<!DOCTYPE html PUBliC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd"> <html xmlns="http://www.w3.org/1999/xhtml" lang="zh-CN"> <head> <meta http-equiv="Content-Type" content="text/html; charset=gb2312" /> <meta http-equiv="Content-Language" content="zh-CN" /> <title>横向下拉菜单</title> 
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} #nav { height: 24px; list-style-type: none; padding-left:200px; line-height:24px;overflow:hidden;background:#999; } #nav a { display: block; width: 80px; text-align:center; } #nav a:link { color:#EEE; text-decoration:none; } #nav a:visited { color:#EEE;text-decoration:none; } #nav a:hover { color:#FFF;text-decoration:none;font-weight:bold;background:#CCC; } #nav li { float: left; width: 80px; } #nav li ul { line-height: 24px; list-style-type: none; text-align:left; left: -999px; width: 520px; //注意,这里一定要设置宽度; position: absolute; background:#CCC; } #nav li ul li{ float: left;width: 80px; //float就是子菜单横向的关键,可以继承父菜单而省略float } #nav li ul a{ display: block; width: 65px;text-align:left;padding-left:15px; } #nav li ul a:link { color:#F1F1F1; text-decoration:none; } #nav li ul a:visited { color:#F1F1F1;text-decoration:none; } #nav li ul a:hover { color:#FFF;text-decoration:none;font-weight:normal;background:#C00; } #nav li:hover ul { left:25%; } #nav li.sfhover ul { left:25%; } #content { clear: left; } 
--> </style> <script type=text/javascript><!--//--><![CDATA[//><!-- function menuFix() { var sfEls = document.getElementById("nav").getElementsByTagName("li"); for (var i=0; i<sfEls.length; i++) { sfEls[i].onmouseover=function() { this.className+=(this.className.length>0? " ": "") + "sfhover"; } sfEls[i].onMouseDown=function() { this.className+=(this.className.length>0? " ": "") + "sfhover"; } sfEls[i].onMouseUp=function() { this.className+=(this.className.length>0? " ": "") + "sfhover"; } sfEls[i].onmouseout=function() { this.className=this.className.replace(new RegExp("( ?|^)sfhover\\b"), ""); } } } window.onload=menuFix; //--><!]]></script> </head> <body> <ul id="nav"> <li><a href="#">菜单一</a> <ul> <li><a href="#">菜单一</a></li> <li><a href="#">菜单一</a></li> <li><a href="#">菜单一</a></li> <li><a href="#">菜单一</a></li> <li><a href="#">菜单一</a></li> <li><a href="#">菜单一</a></li> </ul> </li> <li><a href="#">菜单二</a> <ul> <li><a href="#">菜单二</a></li> <li><a href="#">菜单二</a></li> <li><a href="#">菜单二</a></li> <li><a href="#">菜单二</a></li> <li><a href="#">菜单二</a></li> </ul> </li> <li><a href="#">菜单三</a> <ul> <li><a href="#">菜单三</a></li> <li><a href="#">菜单三</a></li> <li><a href="#">菜单三</a></li> <li><a href="#">菜单三</a></li> <li><a href="#">菜单三</a></li> </ul> </li> <li><a href="#">菜单四</a> <ul> <li><a href="#">菜单四</a></li> <li><a href="#">菜单四</a></li> <li><a href="#">菜单四</a></li> <li><a href="#">菜单四</a></li> <li><a href="#">菜单四</a></li> </ul> </li> <li><a href="#">菜单五</a> <ul> <li><a href="#">菜单五</a></li> <li><a href="#">菜单五</a></li> <li><a href="#">菜单五</a></li> <li><a href="#">菜单五</a></li> <li><a href="#">菜单五</a></li> </ul> </li> <li><a href="#">菜单六</a> <ul> <li><a href="#">菜单六</a></li> <li><a href="#">菜单六</a></li> <li><a href="#">菜单六</a></li> <li><a href="#">菜单六</a></li> <li><a href="#">菜单六</a></li> </ul> </li> </ul> </div> </body> </html>
