updatePopupMessage;
    }
    @-webkit-keyframes updatePopupMessage {
      0% { opacity: 0; }
      20% { opacity: 1; }
      90% { opacity: 1; }
      100% { opacity: 0; }
    }
    
    @keyframes updatePopupMessage {
      0% { opacity: 0; }
      20% { opacity: 1; }
      90% { opacity: 1; }
      100% { opacity: 0; }
    }
  </style>
  <script>
    $(function() {
      // This is just an animation for popup callback, 
      // Not part of popup functionality.
      $("#popupMessageTarget").on("webkitA