// <div id="player"></div>
var tag = document.createElement('script');
var firstScriptTag = document.getElementsByTagName('script')[0];
var player;
tag.src = "https://www.youtube.com/iframe_api";
firstScriptTag.parentNode.insertBefore(tag, firstScriptTag);
function onYouTubeIframeAPIReady() {
player = new YT.Player('player', {
width: '560',
height: '315',
videoId: 'r1xohS2u69E'
});
}