Did you have further questions? It seems as though sknake answered the question quite completely but you didn't mark the thread as solved. If you just mean add variables he put it right out there, what were you adding specifically?
No one has posted to this discussion for at least three months. Please let old threads die and do not reply to them unless you feel you have something new and valuable to contribute that absolutely must be added to make the discussion complete. Otherwise, please start a new thread in this forum instead.