#advert {
     position: fixed;
     top: 0px;
     width: 310px;
     height: auto;
     right: 0px;
}
.sape {
     background: none repeat scroll 0px 0px #E8E8E8;
     line-height: 14px;
     z-index: 10;
     border-radius: 2px;
     margin: 2px;
     padding: 4px;
}
.block_stat_tod {
     background: none repeat scroll 0% 0% #D6D6D6;
     border-radius: 2px;
     width: 216px;
     margin: 4px auto;
     padding: 2px;
     text-align: center;
}

<div id="advert" class="sape" align="center">
  <div class="block_stat_tod" align="center"><a href="javascript://" onclick="$('#advert').slideToggle('slow');">Unitate de anunțuri - Ascunde ↑</a></div>  
<noindex>
<a href="http://mydomain.ucoz.ro" target="_blank"><img src="http://mydomain.ucoz.ro/advert.jpg"></a>
</noindex>
</div>