#toTop{display:none;text-decoration:none;position:fixed;bottom:10px;right:10px;overflow:hidden;width:51px;height:51px;border:none;text-indent:100%;opacity:0.5;-moz-opacity:0.5;filter:alpha(opacity=50);background:url(../images/ui.totop.png) no-repeat left top;}
#toTopHover{background:url(../images/ui.totop.png) no-repeat left -51px;width:51px;height:51px;display:block;overflow:hidden;float:left;opacity:0;-moz-opacity:0;filter:alpha(opacity=0);}
#toTop:active, #toTop:focus{outline:none;}