Hi -- I'm using CS3 (newish to CS3). Been fine for weeks, suddenly when I go into a new composition and I choose the arrow tool, I get a tiny crosshair instead. The crosshair only draws a box in my composition that masks everything outside of the box. The box seems to be a viewing tool or something as it is completely independed of history / redo / undo queue. How do I get rid of this silly box, and reliably get my arrow tool back! Thank you!