how to display ajax loading image
<p>I want to show ajax loading image. but don't know how to do that. here is my working ajax script. please help me 
to integrate ajax loading gif.thanks </p>

<pre><code>$(function() { 
    $( "#slider" ).slider({ 
       stop: function(event, ui) {
              $.ajax({
              url: "ajax.php",
              cache: false,
              async: false,
             data: "",
                  success: function(html){
                $("#result_list").html(html);
              }
            });

         }
    });
});
</code></pre>
