Hi all, Here are the documents about the activity manager and recommendation manager I promissed. I'm not sure how understandable those are - I tried not to be too scientific about the whole thing (esp the RM) so I guess I haven't achieved neither normal nor scientific language here :] http://poincare.math.rs/~ivan/files/contour/ Cheers -- Progress isn't made by early risers. It's made by lazy men trying to find easier ways to do something. -- Robert Heinlein