hi all

I've tried the following html tags and it's not working, can anyone help me out..
i've downloaded a youtube video and i want to display it on page.

Code:
<!DOCTYPE html>
<html>
<body>


<video width="320" height="240" controls="controls">
    <source src="myvideo.flv" type="video/mp4" />
	
</video>
</body>
</html>
on chrome the video don't run and on firefox it says 'no video with supported format and MIME type found'
thanks in advance..