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"){    
  social_on = new Image;
  social_on.src = "/img/en/menu_sec_02_on.gif";
  
  compare_on = new Image;
  compare_on.src = "/img/en/menu_sec_03_on.gif";
  
  finance_on = new Image;
  finance_on.src = "/img/en/menu_sec_04_on.gif";
  
  credit_on = new Image;
  credit_on.src = "/img/en/menu_sec_05_on.gif";
  
  fleet_on = new Image;
  fleet_on.src = "/img/en/menu_sec_06_on.gif";
  
  news_on = new Image;
  news_on.src = "/img/en/menu_sec_07_on.gif";
  
  team_on = new Image;
  team_on.src = "/img/en/menu_sec_08_on.gif";
  
  careers_on = new Image;
  careers_on.src = "/img/en/menu_sec_09_on.gif";
  
  
  
  
  
  social_off = new Image;
  social_off.src = "/img/en/menu_sec_02_off.gif";
  
  compare_off = new Image;
  compare_off.src = "/img/en/menu_sec_03_off.gif";
  
  finance_off = new Image;
  finance_off.src = "/img/en/menu_sec_04_off.gif";
  
  credit_off = new Image;
  credit_off.src = "/img/en/menu_sec_05_off.gif";
  
  fleet_off = new Image;
  fleet_off.src = "/img/en/menu_sec_06_off.gif";
  
  news_off = new Image;
  news_off.src = "/img/en/menu_sec_07_off.gif";
  
  team_off = new Image;
  team_off.src = "/img/en/menu_sec_08_off.gif";
  
  careers_off = new Image;
  careers_off.src = "/img/en/menu_sec_09_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;
  }
}