By link:
<html>
<head>
<script language="javascript>
<!-- Begin
function popUp(URL) {
day = new Date();
id = day.getTime();
eval("page" + id + " = window.open(URL, '" + id + "', 'toolbar=0,scrollbars=0,location=0,statusbar=0,men ubar=0,resizable=0,width=width,height=height');");
}
// End -->
</script>
</head>
<body>
<A HREF="javascript:popUp('file.php')">Open the Popup Window</A>
</body>
</html>
Automatically:
<html>
<head>
<script language="javascript>
<!-- Begin
function popUp(URL) {
day = new Date();
id = day.getTime();
eval("page" + id + " = window.open(URL, '" + id + "', 'toolbar=0,scrollbars=0,location=0,statusbar=0,men ubar=0,resizable=0,width=width,height=height');");
}
// End -->
</script>
</head>
<body onLoad="javascript:popUp('file.php')">
</body>
</html>