function appendZero(obj) {
    obj = Number(obj);
    if (obj < 10) return "0" + "" + obj;
    else return obj;
}

function() getCurrentDay {
    return new Date().getFullYear() + ‘-‘ + appendZero(new Date().getMonth() + 1) + ‘-‘ + appendZero(new Date().getDate());
}

function timestampToDate(timestamp) {
    var now = new Date(Number(timestamp)),
    y = now.getFullYear(),
    m = now.getMonth() + 1,
    d = now.getDate();
    return y + "-" + appendZero(m) + "-" + appendZero(d) + " " + now.toTimeString().substr(0, 8);
}

function getMonthsByYears (year) {
    var months = [];
    for (var i = 1; i <= 12; i++) {
        months.push(year + ‘-‘ + $.appendZero(i));
    }
    return months;
}