public static function GetArray($sKey, $sKeyInArray, $mDefault = false){
            $oThis = self::CreateInstanceIfNotExists();
            return (array_key_exists($sKey, $oThis->aList)) ? ((array_key_exists($sKeyInArray, $oThis->aList[$sKey]) ? $oThis->aList[$sKey][$sKeyInArray] : $mDefault)) : $mDefault;
        }