<!DOCTYPE html>
<html>
<head>
<SCRIPT TYPE="text/javascript">
function popup(mylink, windowname) {
    if (! window.focus)return true;
    var href;
    if (typeof(mylink) == 'string') href=mylink;
    else href=mylink.href;
    window.open(href, windowname, 'width=400,height=200,scrollbars=yes');
    return false;
}
</SCRIPT>
</head>
<body>

<BODY onLoad="popup('http://www.google.com', 'ad')">

</body>
</html>