function checkFreeRoom() {
	
	var startDate = $('select[name=ariveyear]').val() + "-" + $('select[name=ariveday]').val() + "-" + $('select[name=arivemonth]').val();
	var endDate = $('select[name=departureyear]').val() + "-" + $('select[name=departureday]').val() + "-" + $('select[name=departuremonth]').val();

	$.getJSON(
			window.location,
			{
				"type" : "721",
				"tx_lioncastlefreeroom_pi1[roomType]" : $("#room").val(),
				"tx_lioncastlefreeroom_pi1[startDate]" : startDate,
				"tx_lioncastlefreeroom_pi1[endDate]" : endDate,
				"tx_lioncastlefreeroom_pi1[checkIn]" : $("select[name=checkin]").val(),
				"tx_lioncastlefreeroom_pi1[checkOut]" : $("select[name=checkout]").val()
			},
			function(data) {
				//alert(data.is_free);
				if(!data.is_free) {
					$('.room_is_busy').show();
				}
				else {
					$('.room_is_busy').hide();
				}
			}
	);

}

$(document).ready(function(){
	
	$('select[name=ariveyear],select[name=arivemonth],select[name=ariveday],select[name=departureyear],select[name=departuremonth],select[name=departureday],#room,select[name=checkin],select[name=checkout]').change(function(){
		checkFreeRoom();
	});
	
});