Таймер с обратным отсчетом

timer.js

function get_timer() {

    var date = new Date(),		
        year = date.getFullYear(),
        month = date.getMonth()+1;

    if (month > 2) ++year;

    //Дата для обратного отсчета
    var date_new = 'February 01,' + year + ' 00:00', 
        date_t = new Date(date_new),
        timer = date_t - date;

    if(date_t > date) {
        $('.countdown .time').show();
        var day = parseInt(timer/(60*60*1000*24));
        if(day < 10) {
            day = '0' + day;
        }
        day = day.toString();
        var hour = parseInt(timer/(60*60*1000))%24;
        if(hour < 10) {
            hour = '0' + hour;
        }
        hour = hour.toString();
        var min = (parseInt(timer/(1000*60))%60)+1;
        if(min < 10) {
            min = '0' + min;
        }
        min = min.toString();
        var sec = parseInt(timer/1000)%60;
        if(sec < 10) {
            sec = '0' + sec;
        }
        sec = sec.toString(); 
    }

    if (month == 2) {
        $('.countdown .time').hide();
    }

    var cd = $('.countdown .time');

    $('.day span', cd).text(day);
    $('.hour span', cd).text(hour);
    $('.minute span', cd).text(min);

    setTimeout(get_timer, 1000);

}
get_timer();