correggo:

<table width="579" height="100%" border="0" cellpadding="0" cellspacing="0">
<tr>
<td width="19" valign="top">[img]../images/spazio.gif[/img]</td>
<td width="110" valign="top">[img]../images/VdiClev.gif[/img]</td>
<td width="450" valign="top"><table width="450" border="0" cellspacing="0" cellpadding="0">
<tr>
<td height="10">[img]../images/spazio.gif[/img]</td>
</tr>
<tr>
<td>[img]../images/titoloclev.gif[/img]</td>
</tr>
<tr>
<td height="2">[img]../images/separatore5.gif[/img]</td>
</tr>
</table>


<iframe name="contenuto" id="contenuto" frameborder=0 scrolling=Yes marginwidth=0 width=440 height=100% src="chisiamo.html"></iframe>

</td>
</tr>