ถามเรื่อง การใช้ autocomplete jquery ค่ะ ใช้ autocomplete jquery เพื่อเลือกชื่อที่มีจากฐานข้อมูล

<?php 
session_start();
include "config/connect.php";
include"function/function.php";

$sql3="select*from tb_student ";
$query3= mysql_db_query($dbname, $sql3);
while($rs3 = mysql_fetch_array($query3)) {
	$id_std =$rs3[id_std];
	$prefix_std=$rs3[prefix_std];
	$name_std=$rs3[name_std];
	$lastname_std =$rs3[lastname_std];
	$nickname_std=$rs3[nickname_std];
	$school_std=$rs3[school_std];
	$degree_std=$rs3[degree_std];
	$parentName_std=$rs3[parentName_std];
	$parentLast_std=$rs3[parentLast_std];
	$tel1=$rs3[tel1];
	$tel2=$rs3[tel2];
	$mail_std=$rs3[mail_std];
	$photo_std=$rs3[photo_std];

	?>
<script type="text/javascript" src="lib/jquery.js"></script>
<script type="text/javascript" src="jquery.autocomplete.js"></script>
<script type="text/javascript" src="lib/jquery.bgiframe.min.js"></script>
<script type="text/javascript" src="lib/jquery.ajaxQueue.js"></script>
<script type="text/javascript" src="lib/thickbox-compressed.js"></script>
<link rel="stylesheet" href="lib/thickbox.css" />
<link rel="stylesheet" href="jquery.autocomplete.css" />
<title>ลงทะเบียนเรียน</title>
<script type="text/javascript">
$(document).ready(function(){

	var str_student = "<?php echo $name_std ,$lastname_std; ?>";	
	var arr_student = str_student.split(" ");
	
 
	$("#id_std").autocomplete(arr_student );

})

</script>
<?php } ?>