<title>JS+CSS隨螢幕滾動浮動層</title>
<style>
html,body{
height:2000px;
}
</style>
</head>
<body>
<div id="aa" style="width:200px;height:200px;background:#c0c0c0;" >
<div align="right"><a href="javascript:viod(0)" onclick="divclose()">關閉</a></div>
</div>
</body>
</html>
<script>
function scroll(p){
var d = document,w = window,o = d.getElementById(p.id),ie6 = /msie 6/i.test(navigator.userAgent);
if(o){
o.style.cssText +=";position:"+(p.f&&!ie6?'fixed':'absolute')+";"+(p.r?'left':"right")+":0;"+(p.t!=undefined?'top:'+p.t+'px':'bottom:0');
if(!p.f||ie6){
-function(){
var t = 500,st = d.documentElement.scrollTop||d.body.scrollTop,c;
c = st - o.offsetTop + (p.t!=undefined?p.t:(w.innerHeight||d.documentElement.clientHeight)-o.offsetHeight);
c!=0&&(o.style.top = o.offsetTop + Math.ceil(Math.abs(c)/10)*(c<0?-1:1) + 'px',t=10);
setTimeout(arguments.callee,t)
}()
}
}
}
scroll({
id:'aa'
})
function divclose()
{
document.getElementById("aa").style.display='none';
}
</script>
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