browserName = navigator.appName;browserVer = parseInt(navigator.appVersion);if (browserName == "Netscape" && browserVer>= 3) version = "n3";else version = "n2";if (browserVer >= 4) version = "n3";if (version == "n3") {
        pic1on = new Image(); pic1off = new Image();
        pic1on.src = "images/homeon.gif"; pic1off.src = "images/homeoff.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;}}