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")