两例DIV+JS三级折叠菜单,实用于后台管理

1、默认全部闭合状态:


 

代码
<!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">
<head>
<meta http-equiv="Content-Type" content="text/html; charset=gb2312" />
<title>三级折叠菜单</title>
<style>
*,body,ul,h1,h2
{ margin:0; padding:0; list-style:none;}
body
{font:12px "宋体"; padding-top:20px;}
a
{ color:#777;border:none;}
#menu
{ width:200px; margin:auto;}
#menu h1
{ font-size:12px; border:#C60 1px solid; margin-top:1px; background-color:#F93;}
#menu h2
{ font-size:12px; border:#E7E7E7 1px solid; border-top-color:#FFF; background-color:#F4F4F4;}
#menu ul
{ padding-left:15px; height:100px;border:#E7E7E7 1px solid; border-top:none;overflow:auto;}
#menu a
{ display:block; padding:5px 0 3px 10px; text-decoration:none; overflow:hidden;}
#menu a:hover
{ color:#6F0; background:#000;}
#menu .no
{display:none;}
#menu .h1 a
{color:#6F0;}
#menu .h2 a
{color:#06F;}
#menu h1 a
{color:#FFF;}
</style>
<script language="JavaScript">
<!--//
function ShowMenu(obj,n){
var Nav = obj.parentNode;
if(!Nav.id){
var BName = Nav.getElementsByTagName("ul");
var HName = Nav.getElementsByTagName("h2");
var t = 2;
}
else{
var BName = document.getElementById(Nav.id).getElementsByTagName("span");
var HName = document.getElementById(Nav.id).getElementsByTagName("h1");
var t = 1;
}
for(var i=0; i<HName.length;i++){
HName[i].innerHTML
= HName[i].innerHTML.replace("-","+");
HName[i].className
= "";
}
obj.className
= "h" + t;
for(var i=0; i<BName.length; i++){if(i!=n){BName[i].className = "no";}}
if(BName[n].className == "no"){
BName[n].className
= "";
obj.innerHTML
= obj.innerHTML.replace("+","-");
}
else{
BName[n].className
= "no";
obj.className
= "";
obj.innerHTML
= obj.innerHTML.replace("-","+");
}
}
//-->
</script>
</head>
<body>
<div id="menu">
<h1 onClick="javascript:ShowMenu(this,0)"><a href="javascript:void(0)">+ 一级菜单A</a></a></h1>
<span class="no">
<h2 onClick="javascript:ShowMenu(this,0)"><a href="javascript:void(0)">+ 一级菜单A_1</a></a></h2>
<ul class="no">
<a href="javascript:void(0)">一级菜单A_0</a>
<a href="javascript:void(0)">一级菜单A_1</a>
<a href="javascript:void(0)">一级菜单A_2</a>
<a href="javascript:void(0)">一级菜单A_3</a>
<a href="javascript:void(0)">一级菜单A_4</a>
<a href="javascript:void(0)">一级菜单A_5</a>
<a href="javascript:void(0)">一级菜单A_6</a>
<a href="javascript:void(0)">一级菜单A_7</a>
<a href="javascript:void(0)">一级菜单A_8</a>
<a href="javascript:void(0)">一级菜单A_9</a>
</ul>
<h2 onClick="javascript:ShowMenu(this,1)"><a href="javascript:void(0)">+ 一级菜单A_2</a></h2>
<ul class="no">
<a href="javascript:void(0)">一级菜单A_0</a>
<a href="javascript:void(0)">一级菜单A_1</a>
<a href="javascript:void(0)">一级菜单A_2</a>
<a href="javascript:void(0)">一级菜单A_3</a>
<a href="javascript:void(0)">一级菜单A_4</a>
<a href="javascript:void(0)">一级菜单A_5</a>
<a href="javascript:void(0)">一级菜单A_6</a>
<a href="javascript:void(0)">一级菜单A_7</a>
<a href="javascript:void(0)">一级菜单A_8</a>
<a href="javascript:void(0)">一级菜单A_9</a>
</ul>
<h2 onClick="javascript:ShowMenu(this,2)"><a href="javascript:void(0)">+ 一级菜单A_3</a></h2>
<ul class="no">
<a href="javascript:void(0)">一级菜单A_0</a>
<a href="javascript:void(0)">一级菜单A_1</a>
<a href="javascript:void(0)">一级菜单A_2</a>
<a href="javascript:void(0)">一级菜单A_3</a>
<a href="javascript:void(0)">一级菜单A_4</a>
<a href="javascript:void(0)">一级菜单A_5</a>
<a href="javascript:void(0)">一级菜单A_6</a>
<a href="javascript:void(0)">一级菜单A_7</a>
<a href="javascript:void(0)">一级菜单A_8</a>
<a href="javascript:void(0)">一级菜单A_9</a>
</ul>
<h2 onClick="javascript:ShowMenu(this,3)"><a href="javascript:void(0)">+ 一级菜单A_4</a></h2>
<ul class="no">
<a href="javascript:void(0)">一级菜单A_0</a>
<a href="javascript:void(0)">一级菜单A_1</a>
<a href="javascript:void(0)">一级菜单A_2</a>
<a href="javascript:void(0)">一级菜单A_3</a>
<a href="javascript:void(0)">一级菜单A_4</a>
<a href="javascript:void(0)">一级菜单A_5</a>
<a href="javascript:void(0)">一级菜单A_6</a>
<a href="javascript:void(0)">一级菜单A_7</a>
<a href="javascript:void(0)">一级菜单A_8</a>
<a href="javascript:void(0)">一级菜单A_9</a>
</ul>
<h2 onClick="javascript:ShowMenu(this,4)"><a href="javascript:void(0)">+ 一级菜单A_5</a></h2>
<ul class="no">
<a href="javascript:void(0)">一级菜单A_0</a>
<a href="javascript:void(0)">一级菜单A_1</a>
<a href="javascript:void(0)">一级菜单A_2</a>
<a href="javascript:void(0)">一级菜单A_3</a>
<a href="javascript:void(0)">一级菜单A_4</a>
<a href="javascript:void(0)">一级菜单A_5</a>
<a href="javascript:void(0)">一级菜单A_6</a>
<a href="javascript:void(0)">一级菜单A_7</a>
<a href="javascript:void(0)">一级菜单A_8</a>
<a href="javascript:void(0)">一级菜单A_9</a>
</ul>
<h2 onClick="javascript:ShowMenu(this,5)"><a href="javascript:void(0)">+ 一级菜单A_6</a></h2>
<ul class="no">
<a href="javascript:void(0)">一级菜单A_0</a>
<a href="javascript:void(0)">一级菜单A_1</a>
<a href="javascript:void(0)">一级菜单A_2</a>
<a href="javascript:void(0)">一级菜单A_3</a>
<a href="javascript:void(0)">一级菜单A_4</a>
<a href="javascript:void(0)">一级菜单A_5</a>
<a href="javascript:void(0)">一级菜单A_6</a>
<a href="javascript:void(0)">一级菜单A_7</a>
<a href="javascript:void(0)">一级菜单A_8</a>
<a href="javascript:void(0)">一级菜单A_9</a>
</ul>
<h2 onClick="javascript:ShowMenu(this,6)"><a href="javascript:void(0)">+ 一级菜单A_7</a></h2>
<ul class="no">
<a href="javascript:void(0)">一级菜单A_0</a>
<a href="javascript:void(0)">一级菜单A_1</a>
<a href="javascript:void(0)">一级菜单A_2</a>
<a href="javascript:void(0)">一级菜单A_3</a>
<a href="javascript:void(0)">一级菜单A_4</a>
<a href="javascript:void(0)">一级菜单A_5</a>
<a href="javascript:void(0)">一级菜单A_6</a>
<a href="javascript:void(0)">一级菜单A_7</a>
<a href="javascript:void(0)">一级菜单A_8</a>
<a href="javascript:void(0)">一级菜单A_9</a>
</ul>
<h2 onClick="javascript:ShowMenu(this,7)"><a href="javascript:void(0)">+ 一级菜单A_8</a></h2>
<ul class="no">
<a href="javascript:void(0)">一级菜单A_0</a>
<a href="javascript:void(0)">一级菜单A_1</a>
<a href="javascript:void(0)">一级菜单A_2</a>
<a href="javascript:void(0)">一级菜单A_3</a>
<a href="javascript:void(0)">一级菜单A_4</a>
<a href="javascript:void(0)">一级菜单A_5</a>
<a href="javascript:void(0)">一级菜单A_6</a>
<a href="javascript:void(0)">一级菜单A_7</a>
<a href="javascript:void(0)">一级菜单A_8</a>
<a href="javascript:void(0)">一级菜单A_9</a>
</ul>
<h2 onClick="javascript:ShowMenu(this,8)"><a href="javascript:void(0)">+ 一级菜单A_9</a></h2>
<ul class="no">
<a href="javascript:void(0)">一级菜单A_0</a>
<a href="javascript:void(0)">一级菜单A_1</a>
<a href="javascript:void(0)">一级菜单A_2</a>
<a href="javascript:void(0)">一级菜单A_3</a>
<a href="javascript:void(0)">一级菜单A_4</a>
<a href="javascript:void(0)">一级菜单A_5</a>
<a href="javascript:void(0)">一级菜单A_6</a>
<a href="javascript:void(0)">一级菜单A_7</a>
<a href="javascript:void(0)">一级菜单A_8</a>
<a href="javascript:void(0)">一级菜单A_9</a>
</ul>
<h2 onClick="javascript:ShowMenu(this,9)"><a href="javascript:void(0)">+ 一级菜单A_10</a></h2>
<ul class="no">
<a href="javascript:void(0)">一级菜单A_0</a>
<a href="javascript:void(0)">一级菜单A_1</a>
<a href="javascript:void(0)">一级菜单A_2</a>
<a href="javascript:void(0)">一级菜单A_3</a>
<a href="javascript:void(0)">一级菜单A_4</a>
<a href="javascript:void(0)">一级菜单A_5</a>
<a href="javascript:void(0)">一级菜单A_6</a>
<a href="javascript:void(0)">一级菜单A_7</a>
<a href="javascript:void(0)">一级菜单A_8</a>
<a href="javascript:void(0)">一级菜单A_9</a>
</ul>
<h2 onClick="javascript:ShowMenu(this,10)"><a href="javascript:void(0)">+ 一级菜单A_11</a></h2>
<ul class="no">
<a href="javascript:void(0)">一级菜单A_0</a>
<a href="javascript:void(0)">一级菜单A_1</a>
<a href="javascript:void(0)">一级菜单A_2</a>
<a href="javascript:void(0)">一级菜单A_3</a>
<a href="javascript:void(0)">一级菜单A_4</a>
<a href="javascript:void(0)">一级菜单A_5</a>
<a href="javascript:void(0)">一级菜单A_6</a>
<a href="javascript:void(0)">一级菜单A_7</a>
<a href="javascript:void(0)">一级菜单A_8</a>
<a href="javascript:void(0)">一级菜单A_9</a>
</ul>
<h2 onClick="javascript:ShowMenu(this,11)"><a href="javascript:void(0)">+ 一级菜单A_12</a></h2>
<ul class="no">
<a href="javascript:void(0)">一级菜单A_0</a>
<a href="javascript:void(0)">一级菜单A_1</a>
<a href="javascript:void(0)">一级菜单A_2</a>
<a href="javascript:void(0)">一级菜单A_3</a>
<a href="javascript:void(0)">一级菜单A_4</a>
<a href="javascript:void(0)">一级菜单A_5</a>
<a href="javascript:void(0)">一级菜单A_6</a>
<a href="javascript:void(0)">一级菜单A_7</a>
<a href="javascript:void(0)">一级菜单A_8</a>
<a href="javascript:void(0)">一级菜单A_9</a>
</ul>
</span>

<h1 onClick="javascript:ShowMenu(this,1)"><a href="javascript:void(0)">+ 二级菜单B</a></h1>
<span class="no">
<h2 onClick="javascript:ShowMenu(this,0)"><a href="javascript:void(0)">+ 二级菜单B_1</a></h2>
<ul class="no">
<a href="javascript:void(0)">二级菜单B_0</a>
<a href="javascript:void(0)">二级菜单B_1</a>
<a href="javascript:void(0)">二级菜单B_2</a>
<a href="javascript:void(0)">二级菜单B_3</a>
<a href="javascript:void(0)">二级菜单B_4</a>
<a href="javascript:void(0)">二级菜单B_5</a>
<a href="javascript:void(0)">二级菜单B_6</a>
<a href="javascript:void(0)">二级菜单B_7</a>
<a href="javascript:void(0)">二级菜单B_8</a>
<a href="javascript:void(0)">二级菜单B_9</a>
</ul>
<h2 onClick="javascript:ShowMenu(this,1)"><a href="javascript:void(0)">+ 二级菜单B_2</a></h2>
<ul class="no">
<a href="javascript:void(0)">二级菜单B_0</a>
<a href="javascript:void(0)">二级菜单B_1</a>
<a href="javascript:void(0)">二级菜单B_2</a>
<a href="javascript:void(0)">二级菜单B_3</a>
<a href="javascript:void(0)">二级菜单B_4</a>
<a href="javascript:void(0)">二级菜单B_5</a>
<a href="javascript:void(0)">二级菜单B_6</a>
<a href="javascript:void(0)">二级菜单B_7</a>
<a href="javascript:void(0)">二级菜单B_8</a>
<a href="javascript:void(0)">二级菜单B_9</a>
</ul>
</span>

<h1 onClick="javascript:ShowMenu(this,2)"><a href="javascript:void(0)">+ 三级菜单C</a></h1>
<span class="no">
<h2 onClick="javascript:ShowMenu(this,0)"><a href="javascript:void(0)">+ 三级菜单C_1</a></h2>
<ul class="no">
<a href="javascript:void(0)">三级菜单C_0</a>
<a href="javascript:void(0)">三级菜单C_1</a>
<a href="javascript:void(0)">三级菜单C_2</a>
<a href="javascript:void(0)">三级菜单C_3</a>
<a href="javascript:void(0)">三级菜单C_4</a>
<a href="javascript:void(0)">三级菜单C_5</a>
<a href="javascript:void(0)">三级菜单C_6</a>
<a href="javascript:void(0)">三级菜单C_7</a>
<a href="javascript:void(0)">三级菜单C_8</a>
<a href="javascript:void(0)">三级菜单C_9</a>
</ul>
<h2 onClick="javascript:ShowMenu(this,1)"><a href="javascript:void(0)">+ 三级菜单C_2</a></h2>
<ul class="no">
<a href="javascript:void(0)">三级菜单C_0</a>
<a href="javascript:void(0)">三级菜单C_1</a>
<a href="javascript:void(0)">三级菜单C_2</a>
<a href="javascript:void(0)">三级菜单C_3</a>
<a href="javascript:void(0)">三级菜单C_4</a>
<a href="javascript:void(0)">三级菜单C_5</a>
<a href="javascript:void(0)">三级菜单C_6</a>
<a href="javascript:void(0)">三级菜单C_7</a>
<a href="javascript:void(0)">三级菜单C_8</a>
<a href="javascript:void(0)">三级菜单C_9</a>
</ul>
</span>

<h1 onClick="javascript:ShowMenu(this,3)"><a href="javascript:void(0)">+ 四级菜单D</a></h1>
<span class="no">
<h2 onClick="javascript:ShowMenu(this,0)"><a href="javascript:void(0)">+ 四级菜单D_1</a></h2>
<ul class="no">
<a href="javascript:void(0)">四级菜单D_0</a>
<a href="javascript:void(0)">四级菜单D_1</a>
<a href="javascript:void(0)">四级菜单D_2</a>
<a href="javascript:void(0)">四级菜单D_3</a>
<a href="javascript:void(0)">四级菜单D_4</a>
<a href="javascript:void(0)">四级菜单D_5</a>
<a href="javascript:void(0)">四级菜单D_6</a>
<a href="javascript:void(0)">四级菜单D_7</a>
<a href="javascript:void(0)">四级菜单D_8</a>
<a href="javascript:void(0)">四级菜单D_9</a>
</ul>
<h2 onClick="javascript:ShowMenu(this,1)"><a href="javascript:void(0)">+ 四级菜单D_2</a></h2>
<ul class="no">
<a href="javascript:void(0)">四级菜单D_0</a>
<a href="javascript:void(0)">四级菜单D_1</a>
<a href="javascript:void(0)">四级菜单D_2</a>
<a href="javascript:void(0)">四级菜单D_3</a>
<a href="javascript:void(0)">四级菜单D_4</a>
<a href="javascript:void(0)">四级菜单D_5</a>
<a href="javascript:void(0)">四级菜单D_6</a>
<a href="javascript:void(0)">四级菜单D_7</a>
<a href="javascript:void(0)">四级菜单D_8</a>
<a href="javascript:void(0)">四级菜单D_9</a>
</ul>
</span>
</div>
</body>
</html>

 

 

 

2、默认第一项打开状态:

 

 

代码
<!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">
<head>
<meta http-equiv="Content-Type" content="text/html; charset=gb2312" />
<title>三级折叠菜单</title>
<style>
body,dl,ul,dt,dd,h2
{ margin:0; padding:0;}
body
{font:12px "宋体"; padding-top:20px;}
#menu
{ width:200px; margin:0 auto;}
#menu dt
{font-weight:700; font-size:12px; border:#C60 1px solid; margin-top:1px; background-color:#F93;}
#menu dd
{display:none;}
#menu dd h2
{display:block; font-size:12px; border:#E7E7E7 1px solid; border-top-color:#FFF; background-color:#F4F4F4;}
#menu dd ul
{ display:none;height:100px; padding-left:15px; border:#E7E7E7 1px solid; border-top:none; overflow:auto;}
#menu a
{color:#777; border:none; text-decoration:none;display:block; padding:5px 0 3px 10px; ; overflow:hidden;}
#menu dt a
{ color:#FFF; }
#menu dt.off a
{color:#6F0;}
#menu h2.off a
{color:#00F;}
#menu a:hover
{ color:#6F0; background-color:#333;}
</style>
</head>
<body>
<dl id="menu">
<dt><a href="javascript:void(0)">+ 一级菜单A</a></dt>
<dd>
<h2><a href="javascript:void(0)">+ 一级菜单A_1</a></h2>
<ul>
<a href="javascript:void(0)">一级菜单A_0</a>
<a href="javascript:void(0)">一级菜单A_1</a>
<a href="javascript:void(0)">一级菜单A_2</a>
<a href="javascript:void(0)">一级菜单A_3</a>
<a href="javascript:void(0)">一级菜单A_4</a>
<a href="javascript:void(0)">一级菜单A_5</a>
<a href="javascript:void(0)">一级菜单A_6</a>
<a href="javascript:void(0)">一级菜单A_7</a>
<a href="javascript:void(0)">一级菜单A_8</a>
<a href="javascript:void(0)">一级菜单A_9</a>
</ul>
<h2><a href="javascript:void(0)">+ 一级菜单A_2</a></h2>
<ul>
<a href="javascript:void(0)">一级菜单A_0</a>
<a href="javascript:void(0)">一级菜单A_1</a>
<a href="javascript:void(0)">一级菜单A_2</a>
<a href="javascript:void(0)">一级菜单A_3</a>
<a href="javascript:void(0)">一级菜单A_4</a>
<a href="javascript:void(0)">一级菜单A_5</a>
<a href="javascript:void(0)">一级菜单A_6</a>
<a href="javascript:void(0)">一级菜单A_7</a>
<a href="javascript:void(0)">一级菜单A_8</a>
<a href="javascript:void(0)">一级菜单A_9</a>
</ul>
<h2><a href="javascript:void(0)">+ 一级菜单A_3</a></h2>
<ul>
<a href="javascript:void(0)">一级菜单A_0</a>
<a href="javascript:void(0)">一级菜单A_1</a>
<a href="javascript:void(0)">一级菜单A_2</a>
<a href="javascript:void(0)">一级菜单A_3</a>
<a href="javascript:void(0)">一级菜单A_4</a>
<a href="javascript:void(0)">一级菜单A_5</a>
<a href="javascript:void(0)">一级菜单A_6</a>
<a href="javascript:void(0)">一级菜单A_7</a>
<a href="javascript:void(0)">一级菜单A_8</a>
<a href="javascript:void(0)">一级菜单A_9</a>
</ul>
<h2><a href="javascript:void(0)">+ 一级菜单A_4</a></h2>
<ul>
<a href="javascript:void(0)">一级菜单A_0</a>
<a href="javascript:void(0)">一级菜单A_1</a>
<a href="javascript:void(0)">一级菜单A_2</a>
<a href="javascript:void(0)">一级菜单A_3</a>
<a href="javascript:void(0)">一级菜单A_4</a>
<a href="javascript:void(0)">一级菜单A_5</a>
<a href="javascript:void(0)">一级菜单A_6</a>
<a href="javascript:void(0)">一级菜单A_7</a>
<a href="javascript:void(0)">一级菜单A_8</a>
<a href="javascript:void(0)">一级菜单A_9</a>
</ul>
</dd>

<dt><a href="javascript:void(0)">+ 二级菜单B</a></dt>
<dd>
<h2><a href="javascript:void(0)">+ 二级菜单B_1</a></h2>
<ul>
<a href="javascript:void(0)">二级菜单B_0</a>
<a href="javascript:void(0)">二级菜单B_1</a>
<a href="javascript:void(0)">二级菜单B_2</a>
<a href="javascript:void(0)">二级菜单B_3</a>
<a href="javascript:void(0)">二级菜单B_4</a>
<a href="javascript:void(0)">二级菜单B_5</a>
<a href="javascript:void(0)">二级菜单B_6</a>
<a href="javascript:void(0)">二级菜单B_7</a>
<a href="javascript:void(0)">二级菜单B_8</a>
<a href="javascript:void(0)">二级菜单B_9</a>
</ul>
<h2><a href="javascript:void(0)">+ 二级菜单B_2</a></h2>
<ul>
<a href="javascript:void(0)">二级菜单B_0</a>
<a href="javascript:void(0)">二级菜单B_1</a>
<a href="javascript:void(0)">二级菜单B_2</a>
<a href="javascript:void(0)">二级菜单B_3</a>
<a href="javascript:void(0)">二级菜单B_4</a>
<a href="javascript:void(0)">二级菜单B_5</a>
<a href="javascript:void(0)">二级菜单B_6</a>
<a href="javascript:void(0)">二级菜单B_7</a>
<a href="javascript:void(0)">二级菜单B_8</a>
<a href="javascript:void(0)">二级菜单B_9</a>
</ul>
</dd>

<dt><a href="javascript:void(0)">+ 三级菜单C</a></dt>
<dd>
<h2><a href="javascript:void(0)">+ 三级菜单C_1</a></h2>
<ul>
<a href="javascript:void(0)">三级菜单C_0</a>
<a href="javascript:void(0)">三级菜单C_1</a>
<a href="javascript:void(0)">三级菜单C_2</a>
<a href="javascript:void(0)">三级菜单C_3</a>
<a href="javascript:void(0)">三级菜单C_4</a>
<a href="javascript:void(0)">三级菜单C_5</a>
<a href="javascript:void(0)">三级菜单C_6</a>
<a href="javascript:void(0)">三级菜单C_7</a>
<a href="javascript:void(0)">三级菜单C_8</a>
<a href="javascript:void(0)">三级菜单C_9</a>
</ul>
<h2><a href="javascript:void(0)">+ 三级菜单C_2</a></h2>
<ul>
<a href="javascript:void(0)">三级菜单C_0</a>
<a href="javascript:void(0)">三级菜单C_1</a>
<a href="javascript:void(0)">三级菜单C_2</a>
<a href="javascript:void(0)">三级菜单C_3</a>
<a href="javascript:void(0)">三级菜单C_4</a>
<a href="javascript:void(0)">三级菜单C_5</a>
<a href="javascript:void(0)">三级菜单C_6</a>
<a href="javascript:void(0)">三级菜单C_7</a>
<a href="javascript:void(0)">三级菜单C_8</a>
<a href="javascript:void(0)">三级菜单C_9</a>
</ul>
</dd>

<dt><a href="javascript:void(0)">+ 四级菜单D</a></dt>
<dd>
<h2><a href="javascript:void(0)">+ 四级菜单D_1</a></h2>
<ul>
<a href="javascript:void(0)">四级菜单D_0</a>
<a href="javascript:void(0)">四级菜单D_1</a>
<a href="javascript:void(0)">四级菜单D_2</a>
<a href="javascript:void(0)">四级菜单D_3</a>
<a href="javascript:void(0)">四级菜单D_4</a>
<a href="javascript:void(0)">四级菜单D_5</a>
<a href="javascript:void(0)">四级菜单D_6</a>
<a href="javascript:void(0)">四级菜单D_7</a>
<a href="javascript:void(0)">四级菜单D_8</a>
<a href="javascript:void(0)">四级菜单D_9</a>
</ul>
<h2><a href="javascript:void(0)">+ 四级菜单D_2</a></h2>
<ul>
<a href="javascript:void(0)">四级菜单D_0</a>
<a href="javascript:void(0)">四级菜单D_1</a>
<a href="javascript:void(0)">四级菜单D_2</a>
<a href="javascript:void(0)">四级菜单D_3</a>
<a href="javascript:void(0)">四级菜单D_4</a>
<a href="javascript:void(0)">四级菜单D_5</a>
<a href="javascript:void(0)">四级菜单D_6</a>
<a href="javascript:void(0)">四级菜单D_7</a>
<a href="javascript:void(0)">四级菜单D_8</a>
<a href="javascript:void(0)">四级菜单D_9</a>
</ul>
</dd>
</dl>
<script language="JavaScript">
<!--//
function $Id(Id){return document.getElementById(Id);}
function $Tag(id,Tag){return id.getElementsByTagName(Tag);}
function ShowMenu(e){
var $dt = $Tag($Id(e),"dt");
var $dd = $Tag($Id(e),"dd");
$dd[
0].style.display = "block";
for(var t=0;t<$dt.length;t++){
$dt[t].value
=t;
$dt[t].onclick
= function(){return ShowClose(this,this.value);}
var $h2 = $Tag($dd[t],"h2");
for(var h=0;h<$h2.length;h++){
$h2[h].value
=h;
$h2[h].onclick
= function(){return ShowClose(this,this.value);}
}
}
function ShowClose(obj,n){
var dt = $Tag(obj.parentNode,obj.tagName);
var dd = $Tag(obj.parentNode,[obj.parentNode.tagName!="DL"?"ul":"dd"]);
if(dd.length==0 || !dd[n]){return false;}
if(dd[n].style.display == "block"){
obj.className
= "";
obj.innerHTML
= obj.innerHTML.replace("-","+");
dd[n].style.display
= "none";
return false;
}
for(var i=0;i<dt.length;i++){
dt[i].innerHTML
=[i!=n?dt[i].innerHTML.replace("-","+"):dt[i].innerHTML.replace("+","-")];
dt[i].className
=[i!=n?"":"off"];
}
for(var i=0;i<dd.length;i++){dd[i].style.display=[i!=n?"none":"block"];}
}
}
new ShowMenu( "menu");
//-->
</script>
</body>
</html>

 

 

演示:http://www.websjy.com/bbs/viewthread.php?tid=8520

posted @ 2010-12-15 13:07  设计源  阅读(546)  评论(0编辑  收藏  举报