Redirection according to roles?

From: TheTraveler (ore.ber_at_gmail.com)
Date: 08/23/05 

Date: 23 Aug 2005 08:55:47 -0700

Hello,

1. where can i place the code which will redirect users, according to
their roles ?

2. is redirection, according to roles accustomed or is there another
mechanizm out there ?

3. can this be done inside Application_AuthenticateRequest funcion on
file: Global.asax ?

4. i want to emphesize that i want to write this code ONLY ONCE. and
not for every page or resource that will be added to the project.

please help me with this one,

Ore.