<a href="#" class="gotop" title="Наверх" style="display: inline;"></a>
<style>.gotop {
position: fixed;
width: 85px;
height: 65px;
right: 20px;
bottom: 5px;
display: block;
background: url('http://csomsk.ru/1-ucoz/csomsk/rip/gotop.png') no-repeat;
z-index: 9998;
display: none;opacity: 0.5;
}
.gotop:hover {opacity: 1.0;}</style>