คลิกรูปเพื่ออัพเดทแต่ไม่อยากให้ refresh ครับต้องทำยังไง

<?php 
                      if ($objResult["working"] == "Y") {
                        $work = "img/ico_bifag.png";
                      }
                      else {
                        $work = "img/no.png";
                      }
                    ?>
                    <td align="center"><a href="update_work.php?work=N&&id=<?=$objResult["work_id"];?>"><img src="<?=$work ?>"></a></td>

<?php
	include('connection/connection.php');
?>
<?php 
	if($_GET["work"]=='N') {
			$strSQL = "UPDATE work_descrip SET working = 'Y' WHERE work_id = '".$_GET["id"]."' ";
			echo '<script type="text/javascript">window.location = "list_fix.php"; </script>';
		}
	else {
			echo '<script type="text/javascript">window.location = "list_fix.php"; </script>';
	}
	$objQuery = mysql_query($strSQL) or die(mysql_error());
?>