/**
* Returns true if given datetime string is within this week
* @param string $dateString
* @param int $userOffset User's offset from GMT (in hours)
* @return boolean True if datetime string is within current week
* @access public
* @link http://book.cakephp.org/view/1472/Testing-Time
*/
function isThisWeek($dateString, $userOffset = null)
{
return parent::isThisWeek($dateString, $this->__userOffset($dateString, $userOffset));
}