/**
  * Exports the aggregated results
  *
  * @access public
  */
 function exportAggregatedResults()
 {
     switch ($_POST["export_type"]) {
         case "excel":
             include_once "./Modules/Test/classes/class.ilTestExport.php";
             $exportObj = new ilTestExport($this->object, "aggregated");
             $exportObj->exportToExcel($deliver = TRUE);
             break;
         case "csv":
             include_once "./Modules/Test/classes/class.ilTestExport.php";
             $exportObj = new ilTestExport($this->object, "aggregated");
             $exportObj->exportToCSV($deliver = TRUE);
             break;
     }
 }