Il faut juste que tu actives la gestion des Scripts activeX dans outils-->option_internet-->securité-->-->Personnalisé le niveau!

Voila

<?
include("hydrus.php5");
//Verification des resultats
?>
<script language="JavaScript" type="text/javascript">

       function ExportExcel() {
               var oExcel;                             // Open Excel
               var oExcelSheet;                        // Sheet Excel
               var oWkBooks;

               // COPY THE CURRENT PAGE
               textRange = document.body.createTextRange();
               textRange.moveToElementText(divMain);
               textRange.execCommand('Copy');

               // OPEN EXCEL
               oExcel = new ActiveXObject('Excel.Application');
               oWkBooks = oExcel.Workbooks.Add;
               oExcelSheet = oWkBooks.Worksheets(1);
               oExcelSheet.Application.Visible = true;                
                      
               oExcelSheet.Activate();

               oExcel.ActiveSheet.Range('A1').Select;
               oExcel.ActiveCell.PasteSpecial(0,false,false);
                                     
               oExcel.ActiveSheet.Cells.EntireColumn.AutoFit;
               oExcel.ActiveSheet.Cells.EntireRow.AutoFit.AutoFit;
               oExcel.ActiveSheet.Range('A1').Select;
 }                               
</script>


<title> Menu </title>


<style type="text/css">
<!--
#Layer1 {
	position:absolute;
	left:522px;
	top:463px;
	width:19px;
	height:28px;
	z-index:1;
}
.Style6 {
	font-family: "Segoe UI";
	font-size: 9px;
}
#Layer2 {
	position:absolute;
	left:410px;
	top:239px;
	width:596px;
	height:601px;
	z-index:1;
}
#Layer4 {	position:absolute;
	left:11px;
	top:15px;
	width:193px;
	height:77px;
	z-index:14;
}
.Style19 {font-family: "Segoe UI"; font-size: xx-small; }
#Layer3 {
	position:absolute;
	left:11px;
	top:169px;
	width:1228px;
	height:27px;
	z-index:15;
}
.Style40 {font-family: "Segoe UI"; font-size: 12px; color: #000000; }
#Layer5 {
	position:absolute;
	left:9px;
	top:433px;
	width:1238px;
	height:23px;
	z-index:16;
}
#Layer6 {
	position:absolute;
	left:11px;
	top:93px;
	width:1242px;
	height:27px;
	z-index:17;
}
#Layer7 {
	position:absolute;
	left:10px;
	top:99px;
	width:1231px;
	height:31px;
	z-index:15;
}
#Layer8 {
	position:absolute;
	left:-4px;
	top:189px;
	width:1232px;
	height:34px;
	z-index:16;
}
-->
</style>

<div id="Layer7">
  <div id="divMain">
		
      <table width="900" border="1" bordercolor="#000000" class="Style19">
        <? echo "Repas Normaux pour le"; echo "&nbsp;"; echo $_GET['jour']; echo "&nbsp;"; echo "de la semaine";echo "&nbsp;"; echo $_GET['semaine'];?>
		<tr>
          <th width="150" align="center" valign="middle" class="Style19" scope="col">Nom</th>
          <th width="150" align="center" valign="middle" class="Style19" scope="col">Entr&eacute;e</th>
          <th width="150" align="center" valign="middle" class="Style19" scope="col">R&eacute;sistance </th>
          <th width="150" align="center" valign="middle" class="Style19" scope="col">L&eacute;gumes</th>
          <th width="150" align="center" valign="middle" class="Style19" scope="col">Fromage</th>
          <th width="150" align="center" valign="middle" class="Style19" scope="col">Dessert</th>
        </tr>
        <?
$requete_txt = "SELECT * FROM `menu_utilisateur` WHERE menu_semaine = ".$_GET['semaine']." and menu_jour = '".$_GET['jour']."' ORDER BY menu_jour ";
				$result = $bdd->result_to_array($bdd->query($requete_txt));
				for($i=0;$i<count($result);$i++)
					{
					print("<td align='center' valign='middle' >".stripslashes($result[$i][3])."</td>");
					print("<td align='center' valign='middle'>".stripslashes($result[$i][4])."</td>");
					print("<td align='center' valign='middle'>".stripslashes($result[$i][5])."</td>");
					print("<td align='center' valign='middle'>".stripslashes($result[$i][6])."</td>");
					print("<td align='center' valign='middle'>".stripslashes($result[$i][7])."</td>");
					print("<td align='center' valign='middle'>".stripslashes($result[$i][8])."</td>");
					print("</tr>");
					}
?>
      </table>

</div id="divMain">
</div>









<div id="Layer4">
  <td align="center" width="100%" class="buttonheading">
      <fieldset>
      <span class="Style40">Repas "Normaux"</span>
	</br>
      <tbody>
        <tr> </br>
            <? //<input name="image" type="image" onClick="imprime_zone('commande', 'fr');" value="Imprimer" src ="images/print.PNG" alt= "J'imprime le rapport..." />?>
            <input name="xls" type="image" onclick="ExportExcel();" value="Imprimer" src ="images/xls.PNG" alt= "J'exporte le rapport vers Excel..." />
			<a href="roseline.php5"><img src="images/restore.png" border="0" /></a>
			<? echo "<a href='roseline3.php5?semaine=".$_GET['semaine']."&jour=".$_GET['jour']."'><img src='images/restore2.png'border='0'/></a>"; ?>
           
        </tr>
      </tbody>
      </fieldset>
  </td>
</div>