function(A){
      var C=$A(document.getElementsByTagName("object"));if(window.ie){
         C.extend(document.getElementsByTagName("select"))
         }C.each(function(D){
         D.style.visibility=A?"hidden":""
         });var B=A?"addEvent":"removeEvent";window[B]("scroll",this.eventPosition)[B]("resize",this.eventPosition);this.step=0
      },
   previous:function(){
      this.linkLoc--;return this.changeImage(this.activeImage-1)
      },
   next:function(){
      this.linkLoc++;return this.changeImage(this.activeImage+1)
      },
   changeImage:function(A){
      if(this.step||(A<0)||(A>=this.images.length)){
         return false
         }this.step=1;this.activeImage=A;if(this.options.animateCaption.In&&this.bottom.offsetHeight){
         this.prevLink.style.display=this.nextLink.style.display="none";this.bottom.set("tween",{
            duration:300,
            onComplete:this.loadImage.bind(this)
            }).tween("margin-top",-this.bottom.offsetHeight)
         }else{
         this.bottomContainer.style.display=this.prevLink.style.display=this.nextLink.style.display="none";this.loadImage()
         }this.image.fade("hide");this.center.className="lbLoading";return false
      },
   loadImage:function(){
      this.preload=new Image();this.preload.onload=this.nextEffect.bind(this);this.preload.src=this.images[this.activeImage][0]
      },
   nextEffect:function(){
      switch(this.step++){
         case 1:this.center.className="";this.image.style.backgroundImage="url("+this.images[this.activeImage][0]+")";this.image.style.width=this.bottom.style.width=this.preload.width+"px";if(this.options.showControls){
            this.image.style.height=this.preload.height+"px"
            }else{
            this.image.style.height=this.prevLink.style.height=this.nextLink.style.height=this.preload.height+"px"
            }this.caption.set("html",this.images[this.activeImage][1]||"");if(this.options.descriptions!=false){
            if(this.description.getFirst()){
               this.description.getFirst().remove()
               }var B=this.options.descriptions[this.linkLoc].clone();B.setStyle("display","block").inject(this.description)
            }if(this.options.showNumbers){
            this.number.set("html",(this.images.length==1)?"":"Image "+(this.activeImage+1)+" of "+this.images.length)
            }if(this.activeImage){
            this.preloadPrev.src=this.images[this.activeImage-1][0]
            }if(this.activeImage!=(this.images.length-1)){
            this.preloadNext.src=this.images[this.activeImage+1][0]
            }if(this.center.clientHeight!=this.image.offsetHeight){
            this.fx.resize.start({
               height:this.image.offsetHeight
               });break
         }this.step++;case 2:if(this.center.clientWidth!=this.image.offsetWidth){
            this.fx.resize.start({
               width:this.image.offsetWidth,
               marginLeft:-this.image.offsetWidth/2
               });break
         }this.step++;case 3:this.bottomContainer.setStyles({
            top:(this.top+this.center.clientHeight)+"px",
            height:"30px", //PT
            marginLeft:this.center.style.marginLeft,
            display:""
         });this.image.fade("in");var A=this.caption.getStyle("height").toInt();if(this.options.descriptions!=false){
            A+=this.description.getStyle("height").toInt()
            }if(this.options.showControls){
            A+=this.controlDiv.getStyle("height").toInt()
            }if(this.options.showNumbers){
            A+=this.number.getStyle("height").toInt()
            }var C=(A-(this.closeButton.getStyle("height").toInt()*2));if(C<0){
            C=0
            }this.closeButton.setStyle("marginTop",C+"px");if(this.activeImage!=0){
            this.prevLink.style.display=""
            }if(this.activeImage!=(this.images.length-1)){
            this.nextLink.style.display=""
            }break;case 4:if(this.options.animateCaption.Out){
            this.fx.bottom.set(-this.bottom.offsetHeight);this.bottomContainer.style.height="";this.fx.bottom.start(0);break
         }this.bottomContainer.style.height="50";case 5:this.step=0
            }
      },
   close:function(){
      if(this.step<0){
         return
      }this.step=-1;if(this.preload){
         this.preload.onload=$empty;this.preload=null
         }for(var A in this.fx){
         this.fx[A].cancel()
         }this.center.style.display=this.bottomContainer.style.display="none";this.overlay.fade("out");this.setup.pass(false,this);this.overlay.setStyles({
         height:this.window.height+"px",
         width:this.window.width+"px"
         });this.fireEvent("onClose");return false
      }
   });