browserName = navigator.appName;
browserVer = parseInt(navigator.appVersion);

if ((browserName == "Netscape" && browserVer >= 3)||
  (browserName == "Microsoft Internet Explorer" && browserVer >=4)) version = "n3";
else version = "x";

if (version == "n3"){
  /* ------------ ON ------------ */
  /* -- TOP MENU -- */
  new_on = new Image;
  new_on.src = "/img/fr/top_menu_02_on.gif";
  
  used_on = new Image;
  used_on.src = "/img/fr/top_menu_03_on.gif";
  
  service_on = new Image;
  service_on.src = "/img/fr/top_menu_04_on.gif";
  
  tools_on = new Image;
  tools_on.src = "/img/fr/top_menu_05_on.gif";
  
  promo_on = new Image;
  promo_on.src = "/img/fr/top_menu_06_on.gif";
  
  contactm_on = new Image;
  contactm_on.src = "/img/fr/top_menu_07_on.gif";
  
  /* -- HOMEPAGE -- */
  home1_on = new Image;
  home1_on.src = "/img/fr/accueil_01_a_on.jpg";
  
  home2_on = new Image;
  home2_on.src = "/img/fr/accueil_01_b_on.jpg";
  
  home3_on = new Image;
  home3_on.src = "/img/fr/accueil_01_c_on.jpg";
  
  
  
  /* ------------ OFF ------------ */
  /* -- TOP MENU -- */
  new_off = new Image;
  new_off.src = "/img/fr/top_menu_02_off.gif";
  
  used_off = new Image;
  used_off.src = "/img/fr/top_menu_03_off.gif";
  
  service_off = new Image;
  service_off.src = "/img/fr/top_menu_04_off.gif";
  
  tools_off = new Image;
  tools_off.src = "/img/fr/top_menu_05_off.gif";
  
  promo_off = new Image;
  promo_off.src = "/img/fr/top_menu_06_off.gif";
  
  contactm_off = new Image;
  contactm_off.src = "/img/fr/top_menu_07_off.gif";
  
  /* -- HOMEPAGE -- */
  home1_off = new Image;
  home1_off.src = "/img/fr/accueil_01_a_off.jpg";
  
  home2_off = new Image;
  home2_off.src = "/img/fr/accueil_01_b_off.jpg";
  
  home3_off = new Image;
  home3_off.src = "/img/fr/accueil_01_c_off.jpg";
}

function img_act(imgName){
  if (version == "n3"){
    imgOn = eval(imgName + "_on.src");
    document [imgName].src = imgOn;
  }
}

function img_inact(imgName){
  if (version == "n3"){
    imgOff = eval(imgName + "_off.src");
    document [imgName].src = imgOff;
  }
}