Javascript Example
Screen shot
Javascript popup window
<html>
<head>
<title>Javascript example</title>
<script language=\'javascript\' type=\'text/javascript\'>
function popup()
{
window.open(\'http://www.ittrainingonline.co.in\',\'mywindow\',
\'toolbar=0,menubar=0,height=300,width=200,status=1,scrollbars=1,resizable=1,left=0,top=0\');
}
</script>
</head>
<body>
<input name=\"btn\" type=\"button\" onclick=\"popup()\" value=\"popup window\" />
</body>
</html>

You can download source code here