function getLanguage() {
        language = "";
        lang = window.location.pathname;
        test = lang.search(/deutsch/);
        if (test!=-1) {
                language = "/deutsch";
        }
        test = lang.search(/english/);
        if (test!=-1) {
                language = "/english";
        }
        return language;
}


function newImages(arg) {
        if (document.images) {
                rslt = new Image();
                rslt.src = arg;
                return rslt;
        }
}

function overImage(arg)  {
        if (document.images && (preloadFlag == true)) {
                imgname = ("navi_" + arg);
                imgovername = eval("navi_" + arg + "_over.src");
                document [imgname].src = imgovername;
        }
}

function outImage(arg)  {
        if (document.images && (preloadFlag == true)) {
                imgname = ("navi_" + arg);
                imgovername = eval("navi_" + arg + "_out.src");
                document [imgname].src = imgovername;
        }
}


var preloadFlag = false;
function preloadImages() {
        if (document.images) {
                directory = getLanguage();
                navi_02_out = newImages(directory + "/navigation/navi_02.gif");
                navi_03_out = newImages(directory + "/navigation/navi_03.gif");
                navi_05_out = newImages(directory + "/navigation/navi_05.gif");
                navi_06_out = newImages(directory + "/navigation/navi_06.gif");
                navi_07_out = newImages(directory + "/navigation/navi_07.gif");
                navi_08_out = newImages(directory + "/navigation/navi_08.gif");
                navi_09_out = newImages(directory + "/navigation/navi_09.gif");
                navi_02_over = newImages(directory + "/navigation/navi_02-over.gif");
                navi_03_over = newImages(directory + "/navigation/navi_03-over.gif");
                navi_05_over = newImages(directory + "/navigation/navi_05-over.gif");
                navi_06_over = newImages(directory + "/navigation/navi_06-over.gif");
                navi_07_over = newImages(directory + "/navigation/navi_07-over.gif");
                navi_08_over = newImages(directory + "/navigation/navi_08-over.gif");
                navi_09_over = newImages(directory + "/navigation/navi_09-over.gif");
                preloadFlag = true;
        }
}