public function GetActiveEndValue()
    {
        $sEndValue = false;
        if (is_array($this->aActiveFilterData) && array_key_exists(self::URL_PARAMETER_FILTER_END_VALUE, $this->aActiveFilterData)) {
            $sEndValue = $this->aActiveFilterData[self::URL_PARAMETER_FILTER_END_VALUE];
        }

        return $sEndValue;
    }