I have an app that forces Windows Auth.  I'll describe below the set up, I want to be able to modifiy my menu based on the AD group that the logged in user is in.  I have 2 groups allowed into the app at all, 1 group needs to see certain pages and the other group needs to see other pages (with some overlap). 
I basically want to know from a web forms code behind what group they are in so I can act accordingly, is this possible???
I'm successfully using "Page.User.Identity.Name" to get the logged in user, just now need to know if there are in a specific AD group or not...

<authorization> <allow roles="ADGroup1, ADGroup2" /> <deny users="*" /> </authoriz ...

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