<!--
browserName = navigator.appName;
browserVer = parseInt(navigator.appVersion);
        if (browserName == "Netscape" && browserVer >= 3 || browserName == "Microsoft Internet Explorer" && browserVer >= 4) version = "n3";
        else version = "n2";
        
        if (version == "n3") {

        la1on = new Image(181,122);
        la1on.src = "./image/top-02b.gif";
        la1off = new Image(181,122);
        la1off.src = "./image/top-02.gif";

        la2on = new Image(173,122);
        la2on.src = "./image/top-03b.gif";
        la2off = new Image(173,122);
        la2off.src = "./image/top-03.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;
        }
}
// -->