function setCurrentDate() {
  // changes the date selector menus to the current date
  var currentDate = new Date();
	
	
  document.initialqueryForm.InYear.selectedIndex = 0;
  document.initialqueryForm.InMonth.selectedIndex = currentDate.getMonth();
  setDays();  
  document.initialqueryForm.InDay.selectedIndex = currentDate.getDate() - 1;
  setDays(); // to set the day in for codes

  set_tomorrow(currentDate.getDate(),currentDate.getMonth(),currentDate.getYear());
  setDays();
}

function setDays() {

  var y = document.initialqueryForm.InYear.options[document.initialqueryForm.InYear.selectedIndex].value;
  var m = document.initialqueryForm.InMonth.selectedIndex;
  var d = document.initialqueryForm.InDay.selectedIndex + 1;

//	datecode_in = (y*10000 + (m+1)*100 + d*1);
	datecode_in = get_datecode(y,m,d);
	document.initialqueryForm.datecode_in.value = datecode_in;
	dow_in = Math.round((((datecode_in-1)/7) - Math.floor((datecode_in-1)/7)) * 7);
	dow_in_name = day_of_week(dow_in);
	document.initialqueryForm.dow_in.value = dow_in_name;
	
	days = DaysInMonth(m,y)

  // if (days in new month > current days) then we must add the extra days
  if (days > document.initialqueryForm.InDay.length) {
    for (i = document.initialqueryForm.InDay.length; i < days; i++) {
      document.initialqueryForm.InDay.length = days;
      document.initialqueryForm.InDay.options[i].text = i + 1;
      document.initialqueryForm.InDay.options[i].value = i + 1;
    }
  }

  
	//	if (days in new month < current days) then we must delete the extra days
	if (days < document.initialqueryForm.InDay.length)
		{
		document.initialqueryForm.InDay.length = days;
//		next two lines deleted because selecting a "30" month set date to 30		
//		d = days;
//		document.initialqueryForm.InDay.selectedIndex = days-1;
		}


	current_datecode_in = document.initialqueryForm.datecode_in.value;
	current_datecode_out = document.initialqueryForm.datecode_out.value;
	
	if (current_datecode_out < current_datecode_in)
		set_tomorrow(d,m,y);
	
	setDays_out();	

}



function set_tomorrow(NowDay,NowMonth,NowYear)
	{
	CurrentDate = new Date();
	CurrentYear = CurrentDate.getYear();
	if (CurrentYear < 2000) CurrentYear = CurrentYear + 1900;
	if (NowYear < 2000) NowYear = NowYear + 1900;
	TomorrowDay = NowDay + 1;
	TomorrowMonth = NowMonth;
	TomorrowYear = NowYear;
//	YearIndex = 0;
	YearIndex = NowYear - CurrentYear;


	if (TomorrowDay > DaysInMonth(TomorrowMonth, TomorrowYear))
//	if (TomorrowDay > 31)
		{
		TomorrowDay = 1;
		TomorrowMonth = TomorrowMonth +1;
		if (TomorrowMonth > 11)
			{
			TomorrowMonth = 0;
			TomorrowYear = TomorrowYear + 1;
			YearIndex = YearIndex + 1;
			}
		}
			
	  document.initialqueryForm.OutYear.selectedIndex = YearIndex;
	  document.initialqueryForm.OutMonth.selectedIndex = TomorrowMonth;
	  setDays_out();  
	  document.initialqueryForm.OutDay.selectedIndex = TomorrowDay - 1;
  

	}





function setDays_out() {

  var y = document.initialqueryForm.OutYear.options[document.initialqueryForm.OutYear.selectedIndex].value;
  var m = document.initialqueryForm.OutMonth.selectedIndex;
  var d = document.initialqueryForm.OutDay.selectedIndex + 1;

//	datecode_out = (y*10000 +(m+1)*100 + d*1);	
	var datecode_out = get_datecode(y,m,d);
	

	days = DaysInMonth(m,y)

  // if (days in new month > current days) then we must add the extra days
  if (days > document.initialqueryForm.OutDay.length) {
    for (i = document.initialqueryForm.OutDay.length; i < days; i++) {
      document.initialqueryForm.OutDay.length = days;
      document.initialqueryForm.OutDay.options[i].text = i + 1;
      document.initialqueryForm.OutDay.options[i].value = i + 1;
    }
  }

	//	if (days in new month < current days) then we must delete the extra days
	if (days < document.initialqueryForm.OutDay.length)
		{
		document.initialqueryForm.OutDay.length = days;
//		next line deleted because selecting a "30" month set date to 30		
//		document.initialqueryForm.OutDay.selectedIndex = days-1;
		}



	document.initialqueryForm.datecode_out.value = datecode_out;
	dow_out = Math.round((((datecode_out-1)/7) - Math.floor((datecode_out-1)/7)) * 7);
	dow_out_name = day_of_week(dow_out);
	document.initialqueryForm.dow_out.value = dow_out_name;
	
	datecode_out = get_datecode(y,m,d);
	datecode_in = document.initialqueryForm.datecode_in.value;
	nights_to_stay = datecode_out - datecode_in;
	document.initialqueryForm.nights_to_stay.value = nights_to_stay;


}


//function for returning how many days there are in a month including leap years
function DaysInMonth(WhichMonth, WhichYear)
	{
	  var DaysthisMonth = 31;
	  if (WhichMonth == 3 || WhichMonth == 5 || WhichMonth == 8 || WhichMonth == 10) DaysthisMonth = 30;
	  if (WhichMonth == 1 && (WhichYear/4) != Math.floor(WhichYear/4))	DaysthisMonth = 28;
	  if (WhichMonth == 1 && (WhichYear/4) == Math.floor(WhichYear/4))	DaysthisMonth = 29;
	  return DaysthisMonth;
	}

function day_of_week(daynum)
	{
	dayname = "";
	if ( daynum == 0 ) dayname = "Sun";
	if ( daynum == 1 ) dayname = "Mon";
	if ( daynum == 2 ) dayname = "Tue";
	if ( daynum == 3 ) dayname = "Wed";
	if ( daynum == 4 ) dayname = "Thu";
	if ( daynum == 5 ) dayname = "Fri";
	if ( daynum == 6 ) dayname = "Sat";
	return(dayname);
	}
	

function get_datecode(y,m,d)
	{
	// 1st Jan 2000 is day 1
	var years_elapsed = y-2000;
	var leap_years_elapsed = Math.floor((years_elapsed - 1)/4); // 2000 was not a leap year, does not include this year.
	var datecode = years_elapsed * 365 + leap_years_elapsed; // brings it yp to the end of last year
	// count through the months
	var monthcount = 0;
	while ( monthcount < m) // count the months up to now
		{
		datecode = datecode + DaysInMonth(monthcount,y);
		monthcount ++;
		}
	datecode = datecode + d; // add the days this month
	return (datecode);
	}