public function insert($userid, $createddate, $expiredate, $resetdate, $isdelete)
 {
     //echo global_common::EXPIRE_RESET_DAYS;
     //echo global_common::addDays(global_common::nowSQL(),global_common::EXPIRE_RESET_DAYS);
     $guid = uniqid();
     $strTableName = self::TBL_SL_RESET_PASSWORD;
     $strSQL = global_common::prepareQuery(self::SQL_INSERT_SL_RESET_PASSWORD, array(self::TBL_SL_RESET_PASSWORD, $guid, global_common::escape_mysql_string($userid), global_common::nowSQL(), global_common::addDays(global_common::nowSQL(), global_common::RESET_EXPIRE_DAYS), null, 0));
     if (!global_common::ExecutequeryWithCheckExistedTable($strSQL, self::SQL_CREATE_TABLE_SL_RESET_PASSWORD, $this->_objConnection, $strTableName)) {
         //echo $strSQL;
         global_common::writeLog('Error add sl_reset_password:' . $strSQL, 1);
         return false;
     }
     return $guid;
 }