function get_hour() {
    var time = new Date();
    var hour = time.getHours();
    return hour + 1;
}
function get_minute() {
    var time = new Date();
    var minute = time.getMinutes();
    return minute + 1;
}
function set_time() {
        var min = Core.getElementU("minute");
        var hour = Core.getElementU("hour");
        if (hour==null || min==null)  {
           return;
        }
        hour.options[get_hour()].selected = 'true';
        min.options[get_minute()].selected = 'true';
}