ActionScript 3.0 :: Presentation With Videos, Can't Get It Working On Fullscreen

I made a flash presentatsion and because i'm using FlashEff components it has to be in as3. I'm a total newbie in coding, particularly in as3. I have made my presentatsion in as3 before and got everything working fine. This time my presentation contains videos. And this becomes a problem when going on fullscreen mode. My project size is 1024x768, I made a html and use a brauser to open it. I wan't my project to go fullscreen so that there aren't borders. If the stage goes fullscreen i don't want my movies to go fullscreen. When playing a video on fullscreen mode everything just goes black. Soo finally i figured out that i have to tell the videos not to scale.
 
My project is set up as follows:
 
1. MAIN TIMELINE On the first layer i have all the frames converted to movieclips and inside each movieclip is the content. On the as layers first frame i have this code. This is for navicating on the presentatsion slides with arrow keys.
 
stage.addEventListener(KeyboardEvent.KEY_UP, goNextFrame);
function goNextFrame(event:KeyboardEvent):void{if (event.keyCode == Keyboard.UP){this.nextFrame();}}
stage.addEventListener(KeyboardEvent.KEY_DOWN, goPrevFrame);
function goPrevFrame(event:KeyboardEvent):void{if (event.keyCode == Keyboard.DOWN){this.prevFrame();}}
 
2. INSIDE THE MOVIECLIP
 
On each slide there is some content that is called with a mouse click.

//On the fist frame
bg_mc2.addEventListener(MouseEvent.CLICK, playSlide);bg_mc2.buttonMode = true;
function playSlide(event:Event):void{ play();
//On the last frame
stop();
bg_mc2.mouseEnabled = false;

I have tried so many fullscreenmode - don't scale the video codes.I have tried so many ways but every time i play a video i get the typeerror 1009 Can't access a property of method.