弹框提示

<html xmlns="http://www.w3.org/1999/xhtml">
<head>
<meta http-equiv="Content-Type" content="text/html; charset=gb2312" />
<title>弹出提示小窗口示例</title>
<style type="text/css">
* {margin:0px;padding:0px;}
html,body { height:100%;}
body { font-size:14px; line-height:24px;}
#tip {
position: absolute;
right: 0px;
bottom: 0px;
height: 0px;
 180px;
border: 1px solid #CCCCCC;
#eeeeee;
padding: 1px;
overflow:hidden;
display:none;
font-size:12px;
z-index:10;
}
#tip p { padding:6px;}
#tip h1,#detail h1 {
font-size:14px;
height:25px;
line-height:25px;
 
color:#FFFFFF;
padding:0px 3px 0px 3px;
filter: Alpha(Opacity=100);
}
#tip h1 a,#detail h1 a {
float:right;
text-decoration:none;
color:#FFFFFF;
}
#shadow {
position:absolute;
100%;
height:100%;
 
z-index:11;
filter: Alpha(Opacity=70);
display:none;
overflow:hidden;
}
#detail {
500px;
height:200px;
border:3px double #ccc;
 
position:absolute;
z-index:30;
display:none;
left:30%;
top:30%
}
</style>
<script type="text/javascript">
var handle;
function start()
{
var obj = document.getElementById("tip");
if (parseInt(obj.style.height)==0)
{ obj.style.display="block";
  handle = setInterval("changeH('up')",2);
}else
{
  handle = setInterval("changeH('down')",2)  
}  
}
function changeH(str)
{
var obj = document.getElementById("tip");
if(str=="up")
{
  if (parseInt(obj.style.height)>200)
  clearInterval(handle);
  else
  obj.style.height=(parseInt(obj.style.height)+8).toString()+"px";
}
if(str=="down")
{
  if (parseInt(obj.style.height)<8)
  { clearInterval(handle);
  obj.style.display="none";
  }
  else   
  obj.style.height=(parseInt(obj.style.height)-8).toString()+"px";  
}
}
function showwin()
{
document.getElementsByTagName("html")[0].style.overflow = "hidden";
start();
document.getElementById("shadow").style.display="block";
document.getElementById("detail").style.display="block";  
}
function recover()
{
document.getElementsByTagName("html")[0].style.overflow = "auto";
document.getElementById("shadow").style.display="none";
document.getElementById("detail").style.display="none";   
}
</script>
</head>
<body onload="document.getElementById('tip').style.height='0px'">
<div id="shadow"> </div>
<div id="detail">
 
</div>
<div id="tip"><h1><a href="javascript:void(0)" onclick="start()">×</a>消息提示</h1><p><a href="javascript:void(0)" onclick="showwin()">查看详细</a></p></div>
<p><a href="#" onclick="start()">点击查看未处理信息</a><br><br><br><br>
 
</body>
</html>
我于荒颓中睁眼 亦从灰烬里重燃
原文地址:https://www.cnblogs.com/Wtingting/p/6694998.html