ต้องการจะเรียงวันที่เป็นตัวหนังสือ จันทร์-ศุกร์ ทำอย่างไรคะ

mysql_select_db($database_ProjectWeb, $ProjectWeb);
$query_viewTerm = "SELECT * FROM term";
$viewTerm = mysql_query($query_viewTerm, $ProjectWeb) or die(mysql_error());
$row_viewTerm = mysql_fetch_assoc($viewTerm);
$totalRows_viewTerm = mysql_num_rows($viewTerm);

$colname_showteach = "-1";
if (isset($_SESSION['MM_Username'])) {
  $colname_showteach = $_SESSION['MM_Username'];
}
mysql_select_db($database_ProjectWeb, $ProjectWeb);
$query_showteach = sprintf("SELECT name FROM teach WHERE code = %s", GetSQLValueString($colname_showteach, "text"));
$showteach = mysql_query($query_showteach, $ProjectWeb) or die(mysql_error());
$row_showteach = mysql_fetch_assoc($showteach);
$totalRows_showteach = mysql_num_rows($showteach);

if (isset($_SESSION['MM_Username'])) {
  $colname_showdata = $_SESSION['MM_Username'];
}
$query_showdata = sprintf("SELECT teaching.dpr2, teaching.dpr3, teaching.tcode, teaching.dpr6, teaching.dpr1, course.tsub1
FROM teaching, course
WHERE teaching.tcode= course.tcode and code = %s and semes=%s", GetSQLValueString($colname_showdata, "text"),
GetSQLValueString($row_viewTerm["term"], "text"));
$showdata = mysql_query($query_showdata, $ProjectWeb) or die(mysql_error());
$row_showdata = mysql_fetch_assoc($showdata);
$totalRows_showdata = mysql_num_rows($showdata);
?>