anchor.diff:            options.onHidden();
           });
     }
  -  
  +
     if (options.onKeydown) {
       $(this.div).on('keydown', options.onKeydown);
     }
  
positive.code:   $(dialog.div).addClass('video-modal');
  
    dialog.show();
    body.tabs();
    $('.modal-backdrop').addClass('video-backdrop');  // Hack to fix z-index.
  }
  
  
negative.code:   }
    modalBody.append(body);
    this.div.append(modalBody).appendTo($(document.body));
  
    if (options.onHidden) {
      $(this.div).on(
          'hidden.bs.modal',
  