function showRoomOptions() {	
	
	roomsSelect = document.getElementById("HotelRooms");
	numRooms = roomsSelect.options[roomsSelect.selectedIndex].value;
	maxRooms = roomsSelect.options.length;
	
	for (i=0; i<numRooms; i++){
		document.getElementById("room" + (i + 1)).style.display = "block";
	}
	
	for (i=numRooms; i<(maxRooms + 1); i++){
		if (i != numRooms) {			
			document.getElementById("room" + (i)).style.display = "none";
		}
	}	
}

function drawAge(id) {	
	ageSelect = document.getElementById(id);
	numAges = ageSelect.options[ageSelect.selectedIndex].value;
	maxAges = ageSelect.options.length;

	for (i=0; i<numAges; i++){		
		document.getElementById(id + (i + 1)).style.display = "block";
	}
	
	for (i=numAges; i<(maxAges); i++){
		if (i != numAges) {
			document.getElementById(id + (i)).style.display = "none";
		}
	}
		
}