browserName = navigator.appName;
browserVer = navigator.appVersion
browserVer = browserVer.substring(0,1);

if (browserVer == '.') browserVer = 2; 
  else browserVer = browserVer;

if (browserName == "Netscape" && browserVer >= 3 || browserVer > 3) version = "n3";
  else version = "n2";

if (version == "n3")
{
certificationon = new Image();
certificationoff = new Image();
consumerson = new Image();
consumersoff = new Image();
cplon = new Image();
cploff = new Image();
manufacturerson = new Image();
manufacturersoff = new Image();
producton = new Image();
productoff = new Image();
recallson = new Image();
recallsoff = new Image();
regulatorson = new Image();
regulatorsoff = new Image();
retailerson = new Image();
retailersoff = new Image();
selectproducton = new Image();
selectproductoff = new Image();
serviceon = new Image();
serviceoff = new Image();
startedon = new Image();
startedoff = new Image();
storeon = new Image();
storeoff = new Image();
whoacceptson = new Image();
whoacceptsoff = new Image();
componentson = new Image();
componentsoff = new Image();

certificationon.src = "/nis/fra/certification_on.gif";
certificationoff.src = "/nis/fra/certification_off.gif";
consumerson.src = "/nis/fra/consumers_on.gif";
consumersoff.src = "/nis/fra/consumers_off.gif";
cplon.src = "/nis/fra/cpl_on.gif";
cploff.src = "/nis/fra/cpl_off.gif";
manufacturerson.src = "/nis/fra/manufacturers_on.gif";
manufacturersoff.src = "/nis/fra/manufacturers_off.gif";
producton.src = "/nis/fra/product_on.gif";
productoff.src = "/nis/fra/product_off.gif";
recallson.src = "/nis/fra/recalls_on.gif";
recallsoff.src = "/nis/fra/recalls_off.gif";
regulatorson.src = "/nis/fra/regulators_on.gif";
regulatorsoff.src = "/nis/fra/regulators_off.gif";
retailerson.src = "/nis/fra/retailers_on.gif";
retailersoff.src = "/nis/fra/retailers_off.gif";
selectproducton.src = "/nis/fra/selectproduct_on.gif";
selectproductoff.src = "/nis/fra/selectproduct_off.gif";
serviceon.src = "/nis/fra/service_on.gif";
serviceoff.src = "/nis/fra/service_off.gif";
startedon.src = "/nis/fra/started_on.gif";
startedoff.src = "/nis/fra/started_off.gif";
storeon.src = "/nis/fra/store_on.gif";
storeoff.src = "/nis/fra/store_off.gif";
whoacceptson.src = "/nis/fra/whoaccepts_on.gif";
whoacceptsoff.src = "/nis/fra/whoaccepts_off.gif";
componentson.src = "/nis/fra/components_on.gif";
componentsoff.src = "/nis/fra/components_off.gif";
}

function on(imgName) {
  if (version == "n3") {
    imgOn = eval(imgName + "on.src");
    document [imgName].src = imgOn;
  }
}

function off(imgName) {
  if (version == "n3") {
    imgOff = eval(imgName + "off.src");
    document [imgName].src = imgOff;
  }
}

function flip(imgName) {
  if (version == "n3") {
    imgNameRoot = imgName.substring(0,5)
    imgOn = eval(imgName + "on.src");
    document [imgNameRoot].src = imgOn;
  }
}