*{padding:0; margin:0}
body{height:2000px}
#totop{position:fixed;bottom:40px;right:10px;z-index:999;width:35px; cursor:pointer; display:none; }
*html #totop{position:absolute;cursor:pointer;right:10px; display:none;top:expression(eval(document.documentElement.scrollTop+document.documentElement.clientHeight)-112+"px")}
#totop a{display:block;width:35px;padding-top:48px;background:url(../img/top.gif) no-repeat;text-align:center;color:#888}