gistfile1.txt

<script>
    <!--
    $('#you').before("<iframe src='http://www.youtube.com/embed/y9tyxrg0rxg' id='ytplayer' type='text/html' width='100%' height='500' frameborder='0'/>");
    
    var id = setInterval(function() {
        $('#ytplayer').attr({
            'width': '100%',
            'height': '500'
        });
        
        setTimeout(function() {
            if ($('#ytplayer').attr('width') == '100%')
                clearInterval(id);
        }, 2000);
    }, 30);
    -->
</script>
    <div id="you"></div>