Edge animate - You tube video does not support in Mozilla Firefox ?

Hi,

I have embed below code in edge animate for youtube video in browser. This code is work fine in IE, Chrome, and other browser. But this code does not work in Mozilla firefox.

Here is code:

var youtubevid = $("<iframe/>");

sym.$("vcontainer").append(youtubevid);

youtubevid.attr('type','text/html');

youtubevid.attr('width','425');

youtubevid.attr('height','350');    

youtubevid.attr('src','http://www.youtube.com/embed/ZHUjDWpHJvU');  // url/Video_Id

youtubevid.attr('frameborder','0');       // 1 | 0   

youtubevid.attr('allowfullscreen','0');   // 1 | 0

PLz help me...

Thanks

Susanta Kumar Muduli