var id_page_courante = 0;
var id_rollover_actif = 0;
var menu_rollover_actif = 0;
var style_actif = null;
var timer_rollover = null;
var delai = 512;

function affich_ssmenu( id, menu, style) {
  //if( timer_rollover != null && id_rollover_actif != 0) {
  if( id_rollover_actif != 0) {
    clearTimeout( timer_rollover);
    timer_rollover = null;
    document.getElementById("ssmenu_"+id_rollover_actif).style.display = 'none';
    menu_rollover_actif.className = 'menu_elt' + style_actif;
  }
  document.getElementById("ssmenu_"+id).style.display = 'block';
  menu.className = 'menu_elt' + style + '_on';
  id_rollover_actif = id;
  menu_rollover_actif = menu;
  style_actif = style;
}

function affich_ssmenu_init( id, menu, style) {
  
  document.getElementById("ssmenu_"+id).style.display = 'block';
  menu.className = 'menu_elt' + style + '_on';
  id_rollover_actif = id;
  menu_rollover_actif = menu;
  style_actif = style;
}

function cache_ssmenu( id, menu) {
  clearTimeout( timer_rollover);
  timer_rollover = setTimeout( function() { 
    document.getElementById("ssmenu_"+id).style.display = 'none';
    menu.className = 'menu_elt' + style_actif;
    timer_rollover = null;
  }, delai);
}

function reset_timer_rollover() {
  clearTimeout( timer_rollover);
}

function cache_ssmenu_elt() {
  clearTimeout( timer_rollover);
  timer_rollover = setTimeout( function() { 
    document.getElementById("ssmenu_"+id_rollover_actif).style.display = 'none';
    if (typeof(menu_rollover_actif) != 'undefined')
      menu_rollover_actif.className = 'menu_elt' + style_actif; 
    timer_rollover = null;
  }, delai);
}

function menu_init() {
  id = document.getElementById("init_menu_value").value;
  if (id == 1) id = 2; // Pour le menu Histoire qui est passé dans ADN
  id_page_courante = id;
  id_rollover_actif = id;
  menu_rollover_actif = id;
  style_actif = '';
  if (id == 10) style_actif = '_ecolochic';
  if (id == 13) style_actif = '_ecolochic2';
  if (id == 14) style_actif = '_ecolochic3';
  if (id != 0)
    affich_ssmenu_init( id, document.getElementById("menu_"+id), style_actif);
}

window.onload = menu_init;