$(function()
{
	var dtNow = new Date();
	var dayName=new Array(7)
	dayName[0]="Sunday";
	dayName[1]="Monday";
	dayName[2]="Tuesday";
	dayName[3]="Wednesday";
	dayName[4]="Thursday";
	dayName[5]="Friday";
	dayName[6]="Saturday";
	
	//Month selection for check in day
	$("#arrivalMonth").change(function () {
		var $sel = $(this).find("option:selected")
		var seltxt = $sel.text();
		if (seltxt == "")
			$("#arrivalDay").attr("disabled", "disabled").trigger('change');
		else
		{
			$("#arrivalDay").removeAttr("disabled").trigger('change');
			setDayOptions($("#arrivalDay"), $sel.val());
		}
	});
	//Month selection for check out day
	$("#departureMonth").change(function () {
		var $sel = $(this).find("option:selected")
		var seltxt = $sel.text();
		if (seltxt == "")
			$("#departureDay").attr("disabled", "disabled").trigger('change');
		else
		{
			$("#departureDay").removeAttr("disabled").trigger('change');
			setDayOptions($("#departureDay"), $sel.val());
		}
	});
	//Day selection
	$(".selectDay").change(function () {
		var tpe = $(this).attr('id');
		var dy = $(this).find("option:selected").text();
		var prefTpe = tpe.substr(0, tpe.length - 3);
		var mo = $("#" + prefTpe + "Month option:selected").val();
		var dayInWeek = "";
		if (mo != "" && dy != "")
		{
			var yr = dtNow.getFullYear();
			if (mo < dtNow.getMonth()) yr++;
			var nwDay = new Date(yr , mo, dy);
			dayInWeek = dayName[nwDay.getDay()];
		}
		$("#week" + tpe).text(dayInWeek);
		var nrd = getNrOfDays();
		$("#nrOfNights").text(nrd);
		if (nrd != "")
			$("#nrOfNightsRow").show();
		showRooms(nrd);
	});
	
	function setDayOptions($days, selMonth)
	{
		var yr = dtNow.getFullYear();
		if (selMonth < dtNow.getMonth()) yr++;
		var nrOfDays = daysInMonth(yr , parseInt(selMonth) + 1);
		for (indx = 28; indx <= 31; indx++)
		{
			if (indx > nrOfDays)
				$days.find("option[value='" + indx + "']").attr("disabled", "disabled");
			else
				$days.find("option[value='" + indx + "']").removeAttr("disabled");
		}
		//For current month don't show passed days
		var isCurMonth = (dtNow.getMonth() == parseInt(selMonth));
		for (indx = 1; indx < dtNow.getDate(); indx++)
		{
			if (isCurMonth)
				$days.find("option[value='" + indx + "']").attr("disabled", "disabled");
			else
				$days.find("option[value='" + indx + "']").removeAttr("disabled");
		}
		//check if current day isn't invalid
		var selDay = $days.find("option:selected").val();
		if ((isCurMonth && selDay <  dtNow.getDate()) || selDay > nrOfDays)
		{
			$days.find("option[value='']").attr("selected", "selected");
		}
	}
	
	function daysInMonth(year, month) 
	{
		var dd = new Date(year, month, 0);
		return dd.getDate();
	}
	
	function getNrOfDays()
	{
		var dy = $("#arrivalDay option:selected").val();
		var mo = $("#arrivalMonth option:selected").val();
    var difDays = "";
		if (mo != "" && dy != "")
		{
			var yr = dtNow.getFullYear();
			if (mo < dtNow.getMonth()) yr++;
			dy1 = new Date(yr , mo, dy);
			
			dy = $("#departureDay option:selected").val();
			mo = $("#departureMonth option:selected").val();
			
			if (mo != "" && dy != "")
			{
				yr = dtNow.getFullYear();
				if (mo < dtNow.getMonth()) yr++;
				dy2 = new Date(yr , mo, dy);
			
				var oneDay = 1000*60*60*24;
				difDays = Math.ceil((dy2.getTime() - dy1.getTime())/oneDay);
			}
		}
		difDays = difDays < 0 ? "" : difDays;
		
		return difDays;
	}
	
	function showRooms(nrd)
	{
		if (nrd == "")
		{
			$("#roomtable").hide();
			$('#childAge').hide();
		}
		else
		{
			$("#roomtable").show();
			$(".childCnt").trigger('change');
		}
	}
	
	//select rooms
	$("#numberOfRooms").change(function(){
		var sel = $(this).find("option:selected").val();
		for (ind = 1; ind < 6; ind++)
		{
			if (sel > 1) 
				$('#roomlabel' + ind).show();
			else
				$('#roomlabel' + ind).hide();
			if (sel >= ind)
			{
				$('#roomrow' + ind).show();
				var ch = $("#room-" + ind + "-child-total").find("option:selected").val();
				selAge(ind, ch);
			}
			else
			{
				$('#roomrow' + ind).hide();
				selAge(ind, 0);
			}
		}
	});
	
	//select nr of children
	$(".childCnt").change(function(){
		var nrofChildren = $(this).find("option:selected").val();
		var roomNr = $(this).attr("id").substr(5,1);
		selAge(roomNr, nrofChildren);
	});
	
	function selAge(roomNr, nrofChildren)
	{
		var maxChildren = 0;
		$(".childCnt").each(function(indx){
			nrofChildrenTmp = $(this).find("option:selected").val();
			if ($(this).css('display') != 'none')
				maxChildren = Math.max(maxChildren, nrofChildrenTmp);									 
		});
		for (indx = 1; indx < 7; indx++)
		{
			if (indx <= maxChildren)
				$('#childHeadCol' + indx ).show();
			else
				$('#childHeadCol' + indx ).hide();
				
			if (indx <= nrofChildren)
				$('#childRow' + roomNr + 'Col' + indx ).show();
			else
				$('#childRow' + roomNr + 'Col' + indx ).hide();
		}
		
		if (nrofChildren > 0)
		{
			$('#childRow' + roomNr).show();
			$('#childAge').show();
		}
		else
		{
			$('#childRow' + roomNr).hide();
			if (maxChildren < 1)
			{
				$('#childAge').hide();
			}
		}
	}
	
	//Search for hotels
	$("#hotelSearchForm").submit(function(event){
		var frm = document.myForm;
		if (frm.city.value == '')
		{
			alert("Please enter the destination");
			frm.city.focus();
			event.preventDefault();
		}
		else
		{
			var room = new Array(5);
			var missingAge = false;
			var textChildError = "Please specify the ages of all children.";
			for (indx = 1; indx <= frm.numberOfRooms.value; indx++)
			{
				nra = document.getElementById('room-' + (indx) + '-adult-total').value;
				nrc = document.getElementById('room-' + (indx) + '-child-total').value;
				ages = "";
				for (indy = 1; indy <= nrc; indy++)
				{
					age = document.getElementById('room-' + (indx) + '-child-' + (indy) + '-age').value;
					ages += age + ",";
					if (age < 0) missingAge = true;
				}
				room[indx - 1] = nra + ";" + nrc + ";" + ages;
			}
			var lm = '';
			if (document.getElementById('landmarkDestinationID') != null)
				lm = document.getElementById('landmarkDestinationID').value;
			var s = $('#hotelbookingtpe').text();
			
			if (missingAge === true && $("#childAge").css('display') != 'none') 
			{
				alert(textChildError);
				event.preventDefault();
			}
			else
			{
				//Store hotel settings in session
				$.ajax({url:'/functions/ajax/setuserhoteldata.php', async:false, cache:false, data:{'src':s,'city':frm.city.value, 'am':frm.arrivalMonth.value, 'ad':frm.arrivalDay.value, 'dm':frm.departureMonth.value, 'dd':frm.departureDay.value,'ln':frm.locale.value,'cur':frm.currencyCode.value,'ro':frm.numberOfRooms.value,'r1':room[0],'r2':room[1],'r3':room[2],'r4':room[3],'r5':room[4], 'lm':lm}});
				//event.preventDefault();
			}
		}
	});
	
	//initialize default values
	$("#arrivalMonth").trigger('change');
	$("#departureMonth").trigger('change');
	
	
	//autocomplete main form city field
	var hascity = document.getElementById("city_main");
	if (hascity != null)
	{
		$("#city_main").autocomplete("/functions/ajax/autocomplete_hotelcity.php", {
			matchContains: false,
			selectFirst: false,
			max: 10,
			minChars: 1
		});
	}

});