div+js的伸缩控制代码（展开和关闭）
From：http://bbs.blueidea.com/thread-2861003-1-1.html
div的伸缩控制
===默认展开=========
折叠展开XML/HTML Code<!DOCTYPE html PUBLIC “-//W3C//DTD XHTML 1.0 Strict//EN”
“http://www.w3.org/TR/xhtml1/DTD/xhtml1-strict.dtd”>
<html xmlns=”http://www.w3.org/1999/xhtml”>
<head>
<title>runcode</title>
<meta http-equiv=”Content-Type” content=”text/html; charset=utf-8″ />
<meta name=”Author” content=”Sheneyan” />
<script type=”text/javascript”>
var mh = 30;//最小高度
var step = 5;//每次变化的px量
var ms = 10;//每隔多久循环一次
function toggle(o){
if (!o.tid)o.tid = “_” + Math.random() * 100;
if (!window.toggler)window.toggler = {};
if (!window.toggler[o.tid]){
window.toggler[o.tid]={
obj:o,
maxHeight:o.offsetHeight,
minHeight:mh,
timer:null,
action:1
};
}
oo.style.height = o.offsetHeight + “px”;
if (window.toggler[o.tid].timer)clearTimeout(window.toggler[o.tid].timer);
window.toggler[o.tid].action *= -1;
window.toggler[o.tid].timer = setTimeout(”anim(’”+o.tid+”‘)”,ms );
}
function anim(id){
var t = window.toggler[id];
var o = window.toggler[id].obj;
if (t.action < 0){
if (o.offsetHeight <= t.minHeight){
clearTimeout(t.timer);
return;
}
}
else{
if (o.offsetHeight >= t.maxHeight){
clearTimeout(t.timer);
return;
}
}
o.style.height = (parseInt(o.style.height, 10) + t.action * step) + “px”;
window.toggler[id].timer = setTimeout(”anim(’”+id+”‘)”,ms );
}
</script>
<style type=”text/css”>
div.xx{border:solid 1px;overflow:hidden;}
div.xx h5{border:solid 1px;border-width:0 0 1px;padding:0;margin:0;height:30px;line-height:30px;cursor:pointer;background:#eee;}
</style>
</head>
<body>
<div class=”xx”><h5 onclick=”toggle(this.parentNode)”>伸缩效果</h5>
<p>内容</p>
<p>内容</p>
<p>内容</p>
<p>内容</p>
</div>
</body>
</html>
—————————————————————–
==默认收缩========================
折叠展开XML/HTML Code<!DOCTYPE html PUBLIC “-//W3C//DTD XHTML 1.0 Strict//EN”
“http://www.w3.org/TR/xhtml1/DTD/xhtml1-strict.dtd”>
<html xmlns=”http://www.w3.org/1999/xhtml”>
<head>
<title>runcode</title>
<meta http-equiv=”Content-Type” content=”text/html; charset=gb2312″ />
<meta name=”Author” content=”Sheneyan” />
<script type=”text/javascript”>
var mh = 30;//最小高度
var step = 5;//每次变化的px量
var ms = 10;//每隔多久循环一次
function toggle(o){
if (!o.tid)o.tid = “_” + Math.random() * 100;
if (!window.toggler)window.toggler = {};
if (!window.toggler[o.tid]){
window.toggler[o.tid]={
obj:o,
//maxHeight:o.offsetHeight,
maxHeight:o.scrollHeight+mh, //这里改动处
minHeight:mh,
timer:null,
// action:1
action:-1 //这里改动处
};
}
oo.style.height = o.offsetHeight + “px”;
if (window.toggler[o.tid].timer)clearTimeout(window.toggler[o.tid].timer);
window.toggler[o.tid].action *= -1;
window.toggler[o.tid].timer = setTimeout(”anim(’”+o.tid+”‘)”,ms );
}
function anim(id){
var t = window.toggler[id];
var o = window.toggler[id].obj;
if (t.action < 0){
if (o.offsetHeight <= t.minHeight){
clearTimeout(t.timer);
return;
}
}
else{
if (o.offsetHeight >= t.maxHeight){
clearTimeout(t.timer);
return;
}
}
o.style.height = (parseInt(o.style.height, 10) + t.action * step) + “px”;
window.toggler[id].timer = setTimeout(”anim(’”+id+”‘)”,ms );
}
</script>
<style type=”text/css”>
div.xx{border:solid 1px;overflow:hidden; height:/*这里改动处*/30px;}
div.xx h5{border:solid 1px;border-width:0 0 1px;padding:0;margin:0;height:30px;line-height:30px;cursor:pointer;background:#eee;}
</style>
</head>
<body>
<div class=”xx”><h5 onclick=”toggle(this.parentNode)”>伸缩效果</h5>
<p>内容</p>
<p>内容</p>
<p>内容</p>
<p>内容</p>
</div>
</body>
</html>
—————————————–
===另外一个=================
折叠展开XML/HTML Code<html xmlns=”http://www.w3.org/1999/xhtml”>
<head>
<title>Untitled Document</title>
<meta http-equiv=”Content-Type” content=”text/html; charset=gb2312″ />
<style>
body{font-size:12px;}
</style>
<script>
function SenFe_Code(sname,sid){
if(sid.style.display==”none”){
sid.style.display=”block”;
sname.innerText=”隐藏”;
}else{
sid.style.display=”none”;
sname.innerText=”显示”;
}
}
</script>
<div OnClick=”SenFe_Code(this,SenFe_1);”>显示</div>
<div id=”SenFe_1″ style=”display:none;padding-left:30px;”>不显山，不露水。</div>