debugging modal dlg boxes

[Charles Hartman]

I know this is a dumb question -- but I'm having a hard time  
debugging a modal dialog box. What am I missing?

When the box is full, the "Done" button processes its data (and sends  
it off to a MySQL database). But debugging the mouseUp script for  
that button isn't working -- because when I try to stop at a  
breakpoint in it, though the script does stop, I can't click in it,  
or in anything else at all: menus, message box, the Done button  
itself . . . so there's nothing to do but Force Quit, which doesn't  
exactly give me the information I need for debugging.

Is there some method for debugging modals that I don't know about?  
Can't find anything in the docs . . .

Charles Hartman