private function _loadPluginsTabs()
 {
     if (!($pluginsTabsData = $this->_helper->cache->load(Helpers_Action_Cache::KEY_PLUGINTABS, Helpers_Action_Cache::PREFIX_PLUGINTABS))) {
         $pluginsTabsData = Tools_Plugins_Tools::getPluginTabContent();
         $this->_helper->cache->save(Helpers_Action_Cache::KEY_PLUGINTABS, $pluginsTabsData, Helpers_Action_Cache::PREFIX_PLUGINTABS, array(), Helpers_Action_Cache::CACHE_LONG);
     }
     return $pluginsTabsData;
 }