ถามหน่อย Code Checkbox Delete Record แก้แล้วไม่ได้อะ

<?
include"../../../connect.php";
for($i=0;$i<count($_POST["chkDel"]);$i++)
	{
		if($_POST["chkDel"][$i] != "")
		{
			$strSQL = "SELECT * FROM news WHERE 			news_id='".$_GET["news_id"]."'";
			$objQuery = mysql_query($strSQL) or die ("Error Query [".$strSQL."]");
			$objResult = mysql_fetch_array($objQuery);

//*** Delete File ***//
@unlink("file/".$objResult["news_file"]);

//*** Delete Row ***'
$sql = "delete from news where news_id = '".$_POST["chkDel"][$i]."' ";
$result = mysql_query($sql);

	}
	}
if($result){
	echo'<script>alert("ลบข้อมูลสำเร็จ");</script>';
	?>
<meta http-equiv="refresh" content="1;URL=show_user.php">
<?
	}else{
		echo'<script>alert("ไม่สามารถลบข้อมูลได้");</script>';
			?>
<meta http-equiv="refresh" content="1;URL=show_user.php">
<?
	}


?>