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<title>jquery下拉竖导航菜单代码</title></head><body><br /><br /><br /><div id="menu"> <ul id="nav"> <li id="mainlevel_01" class="mainlevel"> <a href="#">第一</a> <ul class="linHideStyle"> <li> <a href="">the one</a> </li> <li> <a href="">the one</a> </li> <li> <a href="">the one</a> </li> </ul> </li> <li id="mainlevel_02" class="mainlevel"> <a href="#">第二</a> <ul class="linHideStyle"> <li> <a href="">the one</a> </li> <li> <a href="">3333dd</a> </li> <li> <a href="">the one</a> </li> </ul> </li> <li id="mainlevel_03" class="mainlevel"> <a href="#">第三</a> <ul class="linHideStyle"> <li> <a href="">the one</a> </li> <li> <a href="">the one</a> </li> <li> <a href="">the one</a> </li> </ul> </li> <li id="mainlevel_04" class="mainlevel"> <a href="#">第四季度</a> <ul class="linHideStyle"> <li> <a href="">the one</a> </li> <li> <a href="">the one</a> </li> <li> <a href="">the one</a> </li> </ul> </li> </ul></div></body></html>