Split form in many pages... better way?

[eluser]Aken[/eluser]
[quote author="CroNiX" date="1341255594"]If you are going to store the previous data in hidden fields, wouldn't that mean you are going to constantly be revalidating the same data, and an ever increasing amount for each step that you progress through?[/quote]

+1 - Do NOT use hidden fields, they can be manipulated. Don't trust your users.