function DaysInMonth(Month, Year) {
	var DaysInMonth = 31;
	if (Month == "April" || Month == "June" || Month == "September" || Month == "November") DaysInMonth = 30;
	if (Month == "February" && (Year/4) != Math.floor(Year/4)) DaysInMonth = 28;
	if (Month == "February" && (Year/4) == Math.floor(Year/4)) DaysInMonth = 29;
	return DaysInMonth;
}

function ChangeOptionDays() {
	DaysObject = document.dateSelectForm.SelectDay;
	MonthObject = document.dateSelectForm.SelectMonth;
	YearObject = document.dateSelectForm.SelectYear;

	Month = MonthObject[MonthObject.selectedIndex].text;
	Year = YearObject[YearObject.selectedIndex].text;
 	DaysForThisSelection = DaysInMonth(Month, Year);
 	CurrentDaysInSelection = DaysObject.length;
	if (CurrentDaysInSelection > DaysForThisSelection) {
    	for (i=0; i<(CurrentDaysInSelection-DaysForThisSelection); i++) {
      		DaysObject.options[DaysObject.options.length - 1] = null
    	}
  	}
  	
  	if (DaysForThisSelection > CurrentDaysInSelection) {
    	for (i=0; i<(DaysForThisSelection-CurrentDaysInSelection); i++) {
     		NewOption = new Option(DaysObject.options.length + 1);
      		DaysObject.add(NewOption);
    	}
  	}
  	
    if (DaysObject.selectedIndex < 0) DaysObject.selectedIndex == 0;
}

function SetToToday(day,month) {	
	DaysObject = document.dateSelectForm.SelectDay;
	MonthObject = document.dateSelectForm.SelectMonth;
  	MonthObject[month].selected = true;
	ChangeOptionDays();
  	DaysObject[day-1].selected = true;
}