public static function findSentByPid($intPid, array $arrOptions=array())
	{
		$t = static::$strTable;
		$arrColumns = array("$t.pid=?");

		if (!static::isPreviewMode($arrOptions))
		{
			$arrColumns[] = "$t.sent=1";
		}

		if (!isset($arrOptions['order']))
		{
			$arrOptions['order'] = "$t.date DESC";
		}

		return static::findBy($arrColumns, $intPid, $arrOptions);
	}