/**
  * lists the companies
  */
 public function getcompaniesAction()
 {
     $this->_initDataTableRequest();
     $sDB = new Companies();
     $where = ' id IN (' . implode(',', $sDB->getLinkedSafinstancesIds($this->safinstancesId)) . ') ';
     $this->view->ResultSet = $sDB->fetchdatatoYUI($where, $this->sort . ' ' . $this->dir, $this->results, $this->startIndex, $this->hidefields);
 }