เอา auto complete มาใช้ ติดปัญหาว่าเวลาที่เก็บข้อมูลลงฐานอยากให้เก็บเป็น id

<script type="text/javascript" src="js/jquery.min.js"></script>
<script type="text/javascript" src="js/jquery.maskedinput-1.2.1.js"></script>
<script language="javascript" type="text/javascript" src="js/actb.js"></script>
<script language="javascript" type="text/javascript" src="js/common.js"></script>
	<script>
	<?
	include "connect.php"; 
	$result = mysql_query("SELECT staff_id , s_en_name FROM staff ORDER BY s_en_name ASC");
	if (mysql_num_rows($result)) {
	while ($row = mysql_fetch_assoc($result)) {
	$customarray[] = $row[s_en_name];
	}
	}
	echo 'var customarray = new Array("' . implode('", "', $customarray) . '")';
	?>
	</script>