region codes and DVD players

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Joined: 12/24/2005

Does anyone know of a program that supports most regions used for DVDs?
I have an iBook G4 purchased in may 2005 it reads different codes but you are only allowed to change the region 5 times, I would like to be able to use a program that can ignore the region since i have DVDs from region1 and 2 and would like to watch them without worrying about the changing limit.