M... ma no dai...
prova ad aprire questo, metto tutto l'HTML e ho tolto id=headDiv:
codice:
<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
<html xmlns="http://www.w3.org/1999/xhtml">
<head>
<meta http-equiv="Content-Type" content="text/html; charset=iso-8859-1" />
<title>Documento senza titolo</title>
</head>
<body>
<table style="table-layout: fixed;" border="1" cellpadding="0" cellspacing="0" width="100%">
<tr>
<td colspan="2" valign="top">cel1</td>
</tr>
<tr>
<td width="20%">cel2</td>
<td width="80%">cel3</td>
</tr>
</table>
</body>
</html>