function calendarShow(datePicker)
{
	datePicker = $find(datePicker);

	var popupElement = datePicker.get_popupContainer();

	if (popupElement.style.display == "none")
		datePicker.showPopup();
	else
		datePicker.hidePopup();
}

function calendarUpdateCheckoutDate() {
    var nightCount = $('[ID*=ddlNightCount]').val();
    var checkIn = $('[ID*=dateCheckIn]').children();
    var checkOut = $('[ID*=dateCheckOut]');
	
	if (nightCount && checkIn && checkOut)
	{
		var checkInDate = new Date(checkIn.val().replace(/-/g, '/'));

		checkInDate.setDate(checkInDate.getDate() + Number(nightCount));
		$(checkOut).children()[0].value = checkInDate.format("M/dd/yy");
    }
}