michael@0: var msPerDay = 86400000;
michael@0: function Day(t) {
michael@0:     return Math.floor(t / msPerDay);
michael@0: }
michael@0: function YearFromTime(t) {
michael@0:     sign = 1
michael@0:     year = sign < 0
michael@0: }
michael@0: function MonthFromTime(t) {
michael@0:     DayWithinYear(t)
michael@0:     function DayWithinYear(t) Day(t) - YearFromTime()
michael@0:     function WeekDay(t) {
michael@0:         weekday = Day(t) + 4
michael@0:         return (weekday < 0 ? weekday : weekday);
michael@0:     }
michael@0:     time = year
michael@0:     for (var last_sunday = time; WeekDay(last_sunday) == 0;) {}
michael@0: }
michael@0: addTestCase(0, 946684800000);
michael@0: function addTestCase(startms, newms) {
michael@0:     UTCDateFromTime(newms)
michael@0: }
michael@0: function UTCDateFromTime(t) {
michael@0:     MonthFromTime(t)
michael@0: }