add ข้อมูลในฐานข้อมูล php แต่ผลลัพธ์ไม่ขึ้นข้อมูลให้

<? ob_start() ?>
<?php
	/* call connectFunction in function.php */
		require_once('function.php');
		connect();

	/* use $_SESSION send value from check.php  */
		@session_start();
		$username = $_SESSION['username_log'];

	/* check for get value from check.php */
		if($username != ""){
		$query = mysql_query(" select * from login where username='$username_log';");
				if(!$query){
					print "<label style='color:red;'>เกิดข้อผิดพลาดเกี่ยวกับข้อมูลบุคลากร</label>";
				}
				else{
					$record = mysql_fetch_array($query);
					$username = $record['username_log'];
				}
		}else{
				header("Location: login.php");		
		}
?>


<script>
function setFocus(){
	add_destinationtype.typename.focus();
}
///////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
function checkText(){
	if( (document.add_destinationtype.Typeid.value == "") || (isNaN(document.add_destinationtype.Typeid.value)==false) ){
		alert("กรุณากรอก: ชื่อรหัสประเภทสถานที่ยว .. *");
		add_destinationtype.Typename.focus();
		return false;
	}else ( (document.add_destinationtype.Typename.value == "") || (isNaN(document.add_destinationtype.Typename.value)==false) ){
		alert("กรุณากรอก: ชื่อประเภทสถานที่ .. *");
		add_destinationtype.Typename.focus();
		return false;
}
</script>

<form name="add_destinationtype" method="post" action="add_process.php">
          <table width="500" border="0" align="left">
              <tr>
                <td colspan="4"><h3>&nbsp;</h3></td>
              </tr>
              <tr>
                <td width="180" align="right">รหัสประเภทสถานที่:&nbsp;&nbsp;</td>
                <td colspan="2"><input name="typeid" type="text" size="20" maxlength="2" id="typeid" />
                  &nbsp;<span class="style6"><samp>*</samp></span></td>
                <td width="125">&nbsp;</td>
              </tr>
              <tr>
                <td align="right">&nbsp;</td>
                <td width="125">&nbsp;</td>
                <td width="125">&nbsp;</td>
                <td>&nbsp;</td>
              </tr>
              <tr>
                <td align="right">ชื่อประเภทสถานที่:&nbsp;&nbsp;</td>
                <td colspan="2"><input name="typename" type="text" size="20" maxlength="30" id="typename" />
                  &nbsp;<span class="style6"><samp>*</samp></span></td>
                <td>&nbsp;</td>
              </tr>
              <tr>
                <td align="right">&nbsp;</td>
                <td>&nbsp;</td>
                <td>&nbsp;</td>
                <td>&nbsp;</td>
              </tr>
              <tr>
                <td align="right">&nbsp;</td>
                <td><label>
                  <input type="submit" value="  save  " />
                  </label>                </td>
                <td><label>
                  <input name="" type="reset" value=" Clear " onclick="javascript: setFocus();"/>
                  </label>                </td>
                <td>&nbsp;</td>
              </tr>
            </table>
                    </form>
<? ob_end_flush() ?>

<?php
				
    			$query_select = mysql_query("SELECT * FROM destination_type;");
			
		while($record = mysql_fetch_array($query_select)){
				$type_id = $record['type_id'];
				$type_name = $record['type_name'];
			echo	"<tr>";				
			echo 	"<td>$type_id</td>";
			echo 	"<td>$type_name</td>";	
            echo	'<td align="center"><a href="edit_destination_type.php?type_id=<? echo  $type_id; ?>">EDIT</a></td>';
            echo	'<td align="center"><a href="delete_destination_type.php?type_id=<? echo  $type_id; ?>">DELETE</a></td>';
            echo	"</tr>";
		}
?>
   


ไฟล์  add_process.php


<? ob_start() ?>
<?php
	/* call connectFunction in function.php */
		require_once('function.php');
		connect();

	/* use $_SESSION send value from check.php  */
		@session_start();
		$username = $_SESSION['username_log'];

	/* check for get value from check.php */
		if($username != ""){
		$query = mysql_query(" select * from login where username='$username_log';");
				if(!$query){
					print "<label style='color:red;'>เกิดข้อผิดพลาดเกี่ยวกับข้อมูลบุคลากร</label>";
				}
				else{
					$record = mysql_fetch_array($query);
					$username = $record['username_log'];
				}
		}else{
				header("Location: login.php");		
		}
		
		$query_select = mysql_query("SELECT * FROM personnel WHERE personnelid LIKE '".$first."%' ORDER BY personnelid DESC;");
		if(!$query_select)
			print "<label style='color:red;'>เกิดข้อผิดพลาดเกี่ยวกับข้อมูลบุคลากร</label>";
		else{
			$type_id = $_POST['type_id'];
			$type_name = $_POST['type_name'];
	
			$query_insert = mysql_query("INSERT INTO destination_type 
			(type_id, type_name)
			VALUES('".$type_id."', '".$type_name."');");
		if(!$query_insert)
			print "<label style='color:red;'>เกิดข้อผิดพลาดเกี่ยวกับการเพิ่มข้อมูลบุคลากร</label>";
		else{
			print "<label style='color:green;'>เพิ่มระเภทสถานที่ท่องเที่ยวเรียบร้อยแล้ว</label>";
			header('Refresh:3; URL=manage_destination.php');
		}
	?>
<? ob_start() ?>