รบกวนหน่อยนะครับ INSERT INTO แล้วข้อมูลไม่เข้าฐานข้อมูลครับผม

<?php
	$host = "A6ZACEIO8KWSLIO\SQLEXPRESS";	
	$user = "sa";			
	$pass = "tabar4785";	
	
	$objConnect = mssql_connect($host,$user,$pass);
	mssql_select_db("webdb");
	$results = mssql_query("select * from [dbo].[CUSTOMER]");
	mssql_close($objConnect);
	
?>


<img src="r11.png" width="190" height="100">
<center><table border="1" width="1100">       
      
   <tr bgcolor="#FF99CC">
        <td width="100"><div align="center"><strong>รหัสผู้ใช้บริการ </div></strong></td>
    	<td width="200"><div align="center"><strong>ชื่อ-นามสกุล	</div></strong></td>
       	<td width="200"><div align="center"><strong>ที่อยู่		</div></strong></td>
        <td width="130"><div align="center"><strong>เบอร์โทรศัดท์	</div></strong></td>
    	<td width="130"><div align="center"><strong>โฉนดที่ดินเลขที่	</div></strong></td>
       	<td width="220"><div align="center"><strong>ขนาดที่ดิน	</div></strong></td>
        <td width="120"><div align="center"><strong>จัดการข้อมูล</div></strong></td>
   </tr>
   <?php 
   while ($raw4 = mssql_fetch_array($results))
   
   {?>
   <tr height="60" align="center" bgcolor="#FFCCFF">
        <td><?php echo "$raw4[0]"?> </td>
        <td><?php echo "$raw4[1]"?> </td>
        <td><?php echo "$raw4[2]"?> </td>
        <td><?php echo "$raw4[3]"?> </td>
        <td><?php echo "$raw4[4]"?> </td> 
        <td><?php echo "$raw4[5]"?> </td>
        <td><input name="register"  id="lop" type="submit" value="ลบข้อมูล" /></td>
        <?php } ?>
   </tr>
   
</table>

ect_db("webdb");
	$results = mssql_query("select * from [dbo].[CUSTOMER]");
	mssql_close($objConnect);
	
?>
<?php
$id = $_POST["id"];
$fname = $_POST["fname"];
$teu = $_POST["teu"];
$tel = $_POST["tel"];
$tdin = $_POST["tdin"];
$a = $_POST["a"];
$b = $_POST["b"];
$c = $_POST["c"];

	$host = "A6ZACEIO8KWSLIO\SQLEXPRESS";	
	$user = "sa";			
	$pass = "tabar4785";
	$dbname = "webdb"; 
	$tblname = "[dbo].[CUSTOMER]"; 
	$objConnect = mssql_connect($host,$user,$pass);

mssql_select_db($dbname);
	$sql = "INSERT INTO $tblname(Cus_name,Cus_add,Cus_Tel,Cus_chanod,Cus_nerte) 
			VALUES ('$id', '$fname','$teu','$tel','$tdin','$a','$b','$c')"; 
			if ($sql){
			echo "<script type type=\"text/javascript\">window.location='from2.php'</script>";	
			}
mssql_close($objConnect);
?>