help with passing variable to ajax

help with passing variable to ajax

  2. <script>
  3. $(document).ready(function(){

  7. $('td img').click(function(){
  8. alert($(this).attr('id'));
  9. });
  12. $.ajax({
  13.     type: "POST",
  14.     url: "some.php",
  15.     data: "id=" + id,
  16.     success: function(data){
  17.      alert( "Data" );
  18.  
  19.    }
  20.  });
  22. });
  23. </script>

  25. I am new to jquery and I was wondering on how to send the id of the image I clicked on to a ajax call.