case 'getSigners':
     if (isset($_GET['searchMode'])) {
         $searchMode = $_GET['searchMode'];
     } else {
         $searchMode = '';
     }
     if (isset($_GET['limit'])) {
         $limit = $_GET['limit'];
     } else {
         $limit = '';
     }
     $q = $_GET['q'];
     $q = str_replace(" ", "+", $q);
     $q = str_replace("&", "%", $q);
     $signature = new Signature();
     $signerArray = $signature->search($q);
     echo implode("\n", $signerArray);
     break;
     //used for autocomplete of provider names (from organizations module)
 //used for autocomplete of provider names (from organizations module)
 case 'getOrganizations':
     if (isset($_GET['searchMode'])) {
         $searchMode = $_GET['searchMode'];
     } else {
         $searchMode = '';
     }
     if (isset($_GET['limit'])) {
         $limit = $_GET['limit'];
     } else {
         $limit = '';
     }