JS实现右下角的弹窗

2015/03/09 39013
<!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>右下角的弹窗</title>
<style type="text/css">
body { background:#333333;}
#winpop { width:200px; height:0px; position:absolute; right:0; bottom:0; border:1px solid #999999; margin:0; padding:1px; 


overflow:hidden; display:none; background:#FFFFFF}
#winpop .title { width:100%; height:20px; line-height:20px; background:#FFCC00; font-weight:bold; text-align:center; font-


size:12px;}
#winpop .con { width:100%; height:80px; line-height:80px; font-weight:bold; font-size:12px; color:#FF0000; text-


decoration:underline; text-align:center}
#silu { font-size:13px; color:#999999; position:absolute; right:0; text-align:right; text-decoration:underline; line-height:22px;}
.close { position:absolute; right:4px; top:-1px; color:#FFFFFF; cursor:pointer}
</style>
<script type="text/javascript">
function tips_pop(){
var MsgPop=document.getElementById("winpop");
var popH=parseInt(MsgPop.style.height);
if (popH==0){         
MsgPop.style.display="block";
show=setInterval("changeH('up')",2);
}
else {      
hide=setInterval("changeH('down')",2);
}
}
function changeH(str) {
var MsgPop=document.getElementById("winpop");
var popH=parseInt(MsgPop.style.height);
if(str=="up"){     
if (popH<=100){    
MsgPop.style.height=(popH+4).toString()+"px";
}
else{
clearInterval(show);
}
}
if(str=="down"){
if (popH>=4){       
MsgPop.style.height=(popH-4).toString()+"px";
}
else{        
clearInterval(hide);   
MsgPop.style.display="none";  
}
}
}
window.onload=function(){   
document.getElementById('winpop').style.height='0px';
setTimeout("tips_pop()",800);   
}
</script>
</head>


<body>
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<hr>
<div id="silu">
<button onclick="tips_pop()">测试按钮</button>
</div>
<div id="winpop">
<div class="title">您有新的消息<span class="close" onclick="tips_pop()">X</span></div>
<div class="con">未读信息(1)</div>
</div>
<div><A href="http://www.open-open.com/">http://www.open-open.com/</A></div>
</body>
</html>
代码片段
