พี่ครับพอจะมีวิธีทำโหลดรอเข้าหน้าเว็บของ ajax บ้างไมครับ

<script type="text/javascript" src="http://ajax.googleapis.com/ajax/libs/jquery/1.4.2/jquery.min.js"></script> 
<script type="text/javascript" >
function getLeftMenu(){
   $.ajax({
   		type: 'GET',url: 'readdata.php',data: 'action=getLeftMenu',cache: false,timeout: 100000,async:true,dataType: 'text/html',
   		error: function(){alert('Error loading document');},
		beforeSend: function(){$("#left-menu").html("<img src='icon/load.gif'>");},
   		success: function(response){$("#left-menu").html(response);}
   });
}
</script>
<table width="200" border="1">
  <tr>
    <td colspan="2">baner</td>
  </tr>
  <tr>
    <td width="91"><div id="left-menu">Left <script type="text/javascript" >getLeftMenu();</script></div></td>
    <td width="93">content</td>
  </tr>
  <tr>
    <td colspan="2">footer</td>
  </tr>
</table>

if($_GET["action"]=="getLeftMenu"){
?>
<table width="67" border="1">
  <tr>
    <td>home</td>
  </tr>
  <tr>
    <td>product</td>
  </tr>
  <tr>
    <td>contact</td>
  </tr>
</table>
<?
}