public function formatDateTime($timestamp,$dateWidth='medium',$timeWidth='medium')
	{
		if(!empty($dateWidth))
			$date=$this->format($this->_locale->getDateFormat($dateWidth),$timestamp);

		if(!empty($timeWidth))
			$time=$this->format($this->_locale->getTimeFormat($timeWidth),$timestamp);

		if(isset($date) && isset($time))
		{
			$dateTimePattern=$this->_locale->getDateTimeFormat();
			return strtr($dateTimePattern,array('{0}'=>$time,'{1}'=>$date));
		}
		elseif(isset($date))
			return $date;
		elseif(isset($time))
			return $time;
	}