var ie = document.all
		var ns6 = document.getElementById&&!document.all
		
		function ietruebody()
			{ return (document.compatMode!="BackCompat")? document.documentElement : document.body }
		
		function enlarge(which, e, position, imgwidth, imgheight)
		{
			if (imgwidth > 500) 
			{
				if (imgwidth == 0) 
					{ imgwidth = 1 }
				var imgheight = 500 * imgheight / imgwidth
				imgwidth = 500
			}
			if (imgheight > 500) 
			{
				if (imgheight == 0) 
					{ imgheight = 1 }
				var imgwidth = 500 * imgwidth / imgheight
				imgheight = 500
			}
			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()"><img src="images/close_x.jpg"></span></div><img onClick="closepreview()" src="'+which+'" height="'+imgheight+'" width="'+imgwidth+'">'
				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")