<table cellSpacing="0" cellPadding="0" width="158" align="center">
      <tr style="CURSOR: hand">
        <td class="list_title" id="list2"
          onmouseover="this.typename='list_title2';"
          onclick="change(menu2,160,list2);"
          onmouseout="this.typename='list_title';"
          background="images/title_show.gif"
            height="25"><span>信息管理</span> </td>
      </tr>
      <tr>
        <td align="center"><div class="sec_menu" id="menu2" style="DISPLAY: none; width: 158px; height: 0px">
            <table  cellSpacing=2
            cellPadding="0" width="152" align="center"  background="images/bg.gif" style="padding-left:5px">
              <tr>
                <td height="25"><a href="#" target="BoardList">宾馆简介管理</a></td>
              </tr>
              <tr>
                <td height="25"><a href="#" target="BoardList">地理位置管理</a></td>
              </tr>
              <tr>
                <td height="25"><a href="#" target="BoardList">会展中心管理</a></td>
              </tr>
              <tr>
                <td height="25"><a href="#" target="BoardList">餐饮美食管理</a></td>
              </tr>
              <tr>
                <td height="25"><a href="#" target="BoardList">商务中心管理</a></td>
              </tr>
              <tr>
                <td height="25"><a href="#" target="BoardList">其他管理</a></td>
              </tr>
            </table>
          </div></td>
      </tr>
    </table>

老师，按照书上代码实现的 收缩式导航菜单能根据数据库中角色ID表 进行权限分配吗？

如果能，怎么实现，大概说说, 谢谢老师！