Dieser Code muss zwischen <head>..und..</head>
eingefügt werden
<script language="JavaScript">
<!--
function neuesfenster()
{
top.name = "main_window";
var popupURL = "fenster.html";
var popup = window.open(popupURL,"neuesfenster",'
toolbar=0,location=0,directories=0,
status=0,menubar=0,
scrollbars=0,resizable=0,width=200,height=400');
if( navigator.appName.substring(0,
== "Netscape" )
{
popup.location = popupURL;
popup.opener = self;
}
}
// -->
</script>