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 -------------------------- */
  /* ------ NAV ------ */
  btnnew_on = new Image;
  btnnew_on.src = "/img/en/menu_left_01_on.jpg";
  
  btnused_on = new Image;
  btnused_on.src = "/img/en/menu_left_02_on.jpg";
  
  btnpromos_on = new Image;
  btnpromos_on.src = "/img/en/menu_left_03_on.jpg";
  
  btnquote_on = new Image;
  btnquote_on.src = "/img/en/menu_left_04_on.jpg";
  
  btnservice_on = new Image;
  btnservice_on.src = "/img/en/menu_left_05_on.jpg";
  
  btnparts_on = new Image;
  btnparts_on.src = "/img/en/menu_left_06_on.jpg";
  
  btnbody_on = new Image;
  btnbody_on.src = "/img/en/menu_left_07_on.jpg";
  
  btnroadtest_on = new Image;
  btnroadtest_on.src = "/img/en/menu_left_08_on.jpg";
  
  /* ------ NEWCARS ------ */
  inva3_on = new Image;
  inva3_on.src = "/img/en/inv_a3_on.jpg";
  
  inva4_on = new Image;
  inva4_on.src = "/img/en/inv_a4_on.jpg";
  
  inva4avant_on = new Image;
  inva4avant_on.src = "/img/en/inv_a4avant_on.jpg";
  
  inva4con_on = new Image;
  inva4con_on.src = "/img/en/inv_a4cabriolet_on.jpg";
  
  inva5_on = new Image;
  inva5_on.src = "/img/en/inv_a5_on.jpg";
  
  inva6_on = new Image;
  inva6_on.src = "/img/en/inv_a6_on.jpg";
  
  inva6avant_on = new Image;
  inva6avant_on.src = "/img/en/inv_a6_avant_on.jpg";
  
  inva8_on = new Image;
  inva8_on.src = "/img/en/inv_a8_on.jpg";
  
  invr8_on = new Image;
  invr8_on.src = "/img/en/inv_r8_on.jpg";
  
  invrs4_on = new Image;
  invrs4_on.src = "/img/en/inv_rs4_on.jpg";
  
  invs4_on = new Image;
  invs4_on.src = "/img/en/inv_s4_on.jpg";
  
  invs4avant_on = new Image;
  invs4avant_on.src = "/img/en/inv_s4avant_on.jpg";
  
  invs4con_on = new Image;
  invs4con_on.src = "/img/en/inv_s4cabriolet_on.jpg";
  
  invs5_on = new Image;
  invs5_on.src = "/img/en/inv_s5_on.jpg";
  
  invs6_on = new Image;
  invs6_on.src = "/img/en/inv_s6_on.jpg";
  
  invs8_on = new Image;
  invs8_on.src = "/img/en/inv_s8_on.jpg";
  
  invttcoupe_on = new Image;
  invttcoupe_on.src = "/img/en/inv_ttcoupe_on.jpg";
  
  invttroad_on = new Image;
  invttroad_on.src = "/img/en/inv_ttcabriolet_on.jpg";
  
  invq7_on = new Image;
  invq7_on.src = "/img/en/inv_q7_on.jpg";
  
  
  
  /* -------------------------- OFF -------------------------- */
  /* ------ NAV ------ */
  btnnew_off = new Image;
  btnnew_off.src = "/img/en/menu_left_01_off.jpg";
  
  btnused_off = new Image;
  btnused_off.src = "/img/en/menu_left_02_off.jpg";
  
  btnpromos_off = new Image;
  btnpromos_off.src = "/img/en/menu_left_03_off.jpg";
  
  btnquote_off = new Image;
  btnquote_off.src = "/img/en/menu_left_04_off.jpg";
  
  btnservice_off = new Image;
  btnservice_off.src = "/img/en/menu_left_05_off.jpg";
  
  btnparts_off = new Image;
  btnparts_off.src = "/img/en/menu_left_06_off.jpg";
  
  btnbody_off = new Image;
  btnbody_off.src = "/img/en/menu_left_07_off.jpg";
  
  btnroadtest_off = new Image;
  btnroadtest_off.src = "/img/en/menu_left_08_off.jpg";
  
  /* ------ NEWCARS ------ */
  inva3_off = new Image;
  inva3_off.src = "/img/en/inv_a3_off.jpg";
  
  inva4_off = new Image;
  inva4_off.src = "/img/en/inv_a4_off.jpg";
  
  inva4avant_off = new Image;
  inva4avant_off.src = "/img/en/inv_a4avant_off.jpg";
  
  inva4con_off = new Image;
  inva4con_off.src = "/img/en/inv_a4cabriolet_off.jpg";
  
  inva5_off = new Image;
  inva5_off.src = "/img/en/inv_a5_off.jpg";
  
  inva6_off = new Image;
  inva6_off.src = "/img/en/inv_a6_off.jpg";
  
  inva6avant_off = new Image;
  inva6avant_off.src = "/img/en/inv_a6_avant_off.jpg";
  
  inva8_off = new Image;
  inva8_off.src = "/img/en/inv_a8_off.jpg";
  
  invr8_off = new Image;
  invr8_off.src = "/img/en/inv_r8_off.jpg";
  
  invrs4_off = new Image;
  invrs4_off.src = "/img/en/inv_rs4_off.jpg";
  
  invs4_off = new Image;
  invs4_off.src = "/img/en/inv_s4_off.jpg";
  
  invs4avant_off = new Image;
  invs4avant_off.src = "/img/en/inv_s4avant_off.jpg";
  
  invs4con_off = new Image;
  invs4con_off.src = "/img/en/inv_s4cabriolet_off.jpg";
  
  invs5_off = new Image;
  invs5_off.src = "/img/en/inv_s5_off.jpg";
  
  invs6_off = new Image;
  invs6_off.src = "/img/en/inv_s6_off.jpg";
  
  invs8_off = new Image;
  invs8_off.src = "/img/en/inv_s8_off.jpg";
  
  invttcoupe_off = new Image;
  invttcoupe_off.src = "/img/en/inv_ttcoupe_off.jpg";
  
  invttroad_off = new Image;
  invttroad_off.src = "/img/en/inv_ttcabriolet_off.jpg";
  
  invq7_off = new Image;
  invq7_off.src = "/img/en/inv_q7_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;
  }
}