<html xmlns="http://www.w3.org/1999/xhtml"> <head> <meta http-equiv="Content-Type" content="text/html; charset=utf-8" /> <title>无闪动的div层固定</title> <style type="text/css"> body{margin:0px; padding:0px;} #fixedBottom{ position:fixed; bottom:100px; _position:absolute; _bottom:100px; _top:expression(eval(document.documentElement.scrollTop+document.documentElement.clientHeight-this.offsetHeight-(parseInt(this.currentStyle.marginBottom,10)||100))); width:100%; height:30px; line-height:30px; border:1px solid #ccc; } #fixedTop{ position:fixed; top:0px; _position:absolute; _top:100px; _top:expression(eval(document.documentElement.scrollTop+(parseInt(this.currentStyle.marginTop,10)||100))); width:100%; height:30px; line-height:30px; border:1px solid #ccc; } *html{background-image:url(about:blank);background-attachment:fixed;} </style> </head> <body style="height:2000px;"> <div id="fixedTop">我吃了定心丹，风吹不动，雷打不动，我就定在这愁着你！</div> <div id="fixedBottom">我吃了定心丹，风吹不动，雷打不动，我就定在这愁着你！</div> </body> </html>