var fixd;

function isGregLeapYear(year) {
    return year % 4 == 0 && year % 100 != 0 || year % 400 == 0;
}


function gregToFixed(year, month, day) {
    var a = Math.floor((year - 1) / 4);
    var b = Math.floor((year - 1) / 100);
    var c = Math.floor((year - 1) / 400);
    var d = Math.floor((367 * month - 362) / 12);

    if (month <= 2)
        e = 0;
    else if (month > 2 && isGregLeapYear(year))
        e = -1;
    else
        e = -2;

    return 1 - 1 + 365 * (year - 1) + a - b + c + d + e + day;
}

function Hijri(year, month, day) {
    this.year = year;
    this.month = month;
    this.day = day;
    this.toFixed = hijriToFixed;
    this.toString = hijriToString;
}

function hijriToFixed() {
    return this.day + Math.ceil(29.5 * (this.month - 1)) + (this.year - 1) * 354 +
Math.floor((3 + 11 * this.year) / 30) + 227015 - 1;
}

function hijriToString() {
    var months = new Array("Muharram", "Safar", "Rabi-AlAwwal", "Rabi-AlThani", "Jumada Al-Ula", "Jumada Al-Thani", "Rajab", "Shaban", "Ramadan", "Shawwal", "Dhul Qadah", "Dhul Hijjah");
    return this.day + " " + months[this.month - 1] + " " + this.year;
}

function fixedToHijri(f) {
    var i = new Hijri(1100, 1, 1);
    i.year = Math.floor((30 * (f - 227015) + 10646) / 10631);
    var i2 = new Hijri(i.year, 1, 1);
    var m = Math.ceil((f - 29 - i2.toFixed()) / 29.5) + 1;
    i.month = Math.min(m, 12);
    i2.year = i.year;
    i2.month = i.month;
    i2.day = 1;
    i.day = f - i2.toFixed() + 1;
    return i;
}

var tod = new Date();
var weekday = new Array("Sunday", "Monday", "Tuesday", "Wednesday", "Thursday", "Friday", "Saturday");
var monthname = new Array("January", "February", "March", "April", "May", " June", "July", "August", "September", "October", "November", "December");

var y = tod.getFullYear();
var m = tod.getMonth();
var d = tod.getDate();
var dow = tod.getDay();
document.write(weekday[dow] + " " + d + " " + monthname[m] + " " + y);
m++;
fixd = gregToFixed(y, m, d);
var h = new Hijri(1421, 11, 28);
h = fixedToHijri(fixd);
document.write(" AD | " + h.toString() + " AH   "); //this line is what shows up in the webpage//