grazie dell'attenzione. posto il codice
codice:
<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Frameset//EN" "DTD/xhtml1-frameset.dtd">
<html>
<head>
<meta http-equiv="Content-Type" content="text/html; charset=iso-8859-1" />
<title>Documento senza titolo</title>
<link href="pr.css" rel="stylesheet" type="text/css" />

<script type="text/JavaScript">
<!--
function MM_swapImgRestore() { //v3.0
  var i,x,a=document.MM_sr; for(i=0;a&&i<a.length&&(x=a[i])&&x.oSrc;i++) x.src=x.oSrc;
}

function MM_preloadImages() { //v3.0
  var d=document; if(d.images){ if(!d.MM_p) d.MM_p=new Array();
    var i,j=d.MM_p.length,a=MM_preloadImages.arguments; for(i=0; i<a.length; i++)
    if (a[i].indexOf("#")!=0){ d.MM_p[j]=new Image; d.MM_p[j++].src=a[i];}}
}

function MM_findObj(n, d) { //v4.01
  var p,i,x;  if(!d) d=document; if((p=n.indexOf("?"))>0&&parent.frames.length) {
    d=parent.frames[n.substring(p+1)].document; n=n.substring(0,p);}
  if(!(x=d[n])&&d.all) x=d.all[n]; for (i=0;!x&&i<d.forms.length;i++) x=d.forms[i][n];
  for(i=0;!x&&d.layers&&i<d.layers.length;i++) x=MM_findObj(n,d.layers[i].document);
  if(!x && d.getElementById) x=d.getElementById(n); return x;
}

function MM_swapImage() { //v3.0
  var i,j=0,x,a=MM_swapImage.arguments; document.MM_sr=new Array; for(i=0;i<(a.length-2);i+=3)
   if ((x=MM_findObj(a[i]))!=null){document.MM_sr[j++]=x; if(!x.oSrc) x.oSrc=x.src; x.src=a[i+2];}
}
//-->
</script>
<script language="JavaScript" type="text/javascript" src="script.js"></script>
</head>

<body onload="MM_preloadImages('images/libro_su.gif')" class="base">

<table border="0" cellpadding="0" cellspacing="0" class="main">

  <tr>
    <td id="sxmenu">
		           <div id="menu">
	<script language="javascript" type="text/javascript">
		 populateSWF('menu', 'menu2', 'menu2.swf', '160', '185');
	</script>
	

    </div>	
    <table width="100%" border="0" cellspacing="0" cellpadding="0">
      <tr>
        <td class="spazioy"></td>

      </tr>
      <tr>
        <td id="titbox7"></td>
      </tr>
      <tr>
        <td id="corpobox7">
<p align="center">[img]2005.gif[/img]</p>
</td>
      </tr>
    </table></td>

    <td colspan="3"><table width="0" border="0" cellspacing="0" cellpadding="0" class="interno">
      <tr>
        <td class="spaziox"></td>
        <td style="vertical-align:top;"><table width="0" border="0" cellspacing="0" cellpadding="0">
          <tr>
            <td id="titbox1"></td>
          </tr>
          <tr>
            <td id="corpobox1"><div id="pianta">

              <script language="JavaScript" type="text/javascript">
		 populateSWF('pianta', 'mappa2', 'mappa2.swf', '182', '90');
	        </script>
            </div>			</td>
          </tr>
        </table>		</td>
        <td class="spazioxpiu"></td>
        <td style="vertical-align:top;"><table width="0" border="0" cellspacing="0" cellpadding="0">
          <tr>

            <td id="titbox2"></td>
          </tr>
        </table>
          <table width="0" border="0" cellspacing="0" cellpadding="0">
            <tr>
              <td id="corpobox2"><p align="center"><a href="http://www.sito.org" target="_blank">[img]006.gif[/img]</p></a>
</td>
            </tr>
            </table></td>

      </tr>
      <tr>
        <td colspan="4" class="spazioy"></td>
        </tr>
      
    </table>
      <table width="0" border="0" cellspacing="0" cellpadding="0" class="interno">
      <tr>
        <td width="10" class="spaziox"></td>
        <td width="234" style="vertical-align:top;"><table width="0" border="0" cellspacing="0" cellpadding="0">

            <tr>
              <td width="191" id="titbox3"></td>
            </tr>
            <tr>
              <td id="corpobox3"><table width="100%" border="0" cellpadding="0" cellspacing="0">
  <tr> 
    <td width="93" class="testo"><div align="right">[img]images/loghetto.gif[/img]</img></div></td>
    <td width="105"><div align="left">[img]images/delmese2.gif[/img]</img></div></td>
  </tr>

  <tr> 
    <td></td>
    <td></td>
  </tr>
  <tr> 
    <td></td>
    <td></td>
  </tr>
  <tr align="center"> 
    <td colspan="2"><font color="#A4202A">

      Nome   </font> </td>
  </tr>
</table>
</td>
            </tr>
        </table></td>
		        <td id="corpobox5">[img]images/libro.gif[/img]</td>
        <td width="209" style="vertical-align:top;"><table width="0" border="0" cellspacing="0" cellpadding="0">

            <tr>
              <td id="titbox4"></td>
            </tr>
            <tr>
              <td id="corpobox4">[img]images/copertina.jpg[/img]</img>
<font color="#B52C29">&raquo;</font>La rivista on line.



 Scarica il pdf</td>
            </tr>

        </table></td>
      </tr>
      <tr>
        <td colspan="4" class="spazioy"></td>
        </tr>
    </table>
      <table width="0" border="0" cellspacing="0" cellpadding="0" class="interno">
      <tr>
        <td rowspan="2" class="spaziox"></td>

        <td id="titbox6"></td>
      </tr>
      <tr>
        <td id="corpobox6"><font color="#B52C29">&raquo;</font>
  Lecce
<font color="#B52C29">&raquo;</font>
 Bologna
<font color="#B52C29">&raquo;</font>
 Dal libro
</td>

      </tr>
    </table></td>
  </tr>
  
  <tr>
    <td colspan="3" class="spazioy"></td>
    <td colspan="3"></td>
  </tr>
  <tr>
    <td colspan="4" id="sx">	</td>

  </tr>
</table>
<table class="home" width="760" border="0" cellspacing="0" cellpadding="0" align="center">
  <tr>
    <td width="760" align="center" valign="middle" style="background-image:url(images/bottom.gif); background-repeat:no-repeat; width:760px; height:18px;"><div align="left"> 
          Visitatori: 73863    </div></td>
  </tr>
  <tr>
    <td height="18" align="center" valign="middle">


        

        

        [img]images/calamaio.gif[/img]<a href="mailto:email@email.it">WebM: 
</a></td>
  </tr>
</table>
</body>
</html>
forse un errore è qui
codice:
<p align="center"><a href="http://www.sito.org" target="_blank">[img]006.gif[/img]</p></a>