รบกวน Guru ผมต้องการ insert ข้อมูลพร้อมกัน แต่ข้อมูลอยู่ คนล่ะ Table คับ

if ((isset($_POST["MM_insert"])) && ($_POST["MM_insert"] == "form1")) {
  $insertSQL = sprintf("INSERT INTO tblcustomer (c_name, c_surname, c_numhouse, c_lane, c_road, c_district, c_boundary, c_province, c_numpost, c_telephone, c_email) VALUES (%s, %s, %s, %s, %s, %s, %s, %s, %s, %s, %s)",
                       GetSQLValueString($_POST['c_name'], "text"),
                       GetSQLValueString($_POST['c_surname'], "text"),
                       GetSQLValueString($_POST['c_numhouse'], "text"),
                       GetSQLValueString($_POST['c_lane'], "text"),
                       GetSQLValueString($_POST['c_road'], "text"),
                       GetSQLValueString($_POST['c_district'], "text"),
                       GetSQLValueString($_POST['c_boundary'], "text"),
                       GetSQLValueString($_POST['c_province'], "text"),
                       GetSQLValueString($_POST['c_numpost'], "int"),
                       GetSQLValueString($_POST['c_telephone'], "int"),
                       GetSQLValueString($_POST['c_email'], "text"));
  mysql_select_db($database_hotel, $hotel);
  $Result1 = mysql_query($insertSQL, $hotel) or die(mysql_error());
  $insertSQL1 = sprintf("INSERT INTO tblreservation (re_numberofro, re_numberofg, re_datein, re_dateout, re_requs) VALUES (%s, %s, %s, %s, %s)",
                       GetSQLValueString($_POST['re_numberofro'], "int"),
                       GetSQLValueString($_POST['re_numberofg'], "int"),
                       GetSQLValueString($_POST['re_datein'], "date"),
                       GetSQLValueString($_POST['re_dateout'], "date"),
                       GetSQLValueString($_POST['re_requs'], "text"));
  mysql_select_db($database_hotel, $hotel);
  $Result1 = mysql_query($insertSQL1, $hotel) or die(mysql_error());

  $insertGoTo = "bookingcomplete.php";
  if (isset($_SERVER['QUERY_STRING'])) {
    $insertGoTo .= (strpos($insertGoTo, '?')) ? "&" : "?";
    $insertGoTo .= $_SERVER['QUERY_STRING'];
  }
  header(sprintf("Location: %s", $insertGoTo));
}