Hi Peter
My guess is you are running a .SWF from the associated .HTM
page. I further speculate that if you hover the mouse over the
movie, you see a tooltip that indicates you need to press the
Spacebar or click to activate the control.
This is the most wonderful result of the latest update from
Microsoft. They were forced by a court order to do this. A
workaround for Captivate is described in the thread linked below:
Click
here to read the thread
Cheers... Rick