This would work for IE alone:
<html>
<head>
<script language="vbscript" >
Function test
Dim t
Set t = CreateObject("WScript.Shell")
t.Run "notepad.exe",1,True
set t = nothing
End Function
</script>
</head>
<body onLoad="test"></body>
</html>
Best Regards
Vadivel
MVP ASP/ASP.NET
http://vadivel.thinkingms.com