jquery ile sayfa değişmeden silme yardım.

<script src="http://ajax.googleapis.com/ajax/libs/jquery/1.10.2/jquery.min.js"></script> 
<script> 
$(document).ready(function() 
{ 
    $(".sil").click(function() 
    { 
        var silinen_id = $(this).attr('id'); 
        if(confirm("Bunu silmek istediğinizden emin misiniz?")) 
        { 
            $.ajax({ 
                type:"POST", 
                url:"isle/lisans_sil.php", 
                data:{id:silinen_id}, 
                success:function(sonuc) 
                { 
                    if (sonuc=="true") 
                    { 
                        $('#satir'+silinen_id).css('background','#ffadad'); 
                        $('#satir'+silinen_id).fadeOut('slow'); 
                    } 
                    else 
                    { 
                        $('#hata').html('Bir hata oluştu.'); 
                    } 
                } 
            }); 
            event.preventDefault(); 
        } 
    }); 
}); 
</script>

<div id="satir" >
                                        <tr class="odd gradeX">
                                            <td><?PHP echo $oku['lisans_id']; ?></td>
                                            <td><?PHP echo $oku['Location']; ?></td>
                                            <td><?PHP echo $oku['aciklama']; ?></td>
                                            <td><?PHP echo $oku['alisfiyati']; ?></td>
                                            <td><?PHP echo $oku['fatno']; ?></td>
											<td><?PHP echo $oku['altarih']; ?></td>
											<td><?PHP echo $oku['lisans']; ?></td>
											<td><?PHP echo $oku['kullanici']; ?></td>
											<td><?PHP echo $oku['kisa_not']; ?></td>
											<td><a style="cursor: pointer;" <a href="lisans_guncelle.php?deger=<?php echo $oku['lisans_id']; ?>"><img src="img/duzenle.png" border="0" title="Düzenle" /></a>
											 &nbsp; <a style="cursor: pointer;" <a href="isle/lisans_sil.php?deger=<?php echo $oku['lisans_id']; ?>"><img src="img/sil.png" border="0" title="Sil" /></a>
											 <a id="<?php echo $oku['lisans_id']; ?>" class="sil" href="#">Sil</a>
										</tr>
								 <?PHP } ?>
</div>