codice:
<html>
<head>
<script type="text/javascript">
function no_sponsor(){
setTimeout('document.getElementById("sponsor").style.display = "none"',5000);}
function no_sponsor_subito(){
document.getElementById("sponsor").style.display = "none";}
</script>
</head>
<body onload="no_sponsor()">
<div id="sponsor" style="text-align: Center; position: Absolute; top: 50%; left: 50%; width: 500px; height: 200px; margin: -100px, -190px; visibility: visible;">
<center>
<table border="1" width="100%" >
<tr>
<td width="100%" height="20">
<p align="right">Chiudi [x]</p></td>
</tr>
<tr>
<td width="100%" height="190"><center>[img]spot.gif[/img]</td>
</tr>
</table>
</center>
</div>
</body>
5000 naturalmente è il numero di millisecondi.
Ciauuuu!
</html>