http://www.deusx.com/basketball/3pt.html

Somebody at adobe has been screwing with newer players and wmode.

Been using it since it's been available and never had problems in mouse only games. This is not a major one, but you will see that player sometimes disappears for a split second when you click on him right after a release.
Doesn't happen if wmode is not used.

I think I figured out why it does it, will report after a test, but it doesn't make any sense. It's definitelly a bug in adobe's player.