// JavaScript Document

    <script type="text/javascript">

        function updateHTML(elmId, value) {
          document.getElementById(elmId).innerHTML = value;
        }
        function setytplayerState(newState) {
          updateHTML("playerstate", newState);
        }
        function onYouTubePlayerReady(playerId) {
          ytplayer = document.getElementById("myytplayer");
          setInterval(updateytplayerInfo, 250);
          updateytplayerInfo();
          ytplayer.addEventListener("onStateChange", "onytplayerStateChange");
          ytplayer.addEventListener("onError", "onPlayerError");
        }
        function onytplayerStateChange(newState) {
          setytplayerState(newState);
        }
        function onPlayerError(errorCode) {
          alert("An error occurred: "+ errorCode);
        }
        function updateytplayerInfo() {
          updateHTML("bytesloaded", getBytesLoaded());
          updateHTML("bytestotal", getBytesTotal());
          updateHTML("videoduration", getDuration());
          updateHTML("videotime", getCurrentTime());
          updateHTML("startbytes", getStartBytes());
        }

        // functions for the api calls
        function play() {
          if (ytplayer) {
            ytplayer.playVideo();
          }
        }
        function pause() {
          if (ytplayer) {
            ytplayer.pauseVideo();
          }
        }
        function stop() {
          if (ytplayer) {
            ytplayer.stopVideo();
          }
        }
        function getPlayerState() {
          if (ytplayer) {
            return ytplayer.getPlayerState();
          }
        }
        function seekTo(seconds) {
          if (ytplayer) {
            ytplayer.seekTo(seconds, true);
          }
        }
        function getBytesLoaded() {
          if (ytplayer) {
            return ytplayer.getVideoBytesLoaded();
          }
        }
        function getBytesTotal() {
          if (ytplayer) {
            return ytplayer.getVideoBytesTotal();
          }
        }
        function getCurrentTime() {
          if (ytplayer) {
            return ytplayer.getCurrentTime();
          }
        }
        function getDuration() {
          if (ytplayer) {
            return ytplayer.getDuration();
          }
        }
        function getStartBytes() {
          if (ytplayer) {
            return ytplayer.getVideoStartBytes();
          }
        }
        function mute() {
          if (ytplayer) {
            ytplayer.mute();
          }
        }
        function unMute() {
          if (ytplayer) {
            ytplayer.unMute();
          }
        }
    </script>