jQuery的滑动门选项卡上下滚动切换特效

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<li class="cur"><b class="zhanl"><p><img src="images/show1_hover.png" />展览展示</p></b><span class="zhanl"><p><img src="images/show1.png" />展览展示</p></span></li>
<li><b class="huod"><p><img src="images/show2_hover.png" /></p>活动策划</b><span class="huod"><p><img src="images/show2.png" />活动策划</p></span></li>
<li><b><p><img src="images/show3_hover.png" /></p>商业设计</b><span><p><img src="images/show3.png" />商业设计</p></span></li>
<li><b><p><img src="images/show4_hover.png" /></p>增值服务</b><span><p><img src="images/show4.png" />增值服务</p></span></li>
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              <dd><a href="http://sc.chinaz.com/"><div class="mouse_s"><img src="images/cp.jpg" /><p>1瑞马公司</p></div><div class="hover_s"><img src="images/chse.png" /><p>1瑞马公司</p></div></a></dd>
              <dd><a href="http://sc.chinaz.com/"><div class="mouse_s"><img src="images/cp.jpg" /><p>展览项目</p></div><div class="hover_s"><img src="images/chse.png" /><p>展览项目</p></div></a></dd>
              <dd><a href="http://sc.chinaz.com/"><div class="mouse_s"><img src="images/cp.jpg" /><p>管理展台</p></div><div class="hover_s"><img src="images/chse.png" /><p>管理展台</p></div></a></dd>
              <dd><a href="http://sc.chinaz.com/"><div class="mouse_s"><img src="images/cp.jpg" /><p>展示精典</p></div><div class="hover_s"><img src="images/chse.png" /><p>展示精典</p></div></a></dd>
              <dd><a href="http://sc.chinaz.com/"><div class="mouse_s"><img src="images/cp.jpg" /><p>投标历史</p></div><div class="hover_s"><img src="images/chse.png" /><p>投标历史</p></div></a></dd>
              <dd><a href="http://sc.chinaz.com/"><div class="mouse_s"><img src="images/cp.jpg" /><p>展台设计</p></div><div class="hover_s"><img src="images/chse.png" /><p>展台设计</p></div></a></dd>
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一款jQuery滑动门选项卡上下滚动切换特效，鼠标悬停选项卡图标导航自动切换到相应内容，鼠标经过图片显示加号特效。