
#totop{position:fixed;bottom:100px;right:30px;z-index:999;width:50px; 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:50px;padding-top:32px;background:url(../images/toTop.png) no-repeat;text-align:center;color:#888}
#totop a.cur{background-position:-50px 0;text-decoration:none;color:#3a9}