public static function item($property, $code, $byId = false)
	{
		$property_id = self::getPropertyId($property, $byId);
		if(!isset(self::$_items[$property_id]))
			self::loadItems($property_id);
		return isset(self::$_items[$property_id][$code]) ? self::$_items[$property_id][$code] : false;
	}