public function getBasketSimilarList()
    {
        if ($this->_oSimilarList === null) {
            $this->_oSimilarList = false;

            // similar product info
            if ($oProduct = $this->getFirstBasketProduct()) {
                $this->_oSimilarList = $oProduct->getSimilarProducts();
            }
        }

        return $this->_oSimilarList;
    }