function SearchShow(bChanged) {

	var sMode=GetSearchMode();
	
	if (sMode=='FlightsPlusHotel') {
	
		f.GetObject('lblSearch_Arriving').innerHTML='Departing';
		f.GetObject('lblSearch_Departing').innerHTML='Returning';
	} else {
		f.GetObject('lblSearch_Arriving').innerHTML='Arriving';
		f.GetObject('lblSearch_Departing').innerHTML='Departing';
	}
	
	f.ShowIf('divFlightClass',sMode=='FlightsPlusHotel');

	f.GetObject('lblRoom1').innerHTML=
		sMode=='FlightsPlusHotel' ? 'Passengers' : 'Guests';		
	
	var iRooms=n.SafeInt(dd.GetText('ddlRooms')); 
	var sRoomTitle=f.GetValue('hidRoomTitle');
	
	//show room selection and labels
	var iChildren;
	for (var i=1;i<5;i++) {
		f.ShowIf('trRoom'+i,i<=iRooms);
		
		iChildren=n.SafeInt(dd.GetText('ddlRoom'+i+'Children'));
		f.ShowIf('txtRoom'+i+'ChildAge1',iChildren>0 && i<=iRooms);
		f.ShowIf('txtRoom'+i+'ChildAge2',iChildren>1 && i<=iRooms);
		f.ShowIf('txtRoom'+i+'ChildAge3',iChildren>2 && i<=iRooms);
		f.ShowIf('txtRoom'+i+'ChildAge4',iChildren>3 && i<=iRooms);
		f.ShowIf('txtRoom'+i+'ChildAge5',iChildren>4 && i<=iRooms);
		f.ShowIf('txtRoom'+i+'ChildAge6',iChildren>5 && i<=iRooms);
		f.ShowIf('trRoom'+i+'ChildAges',iChildren>0 && i<=iRooms);
		
		f.GetObject('lblRoom'+i).innerHTML=sRoomTitle+' '+i;	
		
	}
	
	//set first room label
	if (iRooms==1) {
		
		f.GetObject('lblRoom1').innerHTML=
			sMode=='FlightsPlusHotel' ? 'Passengers' : 'Guests';
	}
	
	//if the selection's changed then fire the onchange of the country dropdown
	if (bChanged) {		
		dd.SetIndex('sddDepartingFrom',0);
		f.GetObject('sddDepartingFrom').onchange();
	}
	
	//only show selling currency if there's more than one
	f.ShowIf('divSellingCurrency',f.GetObject('sddSellingCurrencyID').options.length > 1);
	
	ShowHideSearchDropdowns();
	
}

function ShowHideSearchDropdowns() {

	var sMode=GetSearchMode();
	
	//hide flight and airport divs if needed. hide country and resort if there's only one
	f.ShowIf('divFlights', sMode=='FlightsPlusHotel');
	f.ShowIf('divAirport', sMode=='FlightsPlusHotel' && dd.GetValue('sddGeographyLevel1ID') > 0);
	f.ShowIf('divResort', f.GetValue('hidOneResort')!='True' && 
		((sMode=='FlightsPlusHotel' && dd.GetValue('sddAirportID') > 0) || 
			(sMode=='HotelOnly' && dd.GetValue('sddGeographyLevel1ID') > 0)));
	f.ShowIf('divProperty', dd.GetValue('sddGeographyLevel3ID') != 0);
	
}


var sFillListPath='/WebServices/Search.asmx';

//dropdown select functions
function DepartureSelected(iDepartureID) {

	var sMode=GetSearchMode();

	if (sMode=='FlightsPlusHotel' && !(iDepartureID>0)) {
		
		dd.Clear('sddAirportID');
		dd.Clear('sddGeographyLevel3ID');
		dd.Clear('sddPropertyID');
	}


	oWebService.PopulateList(sFillListPath,'http://intuitivesystems',f.GetObject('sddGeographyLevel1ID'),
		'Search_Departure|'+iDepartureID+','+f.GetValue('hidBrandID'));
		
	
	ShowHideSearchDropdowns();
}



function CountrySelected(iGeographyLevel1ID) {

	if (!(iGeographyLevel1ID>0)) {
	
		dd.Clear('sddAirportID');
		dd.Clear('sddGeographyLevel3ID');
		dd.Clear('sddPropertyID');
	} else {	
	
		var sMode=GetSearchMode();
		
		
		//if we're doing a flight search then populate the departure, airport, otherwise 
		if (sMode=='FlightsPlusHotel') {
		
			var iDepartureAirportID=dd.GetValue('sddDepartingFrom');
			oWebService.PopulateList(sFillListPath,'http://intuitivesystems',f.GetObject('sddAirportID'),
				'Search_Country|'+iGeographyLevel1ID+','+f.GetValue('hidBrandID')+','+iDepartureAirportID);
			
		} else {
			
			SearchCountrySelected(iGeographyLevel1ID);		
		}
	}
	
	ShowHideSearchDropdowns();
}

function AirportSelected(iAirportID) {

	if (!(iAirportID>0)) {
	
		//clear everything
		dd.Clear('sddGeographyLevel3ID');
		dd.Clear('sddPropertyID');
	} else {		

		
		oWebService.PopulateList(sFillListPath,'http://intuitivesystems',f.GetObject('sddGeographyLevel3ID'),
				'Search_Airport|'+iAirportID+','+f.GetValue('hidBrandID'));
	}
	
	ShowHideSearchDropdowns();
	
}

function ResortSelected(sResortValue) {

	if (sResortValue==0) {
		dd.Clear('sddPropertyID');
	} else {

		
		//if we've no property dropdown visible then bomb out
		if (f.GetObject('divProperty')==null) {
			return false;
		}

		//could be a region or a resort
		var iRegionID=0;
		var iResortID=0;
		if (sResortValue.indexOf('r')>-1) {
			iRegionID=n.SafeInt(sResortValue.replace('r',''));
		} else {
			iResortID=n.SafeInt(sResortValue);
		}

		oWebService.PopulateList(sFillListPath,'http://intuitivesystems',f.GetObject('sddPropertyID'),
				'Search_Resort|'+iRegionID+','+iResortID+','+f.GetValue('hidBrandID'));
	}
	
	ShowHideSearchDropdowns();
}

// county selected
function SearchCountrySelected(iCountryID) {

	var sMode=GetSearchMode();
	if (sMode=='FlightsPlusHotel') {
		return false;
	}

	var oResort=f.GetObject('sddGeographyLevel3ID');
	if (n.SafeInt(dd.GetValue(oResort)) > 0) {
		f.SetValue('hidRestoreResort',dd.GetValue(oResort));
	}
	dd.Clear(oResort);			

	//if country selected do the bizzo
	if (iCountryID > 0) {
	
		//add an all option
		dd.AddOption(oResort,sMode=='FlightsPlusHotel' ? 'Any' : 'Select...',0);
		
		//scan through the array 'filtering' on countryid	
		var iLastRegionID=-1;
		var iRegionID, sRegion, iResortID, sResort;
		for (var i=0;i<aResortMatrix.length;i++) {
			
			
			if (aResortMatrix[i][0]==iCountryID) {
				iRegionID=aResortMatrix[i][1];
				sRegion=aResortMatrix[i][2];
				iResortID=aResortMatrix[i][3];
				sResort=aResortMatrix[i][4];
				
				//if it's a new region then add the appropriate bit
				if (iRegionID!=iLastRegionID && sRegion!='') {
					dd.AddOption(oResort,sRegion,'r'+iRegionID,'ddregion');
				}

				//add the resort
				dd.AddOption(oResort,sResort,iResortID);
			
				iLastRegionID=iRegionID;	
			}
			
		}	
	}

	//if we have a value to restore then do so
	var sRestoreResort=f.GetValue('hidRestoreResort');
	if (sRestoreResort!='') {
		dd.SetValue(oResort,sRestoreResort);
		f.SetValue('hidRestoreResort','');
	}
	
	ShowHideSearchDropdowns();
	
}

function ClearSearchDropdown(sDropdown) {

	dd.Clear(sDropdown);
	
}


function RestoreSearch() {

	//if the user has gone back via the back button then we're potentially in trouble
	//just make sure everything's visible that should be
	var sSearchMode=GetSearchMode();
	var bRedisplay=false;
		
	//few problem areas to check - run through flight plus hotel first
	if (sSearchMode=='FlightsPlusHotel') {
	
		//if departure is selected and country isn't visible then return true
		if (dd.GetValue('sddDepartureFrom') > 0 && f.GetObject('sddGeographyLevel1ID').options.length==1) {			
			DepartureSelected(dd.GetValue('sddDepartureFrom'));
			bRedisplay=true;
		}
	
		//if destination is selected and airport isn't visible then return true
		if (dd.GetValue('sddGeographyLevel1ID') > 0 && f.GetObject('sddAirportID').options.length==1) {			
			CountrySelected(dd.GetValue('sddGeographyLevel1ID'));
			bRedisplay=true;
		}
		
		//if airport is selected and resort isn't visible then return true
		if (dd.GetValue('sddAirportID') > 0  && f.GetObject('sddGeographyLevel3ID').options.length==1) {
			airportselected(dd.getvalue('sddAirportID'));
			bRedisplay=true;		
		}
		
		
	}
	
	//now run through hotel only
	if (sSearchMode=='HotelOnly') {
		
		//if departure is bvisible then return true
		if (f.Visible('divFlights')) {
			bRedisplay=true;
		}
		
		//if destination is selected and resort isn't visible then return true
		if (dd.GetValue('sddGeographyLevel1ID') > 0 && f.GetObject('sddGeographyLevel3ID').options.length==1) {
			SearchCountrySelected(dd.GetValue('sddGeographyLevel1ID'));
			bRedisplay=true;
		}
	}
	
	
	//this is the same for both paths, if resort is selected and property dropdown isn't null but isn't visible either...
	if ((dd.GetValue('sddGeographyLevel3ID') > 0 || s.Left(dd.GetValue('sddGeographyLevel3ID'))=='r') 
				&& f.GetObject('divProperty')!=null) {
		if (f.GetObject('sddPropertyID').options.length==1) {
			bRedisplay=true;
		}
	}	
	
	
	//if we've got more than one room or any children on the first room redisplay 
	if (n.SafeInt(dd.GetText('ddlRooms')) > 1 || n.SafeInt(dd.GetText('ddlRoom1Children')) > 0) {
		bRedisplay=true;
	}
	
	
	if (bRedisplay) {SearchShow();}
	
}





function ToggleOptions() {
		
	var aLink=f.GetObject('aMoreOptions');
	var aDiv=f.GetObject('divMoreOptions');
	var aFacilities=f.GetObject('divFacilities');
	
	if (aLink!=null) {
		if (aLink.innerHTML=='[more options]' || aLink.innerHTML==undefined) {
			aLink.innerHTML='[less options]';
			f.Show(aDiv);
			f.Show(aFacilities);
		} else {
			aLink.innerHTML='[more options]';
			dd.SetIndex('addMealBasisID',0);
			dd.SetIndex('ddlStarRating',0);
			var aFeaturesAndFacilities=f.GetObjectsByIDPrefix('chkF','input');
			for (var i=0;i<aFeaturesAndFacilities.length;i++) {
				aFeaturesAndFacilities[i].checked=false;
			}
			
			f.Hide(aDiv);
			f.Hide(aFacilities);
		}
	}

}



function Search(sPath,iPropertyID,dArrivalDate,iDuration,dDepartureDate) {
   
    //validate first
	var sWarning=SearchValidate();

	//if all's well then continue else pop up the warning
	if (sWarning=='') {
	
		//do some new stuff
		var sSearchParameters=PackageSearch(iPropertyID,dArrivalDate,iDuration,dDepartureDate);
		oSearch.Go(sSearchParameters,sPath);	
	
	} else {
		ShowInfoBox(sWarning);		
	}	

}


function SearchValidate() {

	f.Hide('divNoResults');	
	
	//determine the search mode
	var sMode=GetSearchMode();	
	
	//declare error variables
	var bFlightError=false;
	var bGeographyError=false;
	var bBookAheadError=false;
	
		
	if (sMode=='FlightsPlusHotel') {
	
		//departure and destination selected
		if (dd.GetValue('sddDepartingFrom')<=0) {
			bFlightError=true;
			f.SetClass('sddDepartingFrom','dropdown error');
		} else {
			f.SetClass('sddDepartingFrom','dropdown');
		}
		
		//country and location selected
		if (dd.GetValue('sddGeographyLevel1ID')<1) {
			bFlightError=true;
			f.SetClass('sddGeographyLevel1ID','dropdown error');
		} else {
			f.SetClass('sddGeographyLevel1ID','dropdown');
		}
		
		
		if (n.SafeInt(dd.GetValue('sddAirportID'))<=0) {
			bFlightError=true;
			f.SetClass('sddAirportID','dropdown error');
		} else {
			f.SetClass('sddAirportID','dropdown');
		}		
	
	} else  {
	
		if (dd.GetValue('sddGeographyLevel1ID')<1) {
			bGeographyError=true;
			f.SetClass('sddGeographyLevel1ID','dropdown error');
		} else {
			f.SetClass('sddGeographyLevel1ID','dropdown');
		}		
		
		if (dd.GetValue('sddGeographyLevel1ID')>0 && dd.GetValue('sddGeographyLevel3ID')<1) {
			bGeographyError=true;
			f.SetClass('sddGeographyLevel3ID','dropdown error');
		} else {
			f.SetClass('sddGeographyLevel3ID','dropdown');
		}
	
	}
	
	
	//book ahead days
	//check date isn't before today
	var oCalendar=new Calendar(null, 'calArrivalDate');
	var dToday=d.GetDateOnly(new Date());
	if (oCalendar.CurrentDate < d.AddDays(dToday,f.GetIntValue('hidWebBookAheadDays'))) {
		bBookAheadError=true;
		f.AddClass('calArrivalDate_Day','error');	
	} else {
		f.RemoveClass('calArrivalDate_Day','error');
	}
	
	
		
	var iRooms=n.SafeInt(dd.GetText('ddlRooms')); 
	
	//check child ages
	var iChildren, iChildAge, bChildAgeErrors=false;
	for (var iRoom=1;iRoom<=iRooms;iRoom++) {
	
		iChildren=n.SafeInt(dd.GetText('ddlRoom'+iRoom+'Children'));
		
		for (var iChild=1;iChild<=iChildren;iChild++) {
			
			var oTextbox=f.GetObject('txtRoom'+iRoom+'ChildAge'+iChild)
			iChildAge=n.SafeInt(f.GetValue(oTextbox));
			if (iChildAge<2 || iChildAge>18) {
				f.SetClass(oTextbox,'textbox number error');
				bChildAgeErrors=true;
			} else {
				f.SetClass(oTextbox,'textbox number');
			}
				
		}
	}
		
	var sWarning='';
	if (bChildAgeErrors || bGeographyError || bBookAheadError || bFlightError) {		
		sWarning+= bFlightError ? 'Please make sure you have selected the Departure, Destination and Location for your search' : '';
		sWarning+= bGeographyError ? 'Please make sure you have selected the Location for your search' : '';
		sWarning+= bBookAheadError ? (bFlightError || bGeographyError ? '|' : '') +'Please select an Arrival Date at least ' + f.GetValue('hidWebBookAheadDays') + ' Days after today' : '';
		sWarning+= bChildAgeErrors ? (bFlightError || bGeographyError || bBookAheadError ? '|' : '') + 'Please make sure all Child Ages are specified between 2 and 18 years old' : '';
	}
	return sWarning;
}

//search webservice stuff
var oSearch=new WebService();
oSearch.Go=function(sParameters, sPath) { 
	aParams=new Array(['sParameters',sParameters]);
	bBackOneLevel=(sPath==undefined || sPath=='') ? false : true;
	sPath= (sPath==undefined || sPath=='') ? '/webservices/search.asmx' : sPath;
	this.RunWebService(sPath,'http://intuitivesystems', 'Search', aParams, this, false);
	f.Show('divPerformingSearch');
	f.Hide('divSearchButton');
}


oSearch.Done=function(oXML) {
	var oReturn=new SearchResult(this.GetTagValue(oXML, 'PropertyCount'), 
		this.GetTagValue(oXML, 'FlightCount'), this.GetTagValue(oXML, 'SeparateFlight'));
	
	
	var iPropertyCount=n.SafeInt(oReturn.PropertyCount);	
	var iFlightCount=n.SafeInt(oReturn.FlightCount);
	var sPage=f.GetValue('hidPagename');	
	
	if (GetSearchMode()=='FlightsPlusHotel' && oReturn.SeparateFlight=='true' && iPropertyCount>0) {
		window.location='/flightresults.aspx';
	} else if (iPropertyCount>0 || sPage=='Results') {
		window.location='/results.aspx';
	} else { 
		f.Show('divNoResults');
		f.Show('divSearchButton');
		f.Hide('divPerformingSearch');
	}
}

function SearchResult(PropertyCount, FlightCount, SeparateFlight) {
	this.PropertyCount=PropertyCount;
	this.FlightCount=FlightCount;
	this.SeparateFlight=SeparateFlight;
}

function GetSearchMode() {

	var sMode;
	if (f.GetObject('divChoose')!=null) {
		
		if (f.GetObject('radFlightPlusHotel').checked) {
			sMode='FlightsPlusHotel';
		} else {
			sMode='HotelOnly';
		}		
	} else {
		sMode='HotelOnly';
	}
	
	return sMode;
}



function PackageSearch(iPropertyID,dArrivalDate,iDuration,dDepartureDate) {
			
	var sReturn='';
	
	//search mode
	sReturn+='SearchMode='+GetSearchMode()+'|';
	
	
	//autocompletes (only want the hidden control that stores the value)
	var aHiddens=f.GetObjectsByIDPrefix('acp');
	for (var i=0;i<=aHiddens.length-1;i++) {
		if (s.Right(aHiddens[i].id,6)=='Hidden') {
			sReturn+=aHiddens[i].id+'='+f.GetValue(aHiddens[i].id)+'|';		
		}
	}
	
		
	//textboxes
	var aTextboxes=f.GetElementsByClassName('input','textbox');
	for (i=0;i<aTextboxes.length;i++) {
		sReturn+=aTextboxes[i].id+'='+f.GetValue(aTextboxes[i].id)+'|';				
	}
	
	
	//dropdowns
	var aDropdowns=f.GetElementsByClassName('select','dropdown');
	var sValue;
	for (i=0;i<aDropdowns.length;i++) {
	
		if (aDropdowns[i].options.length==0) {
			sValue=0;
		} else {
			sValue=dd.GetValue(aDropdowns[i].id);		
			if (sValue=='') {
				sValue=dd.GetText(aDropdowns[i].id);
			}
		}
		sReturn+=aDropdowns[i].id+'='+sValue+'|';				
	}
	
	
	//checkboxes
	var aCheckboxes=f.GetElementsByClassName('input','checkbox');
	for (i=0;i<aCheckboxes.length;i++) {
		sReturn+=aCheckboxes[i].id+'='+f.GetObject(aCheckboxes[i].id).checked+'|';				
	}		
	
	//if we've got values passed in then replace existing shite and put ours on the end
	if (iPropertyID!=undefined) {
	    sReturn+='PropertyID='+iPropertyID+'|';
	}
	
	if (dArrivalDate!=undefined) {
	    sReturn+='ArrivalDate='+dArrivalDate.getDate()+'/'+(dArrivalDate.getMonth()+1)+'/'+
	        dArrivalDate.getFullYear()+'|';
	}
	
	if (iDuration!=undefined) {
	    sReturn+='Duration='+iDuration+'|';
	}
	
	if (dDepartureDate!=undefined) {
	    sReturn+='DepartureDate='+dDepartureDate.getDate()+'/'+(dDepartureDate.getMonth()+1)+'/'+
	        dDepartureDate.getFullYear()+'|';
	}
	
	return sReturn;
}


function CalculateDepartureDate() {

	//determine the search mode
	var sMode=GetSearchMode();	

	//check date isn't before today
	var oCalendar=new Calendar(null, 'calArrivalDate');
	var dToday=d.GetDateOnly(new Date());
	if (oCalendar.CurrentDate < dToday) {
		
		alert(sMode=='FlightsPlusHotel' ? 'Please select a Departure Date today or later' : 'Please select an Arrival Date today or later');
		oCalendar.SetDate(d.Year(dToday), d.Month(dToday), d.Day(dToday));
	}

	var iDuration=parseInt(dd.GetText('ddlDuration'));
	
	if (isNaN(iDuration)==false) {
		
		var dDeparture=d.AddDays(oCalendar.CurrentDate,iDuration);
		
		oCalendarDepart=new Calendar(null,'calDepartureDate');
		oCalendarDepart.SetDate(d.Year(dDeparture), d.Month(dDeparture), d.Day(dDeparture));
	}
}

function CalculateNewDuration() {

	//get old dates
	oCalendar=new Calendar(null, 'calArrivalDate');
	oCalendarDepart=new Calendar(null, 'calDepartureDate');
	var dArrival=oCalendar.CurrentDate;
	var dDeparture=oCalendarDepart.CurrentDate;
	
	//work out new duration
	var iDuration=d.DateDiff(dArrival,dDeparture)-1;
	
	//check duration is >= 1 and end date ain't before start date
	var sWarning='';
	if (iDuration<0) {
		sWarning='You must select a Departure Date at least one date after the Arrival Date';
	} else if (iDuration>29) {
		sWarning='The maximum number of nights you can book is 29';
	}
	
	if (sWarning=='') {
		dd.SetText('ddlDuration',iDuration);
	} else {
	
		//pop up a warning
		alert(sWarning);
		
		CalculateDepartureDate();
	}
	
}


function FlightReSearch(StartDate, EndDate) {

	var aStartDate=StartDate.split('/');
	oStartDate=new Calendar(null,'calArrivalDate');
	oStartDate.SetDate(aStartDate[0],n.SafeInt(aStartDate[1]),n.SafeInt(aStartDate[2]));
	
	var aEndDate=EndDate.split('/');
	oEndDate=new Calendar(null,'calDepartureDate');
	oEndDate.SetDate(aEndDate[0],n.SafeInt(aEndDate[1]),n.SafeInt(aEndDate[2]));
	
	Search();
}

function FlightAlternativeFlight(StartDate, Duration) {

	var aStartDate=StartDate.split('/');
	oStartDate=new Calendar(null,'calArrivalDate');
	oStartDate.SetDate(aStartDate[0],n.SafeInt(aStartDate[1]),n.SafeInt(aStartDate[2]));
	
	dd.SetText('ddlDuration',Duration);
	CalculateDepartureDate();
	Search();

}


function NoFlightRowOver(oEvent) {
	var oRow=f.GetObjectFromEvent(oEvent).parentNode;
	f.SetClass(oRow,'hover');
}

function NoFlightRowOut(oEvent) {
	var oRow=f.GetObjectFromEvent(oEvent).parentNode;
	f.SetClass(oRow,'');
}

function NoFlightSelect(oEvent) {
	var oRow=f.GetObjectFromEvent(oEvent).parentNode;
	var aBits=oRow.id.split('_');
	
	var sDate=s.Replace(aBits[1],'-','/');
	var iDuration=aBits[2];
	
	FlightAlternativeFlight(sDate,iDuration);

}