function month_name(month_value) {
   switch (month_value) {
       case 0 : return "January"
       case 1 : return "February"
       case 2 : return "March"
       case 3 : return "April"
       case 4 : return "May"
       case 5 : return "June"
       case 6 : return "July"
       case 7 : return "August"
       case 8 : return "September"
       case 9 : return "October"
       case 10 : return "November"
       case 11 : return "December"
   }
}

var day_name = new Array(7)
day_name[0] = "Sunday"
day_name[1] = "Monday"
day_name[2] = "Tuesday"
day_name[3] = "Wednesday"
day_name[4] = "Thursday"
day_name[5] = "Friday"
day_name[6] = "Saturday"