jquery 的后台导航

<script language="javascript">
$(function(){
jQuery('#navigation').accordion({header: '.head',navigation1: true,event: 'click',fillSpace: true,animated: 'bounceslide'});
$("#add").click(function(){
						 document.getElementById("cont").innerHTML=loging("../index.php");
						 });

 function loging(ur){   
    $.ajax({   
            type:"post",   
            url:ur,   
            data:{logname2:"test"},   
            beforeSend:function(){$("#cont").html("logining");},                
            success:function(data){    
        //  return decodeURI(data);
		  $("#cont").html(unescape(data));
		  // document.getElementById("cont").innerHTML=data;
            }               
         });
    }
	
		   })
	
</script>
<li id='add'>添加新闻</li>
<span id='cont'>asdfasd</span>