if (document.images) {
    var image_arrayLanguage = new Array();

    // path to the directory with images
    var path = '/public/images/INV/';

    // enumeration of the "active" images
    image_arrayLanguage[0] = path + "Sprachen_DE_Aktiv.png";
    image_arrayLanguage[1] = path + "Sprachen_EN_Aktiv.png";
    image_arrayLanguage[2] = path + "Sprachen_JP_Aktiv.png";

    var preload_imageLanguage = new Array();

    for (var i = 0; i < image_arrayLanguage.length; i++) {
        preload_imageLanguage[i] = new Image();
        preload_imageLanguage[i].src = image_arrayLanguage[i];
    }
}

function rollover(name, filename) {
    var fullpath = '/public/images/INV/' + filename;
    document.images[name].src = fullpath;
}