vedio file is not playing in firefox and it is work in ie what is the problem

i am playing one .wmv file in my asp.net web page it is work fine in IE browser but it is not working in FireFox what is the problem with the following code.

<%@ Page Language="C#" AutoEventWireup="true" CodeFile="vedio.aspx.cs" Inherits="vedio" %>









   

<%-- For Not IE --%>

Video File (Demo)