var ONE_DAY          = (1000 * 60 * 60 * 24);


function setDepartureDate()
{
	var objForm        = window.document.reserveringsformulier;
	var dtmArrivalDate = getSelectedArrivalDate();
	
	// CHECK arrivaldate
	objArrivalDaySelect   = objForm.arrival_day;
	objArrivalMonthSelect = objForm.arrival_month;
	objArrivalYearSelect  = objForm.arrival_year;
	
	objArrivalDaySelect.value   = dtmArrivalDate.getDate();
	objArrivalMonthSelect.value = dtmArrivalDate.getMonth()+1;
	objArrivalYearSelect.value  = dtmArrivalDate.getYear();
	
	// SET departuredate
	var intArrivalTime = dtmArrivalDate.getTime();
	var intDepartureTime = intArrivalTime + ONE_DAY;
	var dtmDepartureDate = new Date(intDepartureTime);
	
	
	objDepartureDaySelect   = objForm.departure_day;
	objDepartureMonthSelect = objForm.departure_month;
	objDepartureYearSelect  = objForm.departure_year;
	
	objDepartureDaySelect.value = dtmDepartureDate.getDate();
	objDepartureMonthSelect.value = dtmDepartureDate.getMonth()+1;
	objDepartureYearSelect.value = dtmDepartureDate.getYear();
}

function checkDepartureDate()
{
	var objForm              = window.document.reserveringsformulier;
		
	intDepartureDayValue     = objForm.departure_day.value;
	intDepartureMonthValue   = objForm.departure_month.value;
	intDepartureYearValue    = objForm.departure_year.value;

	var dtmSelectedDepartureDate = new Date(intDepartureMonthValue +"-"+ intDepartureDayValue +"-"+ intDepartureYearValue);
	
	objForm.departure_day.value   = dtmSelectedDepartureDate.getDate();
	objForm.departure_month.value = dtmSelectedDepartureDate.getMonth()+1;
	objForm.departure_year.value  = dtmSelectedDepartureDate.getYear();	
}

function getSelectedArrivalDate()
{
	var objForm           = window.document.reserveringsformulier;
	
	objArrivalDaySelect   = objForm.arrival_day;
	objArrivalMonthSelect = objForm.arrival_month;
	objArrivalYearSelect  = objForm.arrival_year;
	
	intArrivalDayValue    = objArrivalDaySelect.value;
	intArrivalMonthValue  = objArrivalMonthSelect.value;
	intArrivalYearValue   = objArrivalYearSelect.value;
	
	var dtmSelectedArrivalDate = new Date(intArrivalYearValue + "/" + intArrivalMonthValue + "/" + intArrivalDayValue);

	return dtmSelectedArrivalDate;
}	
	


function insertNumberOfPersons()
{
	strSelectHTML = "<select name='pAdults'>";

	for (i=1; i <= 5; i++) {
		strSelectedOrNot = "";
		if (i == 2) {
			strSelectedOrNot = " selected ";
		}
		strSelectHTML += '<option value="'+ i +'"'+ strSelectedOrNot +'>'+ i +'</option>';
	}
	
	strSelectHTML += "</select>";
	
	document.write(strSelectHTML);
}