$id_art = $HTTP_POST_VARS['id_art'];
$cat = $HTTP_POST_VARS['cat'];
$cat2 = $HTTP_POST_VARS['cat2'];
$cat3 = $HTTP_POST_VARS['cat3'];
$fam = $HTTP_POST_VARS['fam'];
$fam2 = $HTTP_POST_VARS['fam2'];
$fam3 = $HTTP_POST_VARS['fam3'];
$nom_art = $HTTP_POST_VARS['nom_art'];
$des_art = $HTTP_POST_VARS['des_art'];
$img_art = $HTTP_POST_VARS['img_art'];
$db = mysql_connect($host,$user, $password);
mysql_select_db($base, $db);
$sql = "UPDATE articles SET id_cat='$cat', id_cat2='$cat2', id_cat3='$cat3', id_fam='$fam', id_fam2='$fam2', id_fam3='$fam3', nom_art='$nom_art', des_art='$des_art', img_art='$img_art' WHERE id_art='$id_art'";
mysql_query($sql) or die('Erreur <br><br>'.mysql_error());