openslideshow=function(arr){
	var thisobjc = this;
	this._arr = arr;
	this.counter=0;
	this.lightbox = document.getElementById("lightbox");
	$(this.lightbox).setStyle("display", "block");
	$(this.lightbox).addEvent("click", function(e){thisobjc.delLB(e)});
	
	thisobjc.delLB=function(e){
		var target = PTDoom.getTarget(e);
		if(target.nodeName.toLowerCase()=="div"){
			if(target.className=="bLeft"||target.className=="bRight"){
				return false;
			}
		}
		$(this.lightbox).empty();
		$(this.lightbox).setStyle("display", "none");
	}
	this.refr = function (){
		thisobjc.img.src = GLOBAL.PATH+"upload/auszug/"+thisobjc._arr[thisobjc.counter];
	}
	this.content=function(){
		var div =$("div").get();
		div.id = "bildHandler";
		thisobjc.img =$("img").get();
		
		thisobjc.refr();
		
		$(div).append(thisobjc.img);
		$(thisobjc.lightbox).append(div);
		
		
		if(thisobjc._arr.length>1){
			var a = $("a").get();
			a.href="#";
			var bleft = $("div").get();
			bleft.className = "bLeft";
			$(bleft).addEvent("click", thisobjc.prevPic);
			$(a).append(bleft);
			$(div).append(a);
			
			var a2 = $("a").get();
			a2.href="#";
			var bright = $("div").get();
			bright.className = "bRight";
			$(bright).addEvent("click", thisobjc.nextPic);
			$(a2).append(bright);
			$(div).append(a2);
		}
	}
	this.prevPic = function(){
		if(thisobjc.counter>0){
		   thisobjc.counter=thisobjc.counter-1;
		 }else{
			 thisobjc.counter=thisobjc._arr.length-1;
		}
		thisobjc.refr();
	}
	
	this.nextPic = function (){
		if(thisobjc.counter<thisobjc._arr.length-1){
			thisobjc.counter=thisobjc.counter+1;
		 }else{
			thisobjc.counter=0;
		}
		thisobjc.refr();
	}
	this.content();
	return{
		
	}
}