Function InstallSMS()
   ; Create global groups in each OU using the naming format "OUname_NO_SMS"
   ; Add computers to these groups that do not get SMS
   
   Dim $Install_SMS
   $Install_SMS = 1
   
   $oComputer = GetObject("WinNT://domain/" + @wksta + "$" + ",user")
   $GrpArray =  $oComputer.Groups
   For Each $grp In $GrpArray
       if Right($grp,6) = "NO_SMS"
       	$Install_SMS = 0
       endif
   Next
   
   If $Install_SMS
   	;do something...
   Endif
Endfunction