title: JW Player does not work on Firefox not playing MP4 videos
body: <p>I am trying to use JW player so that it can play MP4 videos on Firefox but the problem is that it does not playing MP4 on firefox on the other hand it correctly working on Chrome and IE9 here is my code</p>
  
  <pre><code>&lt;!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN"    "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd"&gt;
  &lt;html xmlns="http://www.w3.org/1999/xhtml"&gt;
  &lt;head&gt;
  &lt;meta http-equiv="Content-Type" content="text/html; charset=utf-8" /&gt;
  &lt;title&gt;Jw player&lt;/title&gt;
  &lt;script src="http://jwpsrv.com/library/gQaACr0fEeKPFCIACqoQEQ.js"&gt;&lt;/script&gt;
  &lt;/head&gt;
  
  &lt;body&gt;
  &lt;div id='my-video'&gt;&lt;/div&gt;
  &lt;script type='text/javascript'&gt;
      jwplayer('my-video').setup({
          file: 'http://content.bitsontherun.com/videos/lWMJeVvV-364767.mp4',
          image: 'http://www.longtailvideo.com/content/images/jw-player/lWMJeVvV-876.jpg',
          width: '640',
          height: '360'
      });
  &lt;/script&gt;
  
  &lt;/body&gt;
  &lt;/html&gt;
  </code></pre>