="msgSound1">
  <source src="beep.mp3" type="audio/mpeg">
</audio>

    <script type="text/javascript">/*<![CDATA[*/
    // audio play /*
      var msgAudioEl = document.getElementById("msgSound");

      var playMsgInt = setInterval(function () {
        if (isPlaying(msgAudioEl)) {
          // console.log('already playing. clearing interval');
          clearInterval(playMsgInt);
        } else {
          // console.log('Triggering play');
          msgAudioEl.play();
        }
      }, 500);
      // a