/**
  * Query GP for updates. Provides GP with a list of orders. Response may include other orders.
  *
  * @param $orderarray - array of order numbers we want to know the status of from GP.
  * @return mixed - response from GP
  */
 private function getOrdersFromGp($orderarray)
 {
     $gp = new Gorilla_Greatplains_Model_Soap();
     $d = $gp->updateOrder($orderarray);
     return $d->getData();
 }