Michel : normale Tabelle in Javascript umwandeln

Hallo ich hoffe ihr dadaraussen könnt mir weiter helfen.

habe eine Tabelle im normalen HTML Quelltext geschrieben.
Möchte aber die Formatierung anders gestalten da mir Firefox bei einigen Tabellen dann ein Rechteck Anzeiget. ( zeigt mir ein leeren Block)
bekomme aber im Internet Explorer normale Ansicht ohne Block .
Danke im voraus

anbei Quelltext
<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN"
       "http://www.w3.org/TR/html4/loose.dtd">
         <html>
         <head>
        <title>Lebenslauf</title>
         </head>

<body bgcolor="#FFDAB9">
<p>&nbsp;</p>
<p>&nbsp;</p>

<table><table border="4" align="center" table bordercolor="#191970"  face="Arial Black"  width= "70%">
<tr>
<td valign="middle"><a href="Berwebungshomepage.html"><b><font face color= "#A52A2A"><p>Startseite</p></b>
</a width="15%"></td>
<td valign="middle"><a href="Lebenslauf.html"><b><font face color= "#A52A2A"><p>Lebenslauf</p></b></a width="15%"></td>
<td valign="middle"><a href="Zeugnisse.html"><b><font face color= "#A52A2A"><p>Zeugnisse</p></b></a width="15%"></td>
<td valign="middle"><a href="Erstellte-Grafiken.html"><p><font face color= "#A52A2A"><b>Erstellte-Grafiken</p></b>
</a width="15%"></td>
</tr>
</table>
<p>&nbsp;</p>

<h1><font face color= "#A52A2A"><p><b><p align="center">Lebenslauf</p></b></p></h1>
         </div>
         </tr>
         </table>
<br>
<br>
         <table border="5" p align="center"table bordercolor="#191970" width= "60%">
         <tr>
         <td rowspan="6"><p align="center"><b>Persönliche Daten</b></p></td>
         </tr>
         <tr>
         <td>Name</td>
         <td>xxxx</td>
         </tr>
         <tr>
         <td>Vorname</td>
         <td>xxxx</td>
          </tr>
          <tr>
         <td>Staatsangehörigkeit</td>
         <td>xxxx</td>
         </tr>
         <tr>
         <td>Geboren am:</td>
         <td>xxxx</td>
         </tr>
         <tr>
         <td>Geboren in: </td>
         <td>xxxx</td>
         </tr>
         <table>
<br>
<br>

<table border="5" p align="center"table bordercolor="#191970" width= "60%">
         <colgroup>
         <col span="15" width="15%">
         <col span="15" width="15%">
         </colgroup>
         <tr>
         <td rowspan="6"><p align="center"><b>Schulbildung</b></p></td>
         </tr>
         <tr>
         <td>xxxx</td>
         <td>xxxx</td>
         </tr>
         <tr>
         <td>xxxx</td>
         <td>xxxx</td>
          </tr>
          <tr>
         <td>xxxx</td>
         <td>xxxx</td>
         </tr>
         <tr>
         <td>xxxx </td>
         <td>xxxx</td>
         </tr>
         <tr>
         <td>xxxx</td>
         <td>xxxx</td>
         </tr>
         <table>
<br>
<br>
<table border="5" p align="center"table bordercolor="#191970" width= "60%">
<colgroup>
         <col span="20" width="25%">
         <col span="20" width="25%">
         </colgroup>
         <tr>
         <td rowspan="4"><p align="center"><b>Schulabschlüsse</b></p></td>
         </tr>
         <tr>
         <td>xxxx</td>

</tr>
         <tr>
         <td>xxxx</td>
         </tr>
         <tr>
         <td>xxxx</td>
         </tr>
         <table>
    <br>
    <br>

<table border="4" p align="center"table bordercolor="#191970" width= "60%">
<colgroup>
         <col span="30" width="25%">
         <col span="30" width="25%">
         </colgroup>
         <tr>
         <td colspan="4"><p align="center"><b>Praktikum</b></td>
         </tr>
         <tr>
         <td>Datum</td>
         <td>In welcher Firma</td>
         <td>Aufgabenbereiche</td>
         </tr>
         <tr>
         <td colspan="4"><p align="center">&nbsp;</td>
         </tr>
         <tr>
         <td>xxxx</td>
         <td>xxxx</td>
         <td>xxxx</td>
          </tr>
         <tr>
         <td>xxxx</td>
         <td>xxxx</td>
         <td>xxxx</td>
         </tr>
         <tr>
         <td>xxxx</td>
         <td>xxxx</td>
         <td>xxxx</td>
         </tr>
         <table>
<br>
<br>

<table border="5" p align="center"table bordercolor="#191970" width= "60%">
         <colgroup>
         <col span="20" width="25%">
         <col span="20" width="25%">
         </colgroup>
         <tr>
         <td rowspan="4"><p align="center"><b>Ausbildung</b></p></td>
         </tr>
         <tr>
         <td>xxxx</td>
         </tr>
         <tr>
         <td>xxxx</td>
         </tr>
         <table>
<br>
<br>
         <table border="5" p align="center"table bordercolor="#191970" width= "60%">
         <colgroup>
         <col span="20" width="25%">
         <col span="20" width="25%">
         </colgroup>
         <tr>
         <td rowspan="4"><p align="center"><b>Aneignung</b></p></td>
         </tr>
         <tr>
         <td>xxxx</td>
         </tr>
         <tr>
         <td>xxxx</td>
         </tr>
         <table>
<br>
<br>
         <table border="5" p align="center"table bordercolor="#191970" width= "60%">
         <colgroup>
         <col span="20" width="25%">
         <col span="20" width="25%">
         </colgroup>
         <tr>
         <td rowspan="5"><p align="center"><b>sonstige Stellen</b></p></td>
         </tr>
         <tr>
         <td>Datum</td>
         <td>welcher Betrieb</td>
         <td>Aufgabenbereiche</td>
         </tr>
         <tr>
         </tr>
         <tr>
         <td>xxxx</td>
         <td>xxxx</td>
         <td>xxxx</td>
         </tr>
         <tr>
         <td>xxxx</td>
         <td>xxxx</td>
         <td>xxxx</td>
         </tr>
         <table>
<br>
<br>
<a href="mailto:lollypopbln@gmx.de"><img src="Images/email.jpg" alt="" border="0" width="70" </a>
</body>
</html>

  1. ich bins noch mal habe den Fehler selber gefunden,

    hatte in einigen Tabellen mit

    <colgroup>
             <col span="15" width="15%">
             <col span="15" width="15%">
             </colgroup>

    gearbeitet.