$result=mysql_query("select distinct marque, marque2, marque3 from articles");


$nb=mysql_num_rows($result);


echo $nb;


$g=0;





echo "<select>";





while ($g<$nb) {





$m1 =mysql_result($result,$g,"marque");


$m2 =mysql_result($result,$g,"marque2");


$m3 =mysql_result($result,$g,"marque3");





if (empty($m1) && empty($m2) && empty($m3)){ $tab = array();}


if (isset($m1) && empty($m2) && empty($m3)){ $tab = array("$m1");} elseif (isset($m1)  && isset($m2) && empty($m3)) { $tab = array("$m1","$m2"); } else {


$tab = array("$m1","$m2","$m3"); }





for($i=0;$i<sizeof($tab);$i++) // tant que $i est inferieur au nombre d'éléments du tableau...


   {echo "<option>$tab[$i]</option>"; // on affiche l'élément du tableau d'indice $i


   } $g=$g+1; }echo "</select>"; ?>

echo "<SELECT>";


$result=mysql_query("SELECT DISTINCT marque, marque2, marque3 FROM articles");


while($rows=mysql_fetch_array($result))


{


 for($i=0;$i<3;$i++)


  if($rows[$i]!="")


   echo "<OPTION>".$rows[$i]."</OPTION>";


}


echo "</SELECT>";

if (empty($tab[$i])){}else{echo "<option value="$tab[$i]">$tab[$i]</option>";}