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>