public function addFacetCondition() { if (!$this->calculateRanges()) { return; } if (Mage::registry('amshopby_facet_added_price')) { $this->_facets = Mage::registry('amshopby_facet_added_price'); } else { parent::addFacetCondition(); Mage::register('amshopby_facet_added_price', $this->_facets); } }