Here is a like that will nullify the zoom problem. If you don't like part of it PM me and i'll explain how to get it tuned to your liking. It's even Rockin Robbins approved!!
FYI: the link is in post 2 as I spaced out and forgot it
Edit:and I spaced out again...
http://www.subsim.com/radioroom/showthread.php?t=142335