Add products newer than 3 weeks to a category

		if((in_array($filter['operator'],array('<=','>=','<','>')) && !preg_match('/^(?:\d+|\d*\.\d+)$/',$filter['value']))){
			echo JText::_('WRONG_VALUE').' - ';
			return '1 = 2';
		}

		if((in_array($filter['operator'],array('<=','>=','<','>')) && !preg_match('/^(?:\d+|\d*\.\d+)$/',$filter['value']))){
			if(strpos($filter['value'],'{time}') !== false){
				$query = new HikaShopQuery();
				$filter['value'] = $query->_replaceDate($filter['value']);
				$filter['value'] = strftime('%Y-%m-%d %H:%M:%S',$filter['value']);
			} else {
				echo JText::_('WRONG_VALUE').' - ';
				return '1 = 2';
			}
		}