Is the some HTML or whatever to completely hide the controls on a video when playing?

I'm using Camtasia to output (2) ways...

1. I can go straight .MP4 and then do the drag on to a Xara page.

2. I can output HTML video and then embed the iframe code

In Camtasia's output I can choose to 'no controls' but Xara (I think) uses its own player which puts them back in on a rollover...

Thanks