public function activate($id)
 {
     $S = new Template($id);
     $S->changeA("aktiv", "1");
     $this->addAssocV3("aktiv", "=", "1");
     $this->addAssocV3("templateType", "=", $S->getA()->templateType);
     while ($t = $this->getNextEntry()) {
         $t->changeA("aktiv", "0");
         $t->saveMe();
     }
     $S->saveMe();
 }