theres a little example to help you along, just needs the extra options
adding
--
Regards
John Timney
ASP.NET MVP
Microsoft Regional Director
<html>
<head>
<script language="VB" runat="server">
Sub Page_Load( sender as Object,e as EventArgs)
'Form the script that is to be registered at client side.
Dim scriptString as String = "<script language=JavaScript> function
DoClick() {"
ScriptString +=
"window.open('
http://www.mvps.org','MyWindow','width=500,height=500');}<"
scriptString += "/"
scriptString += "script>"
If(Not IsClientScriptBlockRegistered("clientScript"))
RegisterClientScriptBlock("clientScript", scriptString)
End If
End Sub
</script>
</head>
<body topmargin="20" leftmargin="10">
<form id="myForm" runat="server">
<INPUT id="launchButton" onclick="DoClick();" type="button"
value="Submit" name="myButton" runat="server">
</form>
</body>
</html>