/**
  * Constructor
  * @param object $dilps as reference
  */
 function collectionLocal(&$dilps)
 {
     /**
      * for use of $db and $db_prefix in loadImgData
      */
     parent::collection($dilps);
     $sql = 'SELECT * FROM ' . $dilps->db_prefix . 'collection where host = "local" and active = 1';
     $result = $dilps->db->Execute($sql);
     while (!$result->EOF) {
         $this->addCollId($result->fields['collectionid']);
         $result->MoveNext();
     }
 }