if (document.images) {
    homeon = new Image(417, 60);
    homeon.src = "Layout/graphics/home-on.png";
    homeoff = new Image(417, 60);
    homeoff.src = "Layout/graphics/buttons-off.png";
    abouton = new Image(417, 60);
    abouton.src = "Layout/graphics/about-on.png";
    aboutoff = new Image(417, 60);
    aboutoff.src = "Layout/graphics/buttons-off.png";
    politicson = new Image(417, 60);
    politicson.src = "Layout/graphics/politics-on.png";
    politicsoff = new Image(417, 60);
    politicsoff.src = "Layout/graphics/buttons-off.png";
    gameson = new Image(417, 60);
    gameson.src = "Layout/graphics/games-on.png";
    gamesoff = new Image(417, 60);
    gamesoff.src = "Layout/graphics/buttons-off.png";
    personalon = new Image(417, 60);
    personalon.src = "Layout/graphics/personal-on.png";
    personaloff = new Image(417, 60);
    personaloff.src = "Layout/graphics/buttons-off.png";
}
function img_actbar(imgName) {
    if (document.images) {
        imgOn = eval(imgName + "on.src");
        document.alloff.src = imgOn;
    }
}
function img_inactbar(imgName) {
    if (document.images) {
        imgOff = eval(imgName + "off.src");
        document.alloff.src = imgOff;
    }
}