(function(api,$){
  if(!api || !api.previewer){ return; }

  api('bongoto_selected_homepage_id', function(value){
    value.bind(function(newVal){
      var id = parseInt(newVal, 10);
      if(window.BONGOTO_HOME_PREVIEW && window.BONGOTO_HOME_PREVIEW.urls && window.BONGOTO_HOME_PREVIEW.urls[id]){
        api.previewer.previewUrl.set(window.BONGOTO_HOME_PREVIEW.urls[id]);
        api.previewer.refresh();
      }
    });
  });
})(wp.customize, jQuery);