function close_notice() {

    if (!getElementsByClass('notice') || !getElementsByClass('close')) return false;

    var notice = getElementsByClass('notice')[0];

    if (getElementsByClass('close',notice)[0]) {

        var close_link = getElementsByClass('close',notice)[0];

        close_link.onclick = function() { getElementsByClass('notice')[0].style.display = 'none'; return false; };

    }

    return true;


}

addLoadEvent(close_notice);