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"){    
  Aon = new Image;
  Aon.src = "/img/fr/menu_top_02_on.gif";
  Bon = new Image;
  Bon.src = "/img/fr/menu_top_03_on.gif";
  Con = new Image;
  Con.src = "/img/fr/menu_top_04_on.gif";
  Don = new Image;
  Don.src = "/img/fr/menu_top_05_on.gif";
  Eon = new Image;
  Eon.src = "/img/fr/menu_top_06_on.gif";
  
  
  Aoff = new Image;
  Aoff.src = "/img/fr/menu_top_02_off.gif";
  Boff = new Image;
  Boff.src = "/img/fr/menu_top_03_off.gif";
  Coff = new Image;
  Coff.src = "/img/fr/menu_top_04_off.gif";
  Doff = new Image;
  Doff.src = "/img/fr/menu_top_05_off.gif";
  Eoff = new Image;
  Eoff.src = "/img/fr/menu_top_06_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;
  }
}