function showDesktopNotification(n_title, n_message, n_url) {
      
      var notificationEvents = ['onclick', 'onshow', 'onerror', 'onclose'];

      var title;
      var options;

      //event.preventDefault();

      title = n_title;
      options = {
        body: n_message,
        tag: 'new',
        icon: ''
      };

      Notification.requestPermission(function() {
        var notification = new Notification(title, options);
          notification.onclick = function(){
            window.focus();
            window.open(n_url, '_self');
            this.close();
        };
      });

    }