var saveX = 0;
var saveY = 0;
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/8-imgheight/8 : pgyoffset+ietruebody().clientHeight/8-imgheight/8;
			if (window.opera && window.innerHeight) //compensate for Opera toolbar
				vertpos=pgyoffset+window.innerHeight/8-imgheight/8;
			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;
		}
		if ((saveX != 0) && (saveY != 0)){
			horzpos = saveX;
			vertpos = saveY;
		}
		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 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")