I hate math!!!

Have anybody any math formula to do this motion:

I have one spot(button) on stage. When i click on it, I want
to zoom in on that spot to 200% and move that spot into center of the stage. all that at e.g. 10 steps (onClipEvent(enterFrame))

P.S. this is map with some hot spots to zoom in
P.P.S all spots are in movie _root.map

Thanks in advance