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

function enlarge(which, e, position, imgwidth, imgheight){
	var ie=document.all
	var ns6=document.getElementById&&!document.all
	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()"></span> </div><img src="'+which+'" height="221">'
		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"
}