document.addEventListener( "click", function( event ) {

  var targetElement = event.target;

  //Some browsers use an element as the target, some use the text node inside
  if ( targetElement.nodeName === "A" || targetElement.parentNode && targetElement.parentNode.nodeName === "A" ) {
    Popcorn.instances.forEach( function( video ) {
      if ( video.options.muteOnLinkClicked ) {
        video.mute();
      }
    });
  }
}, false );