function imgPopup(imgSrc,w,h) {
	var features = 'resizable=yes,scrollbars=no,menubar=no,toolbar=no,location=no,width='+w+',height='+h+'';
	var fenster = window.open('leer.php?'+imgSrc, 'imgWindow', features);
	fenster.focus();
}

function popup(url,win,w,h) {
 fenster = window.open(url, win, "width="+w+",height="+h+",top=50 left=20 scrollbars=no resizable=no");
 fenster.focus();
}