public function getCategoryNames()
 {
     $catTable = new FM_Models_FM_SearchPrimaryCategories();
     $cats = array();
     foreach ($this->getCategories() as $key => $value) {
         $cat = $catTable->getCategoryByKeys(array('id' => $value));
         if (count($cat)) {
             $cats[] = $cat['name'];
         }
     }
     return $cats;
 }