Full screen mode only works when the movie is in an i f r a m e and you'd have to bypass all the code injection protection to get it to work.

I tried responding when you posted this but the board wouldn't let me post certain words and then locked me out from posting at all. It's a tad overzealous in that department at times ;)

That's a shame I do thank you very much bubba for the reply considering it's an older thread. I'm just praying Google do not change stuff their end so your hack stops working