No purchase necessary. Void where prohibited. Must be 18 years of age and U.S. resident to enter. Only one entry per physical address, e-mail address or person is allowed for each week (measured from Sunday to Saturday) of the Sweepstakes Period. In order to be eligible for a Prize, entries for the week must be received before 11:59:59PM (CT) on the Saturday preceding the weekly Prize drawing. Sweepstakes ends January 3, 2009.