<td class="td_center"> 

<li id="dxbox">

<input type="checkbox" name="dns_area" id="chk1" value="<%=rs.getString("id")%>"/>

</li>

</td> 

  <script>
	$(function(){
		$("#dxbox").click(function()
	{
	    if($(this).find("input[type=checkbox]:checked").val() != undefined)
    {
					 var result=$(this).find("input[type=checkbox]:checked").val();
					alert(result);
					$.ajax({
                     type:"POST",
                     url:"Ajax.jsp?result="+result,
                     //url:"alter_classkind.jsp?result="+result,
                    //url:"alter_class.action?result="+result,
                     dataType:"html",
					 //data:"result="+result,
                     success:function(data){
							//根據返回值進行處理
							$("#show").html(data);
                     }
               });
    }
	});

	});
	
</script>