text: pageflow.app.addInitializer(function(options) {
    var KEY_A = 65;
    var KEY_X = 88;
  
    $(document).on('keydown', function(event) {
      if (event.altKey && event.which === KEY_A) {
        if (pageflow.atmo.disabled) {
          pageflow.atmo.enable();
        }
        else {
          pageflow.atmo.disable();
        }
      }
      else if (event.altKey && event.which === KEY_X) {
        pageflow.editor.navigate('pages/' + pageflow.slides.currentPage().data('id'), {trigger: true});
      }
    });
  });