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"){    
c30_on = new Image;
c30_on.src = "/img/en/inventaire/inv_c30_on.gif";
c30_off = new Image;
c30_off.src = "/img/en/inventaire/inv_c30_off.gif";

c70_on = new Image;
c70_on.src = "/img/en/inventaire/inv_c70_on.gif";
c70_off = new Image;
c70_off.src = "/img/en/inventaire/inv_c70_off.gif";

s40_on = new Image;
s40_on.src = "/img/en/inventaire/inv_s40_on.gif";
s40_off = new Image;
s40_off.src = "/img/en/inventaire/inv_s40_off.gif";

s60_on = new Image;
s60_on.src = "/img/en/inventaire/inv_s60_on.gif";
s60_off = new Image;
s60_off.src = "/img/en/inventaire/inv_s60_off.gif";

s80_on = new Image;
s80_on.src = "/img/en/inventaire/inv_s80_on.gif";
s80_off = new Image;
s80_off.src = "/img/en/inventaire/inv_s80_off.gif";

v50_on = new Image;
v50_on.src = "/img/en/inventaire/inv_v50_on.gif";
v50_off = new Image;
v50_off.src = "/img/en/inventaire/inv_v50_off.gif";

v70_on = new Image;
v70_on.src = "/img/en/inventaire/inv_v70_on.gif";
v70_off = new Image;
v70_off.src = "/img/en/inventaire/inv_v70_off.gif";

xc70_on = new Image;
xc70_on.src = "/img/en/inventaire/inv_xc70_on.gif";
xc70_off = new Image;
xc70_off.src = "/img/en/inventaire/inv_xc70_off.gif";

xc90_5_on = new Image;
xc90_5_on.src = "/img/en/inventaire/inv_xc90_on.gif";
xc90_5_off = new Image;
xc90_5_off.src = "/img/en/inventaire/inv_xc90_off.gif";

xc90_7_on = new Image;
xc90_7_on.src = "/img/en/inventaire/inv_xc90_on.gif";
xc90_7_off = new Image;
xc90_7_off.src = "/img/en/inventaire/inv_xc90_off.gif";

xc60_on = new Image;
xc60_on.src = "/img/en/inventaire/inv_xc60_on.gif";
xc60_off = new Image;
xc60_off.src = "/img/en/inventaire/inv_xc60_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;
  }
}