Cosi
codice:
<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN">
<html>
<head>
<title>Untitled</title>
<script language="JavaScript" type="text/javascript">
<!--
function show(aDivName,showStatus) {
document.getElementById(aDivName).style.display = showStatus ? 'block' : 'none';
}
//-->
</script>
</head>
<body>
<input type="radio" name="r1" checked="true" onclick="show('gruppo1',true)">Mostra
<input type="radio" name="r1" onclick="show('gruppo1',false)">Nascondi
<div id="gruppo1">
<table summary="">
<tr>
<td>
</td>
</tr>
<tr>
<td>
<form action="pippo.html" method="post">
Nome<input type="text" name="nome" />
Cognome<input type="text" name="cognome" />
<input type="submit" value="Invio">
</form>
</td>
</tr>
</table>
</div>
</body>
</html>