function toggleDates(doWhat) {
	if (doWhat == "display") {
		document.getElementById('divArrival').style.display = "block";
		document.getElementById('divDeparture').style.display = "block";
	} else {
		document.getElementById('divArrival').style.display = "none";
		document.getElementById('divDeparture').style.display = "none";
	}
}

function updateForm() {
		if (document.getElementById('enquirytype').selectedIndex == 1) {
			toggleDates("display");
		} else {
			toggleDates("hide");
		}
}