var temp_menu_class_name;

function menu_over(el) {
    temp_menu_class_name = el.parentNode.className;
    el.parentNode.className="menu_over";
}

function menu_out(el) {
    el.parentNode.className=temp_menu_class_name;
}

function menu_click(el) {
    window.location = el.firstChild.getAttribute("href");
}

function toggle_div(aid) {
    var img = document.getElementById("swap_image_" + aid);
    if (el = document.getElementById(aid)) {
        if (el.style.display == "none") {
            el.style.display = "";
            if (img) img.src = "images/b_minus.gif";
        } else {
            el.style.display = "none";
            if (img) img.src = "images/b_plus.gif";
        }
    }
}

function toggle_lieferanschrift(box) {
    if (el = document.getElementById('lieferanschrift')) {
        if (!box.checked) {
            el.style.display = "";
        } else {
            el.style.display = "none";
        }
    }
}