public function getActiveCategory()
    {
        if ($this->_oActCategory === null) {
            $this->_oActCategory = false;
            if (($oManufacturerTree = $this->getManufacturerTree())) {
                if ($oManufacturer = $this->getActManufacturer()) {
                    $this->_oActCategory = $oManufacturer;
                }
            }
        }

        return $this->_oActCategory;
    }