<html>
<head>
<title>树状列表结构测试</title>
<style type="text/css">
* { margin:0; padding:0; border:0; }
body { font:12px/130% verdana, geneva, arial, helvetica, sans-serif, 宋体; }
li { list-style:none; }
.clearfix:after { content:" "; display:block; height:0; clear:both; visibility:hidden; }
.clearfix { display:inline-block; }
a:link { color:#000; text-decoration:none; }
a:visited { color:#000; text-decoration:none; }
a:hover { color:#000; text-decoration:none; }
.menu { width:778px; height:26px; background:#fff; margin:0 auto; }
.menusel { float:left; width:100px; position:relative; height:25px; background:#ddd; line-height: 25px; margin-left: 1px; *margin-left: 0px;
_margin-left: -1px; }
.menusel h2 { font-size:12px; }
.menusel a { display: block; text-align:center; width:100px; border:1px solid #a4a4a4; height:25px; border-bottom:1px solid #a4a4a4; position:relative; z-index:2; }
.menusel a:hover { border:1px solid #a4a4a4; border-bottom:1px dashed #eeeeee; position:relative; z-index:2; height:25px; }
.ahover a { border-bottom:1px dashed #eeeeee; background:#eeeeee; }
.position { position:absolute; z-index:1; }
.menusel ul { width:125px; background:#eee; border:1px solid #a4a4a4; margin-top: -1px; position:relative; z-index:1; display:none; }
.menusel .block { display:block; }
.typeul li { border-bottom:1px dashed #a4a4a4; width:125px; position:relative; float:left; }
.typeul li a { border:none; width:125px; }
.typeul li a:hover { border:none; background:#ddd; }
.typeul { margin-left:0; }
.typeul ul { left:125px; top:0; position:absolute; }
.fli { margin-left: -1px; border-left:#eeeeee solid 1px; }
.menusel .lli { border:none; }
</style>
<script type="text/javascript">
document.execCommand("BackgroundImageCache", false, true);
</script>
<!-- IE6背景图片闪烁问题 -->
</head>
<body>
<div class="menu">
<div id="menu1" class="menusel">
<h2>
<a href="http://www.codefans.net/jscss/">菜单1</a></h2>
<div class="position">
<ul class="clearfix typeul">
<li><a href="#">菜单选项1-2</a></li>
<li><a href="#">菜单选项1-2</a>
<ul>
<li class="fli"><a href="#">菜单选项1-2-1</a></li>
<li class="lli"><a href="#">菜单选项1-2-2</a></li>
</ul>
</li>
<li><a href="http://www.codefans.net">菜单选项1-2</a></li>
<li class="lli"><a href="#">菜单选项1-2</a></li>
</ul>
</div>
<!-- position -->
</div>
<!-- menusel -->
<div id="menu2" class="menusel">
<h2>
<a href="#">菜单2</a></h2>
<div class="position">
<ul class="clearfix typeul">
<li><a href="#">菜单选项2-2</a></li>
<li><a href="#">菜单选项2-2</a>
<ul>
<li class="fli"><a href="#">菜单选项2-2-1</a></li>
<li class="lli"><a href="#">菜单选项2-2-2</a>
<ul>
<li class="fli"><a href="#">菜单选项2-2-1</a></li>
<li class="lli"><a href="#">菜单选项2-2-2</a> </li>
</ul>
</li>
</ul>
</li>
<li><a href="#">菜单选项2-2</a></li>
<li class="lli"><a href="#">菜单选项2-2</a></li>
</ul>
</div>
<!-- position -->
</div>
<!-- menusel -->
<div id="menu3" class="menusel">
<h2>
<a href="#">菜单3</a></h2>
<div class="position">
<ul class="clearfix typeul">
<li><a href="#">菜单选项3-2</a></li>
<li><a href="#">菜单选项3-2</a>
<ul>
<li class="fli"><a href="#">菜单选项3-2-1</a></li>
<li class="lli"><a href="#">菜单选项3-2-2</a>
<ul>
<li class="fli"><a href="#">菜单选项3-2-1</a></li>
<li class="lli"><a href="#">菜单选项3-2-2</a>
<ul>
<li class="fli"><a href="#">菜单选项3-2-1</a></li>
<li class="lli"><a href="#">菜单选项3-2-2</a></li>
</ul>
</li>
</ul>
</li>
</ul>
</li>
<li><a href="#">菜单选项3-2</a></li>
<li class="lli"><a href="#">菜单选项3-2</a></li>
</ul>
</div>
<!-- position -->
</div>
<!-- menusel -->
</div>
<!-- menu -->
<script type="text/javascript">
for (var x = 1; x < 4; x++) {
var menuid = document.getElementById("menu" + x);
menuid.num = x;
type();
}
function type() {
var menuh2 = menuid.getElementsByTagName("h2");
var menuul = menuid.getElementsByTagName("ul");
var menuli = menuul[0].getElementsByTagName("li");
menuh2[0].onmouseover = show;
menuh2[0].onmouseout = unshow;
menuul[0].onmouseover = show;
menuul[0].onmouseout = unshow;
function show() {
menuul[0].className = "clearfix typeul block"
}
function unshow() {
menuul[0].className = "typeul"
}
for (var i = 0; i < menuli.length; i++) {
menuli[i].num = i;
var liul = menuli[i].getElementsByTagName("ul")[0];
if (liul) {
typeshow()
}
}
function typeshow() {
menuli[i].onmouseover = showul;
menuli[i].onmouseout = unshowul;
}
function showul() {
menuli[this.num].getElementsByTagName("ul")[0].className = "block";
}
function unshowul() {
menuli[this.num].getElementsByTagName("ul")[0].className = "";
}
}
</script>
</body>
</html>
