// JavaScript Document
function previousimage(){
      thisimage--;
      if(thisimage==0){ thisimage = imgnum; }
      if(document.images){ document.images.imagechange.src=eval("image" + thisimage + ".src"); }
    }




function nextimage(){
      thisimage++;
      if(thisimage>imgnum){ thisimage = 1; }
      if(document.images){ document.images.imagechange.src=eval("image" + thisimage + ".src"); }
    }



function showimage(name){
		
	if(document.images){ 
		imgSrc = eval("image" + name + ".src");
		document.images.imagechange.src = imgSrc; 

		thisimage = name; 
		}
	}
	
		
function popBigImage(event){
		if(document.images && thisimage > 0){
			imgSrc = eval("image" + thisimage + "_large.src");	
			//zoomImage(imgSrc);
			return enlarge(imgSrc,event);
		}
		
	}
	
	
function zoomImage(imagepath){
	alert("Zooming Path: " + imagepath);
	
}








var ie=document.all
var ns6=document.getElementById&&!document.all

function ietruebody(){
	return (document.compatMode && document.compatMode!="BackCompat" && !window.opera)? document.documentElement : document.body
}

function enlarge(which, e, position, imgwidth, imgheight){
	if (ie||ns6){
		crossobj=document.getElementById? document.getElementById("showimage") : document.all.showimage
		
		if (position=="center"){
		pgyoffset=ns6? parseInt(pageYOffset) : parseInt(ietruebody().scrollTop)
		horzpos=ns6? pageXOffset+window.innerWidth/2-imgwidth/2 : ietruebody().scrollLeft+ietruebody().clientWidth/2-imgwidth/2
		vertpos=ns6? pgyoffset+window.innerHeight/2-imgheight/2 : pgyoffset+ietruebody().clientHeight/2-imgheight/2
		if (window.opera && window.innerHeight) //compensate for Opera toolbar
		vertpos=pgyoffset+window.innerHeight/2-imgheight/2
		vertpos=Math.max(pgyoffset, vertpos)
		}
		else{
			var horzpos=ns6? pageXOffset+e.clientX : ietruebody().scrollLeft+event.clientX
			var vertpos=ns6? pageYOffset+e.clientY : ietruebody().scrollTop+event.clientY
		}
		crossobj.style.left=horzpos+"px"
		crossobj.style.top=vertpos+"px"
		
		crossobj.innerHTML='<div align="right" id="dragbar"><span id="closetext" onClick="closepreview()">Close</span> </div><img src="'+which+'">'
		crossobj.style.visibility="visible"
		return false
	}
	else //if NOT IE 4+ or NS 6+, simply display image in full browser window
	return true
}

function closepreview(){
	crossobj.style.visibility="hidden"
}

function drag_drop(e){
	if (ie&&dragapproved){
		crossobj.style.left=tempx+event.clientX-offsetx+"px"
		crossobj.style.top=tempy+event.clientY-offsety+"px"
	}
	else if (ns6&&dragapproved){
		crossobj.style.left=tempx+e.clientX-offsetx+"px"
		crossobj.style.top=tempy+e.clientY-offsety+"px"
	}
	return false
}

function initializedrag(e){
	if (ie&&event.srcElement.id=="dragbar"||ns6&&e.target.id=="dragbar"){
	offsetx=ie? event.clientX : e.clientX
	offsety=ie? event.clientY : e.clientY
	
	tempx=parseInt(crossobj.style.left)
	tempy=parseInt(crossobj.style.top)
	
	dragapproved=true
	document.onmousemove=drag_drop
	}
}

document.onmousedown=initializedrag
document.onmouseup=new Function("dragapproved=false")

















//CAUSING PROBLEM IN IE!!!
function xzoomImage(imagepath) {
	var stheight = 500 // default window height
	var stwidth = 500 // default window width
	
	var Bild = new Image();
	Bild.src = imagepath;
	
	var wheight = Bild.height;
	if ( wheight == 0 ) { wheight = stheight; }
	
	var wwidth = Bild.width;
	if ( wwidth == 0 ) { wwidth = stwidth; }
	
	wwidth += 20;
	wheight += 50;
		
	var URL = imagepath;
	var win = window.open(URL,"imageviewer","height="+wheight+",width="+wwidth+",status=no,location=no,menubar=no,toolbar=no");
	
}