[THIN] MFCom script for Published Desktop/Published App

We're working on a script as we need to determine at logon whether the user
is running a published desktop or a published application.
We've an MFCOM vb script as follows:
-----------------
Set objShell = Wscript.CreateObject("Wscript.Shell")
Set objFarm = CreateObject("MetaFrameCOM.MetaFrameFarm")
objFarm.Initialize 1
For Each objSession In objFarm.Sessions
If objSession.SessionName =
objShell.ExpandEnvironmentStrings("%SessionName%") Then
MsgBox(objSession.AppName)
End If
Next
-----------------

However for this to work the user needs to be a MF Administrator with this
custom permission Applications | Sessions | View Session Management...which
is less than desirable..
Does anybody know any other way of distinguishing between a published
desktop and a published application at logon in a user context?
tia
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Andrew Wood
Sunderland
United Kingdom

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