<!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>
<title>
下拉滚动门
</title>
<style type="text/css">
body{
margin:10px;
padding:10px;
}
body,td,div,span,li{
font-size:12px;
}
.title01,.title02{
color:#fff;
font-weight:bold;
}
#DoorP{
border:12px solid #eee;
width:150px;
height:300px;
padding:4px;
background:#fff;
}
.title01{
width:100%;
height:25px;
background:#00ccff;
cursor:pointer;
}
.title02{
width:100%;
height:25px;
background:#99cc00;
cursor:pointer;
}
.content{
background:#eee;
border-bottom:2px solid #fff;
overflow:hidden;
color:#666;
padding-left:4px;
padding-right:4px;
line-height:18px;
}
</style>
<!--
棕：#eee;
蓝：#00ccff;
绿：#99cc00;
-->
</head>
<body>
<div id="DoorP">
<table>
<tr>
<td>
第一层信息
</td>
</tr>
</table>
<div class="content">
</div>
<table>
<tr>
<td>
第二层信息
</td>
</tr>
</table>
<div class="content">
asd
</div>
<table>
<tr>
<td>
第三层信息
</td>
</tr>
</table>
<div class="content">
ddd
</div>
</div>
<script type="text/javascript">
var open = 0;// 设置初始打开的层序号
var openState = new Array();
var closeState = new Array();
var dH = 220;
function $(id){
if(document.getElementById(id))
{
return document.getElementById(id);
}
else
{
alert("没有找到!");
}
}
function $tag(id,tagName){
return $(id).getElementsByTagName(tagName)
}
function closeMe(Cid,Oid){
var h = parseInt(Ds[Cid].style.height);
//alert(h);
if(h > 0)
{
h = h - Math.ceil(h/3);
Ds[Cid].style.height = h+"px";
}
else
{
openMe(Oid);
clearTimeout(closeState[Cid]);
return false;
}
closeState[Cid] = setTimeout("closeMe("+Cid+","+Oid+")");
}
function openMe(Oid){
var h = parseInt(Ds[Oid].style.height);
//alert(h);
if(h < dH)
{
h = h + Math.ceil((dH-h)/3);
Ds[Oid].style.height = h+"px";
}
else
{
clearTimeout(openState[Oid]);
return false;
}
openState[Oid] = setTimeout("openMe("+Oid+")");
}
var Ds = $tag("DoorP","div");
var Ts = $tag("DoorP","table");
if(Ds.length != Ts.length)
{
alert("标题和内容数目不相同!");
}
for(var i = 0 ; i < Ds.length ; i++)
{
if(i==open)
{
Ds[i].style.height = dH+"px";
Ts[i].className="title01";
}
else
{
Ds[i].style.height = "0px";
Ts[i].className="title02";
}
Ts[i].value = i;
Ts[i].onclick = function(){
if(open==this.value)
{
return false;
}
Ts[open].className="title02";
Ts[this.value].className="title01";
for(var i = 0 ; i < openState.length ; i++)
{
clearTimeout(openState[i]);
clearTimeout(closeState[i]);
}
closeMe(open,this.value);
//openMe(this.value);
open = this.value;
}
}
//直接打开层函数
function showDiv(id){
Ds[id].style.height=dH+"px";
Ds[open].style.height="0px";
open = id;
}
//渐渐打开层函数
</script>
</body>
</html>
本文作者:未知
相关竖向收缩菜单的网页特效