This week's book giveaway is in the OCPJP forum. We're giving away four copies of OCA/OCP Java SE 7 Programmer I & II Study Guide and have Kathy Sierra & Bert Bates on-line! See this thread for details.
I'm using a servlet as controller for redirect pages. The user login with a form that will be redirect for a jsp. Within in this jsp, there are several menu that is controlled with servlet parameters.