On hit enter key, run button on click code

Hey,
MS Access 2003 on XP PRO.

I have a search panel.  It has a few fields to search from.  I have a
button 
that runs the search.

I would like the act of hitting the enter key on the keyboard while in a 
search parameter field to execute the code behind the button, instead of 
merely moving the cursor to the next field.

Anyway to do that?
Thanks
-- 
BlueWolverine
MSE - Mech. Eng.
Go BLUE!