switch (langue_en_cours) {
 case "de":
  menusrc="menude.php";
 break;

 case "es":
  menusrc="menues.php";
 break;

 case "gb":
  menusrc="menugb.php";
 break;

 case "it":
  menusrc="menuit.php";
 break;

 case "po":
  menusrc="menupo.php";
 break;

 default:
  menusrc="menufr.php"; 
 break;
} // switch
document.write('<scr'+'ipt language="javascript" type="text/javascript" src="/fibd/menu/'+menusrc+'"></scr'+'ipt>');