<!--
function swch(fen, nb_fen) {
   for (i = 0; i < nb_fen; i++) {
      id_cible = "fen" + i;      
      cible = document.getElementById(id_cible);
      id_fl_cible = "fen-fl" + i;  
      fl_cible = document.getElementById(id_fl_cible);
      if (i == fen) {
         if (cible.style.display == "none"){
            cible.style.display="";
         } else {
            cible.style.display="none";
         }
      } 
   }  
}

function all(fen, nb_fen) {
   for (i = 0; i < nb_fen; i++) {
      id_cible = "fen" + i;      
      cible = document.getElementById(id_cible);
      id_fl_cible = "fen-fl" + i;  
      fl_cible = document.getElementById(id_fl_cible);
      if (i >= fen) {
         if (cible.style.display == "none"){
            cible.style.display="";
         } else {
            cible.style.display="none";
         }
      } 
   }  
}

//-->