<html>
<head>
<title>Popup-Fenster mit JavaScript</title>
<script type="text/javascript">
function popup (url) {
fenster = window.open(url, "Popupfenster", "width=400,height=300,resizable=yes");
fenster.focus();
return false;
}
</script>
</head>
<body>
<p><a href="popupfenster.htm" target="_blank" onclick="return popup(this.href);">Fenster anzeigen</a></p>
</body>
</html>