function Load($configFilename = '')
 {
     if (!class_exists('SharedMemory')) {
         require_once Configuration::Instance()->GetValue('application', 'gtfw_base') . 'main/lib/gtfw/shared_memory/SharedMemory.class.php';
     }
     if (SharedMemory::Instance()->VarIsSet($configFilename)) {
         $var_name = basename($configFilename, $this->mConfigFilenameBase);
         $res = array($var_name, SharedMemory::Instance()->Get($configFilename));
         return $res;
     } else {
         return array(false, false);
     }
 }