function openPopup(img, width, height) {
	if (img && width && height) {
		width = Math.min(width, 800);
		height = Math.min(height, 600);
		//alert(img);
		var popUp = window.open("http://ppp.v3-labs.de/"+img,"popUp","toolbar=no,location=no,directories=no,status=no,scrollbars=yes,resizable=yes,copyhistory=no,width=" + width + ",height=" + height);
	}
	return;
}