function what(num) {
  var str = "";
  if( num == 1 || num == 21 || num == 31 ) str += "st";
  else if( num == 2 || num == 22) str += "nd";
   else if( num == 3 || num == 23) str += "rd";
    else str += "th";
  return str;
}

var days = new Array();
 days[0] = "Sunday";
 days[1] = "Monday";
 days[2] = "Tuesday";
 days[3] = "Wednesday";
 days[4] = "Thursday";
 days[5] = "Friday";
 days[6] = "Saturday";

var months = new Array();
 months[0] = "January";
 months[1] = "February";
 months[2] = "March";
 months[3] = "April";
 months[4] = "May";
 months[5] = "June";
 months[6] = "July";
 months[7] = "August";
 months[8] = "September";
 months[9] = "October";
 months[10] = "November";
 months[11] = "December";