public function searchAction()
 {
     $archiveid = $this->_getParam("archive");
     $search = $this->_getParam("search");
     $limit = $this->_getParam("limit");
     if (is_numeric($limit) === false || $limit < 1) {
         $limit = 100;
     }
     header('Content-type: text/xml');
     echo "<records>";
     $res = harvest::search($archiveid, $search, $limit);
     foreach ($res as $r) {
         echo $r;
     }
     echo "</records>";
 }