<!--
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(60,25);
        la1on.src = "../image/button-01b.gif";
        la1off = new Image(60,25);
        la1off.src = "../image/button-01.gif";

        la2on = new Image(60,25);
        la2on.src = "../image/button-02b.gif";
        la2off = new Image(60,25);
        la2off.src = "../image/button-02.gif";

        la3on = new Image(80,25);
        la3on.src = "../image/button-03b.gif";
        la3off = new Image(80,25);
        la3off.src = "../image/button-03.gif";

        la4on = new Image(80,25);
        la4on.src = "../image/button-04b.gif";
        la4off = new Image(80,25);
        la4off.src = "../image/button-04.gif";

        la5on = new Image(130,25);
        la5on.src = "../image/button-05b.gif";
        la5off = new Image(130,25);
        la5off.src = "../image/button-05.gif";

        la6on = new Image(80,25);
        la6on.src = "../image/button-06b.gif";
        la6off = new Image(80,25);
        la6off.src = "../image/button-06.gif";

        la7on = new Image(80,25);
        la7on.src = "../image/button-07b.gif";
        la7off = new Image(80,25);
        la7off.src = "../image/button-07.gif";

        la8on = new Image(80,25);
        la8on.src = "../image/button-08b.gif";
        la8off = new Image(80,25);
        la8off.src = "../image/button-08.gif";

        la9on = new Image(70,25);
        la9on.src = "../image/button-09b.gif";
        la9off = new Image(70,25);
        la9off.src = "../image/button-09.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;
        }
}
// -->