Erwin,
Interesting challenge - I think we could replicate this pretty easily
using the lift-wizard:
http://is.gd/516re
Right now, the code in lift-wizard is really really "first pass" and
its something that we plan on working on quite a bit before 1.1.
However, would it be useful for me to put an example together so you
can essentially see how it works?
The general concept with the wizard is to control page flow.
Potentially it needs another name.... lift-pageflow perhaps?
Cheers, Tim
PS: Did you talk to me at Devoxx about this? If so, im really glad you
checked out Lift! If not, sorry, just had a very similar conversation
at the conference ;-)