function swap(item, stan) {
    imgid = document.getElementById('menu'+item);
    imgid.src = "images/menu_" + item + "_" + stan + ".jpg";
}
function swap_en(item, stan) {
    imgid = document.getElementById('menu'+item);
    imgid.src = "images_en/menu_" + item + "_" + stan + ".jpg";
}

        function displayWindow(url) {
                var Win = window.open(url,'','width=466,height=657,resizable=0,scrollbars=no,menubar=no' );
        }