Ecco questo è il codice di una pagina, noterete che con chrome va benissimo, mentre con gli altri browser altera acune celle della tabella:
codice:
  
<html>
<head>
<title>AMZ GROUP</title>
<link rel="icon" href="favicon.ico">

<meta http-equiv="Content-Type" content="text/html; charset=iso-8859-1">
<meta name="description" content="FW MX DW MX HTML">

<script language="JavaScript" type="text/JavaScript">
<!--
function MM_reloadPage(init) {  //reloads the window if Nav4 resized
  if (init==true) with (navigator) {if ((appName=="Netscape")&&(parseInt(appVersion)==4)) {
    document.MM_pgW=innerWidth; document.MM_pgH=innerHeight; onresize=MM_reloadPage; }}
  else if (innerWidth!=document.MM_pgW || innerHeight!=document.MM_pgH) location.reload();
}
MM_reloadPage(true);
//-->
</script>

<meta http-equiv="imagetoolbar" content="no">

<script language="JavaScript">
var msg="Right Click Disabled!";
function disableIE() {if (document.all) {alert(msg);return false;}
}
function disableNS(e) {
  if (document.layers||(document.getElementById&&!document.all)) {
    if (e.which==2||e.which==3) {alert(msg);return false;}
  }
}
if (document.layers) {
  document.captureEvents(Event.MOUSEDOWN);document.onmousedown=disableNS;
} else {
  document.onmouseup=disableNS;document.oncontextmenu=disableIE;
}
document.oncontextmenu=new Function("alert(msg);return false")
</script>

<link href="../smltxt.css" rel="stylesheet" type="text/css">

</head>
<body background="back.jpg" topmargin="40" marginheight="40">




<div align="center">
  <table border="0" cellpadding="0" cellspacing="0" width="650">

    <tr> 
      
      <td height="1">[img]../images/spacer.gif[/img]</td>
      <td>[img]../images/spacer.gif[/img]</td>
      <td width="401"><div align="center">[img]../images/spacer.gif[/img]</div></td>
      <td>[img]../images/spacer.gif[/img]</td>
      <td>[img]../images/spacer.gif[/img]</td>
      <td>[img]../images/spacer.gif[/img]</td>
    </tr>
    <tr> 
      
      <td height="11" colspan="5">[img]../images/index_r1_c1.jpg[/img]</td>
      <td>[img]../images/spacer.gif[/img]</td>
    </tr>
    <tr> 
      
      <td rowspan="8">[img]../images/index_r2_c1.jpg[/img]</td>
      <td rowspan="8">[img]../images/index_r2_c2.jpg[/img]</td>
      <td rowspan="6" valign="top" background="back.jpg" class="txtstyle">

<font face="BankGothic Lt BT"  color="#FFFFFF" size="2" align="center">
</font>
</p></td>
      <td rowspan="6">[img]../images/index_r2_c4.jpg[/img]</td>
      <td height="48"><a href="../index.html">
      [img]../images/index_r2_c5.jpg[/img]
</a>
</td>
      <td>[img]../images/spacer.gif[/img]</td>
    </tr>
    <tr> 
      
      <td height="49"><a href="Web Develop.htm">
      [img]../images/index_r3_c5.jpg[/img]
</a>
</td>
      <td>[img]../images/spacer.gif[/img]</td>
    </tr>
    <tr> 
      
      <td height="52"><a href="#">
      [img]../images/index_r4_c5.jpg[/img]
</a>
</td>
      <td>[img]../images/spacer.gif[/img]</td>
    </tr>
    <tr> 
      
      <td height="50"><a href="Grafica.htm">
      [img]../images/index_r5_c5.jpg[/img]
</a>
</td>
      <td>[img]../images/spacer.gif[/img]</td>
    </tr>
    <tr> 
      
      <td height="50"><a href="Chi Siamo.htm">
      [img]../images/index_r6_c5.jpg[/img]
</a>
</td>
      <td>[img]../images/spacer.gif[/img]</td>
    </tr>
    <tr> 
      
      <td height="50"><a href="Contatti.htm">
      [img]../images/index_r7_c5.jpg[/img]
</a>
</td>
      <td>[img]../images/spacer.gif[/img]</td>
    </tr>
    <tr> 
      
      <td height="14" colspan="3">[img]../images/index_r8_c3.jpg[/img]</td>
      <td>[img]../images/spacer.gif[/img]</td>
    </tr>
    <tr> 
      
      <td height="1" colspan="3">[img]../images/index_r9_c3.jpg[/img]</td>
      <td>[img]../images/spacer.gif[/img]</td>
    </tr>

  </table>
</div>
	<div align="center" >
    

	</div>
  	
	
</body>
</html>