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<video id="MY_VIDEO_1" class="video-js vjs-default-skin" controls
 preload="auto" width="850" height="480" poster="MY_VIDEO_POSTER.jpg"
 data-setup="{}">
 <source src="" type='video/mp4'>
 <source src="MY_VIDEO.webm" type='video/webm'>
 <p class="vjs-no-js">To view this video please enable JavaScript, and consider upgrading to a web browser that <a href="http://videojs.com/html5-video-support/" target="_blank">supports HTML5 video</a></p>
</video>