Fullscreen Youtube Background

page.html

<script src="http://www.youtube.com/player_api"></script>
<div id="player"></div>

video.js

var player;

function onYouTubePlayerAPIReady() {
    player = new YT.Player('player', {
        playerVars: {
            'autoplay': 1,
            'controls': 0,
            'autohide': 1,
            'wmode': 'opaque',
            'showinfo': 0,
            'loop': 1,
            'mute': 1,
            //'start': 15,
            //'end': 110,
            'playlist': 'NQKC24th90U'
        },
        videoId: 'NQKC24th90U',
        events: {
            'onReady': onPlayerReady
        }
    });

}

function onPlayerReady(event) {
    event.target.mute();
}