One player support both firefox and explorer without plugin   

Hai all,
In my application i used windows media player to show some clips. But in my 
firefox browser not support it. so,Can any one tell me, which player is used 
in both browser(firefox and explorer) without installing plugin.
If it possible tell me its object id....
Thanks and regards

date: Fri, 19 Sep 2008 04:16:01 -0700   author:   Sham