/* html {
_backgroundimage: url(about:blank); 用浏览器空白页面作为背景
_backgroundattachment: fixed; prevent screen flash in IE6 确保滚动条滚动时，元素不闪动
} */
#totop{position:fixed;bottom:10px;right:50px;z-index:999;width:71px; 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:70px;height:80px;padding-top:48px;background:url(../images/toTop.gif) no-repeat;text-align:center;color:#888}
#totop img{margin-bottom:0px;}
#totop a.cur{background-position:-88px 0;text-decoration:none;color:#3a9}
/* .emb{margin-left:100px;margin-top:50px;} */