#tbox{width:47px; height:73px; float:right; position:fixed;_position:absolute;_bottom:auto;_top:expression(eval(document.documentElement.scrollTop+document.documentElement.clientHeight-this.offsetHeight-(parseInt(this.currentStyle.marginTop,10)||0)-(parseInt(this.currentStyle.marginBottom,10)||0)));_margin-bottom:10px;}/*���IE6�²����� position:fixed ������*/
#gotop{ width:44px; height:62px; background:url(../images/top01.png) no-repeat; position:absolute; top:0px; display:none; cursor:pointer} 
#gotop:hover{ background:url(../images/top02.png) no-repeat;}