<script type='text/javascript' src='/jwplayer/jwplayer.js'></script>

<div id='mediaplayer'></div>

<script type="text/javascript">
  jwplayer('mediaplayer').setup({
    'flashplayer': 'player.swf',
    'id': 'playerID',
    'width': '480',
    'height': '270',
    'file': 'sintel-sd.mp4',
    'image': '/thumbs/sintel.jpg',
    'streamer': 'rtmp://example.com/_definst_',
    'plugins': {
       'hd-2': {
           'file': 'sintel-hd.mp4',
           'fullscreen': 'true'
       }
    }
  });
</script>