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"){    
  gr_on = new Image;
  gr_on.src = "/img/fr/inv_grand_vitara_on.gif";
  
  sw_on = new Image;
  sw_on.src = "/img/fr/inv_swift_on.gif";
  
  sxsedan_on = new Image;
  sxsedan_on.src = "/img/fr/inv_sx4_berline_on.gif";
    
  sx_on = new Image;
  sx_on.src = "/img/fr/inv_sx4_on.gif";
  
  xl_on = new Image;
  xl_on.src = "/img/fr/inv_xl7_on.gif";
  

  gr_off = new Image;
  gr_off.src = "/img/fr/inv_grand_vitara_off.gif";
  
  sw_off = new Image;
  sw_off.src = "/img/fr/inv_swift_off.gif";
  
  sxsedan_off = new Image;
  sxsedan_off.src = "/img/fr/inv_sx4_berline_off.gif";
    
  sx_off = new Image;
  sx_off.src = "/img/fr/inv_sx4_off.gif";
  
  xl_off = new Image;
  xl_off.src = "/img/fr/inv_xl7_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;
  }
}