.ogg and .webm video file not playing in firefox 6 through html5 video tag

here below are my codes i used:

The page works fine on Google Chrome, Safari and Opera browser but i cant get the video to play in firefox 6 and IE 9. can anyone please say what is wrong? I thought that .ogg file is compatible with firefox b开发者_如何学Gout still the video dont play at all.

here is my site: http://pages.intnet.mu/taoravi

Check the server headers:

It's worth re-emphasizing for the time being, that if the MIME types for Theora video are not set on the server, the video may not show or show a gray box containing an X (if JavaScript is enabled).

from https://developer.mozilla.org/En/HTML/Element/Video#Server_support