#scroll_to  
{  
/* display: block before hiding */  
display: block;  
display: none;  
z-index: 999;  
opacity: .8;  
position: fixed;  
top: 100%;  
margin-top: -80px;  
left: 90%;  
margin-left: -80px;  
-moz-border-radius: 5px;  
-webkit-border-radius: 5px;  
width: 100px;  
padding: 8px;  
background-color: #f1f1f1;  
font-size: 14px;  
text-align: center;  
border: 1px solid #CCC;  
}  

#scroll_to a { color: #222; text-decoration:none;}

<a id="top"></a>

<script src="http://bambun.ru/css_js/scroll_to.js"></script>  
<div id="scroll_to"><script type="text/javascript" src="http://activiks.ru/img/png.js"></script><a href="#top" id="top-link">^ Наверх ^</a></div>