rocknbil - 4:43 pm on Nov 10, 2011 (gmt 0)

You first have to allow full screen via a parameter from the page, like

your_video_object.addParam("allowFullScreen", "true");

The from within your SWF, code the full screen button to set the stage to full screen.

function fullScreen()
{
Stage.displayState = "fullScreen";
}