#toTop {
	width:40px; 
	height:40px; 
	position:fixed; 
	display:none;
	right:65px; 
	bottom:10px; 
	/*display:none; */
	background:url(../js/top_bg.png) no-repeat left top;}
#toTop:hover {
	background:url(../js/top_bg.png) no-repeat 0 -39px;}