javascript动态的改变checkbox的选中状态

 <td>
    <div class="checkbox">
         <label>
             <input type="checkbox" id="id_{$vo.id}" value="{$vo.status}" {if condition="$vo.status eq '1'"}checked{/if} />锁定
         </label>
    </div>
 </td>
 <script type="text/javascript">
     $("#id_{$vo.id}").click(function(){
        var status = $('#id_{$vo.id}').val();
        $.get("{:url('admin/category/status_change')}", {id:"{$vo.id}",status:status});
     });
 </script>