<!-- cellule boutons menu-->
<tr>
<IMG SRC="images/menuspacer.gif" BORDER=0 WIDTH=25 HEIGHT=25></TD>  // Tu fermes un TD qui n'est pas ouvert
      <TD><a href="main1nvo.html"  TARGET="_self" onmouseover="un('m1')" onmouseout="deux('m1')" onclick="trois('m1')"   // Et ici tu ouvres un td qui n'est pas ferme et qui est en trop
    <td widht="5%" valign="top"><center><IMG SRC="images/b_accueil1.gif" BORDER=0 WIDTH=120 HEIGHT=30  name=menu1></a
><BR>
<IMG SRC="images/spacer.gif" BORDER=0 WIDTH=120 HEIGHT=40><BR><a href="main2nvo.html"  TARGET="_self"  onmouseover="un('m2')" onmouseout="deux('m2')" onclick="trois('m2')"
><IMG SRC="images/b_entreprise1.gif" BORDER=0 WIDTH=120 HEIGHT=30 name=menu2></a
><BR>
<IMG SRC="images/spacer.gif" BORDER=0 WIDTH=120 HEIGHT=40><BR><a href="main3nvo.html"  TARGET="_self"  onmouseover="un('m3')" onmouseout="deux('m3')" onclick="trois('m3')"
><IMG SRC="images/b_services1.gif" BORDER=0 WIDTH=120 HEIGHT=30 name=menu3></a
><BR>
<IMG SRC="images/spacer.gif" BORDER=0 WIDTH=120 HEIGHT=40><BR><a href="diaponewvo.htm"  TARGET="_self"  onmouseover="un('m4')" onmouseout="deux('m4')" onclick="trois('m4')"
><IMG SRC="images/b_produits1.gif" BORDER=0 WIDTH=120 HEIGHT=30 name=menu4></a
><BR>
<IMG SRC="images/spacer.gif" BORDER=0 WIDTH=140 HEIGHT=40><BR><a href="main5nvo.html"  TARGET="_self"  onmouseover="un('m5')" onmouseout="deux('m5')" onclick="trois('m5')"
><IMG SRC="images/b_soutien1.gif" BORDER=0 WIDTH=120 HEIGHT=30 name=menu5></a
><BR>
<IMG SRC="images/spacer.gif" BORDER=0 WIDTH=140 HEIGHT=40><BR><a href="main6nvo.html"  TARGET="_self"  onmouseover="un('m6')" onmouseout="deux('m6')" onclick="trois('m6')"
><IMG SRC="images/b_nouvelles1.gif" BORDER=0 WIDTH=120 HEIGHT=30 name=menu6></a
><BR>

<IMG SRC="images/spacer.gif" BORDER=0 WIDTH=140 HEIGHT=40><BR><a href="main7nvo.html"  TARGET="_self"  onmouseover="un('m7')" onmouseout="deux('m7')" onclick="trois('m7')"
><IMG SRC="images/b_telecharger1.gif" BORDER=0 WIDTH=120 HEIGHT=30 name=menu7></a
>
</center>
    </td>