ช่วยดูให้หน่อยครับไม่เข้าใจจิงๆ Select order_id ให้ออกตาม id ของสมาชิก

<? session_start();
include("../lib/utility.php");
connect_db();

check_login("username", "../index.php");
$username = $_SESSION["username"];
?>

function check_login($name, $dest) {
	if (!isset($_SESSION[$name])) {
		header("location:$dest");
		return;
	}
}

<form name="login" method="post" action="#">
<? // login
		  $username=$_POST['username'];
		  $password=$_POST['password'];
		  
		  if($username !="" && $password!=""){
			  $rs1 = mysql_query("select * from user where username='$username' and password='$password' ");
			  $result=mysql_fetch_array($rs1);
			  $status=$result["status_st_active"];
		if($found>0){
		  if($status=="Show"){
			   $username_regist  = $username;
			   $password_regist = $password;
			   $m_id= $result["m_id"];
			   session_register("username_regist");
			   session_register("password_regist");
			   session_register("m_id");
		}
			else{
				?>
<script language="Javascript">
    				alert ("Please enter username and password again");
				</script>
                <?
			}
		  }
?>

<select name="order_id">
<option value="">-- เลขที่ใบสั่งชื้อ --</option>
<?
$sql = "SELECT * FROM `order_pro` Where m_id='$m_id' ORDER BY order_id ASC '";
$Query = mysql_query($sql) or die(mysql_error());
while($Result = mysql_fetch_array($Query))
{
?>
<option value="<?=$Result["order_id"];?>">
<?=$Result["order_id"]; ?>
</option>

<? 
}
?>
</select>