<!--

function layer_toggle(obj) {
    if (obj.style.display == 'none') obj.style.display = 'block';
    else if (obj.style.display == 'block') obj.style.display = 'none';
}

function onclick_folder(hc, fd, url, check) {
    if (check == '0') {
        layer_toggle(hc);
    } else if (hc.style.display == 'none') {
        fd.src = url;
        layer_toggle(hc);
    } else {
        fd.src = url;
        layer_toggle(hc);
    }
}
-->