function popUpAudio(URL) {
  window.open(URL, 'audioPlayer', 'toolbar=0,scrollbars=0,location=0,statusbar=0,menubar=0,resizable=0,width=850,height=430,left = 50,top = 50');
  return false;
}

function popUpVideo(URL) {
  window.open(URL, 'videoPlayer', 'toolbar=0,scrollbars=0,location=0,statusbar=0,menubar=0,resizable=0,width=988,height=610,left = 50,top = 50');
  return false;
}