echo "<div class='form-ligne'>";
  		echo "<div class='label'>Site :</div>";
  		echo "<div class='champ'><input name='site' type='text' size='50' maxlength='100' title='Saisir l adresse du site web du fabricant' value='";
			echo $r_site;
		echo "'></div>";
	echo "</div>";
	echo "<div class='form-ligne'>";
		echo "<div class='boutons'>";
			echo "<input type='submit' name='modif' value='Modifier'>";
		echo "</div>";
	echo "</div>";
  	echo "</form><br>";

	if(isset($_POST['modif']))
	{
		if(($_POST['nom']==NULL) && ($_POST['nom']=="<br />")){echo "<font color='red'>Le nom du fabricant est obligatoire.</font>";}
		$nom = htmlspecialchars($_POST['nom'], ENT_QUOTES);
		$rue = htmlspecialchars($_POST['rue'], ENT_QUOTES);
		$ville = htmlspecialchars($_POST['ville'], ENT_QUOTES);
		$sql = "UPDATE `fabricant` SET `fab_rue`='".$rue."', `fab_cp`=".$_POST['cp'].", `fab_ville`='".$ville."', `fab_tel`='".$_POST['tel']."', 
		`fab_fax`='".$_POST['fax']."', `fab_site`='".$_POST['site']."', `fab_mail`='".$_POST['mail']."' WHERE `fab_nom`='".$liste."' ";
		mysql_query("$sql") or die("<font color='red'>Invalid query : ".mysql_error()."</font>");
		if($sql){echo "<font color='green'>Fabricant modifié.</font>";}
	}

 echo "<input type=hidden name='liste' value='".$liste."'>" ; 

// dans ce formulaire  

 echo "<form name='form' method='POST'>";
  echo "<input type=hidden name='liste' value='".$liste."'>" ;    
 echo "Nom :";
    echo "<input type='text' name='nom' size='50' maxlength='50' value='";
    echo $r_nom;
      echo "Rue :";
      echo "<input name='rue' type='text' size='100' maxlength='150' value='";
    echo $r_rue;
    echo "'>";
      echo "</form><br>";