function y2k(number) {
    return (number < 1000) ? number + 1900 : number;
}

function DayOfWeek(day,month,year) {
    var a = Math.floor((14 - month)/12);
    var y = year - a;
    var m = month + 12*a - 2;
    var d = (day + y + Math.floor(y/4) - Math.floor(y/100) +
             Math.floor(y/400) + Math.floor((31*m)/12)) % 7;
    return d + 1;
}

function makeArray()    {
    this[0] = makeArray.arguments.length;
    for (i = 0; i<makeArray.arguments.length; i++)
        this[i+1] = makeArray.arguments[i];
}

var daysofmonth   = new makeArray( 31, 28, 31, 30, 31, 30, 31, 31, 30, 31, 30, 31);
var daysofmonthLY = new makeArray( 31, 29, 31, 30, 31, 30, 31, 31, 30, 31, 30, 31);

function LeapYear(year) {
    if ((year/4)   != Math.floor(year/4))   return false;
    if ((year/100) != Math.floor(year/100)) return true;
    if ((year/400) != Math.floor(year/400)) return false;
    return true;
}

function NthDay(nth,weekday,month,year) {
    if (nth > -1) return (nth-1)*7 + 1 + (7 + weekday - DayOfWeek((nth-1)*7 + 1,month,year))%7;
    if (LeapYear(year)) var days = daysofmonthLY[month];
    else                var days = daysofmonth[month];
    return days - (DayOfWeek(days,month,year) - weekday + 7)%7;
}

var sun=1,mon=2,tue=3,wed=4,thu=5,fri=6,sat=7;
var jan=1,feb=2,mar=3,apr=4,may=5,jun=6,jul=7,aug=8,sep=9,oct=10,nov=11,dec=12;
var first=1,second=2,third=3,fourth=4,fifth=5,next=0,last=-1;

var daysofweek   = new makeArray('Sunday','Monday','Tuesday','Wednesday','Thursday','Friday','Saturday');
var monthsofyear = new makeArray('January','February','March','April','May','June','July','August','September','October','November','December');

function DayOfWeek(day,month,year) {
    var a = Math.floor((14 - month)/12);
    var y = year - a;
    var m = month + 12*a - 2;
    var d = (day + y + Math.floor(y/4) - Math.floor(y/100) + Math.floor(y/400) + Math.floor((31*m)/12)) % 7;
    return d+1;
}

function LongDateWithYear(day,month,year) {
    return daysofweek[DayOfWeek(day,month,year)] +' '+ monthsofyear[month] +' '+ day + ', '+ year;

}

function LongDate(day,month,year) {
    return daysofweek[DayOfWeek(day,month,year)] +' '+ monthsofyear[month] +' '+ day ;

}

function LastSunday() {
   theDate = new Date() 
   adjust = theDate.getDay() * 1000*60*60*24; // getday(): 0 = Sunday, 6 = saturday
   the_sunday = new Date(theDate.getTime() - adjust);
   the_mm = (the_sunday.getMonth() > 11) ? 1 : the_sunday.getMonth() + 1 ;  // Note: Java months start with 0
   return '/bulletin/pdf' + the_sunday.getYear() + '/cho41' + pad2(the_mm) + pad2( the_sunday.getDate() ) + '.pdf' ;
}

function pad2(number) { return (number < 10) ? '0' + number : number; }