function langue(nom,location){
if (location.lastIndexOf("/"+nom+"/")==-1){
 
 // liste a modifier !!!! ATTENTION a la casse en serveur linux
 listlang = new Array("fr","ru","en","it","es","de","nl");
 listlang = listlang.slice(0);
 
 for(var i=0; i < listlang.length; i++){
  if (location.lastIndexOf("/"+listlang[i]+"/")!=-1){
   actu=listlang[i];
  }
 }
 
 window.location.href=location.replace("/"+actu+"/","/"+nom+"/");
}
}