JWPlayer Responsive

<script type="text/javascript" src="http://player.longtailvideo.com/jwplayer.js"></script>
<div id='player_847'></div>
<script type='text/javascript'>
  jwplayer('player_847').setup({
    file: "https://grapplerulrich.s3.amazonaws.com/html5video/trailer_1080p.mp4",
    width: "100%",
    height: "100%",
    stretching: "fill",
    flashplayer:"http://player.longtailvideo.com/player.swf"
  });
</script>