This game doesn't work for me in Firefox or IE... I see a block but it doesn't move and I can't move it. What now? EDIT: Aha! It only breaks if I enter a Twitt

This game doesn't work for me in Firefox or IE... I see a block but it doesn't move and I can't move it. What now? EDIT: Aha! It only breaks if I enter a Twitter username. EDIT2: Nevermind. It stops working after awhile. The score moves, but I see no new pieces.