function getNow() {
    var now = new Date();
    var year = "000" + now.getYear();
    var month = "0" + (now.getMonth() + 1);
    var day = "0" + now.getDate();
    var hour = "0" + now.getHours();
    var min  = "0" + now.getMinutes();
    year = year.substring(year.length - 4, year.length);
    month = month.substring(month.length - 2, month.length);
    day = day.substring(day.length - 2, day.length);
    hour = hour.substring(hour.length - 2, hour.length);
    min = min.substring(min.length - 2, min.length);
    return year + month + day + hour + min;
}