Very strange -- Have a completed site, but suddenly the hit area for the buttons doesn't seem to match up with what is in the Hit frame for each button.
I have 5 buttons that work right and 3 that do not.
Just so you know, I'm not a Flash newbie -- so don't presume you're just going to open up the button and draw a square in the Hit frame -- there's already one there.
That being said, if you are good at troubleshooting, please feel free to bid. I need someone who can take a look right away!