	//popup window functions
	var zoomWin;
	function closeZoomWin() {
		if(zoomWin != null && !zoomWin.closed){
			zoomWin.close();		
		}
	}
	
	function openZoomWin(aUrl,w,h){
		closeZoomWin();
		//params = '"resizable=1,location=0,status=0,menubar=0,toolbar=1,scrollbars=1,width=' + w + ',height=' + h + ',left=0,top=0,screenX=0,screenY=0"';
		params = "toolbar=no,location=no,directories=no,status=no,menubar=no," + "scrollbars=yes,resizable=yes,width=" + w + ",height=" + h + ",left=0,top=30,screenX=0,screenY=30";
		zoomWin = open("", "zoomwindow", params);
		zoomWin.document.write("<html><head><title>Enlarged View</title>");
		zoomWin.document.write("<body leftmargin=0 topmargin=0 rightmargin=0 bottommargin=0><center>");
		zoomWin.document.write("<table width=100% border=0 align=center cellpadding=0 cellspacing=0><tr><td width=100% align=center valign=middle class=zoomimage>");
		zoomWin.document.write("<img src=" + aUrl + ">");
		zoomWin.document.write("</td></tr></table>");
		zoomWin.document.write("</center></body></html>");
	}	

