function hideDesc(sPage, sID) {
	makeRequest('/central/booking/nodesc.asp', 'details' + sID);
	document.getElementById("link" + sID).innerHTML = "Show Details";
	document.getElementById("link" + sID).onclick = function() { showDesc(sPage, sID); };
}

function showDesc(sPage, sID) {
	makeRequest('/central/booking/' + sPage + '?id=' + sID, 'details' + sID);
	document.getElementById("link" + sID).innerHTML = "Hide Details";
	document.getElementById("link" + sID).onclick = function() { hideDesc(sPage, sID); };
	setHeight();
}


function GetRes() {
	var gform = document.forms['CancelForm'];
	var gResno = gform.Resno.value;
	var gsurname = gform.Surname.value;

	if (gResno == "")
	{ alert("Please Enter your reservation number."); }
	else if (gsurname == "")
	{ alert("Please Enter your Surname."); }
	else {
		var gQuery = "Resno=" + gResno + "&surname=" + gsurname;
		enforceBookingContainers();
		makeRequest("/central/booking/get_booking_details.asp?" + gQuery, "bookingcontentcontainer");
	}
}

/*****************************/
/* STAGE SWITCHING FUNCTIONS */
/*****************************/

function enforceBookingContainers() {
	/*
	Check that the "content" div contains the
	bookingnavcontainer and bookingcontentcontainer
	*/

	var contentElement, bookingNavContainer, bookingContentContainer;
	if (!document.getElementById('bookingnavcontainer') || !document.getElementById('bookingcontentcontainer')) {
		contentElement = document.getElementById('content');
		while (contentElement.childNodes.length > 0)
		{ contentElement.removeChild(contentElement.firstChild); }

		if (contentElement.appendChild) {
			bookingNavContainer = document.createElement('div');
			bookingNavContainer.setAttribute('id', 'bookingnavcontainer');
			bookingContentContainer = document.createElement('div');
			bookingContentContainer.setAttribute('id', 'bookingcontentcontainer');

			contentElement.appendChild(bookingNavContainer);
			contentElement.appendChild(bookingContentContainer);

			contentElement.innerHTML = contentElement.innerHTML;
		}
		else {
			bookingNavContainer = '<div id="bookingnavcontainer" />';
			bookingContentContainer = '<div id="bookingcontentcontainer" />';
			contentElement.innerHTML = bookingNavContainer + bookingContentContainer;
		}
	}
}

function currencyRefresh(currencyList, stage) {
	var currencyCode = currencyList[currencyList.selectedIndex].value;
	switch (stage) {
		case 1:
			goToStage1();
			break;
		case 2:
			goToStage2(false, { currency: currencyCode });
			break;
		case 3:
			goToStageด3(false, { currency: currencyCode });
			break;
		case 4:
			goToStage4(false, { currency: currencyCode });
			break;
		case 5:
			goToStage5(false, { currency: currencyCode });
			break;
	}
}

function generalStageNodeReplacement(xmlDoc) {
	var navigationNode = xmlDoc.getElementsByTagName('ol')[0];
	var contentNode = xmlDoc.getElementsByTagName('div')[0];

	// clear navigation parent
	var navigationParent = document.getElementById('bookingnavcontainer');
	while (navigationParent.childNodes.length > 0)
	{ navigationParent.removeChild(navigationParent.firstChild); }

	// clear content parent
	var contentParent = document.getElementById('bookingcontentcontainer');
	while (contentParent.childNodes.length > 0)
	{ contentParent.removeChild(contentParent.firstChild); }

	// insert the navigation
	if (navigationParent.attachEvent) {
		// IE branch
		navigationParent.innerHTML = navigationNode.xml;
	}
	else {
		navigationParent.appendChild(navigationNode);
		navigationParent.innerHTML = navigationParent.innerHTML;
	}

	// insert the content
	if (contentParent.attachEvent) {
		// IE branch
		contentParent.innerHTML = contentNode.xml;
	}
	else {
		contentParent.appendChild(contentNode);
		contentParent.innerHTML = contentParent.innerHTML;
	}
}

function goToProcessFromRightNav(isForward, otherArgs) {
	//get the url for hotel 
	var hotel_url = XmlHttp.create();
	hotel_url.open('GET', '/_xml/hotel_id.xml', false);
	hotel_url.send(null);
	var hotel_response = (hotel_url.responseXML);
	var Hurl = (hotel_response.getElementsByTagName('site')[0].firstChild.nodeValue);




	var sessionReq = XmlHttp.create();
	var sessionObject, key;

	if (Hurl == 'charleshotel') {
		var postContent = '<form id="transfer" method="post" action="https://www.' + Hurl + '.de/central/reservations.asp">';
	}
	else if (Hurl == 'hotelderussie') {
		var postContent = '<form id="transfer" method="post" action="https://www.' + Hurl + '.it/central/reservations.asp">';
	}
	else if (Hurl == 'hotelsavoy') {
		var postContent = '<form id="transfer" method="post" action="https://www.' + Hurl + '.it/central/reservations.asp">';
	}
	else {
		var postContent = '<form id="transfer" method="post" action="https://www.' + Hurl + '.com/central/reservations.asp">';
	}

	// retrieve session variables (via JSON) into an object
	sessionReq.open('GET', '/central/booking/sessionvariables.asp', false);
	sessionReq.send(null);
	eval(sessionReq.responseText);

	// generate hidden form fields
	for (key in sessionObject) {
		if (sessionObject.hasOwnProperty(key))
		{ postContent += '<input type="hidden" id="' + key + '" name="' + key + '" value="' + sessionObject[key] + '" />'; }
	}

	// add ratecode
	if (otherArgs && otherArgs.rateCode !== undefined)
	{ postContent += '<input type="hidden" id="rcode" name="rcode" value="' + otherArgs.rateCode + '" />'; }

	// add nextstage
	if (otherArgs && otherArgs.nextstage !== undefined)
	{ postContent += '<input type="hidden" id="nextstage" name="nextstage" value="' + otherArgs.nextstage + '" />'; }

	// close the form
	postContent += '</form>'
	//alert(postContent);
	// append form into the document somewhere
	document.getElementById('smallgetratescontainer').innerHTML = postContent;

	// POST form
	document.getElementById('transfer').submit();
}



/* STAGE 1 */
function goToStage1(isForward) {
	var url = '/central/booking/checkAvailability.asp';
	var httpRequest = XmlHttp.create();

	httpRequest.onreadystatechange = function() { stage1Completion(httpRequest); }

	httpRequest.open('GET', url, true);
	httpRequest.send(null);
}
function stage1Completion(httpRequest) {
	if (httpRequest.readyState == 4) {
		if (httpRequest.status == 200) {
			// replace the navigation and content
			var xmlDoc = httpRequest.responseXML;
			generalStageNodeReplacement(xmlDoc);

			// set height correctly
			setHeight();

			// set dates from cookies if available
			initialiseDateDropdowns();

			//set up arrival date calendar
			arrDateSetup();

			// set up departure date calendar
			depDateSetup();
		}
		else {
			alert('There was a problem with the request.' + httpRequest.status);
		}
	}
}

/* STAGE 1 INTERFACE FUNCTIONS */
function arrDateSetup() {
	var curDate = document.getElementById('bookcheckin').value;
	Calendar.setup({
		inputField: 'bookcheckin',
		button: 'bookcheckintrigger',
		date: curDate,
		ifFormat: "%d/%m/%Y",
		onSelect: function(calendar) { changeDate(calendar, 1); }
	});
}

function depDateSetup() {
	var curDate = document.getElementById('bookcheckout').value;
	Calendar.setup({
		inputField: 'bookcheckout',
		button: 'bookcheckouttrigger',
		date: curDate,
		ifFormat: "%d/%m/%Y",
		onSelect: function(calendar) { changeDate(calendar, 0); }
	});
}

/* END STAGE 1 */

function getRates_NET(formId) {


	//get the url for hotel 
	var hotel_url = XmlHttp.create();
	hotel_url.open('GET', '/_xml/hotel_id.xml', false);
	hotel_url.send(null);
	var hotel_response = (hotel_url.responseXML);
	var Hurl = (hotel_response.getElementsByTagName('url')[0].firstChild.nodeValue);

	var hId = (hotel_response.getElementsByTagName('id')[0].firstChild.nodeValue);

	if (hId == 16) {
		var url = 'http://' + Hurl + '/central/reservations_v2.asp?stage=2';
	}
	else {
		var url = 'https://' + Hurl + '/central/reservations_v2.asp?stage=2';
	}
	
	

	//retrieving source tracking and adding it to the querystring
	var source = NETJOHNHENRY.getQueryString('source');
	if (source != '') {
		url += '&source=' + source;
	}

	var roomsElement;
	var grooms;
	var guestsElement;
	var gAdults;

	var flag = document.getElementById('ddadults');


	//In deeplink pages if right nav form exists
	if (formId == "rightnav") {
		url += '&BookCheckInDayDropDownList=' + document.getElementById('availcheckinday').value;
		url += '&BookCheckInMonthDropDownList=' + document.getElementById('availcheckinmonth').value;
		url += '&BookCheckOutDayDropDownList=' + document.getElementById('availcheckoutday').value;
		url += '&BookCheckOutMonthDropDownList=' + document.getElementById('availcheckoutmonth').value;

		guestsElement = document.getElementById('guests');
		gAdults = guestsElement[guestsElement.selectedIndex].value;
		roomsElement = document.getElementById('no_of_rooms');
		grooms = roomsElement[roomsElement.selectedIndex].value;
	}
	else {
		url += '&BookCheckInDayDropDownList=' + document.getElementById('bookcheckinday').value;
		url += '&BookCheckInMonthDropDownList=' + document.getElementById('bookcheckinmonth').value;
		url += '&BookCheckOutDayDropDownList=' + document.getElementById('bookcheckoutday').value;
		url += '&BookCheckOutMonthDropDownList=' + document.getElementById('bookcheckoutmonth').value;
		guestsElement = document.getElementById('ddadults');
		gAdults = guestsElement[guestsElement.selectedIndex].value;
		roomsElement = document.getElementById('ddrooms');
		grooms = roomsElement[roomsElement.selectedIndex].value;

	}

	url += '&NumberOfRoomsDropDownList=' + grooms;
	url += '&NumberOfGuestsDropDownList=' + gAdults;
	url += '&VisitorTypeDropDownList=' + document.getElementById('type').value;
	url += '&IPackageHiddenField=0';
	url += '&RefreshSession=1';
	url += '&lang=EN';
	location.href = url;
}

/* STAGE 2 */
function getRates_small(formId) {
	var gDate1 = document.getElementById('availcheckin').value;
	var gDate2 = document.getElementById('availcheckout').value;

	var guestsElement;
	var gAdults;
	var roomsElement;
	var grooms;
	var typeElement;
	var typeElementRightNav;
	var typeValue;
	var typeValueRightNav;
	var flag = document.getElementById('ddadults');

	var rightNavForm = document.getElementById("checkavailform");
	//In deeplink pages if right nav form exists
	if (rightNavForm != null) {
		typeElementRightNav = rightNavForm.elements["type"];
		typeValueRightNav = typeElementRightNav[typeElementRightNav.selectedIndex].value;

		typeElement = document.getElementById('type');
		typeValue = typeElement[typeElement.selectedIndex].value;


		if (typeValue != -1) {
			typeValueRightNav = typeValue;
		}
		if (typeValueRightNav != -1) {
			typeValue = typeValueRightNav;
		}

		guestsElement = document.getElementById('guests');
		gAdults = guestsElement[guestsElement.selectedIndex].value;
		roomsElement = document.getElementById('no_of_rooms');
		grooms = roomsElement[roomsElement.selectedIndex].value;
	}
	else {
		typeElement = document.getElementById('type');
		typeValue = typeElement[typeElement.selectedIndex].value;

		guestsElement = document.getElementById('ddadults');
		gAdults = guestsElement[guestsElement.selectedIndex].value;
		roomsElement = document.getElementById('ddrooms');
		grooms = roomsElement[roomsElement.selectedIndex].value;
	}

	var gType = typeValue;

	var dateParts1 = gDate1.split('/');
	reverseDate1 = dateParts1[2] + '/' + dateParts1[1] + '/' + dateParts1[0];

	var dateParts2 = gDate2.split('/');
	reverseDate2 = dateParts2[2] + '/' + dateParts2[1] + '/' + dateParts2[0];

	var month1_sel_index = document.getElementById('availcheckinmonth').selectedIndex;
	var month2_sel_index = document.getElementById('availcheckoutmonth').selectedIndex;

	var gQuery = 'date1=' + reverseDate1 + '&date2=' + reverseDate2 + '&rooms=' + grooms + '&adults=' + gAdults + '&children=0' + '&type=' + gType;

	var actualFrom = new Date(dateParts1[2], parseInt(dateParts1[1], 10) - 1, dateParts1[0]);
	var actualTo = new Date(dateParts2[2], parseInt(dateParts2[1], 10) - 1, dateParts2[0]);
	var maxTo = new Date(dateParts1[2], parseInt(dateParts1[1], 10) - 1, parseInt(dateParts1[0], 10) + 7);

	//current date
	var currentDate = new Date();
	currentDate.setMinutes(0);
	currentDate.setHours(0);
	currentDate.setSeconds(0);
	currentDate.setMilliseconds(0);


	if (currentDate <= actualFrom) {
		if (actualTo <= maxTo) {
			if (gType != -1) {
				if (grooms != "3+" && gAdults != "2+") {
					// display a loading message
					document.getElementById('smallgetratescontainer').innerHTML = '<p align="center"><object width="90" height="11" classid="clsid:d27cdb6e-ae6d-11cf-96b8-444553540000" codebase="http://fpdownload.macromedia.com/pub/shockwave/cabs/flash/swflash.cab#version=8,0,0,0"><param name="wmode" value="transparent"><param name="movie" value="/central/flash/loading_side.swf" /><embed src="/central/flash/loading_side.swf" width="90" height="11" type="application/x-shockwave-flash" wmode="transparent" pluginspage= "http://www.macromedia.com/go/getflashplayer" /></object></p>';

					//Handling this part with dot net
					getRates_NET(formId);
					/* var httpRequest = XmlHttp.create();
					var url = '/central/booking/loadXML.asp?' + gQuery;
					httpRequest.onreadystatechange = function() { smallSearchMidPoint(httpRequest, gDate1, gDate2); }
					httpRequest.open('GET', url, true);
					httpRequest.send(null);*/
				}
				else
					location.href = '/special/booking_enquiries.htm';
			}
			else {
				alert('Please specify purpose of stay.');
			}
		}
		else {
			// let the user know they can't select more than 7 days
			//alert('Please select a time span of 7 days or less.\n\n(eg. ' + actualFrom.toDateString() + ' to ' + maxTo.toDateString() + ')');
			location.href = '/special/booking_enquiries.htm';
		}
	}
	else {
		alert('The dates you have selected occur in the past please select dates in the future.');
	}
}
function smallSearchMidPoint(interimReq, dateIn, dateOut) {
	var errorContent = '';
	if (interimReq.readyState == 4) {
		if (interimReq.status == 200) {
			// catch result of loadXML.asp, and check for error message
			var dataResponse = interimReq.responseXML;

			if (dataResponse.getElementsByTagName('error').length > 0) {
				var errorType = dataResponse.getElementsByTagName('error')[0].getAttribute('type');
				switch (errorType) {
					case 'noavail':
						//stage2DataError(dataResponse);
						errorContent += '<p>Unfortunately the hotel that you have selected has no rooms available for the dates that you have selected.</p>';
						errorContent += '<p>Please either try alternative dates or click on the link below to Speak to Hotel immediately and at no cost regarding your request.</p>';
						errorContent += '<p><a href="/special/speak_to_hotel.htm">Speak to Hotel</a></p>';
						break;
					case 'parseerror':
						errorContent += '<p>Unfortunately, we are unable to deal with your request at the moment, please try again later or click <a href="/special/speak_to_hotel.htm">here</a> to Speak to Hotel immediately and at no cost</p>';
						break;
					default:
						// nothing as yet
				}
				document.getElementById('smallgetratescontainer').innerHTML = errorContent;
				setHeight();
			}
			else {
				dateIn = dateIn.replace(/\//g, '_');
				dateOut = dateOut.replace(/\//g, '_');

				var url = '/central/booking/small_getRates.asp?datein=' + dateIn + '&dateout=' + dateOut;
				var httpRequest = XmlHttp.create();
				httpRequest.onreadystatechange = function() { smallSearchCompletion(httpRequest); }
				httpRequest.open('GET', url, true);
				httpRequest.send(null);
			}
		}
		else {
			errorContent += '<p>Unfortunately, we are unable to deal with your request at the moment, please try again later or click <a href="/special/speak_to_hotel.htm">here</a> to Speak to Hotel immediately and at no cost</p>';
			document.getElementById('smallgetratescontainer').innerHTML = errorContent;
		}
	}
}
function smallSearchCompletion(httpRequest) {
	if (httpRequest.readyState == 4) {
		if (httpRequest.status == 200) {
			var dataResponse = httpRequest.responseText;
			document.getElementById('smallgetratescontainer').innerHTML = dataResponse;
			setHeight();
		}
	}
}


function goToStage2(isForward, otherArgs) {
	var url;

	if (isForward) {
		// load XML from protel into the database before proceeding

		var fromDate = document.getElementById('bookcheckin').value;
		var toDate = document.getElementById('bookcheckout').value;

		var typeElement = document.getElementById('type');
		var gType = typeElement[typeElement.selectedIndex].value;

		// check the dates are not more than 7 days apart before sending off for the data
		var fromParts = fromDate.split('/');
		var toParts = toDate.split('/');
		var actualFrom = new Date(fromParts[2], parseInt(fromParts[1], 10) - 1, fromParts[0]);
		var actualTo = new Date(toParts[2], parseInt(toParts[1], 10) - 1, toParts[0]);
		var maxTo = new Date(fromParts[2], parseInt(fromParts[1], 10) - 1, parseInt(fromParts[0], 10) + 7);


		var fromMonth = parseInt(fromParts[1], 10);
		var toMonth = parseInt(toParts[1], 10);
		var reverseFrom = fromParts[2] + '/' + (fromMonth < 10 ? '0' : '') + fromMonth + '/' + fromParts[0];
		var reverseTo = toParts[2] + '/' + (toMonth < 10 ? '0' : '') + toMonth + '/' + toParts[0];


		//current Date
		var currentDate = new Date();
		currentDate.setMinutes(0);
		currentDate.setHours(0);
		currentDate.setSeconds(0);
		currentDate.setMilliseconds(0);

		if (currentDate <= actualFrom) {
			if (actualTo <= maxTo) {
				if (gType != -1) {
					// less than 7 days selected, so off we go
					roomsList = document.getElementById('ddrooms');
					var rooms = roomsList[roomsList.selectedIndex].value;

					adultsList = document.getElementById('ddadults');
					var adults = adultsList[adultsList.selectedIndex].value;

					//childrenList = document.getElementById('ddchildren');
					//var children = childrenList[childrenList.selectedIndex].value;

					typeList = document.getElementById('type');
					var type = typeList[typeList.selectedIndex].value;

					var iPackage = document.getElementById('ipackage').value;

					var query = 'date1=' + reverseFrom + '&date2=' + reverseTo + '&rooms=' + rooms + '&adults=' + adults + '&children=0' + '&type=' + type + '&ipackage=' + iPackage;
					url = '/central/booking/loadXML.asp?' + query;

					// show loading graphic
					document.getElementById('bookingcontent').innerHTML = '<p align="center"><object width="282" height="145" classid="clsid:d27cdb6e-ae6d-11cf-96b8-444553540000" codebase="http://fpdownload.macromedia.com/pub/shockwave/cabs/flash/swflash.cab#version=8,0,0,0"><param name="wmode" value="transparent"><param name="movie" value="/central/flash/loading_main.swf" /><embed src="/central/flash/loading_main.swf" width="282" height="145" type="application/x-shockwave-flash" wmode="transparent" pluginspage= "http://www.macromedia.com/go/getflashplayer" /></object></p>'; ;
					if (document.getElementsByTagName('body')[0].attachEvent) {
						// IE branch
						if (otherArgs)
						{ var timer = setTimeout('triggerSearch(\'' + url + '\',' + otherArgs.toString + ')', 50); }
						else
						{ var timer = setTimeout('triggerSearch(\'' + url + '\')', 50); }
					}
					else {
						// everyone else
						var timer = setTimeout(triggerSearch, 50, url, otherArgs);
					}
				}
				else {
					alert('Please specify purpose of stay.');
				}
			}
			else {
				// let the user know they can't select more than 7 days
				alert('Please select a time span of 7 days or less.\n\n(eg. ' + actualFrom.toDateString() + ' to ' + maxTo.toDateString() + ')');
			}
		}
		else {
			alert('The dates you have selected occur in the past please select dates in the future.');
		}
	}
	else {
		// send off for page refresh without going to database
		stage2PageRefresh(otherArgs);
	}
}
function triggerSearch(url, otherArgs) {
	var httpRequest = XmlHttp.create();
	httpRequest.onreadystatechange = function() { stage2MidPoint(httpRequest, otherArgs); }
	httpRequest.open('GET', url, true);
	httpRequest.send(null);
}
function stage2MidPoint(interimReq, otherArgs) {
	if (interimReq.readyState == 4) {
		if (interimReq.status == 200) {
			// catch result of loadXML.asp, and check for error message
			var dataResponse = interimReq.responseXML;

			if (dataResponse.getElementsByTagName('error').length > 0) {
				var errorType = dataResponse.getElementsByTagName('error')[0].getAttribute('type');

				switch (errorType) {
					case 'noavail':
						stage2DataError(dataResponse);
						break;
					case 'parseerror':
						makeRequest('/central/Showerror.asp', 'bookingcontent');
						break;
					default:
						// nothing as yet
				}
			}
			else
			{ stage2PageRefresh(otherArgs); }
		}
		else {
			makeRequest('/central/Showerror.asp', 'bookingcontent');
		}
	}
}
function stage2PageRefresh(otherArgs) {
	var url = '/central/booking/getRates.asp';
	if (otherArgs && otherArgs.currency !== undefined)
	{ url += '?currency=' + otherArgs.currency; }

	var httpRequest = XmlHttp.create();
	httpRequest.onreadystatechange = function() { stage2Completion(httpRequest, otherArgs); }
	httpRequest.open('GET', url, true);
	httpRequest.send(null);
}

function stage2DataError(errorDocument) {
	// do something with errorDocument to pass through to the asp
	var url = '/central/booking/dataloaderror.asp';
	var httpRequest = XmlHttp.create();
	httpRequest.onreadystatechange = function() { stage2Completion(httpRequest); }
	httpRequest.open('GET', url, true);
	httpRequest.send(null);
}

function stage2Completion(httpRequest, otherArgs) {
	if (httpRequest.readyState == 4) {
		if (httpRequest.status == 200) {
			// replace the navigation and content
			var xmlDoc = httpRequest.responseXML;
			generalStageNodeReplacement(xmlDoc);

			if (otherArgs && otherArgs.rateCode !== undefined)
			{ showDesc('ratedesc.asp', otherArgs.rateCode); }

			// set height correctly
			setHeight();
		}
		else {
			alert('There was a problem with the request.' + httpRequest.status);
		}
	}
}
/* END STAGE 2 */


/* STAGE 3 */
function goToStage3(isForward, otherArgs) {
	var url = '/central/booking/getRooms.asp';

	if (isForward) {
		if (otherArgs && otherArgs.rateCode !== undefined) {
			// add the ratecode to the querystring
			url += '?ratecode=' + otherArgs.rateCode;
		}
		else {
			// error: going forward with no ratecode
			alert('No ratecode supplied');
			return false;
		}
	}
	else {
		if (otherArgs && otherArgs.currency !== undefined)
		{ url += '?currency=' + otherArgs.currency; }
	}

	var httpRequest = XmlHttp.create();
	httpRequest.onreadystatechange = function() { stage3Completion(httpRequest); }
	httpRequest.open('GET', url, true);
	httpRequest.send(null);
}
function stage3Completion(httpRequest) {
	if (httpRequest.readyState == 4) {
		if (httpRequest.status == 200) {
			// replace the navigation and content
			var xmlDoc = httpRequest.responseXML;
			generalStageNodeReplacement(xmlDoc);

			// set height correctly
			setHeight();
		}
		else {
			alert('There was a problem with the request.' + httpRequest.status);
		}
	}
}
/* END STAGE 3 */


/* SUMMARISE STAGE */
function goToStageSummary(isForward, otherArgs) {
	var url = '/central/booking/summarise.asp';

	if (isForward) {
		if (otherArgs && otherArgs.roomCode !== undefined) {
			// add the ratecode to the querystring
			url += '?roomcode=' + otherArgs.roomCode;
		}
		else {
			// error: going forward with no ratecode
			alert('No roomcode supplied');
			return false;
		}
	}

	var httpRequest = XmlHttp.create();
	httpRequest.onreadystatechange = function() { stageSummaryCompletion(httpRequest); }
	httpRequest.open('GET', url, true);
	httpRequest.send(null);
}
function stageSummaryCompletion(httpRequest) {
	if (httpRequest.readyState == 4) {
		if (httpRequest.status == 200) {
			// replace the navigation and content
			var xmlDoc = httpRequest.responseXML;
			generalStageNodeReplacement(xmlDoc);

			// set height correctly
			setHeight();
			setHeight();
		}
		else {
			alert('There was a problem with the request.' + httpRequest.status);
		}
	}
}
/* END SUMMARISE STAGE */


/* STAGE 4 */
function goToStage4(isForward, otherArgs) {
	var url = '/central/booking/completeRes.asp';

	if (isForward) {
		// nothing needs to be passed forward here
	}

	var httpRequest = XmlHttp.create();
	httpRequest.onreadystatechange = function() { stage4Completion(httpRequest); }
	httpRequest.open('GET', url, true);
	httpRequest.send(null);
}
function stage4Completion(httpRequest) {
	if (httpRequest.readyState == 4) {
		if (httpRequest.status == 200) {
			// replace the navigation and content
			var xmlDoc = httpRequest.responseXML;
			generalStageNodeReplacement(xmlDoc);

			// set height correctly
			setHeight();
			setHeight();
		}
		else {
			alert('There was a problem with the request.' + httpRequest.status);
		}
	}
}
/* END STAGE 4 */


/* STAGE 5 */
function goToStage5(isForward, otherArgs) {
	document.getElementById('submitbutton').disabled = true;
	var url = '/central/booking/processApp.asp';

	if (isForward) {
		// If not going forward, MUST NOT RESUBMIT THE RESERVATION
		// Otherwise, validate then create a postable chunk from the fields
		if (validateGuestInfo()) {
			var formContent = '';
			formContent += 'title=' + document.getElementById('title')[document.getElementById('title').selectedIndex].value;
			formContent += '&fname=' + document.getElementById('fname').value;
			formContent += '&sname=' + document.getElementById('sname').value;
			formContent += '&address1=' + document.getElementById('address1').value.replace(/\s/g, '_');
			formContent += '&address2=' + document.getElementById('address2').value.replace(/\s/g, '_');
			formContent += '&pcode=' + document.getElementById('pcode').value;
			formContent += '&city=' + document.getElementById('city').value;
			formContent += '&country=' + document.getElementById('country')[document.getElementById('country').selectedIndex].value;
			formContent += '&tel=' + document.getElementById('tel').value;
			formContent += '&email=' + document.getElementById('email').value;
			//formContent += '&purpose=' + document.getElementById('purpose').value;
			formContent += '&creditno=' + document.getElementById('creditno').value;
			formContent += '&nameoncard=' + document.getElementById('nameoncard').value.replace(/\s/g, '_');
			formContent += '&cardtype=' + document.getElementById('cardtype').value;
			formContent += '&cc_exp_m=' + document.getElementById('cc_exp_m').value;
			formContent += '&cc_exp_y=' + document.getElementById('cc_exp_y').value;

			var prefString = '';
			if (document.getElementById('prefs1').checked)
			{ prefString += document.getElementById('prefs1').value; }
			for (var n = 2; n <= 10; n++) {
				if (document.getElementById('prefs' + n).checked)
				{ prefString += ',' + document.getElementById('prefs' + n).value; }
			}
			formContent += '&prefs=' + prefString;

			var httpRequest = XmlHttp.create();
			httpRequest.onreadystatechange = function() { stage5Completion(httpRequest); }
			httpRequest.open('POST', url, true);
			httpRequest.setRequestHeader('Content-Type', 'application/x-www-form-urlencoded');
			httpRequest.send(formContent);
		}
	}
}
function stage5Completion(httpRequest) {
	if (httpRequest.readyState == 4) {
		if (httpRequest.status == 200) {
			// replace the navigation and content
			var xmlDoc = httpRequest.responseXML;
			generalStageNodeReplacement(xmlDoc);

			// set height correctly
			setHeight();
		}
		else {
			alert('There was a problem with the request.' + httpRequest.status);
		}
	}
}

/* STAGE 5 INTERFACE FUNCTIONS */
function validateGuestInfo() {
	var sTitle = document.getElementById('title')[document.getElementById('title').selectedIndex].value;
	var sfname = document.getElementById('fname').value;
	var ssname = document.getElementById('sname').value;
	var saddress1 = document.getElementById('address1').value;
	var saddress2 = document.getElementById('address2').value;
	var spcode = document.getElementById('pcode').value;
	var scity = document.getElementById('city').value;
	var scountry = document.getElementById('country')[document.getElementById('country').selectedIndex].value;
	var stel = document.getElementById('tel').value;
	var semail = document.getElementById('email').value;
	var screditno = document.getElementById('creditno').value;
	var snameoncard = document.getElementById('nameoncard').value;
	var sCardType = document.getElementById('cardtype').value;
	var scc_Exp_M = document.getElementById('cc_exp_m').value;
	var scc_Exp_Y = document.getElementById('cc_exp_y').value;

	if (sfname == '') {
		document.getElementById('submitbutton').disabled = false;
		alert('Please enter your First name.'); return false;
	}

	if (ssname == '') {
		document.getElementById('submitbutton').disabled = false;
		alert('Please enter your Surname.'); return false;
	}

	if (saddress1 == '') {
		document.getElementById('submitbutton').disabled = false;
		alert('Please enter a valid Address.'); return false;
	}

	if (spcode == '') {
		document.getElementById('submitbutton').disabled = false;
		alert('Please enter a valid Post Code.'); return false;
	}

	if (scity == '') {
		document.getElementById('submitbutton').disabled = false;
		alert('Please enter a valid city name.'); return false;
	}

	if (semail == '') {
		document.getElementById('submitbutton').disabled = false;
		alert('Please enter a valid email address.'); return false;
	}

	if (scountry == '0') {
		document.getElementById('submitbutton').disabled = false;
		alert('Please Select a country'); return false;
	}

	if (document.getElementById('terms').checked == false) {
		document.getElementById('submitbutton').disabled = false;
		alert('Please Confirm that you agree to the Terms and Conditions.'); return false;
	}

	if (screditno == '') {
		document.getElementById('submitbutton').disabled = false;
		alert('Please enter a valid credit card number.'); return false;
	}

	var credit_length = (screditno.length);
	var credit_checker = 0;
	var the_char;
	var reverse_counter = 0;
	var char_counter = 0;

	for (var iDx = credit_length; iDx > 0; iDx--) {
		char_counter = iDx - 1;
		the_char = parseInt(screditno.charAt((char_counter)));
		reverse_counter += 1;

		if ((reverse_counter % 2) != 0) {
			credit_checker += the_char
		}
		else {
			the_char = the_char * 2;
			if (the_char > 9) {
				temp_value = parseInt(the_char / 10) + (the_char % 10);
				the_char = temp_value;
				credit_checker += the_char;
			}
			else
			{ credit_checker += the_char }
		}
	}
	if ((credit_checker % 10) != 0) {
		document.getElementById('submitbutton').disabled = false;
		alert('The credit card number you entered is invalid.'); return false;
	}

	if (snameoncard == '') {
		document.getElementById('submitbutton').disabled = false;
		alert('Please enter name on credit card.'); return false;
	}

	if (scc_Exp_M == 'Month') {
		document.getElementById('submitbutton').disabled = false;
		alert('Please select a valid credit card expiry month.'); return false;
	}

	if (scc_Exp_Y == 'Year') {
		document.getElementById('submitbutton').disabled = false;
		alert('Please enter a valid credit card expiry year.'); return false;
	}

	if (stel == '') {
		document.getElementById('submitbutton').disabled = false;
		alert('Please enter a telephone number.'); return false;
	}

	return true;
}
/* END STAGE 5 */

/* NEW FUNCTIONS MOHAMMAD */
function special_rates_page(sPage, sRate, sHotel) {
	makeRequest('/central/booking/new_rates.asp', 'bookingcontentcontainer');
	//replace_rate(sPage,sRate,sHotel);
}
function goto_new_rooms_page() {
	makeRequest('/getrooms.asp?room_suite=room', 'content')
}
function goto_new_suites_page() {
	makeRequest('/getrooms.asp?room_suite=suite', 'content')
}
function goto_new_rates_page() {
	makeRequest('/new_rates.asp', 'content')
}
function showDesc_rooms(sPage, sID, sHotel) {
	document.getElementById("room_desc_" + sID).style.display = 'block';
	document.getElementById("link" + sID).innerHTML = "Hide Details";
	document.getElementById("link" + sID).onclick = function() { hideDesc_rooms(sPage, sID, sHotel); };
	setHeight();
}
function hideDesc_rooms(sPage, sID, sHotel) {
	document.getElementById("room_desc_" + sID).style.display = 'none';
	document.getElementById("link" + sID).innerHTML = "Show Details";
	document.getElementById("link" + sID).onclick = function() { showDesc_rooms(sPage, sID, sHotel); };
}
function replace_rate(sPage, sRate, sHotel) {
	makeRequest('/central/booking/' + sPage + '?id=' + sRate + '&hotel=' + sHotel, 'rate_div');
	setHeight();
}
function goToStage2_new(isForward, otherArgs) {
	var url;

	if (isForward) {
		// load XML from protel into the database before proceeding

		var fromDate = document.getElementById('bookcheckin').value;
		var toDate = document.getElementById('bookcheckout').value;

		var typeElement = document.getElementById('type');
		var gType = typeElement[typeElement.selectedIndex].value;



		// check the dates are not more than 7 days apart before sending off for the data
		var fromParts = fromDate.split('/');
		var toParts = toDate.split('/');
		var actualFrom = new Date(fromParts[2], parseInt(fromParts[1], 10) - 1, fromParts[0]);
		var actualTo = new Date(toParts[2], parseInt(toParts[1], 10) - 1, toParts[0]);
		var maxTo = new Date(fromParts[2], parseInt(fromParts[1], 10) - 1, parseInt(fromParts[0], 10) + 7);


		var fromMonth = parseInt(fromParts[1], 10);
		var toMonth = parseInt(toParts[1], 10);
		var reverseFrom = fromParts[2] + '/' + (fromMonth < 10 ? '0' : '') + fromMonth + '/' + fromParts[0];
		var reverseTo = toParts[2] + '/' + (toMonth < 10 ? '0' : '') + toMonth + '/' + toParts[0];


		//current Date
		var currentDate = new Date();
		currentDate.setMinutes(0);
		currentDate.setHours(0);
		currentDate.setSeconds(0);
		currentDate.setMilliseconds(0);

		if (currentDate <= actualFrom) {
			if (actualTo <= maxTo) {
				if (gType != -1) {
					// less than 7 days selected, so off we go
					roomsList = document.getElementById('ddrooms');
					var rooms = roomsList[roomsList.selectedIndex].value;

					adultsList = document.getElementById('ddadults');
					var adults = adultsList[adultsList.selectedIndex].value;

					//childrenList = document.getElementById('ddchildren');
					//var children = childrenList[childrenList.selectedIndex].value;

					typeList = document.getElementById('type');
					var type = typeList[typeList.selectedIndex].value;

					var iPackage = document.getElementById('ipackage').value;



					var query = 'date1=' + reverseFrom + '&date2=' + reverseTo + '&rooms=' + rooms + '&adults=' + adults + '&children=0' + '&type=' + type + '&ipackage=' + iPackage;
					url = '/central/booking/loadXML.asp?' + query;

					// show loading graphic
					document.getElementById('bookingcontentcontainer').innerHTML = '<p align="center"><object width="282" height="145" classid="clsid:d27cdb6e-ae6d-11cf-96b8-444553540000" codebase="http://fpdownload.macromedia.com/pub/shockwave/cabs/flash/swflash.cab#version=8,0,0,0"><param name="wmode" value="transparent"><param name="movie" value="/central/flash/loading_main.swf" /><embed src="/central/flash/loading_main.swf" width="282" height="145" type="application/x-shockwave-flash" wmode="transparent" pluginspage= "http://www.macromedia.com/go/getflashplayer" /></object></p>';
					if (document.getElementsByTagName('body')[0].attachEvent) {
						// IE branch
						if (otherArgs)
						{ var timer = setTimeout('triggerSearch(\'' + url + '\',' + otherArgs.toString + ')', 50); }
						else
						{ var timer = setTimeout('triggerSearch(\'' + url + '\')', 50); }
					}
					else {
						// everyone else
						var timer = setTimeout(triggerSearch, 50, url, otherArgs);
					}
				}
				else {
					alert('Please specify purpose of stay.');
				}
			}
			else {
				// let the user know they can't select more than 7 days
				alert('Please select a time span of 7 days or less.\n\n(eg. ' + actualFrom.toDateString() + ' to ' + maxTo.toDateString() + ')');
			}
		}
		else {
			alert('The dates you have selected occur in the past please select dates in the future.');
		}
	}
	else {
		// send off for page refresh without going to database
		stage2PageRefresh(otherArgs);
	}
}