public function deletespecificationAction()
 {
     global $mySession;
     $db = new Db();
     if ($_REQUEST['Id'] != "") {
         $arrId = explode("|", $_REQUEST['Id']);
         if (count($arrId) > 0) {
             foreach ($arrId as $key => $Id) {
                 if ($Id > 1) {
                     $myObj = new Specification();
                     $Result = $myObj->deleteSpecification($Id);
                 }
             }
         }
     }
     exit;
 }