public function hasVisibleSubCats()
    {
        if ($this->_blVisibleSubCats === null) {
            $this->_blVisibleSubCats = false;
            if (($this->_getVendorId() && $oVendorTree = $this->getVendorTree())) {
                if (($oVendor = $this->getActVendor())) {
                    if ($oVendor->getId() == 'root') {
                        $this->_blVisibleSubCats = $oVendorTree->count();
                        $this->_oSubCatList = $oVendorTree;
                    }
                }
            }
        }

        return $this->_blVisibleSubCats;
    }