Video's not functioning in Mozilla Firefox....

Issue Summary

Hi friends,

I create a content type called as "Videos" for user uploading their own videos into their profile. After that i select the "Display Field" as,

Teaser : Thickbox: video_thumb image -> Full Size Media

Full node : Thickbox: video_thumb image -> Full Size Media

This settings working fine in "Google Chrome" only. It doesn't work in "IE8", "Mozilla".

How can i resolve this issue.

Please guide me on this issue as soon as possible....

Thanks & Regards
Sarav...