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 -------- */
  /* -- MENU TOP -- */
  new_on = new Image;
  new_on.src = "/img/en/menu_top_01b_on.gif";
  
  used_on = new Image;
  used_on.src = "/img/en/menu_top_03_on.gif";
  
  service_on = new Image;
  service_on.src = "/img/en/menu_top_04_on.gif";
  
  express_on = new Image;
  express_on.src = "/img/en/menu_top_05_on.gif";
  
  credit_on = new Image;
  credit_on.src = "/img/en/menu_top_06_on.gif";
  
  promos_on = new Image;
  promos_on.src = "/img/en/menu_top_07_on.gif";
  
  contact_on = new Image;
  contact_on.src = "/img/en/menu_top_08_on.gif";
  
  /* -- MENU TOP 2 -- */
  tools_on = new Image;
  tools_on.src = "/img/en/menu_top2_02_on.gif";
  
  compare_on = new Image;
  compare_on.src = "/img/en/menu_top2_03_on.gif";
  
  eca_on = new Image;
  eca_on.src = "/img/en/menu_top2_04_on.gif";
  
  news_on = new Image;
  news_on.src = "/img/en/menu_top2_05_on.gif";
  
  road_on = new Image;
  road_on.src = "/img/en/menu_top2_06_on.gif";
  
  team_on = new Image;
  team_on.src = "/img/en/menu_top2_07_on.gif";
  
  careers_on = new Image;
  careers_on.src = "/img/en/menu_top2_08_on.gif";
  
  
  
  /* -------- OFF -------- */
  /* -- MENU TOP -- */
  new_off = new Image;
  new_off.src = "/img/en/menu_top_01b_off.gif";
  
  used_off = new Image;
  used_off.src = "/img/en/menu_top_03_off.gif";
  
  service_off = new Image;
  service_off.src = "/img/en/menu_top_04_off.gif";
  
  express_off = new Image;
  express_off.src = "/img/en/menu_top_05_off.gif";
  
  credit_off = new Image;
  credit_off.src = "/img/en/menu_top_06_off.gif";
  
  promos_off = new Image;
  promos_off.src = "/img/en/menu_top_07_off.gif";
  
  contact_off = new Image;
  contact_off.src = "/img/en/menu_top_08_off.gif";
  
  /* -- MENU TOP 2 -- */
  tools_off = new Image;
  tools_off.src = "/img/en/menu_top2_02_off.gif";
  
  compare_off = new Image;
  compare_off.src = "/img/en/menu_top2_03_off.gif";
  
  eca_off = new Image;
  eca_off.src = "/img/en/menu_top2_04_off.gif";
  
  news_off = new Image;
  news_off.src = "/img/en/menu_top2_05_off.gif";
  
  road_off = new Image;
  road_off.src = "/img/en/menu_top2_06_off.gif";
  
  team_off = new Image;
  team_off.src = "/img/en/menu_top2_07_off.gif";
  
  careers_off = new Image;
  careers_off.src = "/img/en/menu_top2_08_off.gif";
}

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;
  }
}