javascript clock

    <script type="text/javascript">
        $(function () {
            date_time(1423707076000);
        });

        function date_time(dateNum) {
            var date = new Date(dateNum);
            year = date.getFullYear();
            month = date.getMonth();
            months = new Array('Jan', 'Feb', 'Mar', 'Apr', 'May', 'Jun', 'Jul', 'Aug', 'Sep', 'Oct', 'Nov', 'Dec');
            d = date.getDate();
            h = date.getHours();
            if (h < 10) {
                h = "0" + h;
            }
            m = date.getMinutes();
            if (m < 10) {
                m = "0" + m;
            }
            s = date.getSeconds();
            if (s < 10) {
                s = "0" + s;
            }
            result = d + ' ' + months[month] + ' ' + year + ' ' + h + ':' + m + ':' + s;
            $("#clock").text(result);
            dataNum = dateNum + 1000;
            setTimeout("date_time(" +  dataNum + ")", "1000");
        }
    </script>