try {
		var topVal = 50, leftVal = 50;
		topVal  = (screen.availHeight / 2);
		leftVal = (screen.availWidth / 2);
	}catch(e) {
	}
	
	function ShowLargeImage(filen, width, height, title) {
		try {
			tmpWin = window.open("common/large-img-link-show.php?img=../"+filen+"&w="+width+"&h="+height+"&title="+title, "largeImgWin", "width="+(width+20)+",height="+(height+30)+",top="+(topVal-(height/1.8))+",left="+(leftVal-(width/1.8))+",resizable,scrollbars=no,toolbar=no");
	
		}catch(e) {
			alert("Error displaying image.");
		}
		try {  tmpWin.focus();  }catch(e) {}
	}