if (document.images) {            // Active Images

            homeon = new Image();
            homeon.src = "../img/gif/home_1.gif";
            abouton = new Image();
            abouton.src = "../img/gif/about_1.gif";
            albumson = new Image();
            albumson.src = "../img/gif/albums_1.gif";
            contacton = new Image();
            contacton.src = "../img/gif/contact_1.gif";
            lyricson = new Image();
            lyricson.src = "../img/gif/lyrics_1.gif";
            mp3on = new Image();
            mp3on.src = "../img/gif/mp3_1.gif";

            homeoff = new Image();
            homeoff.src = "../img/gif/home_0.gif";
            aboutoff = new Image();
            aboutoff.src = "../img/gif/about_0.gif";
            albumsoff = new Image();
            albumsoff.src = "../img/gif/albums_0.gif";
            contactoff = new Image();
            contactoff.src = "../img/gif/contact_0.gif";
            lyricsoff = new Image();
            lyricsoff.src = "../img/gif/lyrics_0.gif";
            mp3off = new Image();
            mp3off.src = "../img/gif/mp3_0.gif";

        }

// Function to 'activate' images.
function imgOn(imgName) {
        if (document.images) {
            document[imgName].src = eval(imgName + "on.src");
        }
}

// Function to 'deactivate' images.
function imgOff(imgName) {
        if (document.images) {
            document[imgName].src = eval(imgName + "off.src");
        }
}