Formu Post Etme?

<tr>
	<td><input type="hidden" value="http://cdn2.image.spankwire.phncdn.com/201306/18/977501/320X240/9.jpg" name="img"></td>
	<td><table><tr><td>İsim</td><td><input name="isim" value="adadasd" style="width: 520px"></td></tr></td>
	<td><tr><td>Etiketler</td><td><input name="etiket" value="" style="width: 520px"></td></tr></td>
	<td><tr><td>ID</td><td><input name="url" value="977501" style="width: 520px" readonly></td></tr></td>
	<td><tr><td>Açıklama</td><td><textarea name="desc" style="width: 520px; height:50px;">BirYazı</textarea></td></tr>
	<td><tr>
		<td>Uzunluk <input name="length" style="width: 50px" value="
13:16
"><td>Kategori <select name='kat'>
	<option class="level-0" value="1">Genel</option>
</select>
</td></tr></td></table></td></form></tr>

<script type="text/javascript">

$(function(){

   $('form#benimformum').submit(function(){

      $.post('ajax.php', $('form#benimformum').serialize(), function(data){

         alert('ajax işlemi gerçekleşti.');

         alert('dönen değerler: '+ data);

      });
 
      return false;

   });

});

</script>

<form id="benimformum">

   ........

</form>