สอบถาม PHP เรื่องการส่งค่า ไปอีกหน้าหน่อยครับ ช่วยทีนะครับ

$query_Recordset1 = "
SELECT *  FROM teacher 
Inner Join managetea ON teacher.id_tea = managetea.id_tea 
Inner Join registerstu ON registerstu.term = managetea.re_term 
AND registerstu.`year` = managetea.re_year 
AND registerstu.id_stu = managetea.id_stu 
Inner Join student ON student.id_stu = registerstu.id_stu 
WHERE teacher.id_tea = '$mid' "; 

<?php require_once('Connections/msciconn.php'); ?>
<?php session_start();?>
<?php
$years=$_POST['select4'];
$term=$_POST['select'];
$id_major=$_POST['select2'];
$id_teach=$_POST['select3'];
if($_SESSION['SS_UserID']==""){
	echo "<script language='javascript'>";
	echo "alert('คุณไม่มีสิทธ์ในการเข้าหน้านี้');";
	echo "</script>";
	echo "<meta http-equiv='refresh' content='0;url=person_login.php'>";
}
?>
<?php
if(isset($_POST["submitlogout"])){
	$_SESSION['SS_UserID'] = "";
	$_SESSION['SS_Users'] = "";
	session_destroy();
	echo "<script language='javascript'>";
	echo "alert('คุณได้ออกจากระบบเรียบร้อยแล้ว');";
	echo "</script>";
	echo "<meta http-equiv='refresh' content='0;url=person_login.php'>";
}
?>
<?php
if (!function_exists("GetSQLValueString")) {
function GetSQLValueString($theValue, $theType, $theDefinedValue = "", $theNotDefinedValue = "") 
{
  if (PHP_VERSION < 6) {
    $theValue = get_magic_quotes_gpc() ? stripslashes($theValue) : $theValue;
  }

  $theValue = function_exists("mysql_real_escape_string") ? mysql_real_escape_string($theValue) : mysql_escape_string($theValue);

  switch ($theType) {
    case "text":
      $theValue = ($theValue != "") ? "'" . $theValue . "'" : "NULL";
      break;    
    case "long":
    case "int":
      $theValue = ($theValue != "") ? intval($theValue) : "NULL";
      break;
    case "double":
      $theValue = ($theValue != "") ? doubleval($theValue) : "NULL";
      break;
    case "date":
      $theValue = ($theValue != "") ? "'" . $theValue . "'" : "NULL";
      break;
    case "defined":
      $theValue = ($theValue != "") ? $theDefinedValue : $theNotDefinedValue;
      break;
  }
  return $theValue;
}
}

$maxRows_Recordset1 = 10;
$pageNum_Recordset1 = 0;
if (isset($_GET['pageNum_Recordset1'])) {
  $pageNum_Recordset1 = $_GET['pageNum_Recordset1'];
}
$startRow_Recordset1 = $pageNum_Recordset1 * $maxRows_Recordset1;

if(isset($_POST["viewtea"])){
mysql_select_db($database_msciconn, $msciconn);
$query_Recordset1 = "SELECT *  FROM teacher Inner Join managetea ON teacher.id_tea = managetea.id_tea Inner Join registerstu ON registerstu.term = managetea.re_term AND registerstu.`year` = managetea.re_year AND registerstu.id_stu = managetea.id_stu Inner Join student ON student.id_stu = registerstu.id_stu WHERE managetea.id_tea =  '".$_POST['select3']."' AND term='".$_POST['select']."' AND year='".$_POST['select4']."' ";  /* and term= */
$Recordset1 = mysql_query($query_Recordset1, $msciconn) or die(mysql_error());
$row_Recordset1 = mysql_fetch_assoc($Recordset1);
$totalRows_Recordset1 = mysql_num_rows($Recordset1);
}

mysql_select_db($database_msciconn, $msciconn);
$query_RecordsetT = "SELECT * FROM teacher"; // ทำเหมือน where managetea
$RecordsetT = mysql_query($query_RecordsetT, $msciconn) or die(mysql_error());
$row_RecordsetT = mysql_fetch_assoc($RecordsetT);
$totalRows_RecordsetT = mysql_num_rows($RecordsetT);

mysql_select_db($database_msciconn, $msciconn);
$query_RecordsetST = "SELECT * FROM managetea Inner Join student ON managetea.id_stu = student.id_stu WHERE managetea.id_tea =  '".$_POST['select3']."'";
$RecordsetST = mysql_query($query_RecordsetST, $msciconn) or die(mysql_error());
$row_RecordsetST = mysql_fetch_assoc($RecordsetST);
$totalRows_RecordsetST = mysql_num_rows($RecordsetST);



mysql_select_db($database_msciconn, $msciconn);
mysql_query("SET NAMES UTF8");
$query_RecordsetPerson = sprintf("SELECT * FROM person WHERE id_person = '%s' ", $_SESSION['SS_UserID']);
$RecordsetPerson = mysql_query($query_RecordsetPerson, $msciconn) or die(mysql_error());
$row_RecordsetPerson = mysql_fetch_assoc($RecordsetPerson);
$totalRows_RecordsetPerson = mysql_num_rows($RecordsetPerson);

/*
 * connection database
 */
$Connect = mysql_connect('localhost', 'root', '16022536') or die('Error connecting to MySQL');
mysql_select_db('spv_crudb', $Connect) or die('Database spv_crudb does not exist!');
mysql_query('SET NAMES UTF8');

/*
 * select data
 */
$Query = mysql_query('SELECT * FROM majortea') or die('Error query #12');

?>

<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
<html xmlns="http://www.w3.org/1999/xhtml">
<head>
<meta http-equiv="Content-Type" content="text/html; charset=utf-8" />
<title>เมนูการจัดการ เพิ่มเติมรายชื่อนักศึกษา</title>
<link rel="stylesheet" href="css/style.css" type="text/css" />
<link rel="stylesheet" href="css/modaldialog.css" type="text/css" />
<link href="//maxcdn.bootstrapcdn.com/font-awesome/4.2.0/css/font-awesome.min.css" rel="stylesheet">
<script src="jquery-1.11.1.min.js" type="text/javascript"></script>
<script type="text/javascript">
            $(document).ready(function() {
                $('#majortea').change(function() {
                    $.ajax({
                        type: 'POST',
                        data: {majortea: $(this).val()},
                        url: 'select_teacher.php',
                        success: function(data) {
                            $('#tea_name').html(data);
                        }
                    });
                    return false;
                });
            });
        </script>
</head>

<body>
<table width="100%" border="0" align="center" class="navtop">
  <tr>
    <th height="40" scope="col"><table width="1024" border="0" align="center">
      <tr>
        <td height="35"><table width="150" border="0" align="left">
          <tr>
            <td height="35" align="left"><img src="images/orangeic.png" width="30" height="20" /></td>
          </tr>
        </table>
          <table width="320" border="0" align="right">
          <tr>
            <td height="35" align="right">ยินดีต้อนรับ , <?php echo $row_RecordsetPerson['per_name']; ?></td>
            <td align="center"><form id="form2" name="form2" method="post" action="">
              <input type="submit" name="submitlogout" id="submitlogout" value="ออกจากระบบ" />
            </form></td>
          </tr>
        </table></td>
      </tr>
    </table></th>
  </tr>
</table>
<table width="1024" border="0" align="center" cellpadding="0" cellspacing="0" class="allpage">
  <tr>
    <td><table width="1024" border="0" cellspacing="0" cellpadding="0">
      <tr>
        <td align="center"><img src="images/HD-1JPG.jpg" width="1000" height="245" class="hdsite" /></td>
      </tr>
    </table>
      <table width="1000" border="0" align="center" cellpadding="0" cellspacing="0" class="navsite">
        <tr>
          <td><table width="350" border="0" cellpadding="0" cellspacing="0">
            <tr>
              <th height="44" class="dividerright" scope="col"><a href="person_index.php">หน้าแรก</a></th>
              <th class="dividerright" scope="col"><a href="person_mange.php">เมนูการจัดการ</a></th>
              <th class="dividerright" scope="col"><a href="person_document.php" class="active">อัพโหลดไฟล์เอกสาร</a></th>
              </tr>
          </table></td>
        </tr>
      </table>
      <table width="1002" border="0" align="center" class="slidecontent">
        <tr>
          <td height="30" bgcolor="#cbcbcb"><table width="120" border="0" align="left">
            <tr>
              <td align="center"><strong>ข้อความเจ้งเตือน :</strong></td>
            </tr>
          </table>
            <table width="700" border="0" align="left">
              <tr>
                <td><marquee onmouseover="stop();" onmouseout="start();">ยินดีต้อนรับเจ้าหน้าที่ เข้าสู่ระบบสารสนเทศสำหรับบริหารจัดการอาจารย์นิเทศก์ หากระบบเกิดขัดข้องหรือไม่สมบรูณ์ กรุณาติดต่อผู้ดูแลระบบ หรือโทร0875117788</marquee></td>
              </tr>
          </table>
            <table width="100" border="0" align="right">
              <tr>
                <td align="right"><img src="images/messagebok.png" width="18" height="22" /></td>
              </tr>
          </table></td>
        </tr>
      </table>
      <table width="1000" border="0" align="center" class="titlebar">
        <tr>
          <td><table width="1000" border="0">
            <tr>
              <td width="40" valign="middle"><img src="images/printforiginal.png" width="36" height="34" /></td>
              <td valign="bottom"><h2>พิมพ์เอกสารรายงาน</h2></td>
            </tr>
          </table></td>
        </tr>
        <tr>
          <td valign="top"><p style="margin-top: -20px; border-bottom: 1px solid #eee; padding: 5px 0px 10px;}">หน้าพิมพ์รายงานแสดงผลตารางการจัดอาจารย์นิเทศก์ เพื่อออกเอกสารรายงานอาจารย์</p></td>
        </tr>
      </table>
      <p>&nbsp;</p>
      <table width="1000" border="0" align="center" cellpadding="0" cellspacing="0">
        <tr>
          <td><form id="form2" name="form2" method="post" action="">
            <table width="500" border="0" align="center" cellpadding="0" cellspacing="0" class="well">
              <tr>
                <td height="30" align="right"><strong>เลือกเทอม :</strong></td>
                <td height="30"> &nbsp;
                  <select name="select" class="form-control" id="select">
                  <option value="1" <?php if (!(strcmp("1", $term))) {echo "selected=\"selected\"";} ?>>1</option>
                  <option value="2" <?php if (!(strcmp("2", $term))) {echo "selected=\"selected\"";} ?>>2</option>
                  <option value="3" <?php if (!(strcmp("3", $term))) {echo "selected=\"selected\"";} ?>>3</option>
                </select></td>
              </tr>
              <tr>
                <td height="30" align="right"><strong>เลือกปีการศึกษา :</strong></td>
                <td height="30">&nbsp; <select name="select4" class="form-control" id="select4">
                <option>---เลือกปี พ.ศ.---</option>
                  <? for ($i =date('Y')+544; $i >= date('Y')+538; $i--){ ?>
					  echo "<option value = '<?php echo $i; ?>' <?php if (!(strcmp("$i", $years))) {echo "selected=\"selected\"";} ?>><?php echo $i; ?></option>";
					  
                     <?php			}?>
                </select></td>
              </tr>
              <tr>
                <td height="30" align="right"><strong>เลือกสาขาวิชา :</strong></td>
                <td height="30">&nbsp; <select name="select2" class="form-control" id="majortea">
                    <option value="">---เลือกสาขาวิชา---</option>
                            <?php
                            while ($Result = mysql_fetch_array($Query)) {
                                ?>
                                <option value="<?php echo $Result['id']; ?>" <?php if (!(strcmp($Result['id'], $id_major))) {echo "selected=\"selected\"";} ?>>
                                    <?php echo $Result['mjname']; ?>
                                </option>
                                <?php
                            }
                            ?>
                  </select></td>
              </tr>
              <tr>
                <td height="30" align="right"><strong>เลือกอาจารย์ :</strong></td>
                <td height="30"> &nbsp;
                  <select name="select3" class="form-control" id="tea_name">
                  <option>---รายชื่ออาจารย์---</option>
                  <?php
do {  
?>
                  <option value="<?php echo $row_RecordsetT['id_tea']?>" <?php if (!(strcmp($row_RecordsetT['id_tea'], $id_teach))) {echo "selected=\"selected\"";} ?>><?php echo $row_RecordsetT['tea_name']?></option>
                  <?php
} while ($row_RecordsetT = mysql_fetch_assoc($RecordsetT));
  $rows = mysql_num_rows($RecordsetT);
  if($rows > 0) {
      mysql_data_seek($RecordsetT, 0);
	  $row_RecordsetT = mysql_fetch_assoc($RecordsetT);
  }
?>
                </select></td>
              </tr>
              <tr>
                <td height="30" align="right">&nbsp;</td>
                <td height="30">&nbsp; <input type="submit" name="viewtea" id="viewtea" value="แสดงข้อมูล" /></td>
              </tr>
            </table>
          </form></td>
        </tr>
      </table>
      <br />
      <table width="1000" border="0" align="center" cellpadding="0" cellspacing="0" class="content">
        <tr>
          <td align="center">&nbsp;</td>
        </tr>
        <tr>
          <td align="center"><?php echo $row_Recordset1['tea_name']; ?> เบอร์โทร <?php echo $row_Recordset1['tetels']; ?></td>
        </tr>
      </table>
      <br />
      <table width="1000" border="1" align="center" cellpadding="0" cellspacing="0" class="tbcontent">
        <tr align="center" bgcolor="#00CCCC">
          <td width="30" height="30" bgcolor="#00CCCC"><strong>ลำดับ</strong></td>
          <td width="100"><strong>รหัสวิชา</strong></td>
          <td width="50"><strong>รหัสนักศึกษา</strong></td>
          <td width="200"><strong>ชื่อ-นามสกุล</strong></td>
          <td width="200"><strong>ชื่อบริษัท</strong></td>
          <td width="100"><strong>หมายเหตุ</strong></td>
        </tr>
        <?php  $i=1; do { ?>
        <tr align="center" bgcolor="#fff">
          <td width="30" height="25"><? echo $i ?></td>
          <td width="100" height="25"><?php echo $row_Recordset1['remajor_no']; ?></td>
          <td width="50" height="25"><?php echo $row_Recordset1['id_stu']; ?></td>
          <td width="200" height="25" align="left"><?php echo $row_Recordset1['stu_name']; ?></td>
          <td width="200" height="25" align="left"><?php echo $row_Recordset1['stwork']; ?></td>
          <td width="100" align="left">&nbsp;</td>
          </tr>
        <?php $i++; } while ($row_Recordset1 = mysql_fetch_assoc($Recordset1)); ?>
      </table>
      <a href="printdocper1.php?mid=<?php echo $row_Recordset1['id_tea']; ?>" target="_blank" id="open-modal"><i class="fa fa-print"> พิมพ์รายงาน</i></a>
<p>&nbsp;</p>
<p>&nbsp;</p>
<p>&nbsp;</p>
<p>&nbsp;</p></td>
  </tr>
</table>
</body>
</html>
<?php
mysql_free_result($RecordsetPerson);
?>