/*
	1) Useful functions.
	2) Postcodes: validation and find in modal dialog box.
	3) Email: validation and send from modal dialog box.
	4) Availability: highlighting, synching and validation.
	5) Form Level validation
	6) Fieldset level validation
*/

//1) Useful functions.
var intSubmission = 0;
var curFocus ='';
var postcodeModal=false;
var pendingEvent;

function firstSubmission()
	{
		if (intSubmission == 0)
			{
				intSubmission++;
				return true;
			}
		return false;
	}
	
function selectAll(id){
    document.getElementById(id).focus();
    if(id!=curFocus){
		document.getElementById(id).select();
	}
	curFocus=id;
}

//2) Postcodes: validation and find in modal dialog box.
function validatePostcode(Postcode){
	if (stringContainsTags(Postcode)){
		alert('This is not a valid UK postcode.');
		return false;
	}
	return true;
}

function resField_Keypress(ctl,evt){
	if (enterKey(ctl,evt)){
		document.forms['frmOption'].cmdContinue.click();
		return false;
	}
	return true;
}
function txtFindPostcode_Keypress(ctl,evt){
	if (enterKey(ctl,evt)){
		findAddress_Click();
		return false;
	}
	return true;
}

function txtFindPostcode2_Keypress(ctl,evt){
	if (enterKey(ctl,evt)){
		findAddress2_Click();
		return false;
	}
	return true;
}

function enterKey(ctl,evt){
	var keyCode = evt.keyCode ? evt.keyCode : evt.which ? evt.which : evt.charCode;
	return (keyCode == 13); 
}

function findAddress_Click(){
	$('matchingAddresses').options.length=0;
	$('noAddresses').innerHTML='';
	$('showAddresses').style.display='none';
	var postCode=$('txtFindPostcode').value;
	$('PersonDetails1_txtPostCode').value=postCode;
	if (validatePostcode(postCode)){
		sm('box',380,275);
		if($('txtFindPostcode2')){
			postcodeModal=true;
			$('fsPostcode').style.display='block';
			selectAll('txtFindPostcode2');
			$('txtFindPostcode2').value=postCode;
			findAddress(postCode);	
		}else{
			/*can't use modal dialog, open in situ */
			hm('box');
			postcodeModal=false;
			$('fsPostcode').style.display='none';
			$('box').style.display='block';
			findAddress(postCode);
		}
	}
}

function findAddress2_Click(){
	$('matchingAddresses').options.length=0;
	$('noAddresses').innerHTML='';
	$('showAddresses').style.display='none';
	$('noAddresses').style.display='none';
	var postCode=$('txtFindPostcode2').value;
	$('txtFindPostcode').value=postCode;
	$('PersonDetails1_txtPostCode').value=postCode;
	if (validatePostcode(postCode)){
		findAddress(postCode);
	}
}

function findAddress(postCode){
	if(postCode.length==0){
		$('noAddresses').style.display='block';
		$('noAddresses').innerHTML='Enter a UK Postcode to find your address.';
		$('waitAddresses').style.display='none';
		selectAll('txtFindPostcode2');
		return;
	}
	if (pendingEvent != null){
			clearTimeout(pendingEvent);
	}
	$('waitAddresses').style.display='block';
	$('showAddresses').style.display='none';
	var url= '/ajax_postcode.aspx'
		+ '?postCode=' + postCode;
	var method="GET";
	var ajax = xmlHttpRequestObject();
	ajax.onreadystatechange=function(){
		if(ajax.readyState==4){
			findAddress_OnResponse(ajax.responseXML);
		}
	}
	pendingEvent = setTimeout('$("waitAddresses2").style.display="block";',5000)
	ajax.open(method, url, true);
	ajax.setRequestHeader("Connection", "close");
	ajax.send(null);
}

function findAddress_OnResponse(responseXML){
	if (pendingEvent != null){
			clearTimeout(pendingEvent);
	}
	$('waitAddresses').style.display='none';
	$('waitAddresses2').style.display='none';
	var matchingAddresses=$('matchingAddresses');
	var noAddresses=$('noAddresses');
	var xmlDoc = responseXML;
	var results = xmlDoc.getElementsByTagName('Item');
	var i;
	matchingAddresses.options.length=0;
	noAddresses.innerHTML='';
	
	if (results.length==0){
		noAddresses.style.display='block';
		noAddresses.innerHTML='Sorry, no addresses were found for this postcode.';
		if(postcodeModal){
			selectAll('txtFindPostcode2');
		}
	} else if (results.length==1){
		if(results[0].getAttribute('error_number')){
			$('noAddresses').style.display='block';
			noAddresses.innerHTML='Sorry, no addresses were found for this postcode.';
			if(postcodeModal){
				selectAll('txtFindPostcode2');
			}
		} else {
			$('matchingAddresses').value=results[0].getAttribute('id');
			matchingAddresses_Click();
		}
	} else if (results.length>1){
		$('showAddresses').style.display='block';
		$('noAddresses').style.display='none';
		for (i=0;i<results.length;i++){
			if (results[i].getAttribute('description')){
				matchingAddresses.options[matchingAddresses.options.length] = new Option(results[i].getAttribute('description'),results[i].getAttribute('id'));
			}
		}
		
	}
}

function matchingAddresses_Click(){
	$('waitAddresses').style.display='block';
	$('showAddresses').style.display='none';
	var addressID=$('matchingAddresses').value;
	var url= '/ajax_postcode.aspx'
		+ '?addressID=' + addressID;
	var method="GET";
	var ajax = xmlHttpRequestObject();
	ajax.onreadystatechange=function(){
		if(ajax.readyState==4){
			matchingAddresses_OnResponse(ajax.responseXML);
		}
	}
	ajax.open(method, url, true);
	ajax.setRequestHeader("Content-type", "application/x-www-form-URLencoded");
	ajax.setRequestHeader("Connection", "close");
	ajax.send(null);
}

function matchingAddresses_OnResponse(responseXML){
	//var matchingAddresses=$('matchingAddresses');
	var xmlDoc = responseXML;
	var result = xmlDoc.getElementsByTagName('Item')[0];
	if(result.getAttribute('error_number')){
		$('waitAddresses').style.display='none';
		$('noAddresses').style.display='block';
		$('noAddresses').innerHTML='Sorry, no addresses were found for this postcode.';
		if(postcodeModal){
			selectAll('txtFindPostcode2');
		}
		return;
	}
	$('PersonDetails1_txtAdd1').value=''
	if (result.getAttribute('organisation_name')){
		$('PersonDetails1_txtAdd1').value+=result.getAttribute('organisation_name') + ', ';
	}
	$('PersonDetails1_txtAdd1').value+=result.getAttribute('line1');
	if (result.getAttribute('line2')){
		$('PersonDetails1_txtAdd2').value=result.getAttribute('line2');
	}else{
		$('PersonDetails1_txtAdd2').value='';
	}
	if (result.getAttribute('line3')){
		$('PersonDetails1_txtAdd3').value=result.getAttribute('line3');
	}else{
		$('PersonDetails1_txtAdd3').value='';
	}
	if(result.getAttribute('line4')){
		$('PersonDetails1_txtAdd3').value += ', ' + result.getAttribute('line4');
	}
	$('PersonDetails1_txtTown').value=result.getAttribute('post_town');
	$('PersonDetails1_txtCounty').value=result.getAttribute('county');
	if(result.getAttribute('postcode')){
		$('PersonDetails1_txtPostCode').value=result.getAttribute('postcode');
	}
	if(postcodeModal){
		hm('box',550,355);
	}else{
		$('box').style.display='none';
	}
}


function popDependantDdl(strH1Index, ddlH2Container)
	{
	var strH2ArrayItems;
	var strH2ArrayValues;
	ddlH2Container.options.length=0;
	if (strH1Index != '0')
		{
			strH2ArrayItems = eval('arrH2Items_' + strH1Index);
			strH2ArrayValues = eval('arrH2Values_' + strH1Index);
			for (var i =0;i < strH2ArrayItems.length; i++)
				{
					ddlH2Container.options[ddlH2Container.options.length] = new Option(strH2ArrayItems[i],strH2ArrayValues[i]);
				}
		}
	else
		{
			ddlH2Container.options[ddlH2Container.options.length] = new Option('                                                                            ','0');	
		}
	}

//3) Email: validation and send from modal dialog box.
function emailWin(){
	sm('box',550,355);
	document.getElementById('emailForm').style.display='block';
	document.getElementById('emailOutcomeException').style.display='none';
	document.getElementById('emailOutcomeSent').style.display='none';	
	selectAll('emailFrom');
}
function test(){
	alert('a');
}
function emailDept(dept){
	sm('box',550,355);
	/*problem in Safari on Mac: Object refs no longer work after content is rendered in box.
	Check here, if fails return true causes link to open email in new browser window.*/
	if (!$('emailData')){
		hm('box');
		return true;
	}
	
	$('emailData').value=dept;
	switch (dept) {
		case 'B':
			 $('emailSubject').value='Contact the Booking Office';
			 $('emailTitle').innerHTML='Contact the Booking Office';
			 $('introText').innerHTML='Complete this form to send a message to the booking office. Please make sure that your email address is correct or we will be unable to reply.';
			 break;
		case 'P':
			$('emailSubject').value='Contact the Property Department';
			$('emailTitle').innerHTML='Contact the Property Department';
			$('introText').innerHTML='Complete this form to send a message to the property department. Please make sure that your email address is correct or we will be unable to reply.';
			break;
		case 'I':
			$('emailSubject').value='Web site feedback';
			$('emailTitle').innerHTML='Web site feedback';
			$('introText').innerHTML='Complete this form to feedback comments on our Web site. Please make sure that your email address is correct or we will be unable to reply.';
			break;
	}
	
	$('emailForm').style.display='block';
	$('emailOutcomeException').style.display='none';
	$('emailOutcomeSent').style.display='none';	

	selectAll('yourName');
	return false;
}

function sendEmail(){
	var frm=document.forms['frmEmail'];
	
	if (validateEmailForm()){
		var url = "/ajax_email.aspx";
		var method="POST";
		var postData=emailPostData();
		var ajax = xmlHttpRequestObject();
		ajax.onreadystatechange=function(){
			if(ajax.readyState==4){
				sendEmail_OnResponse(ajax.responseXML);
			}
		}
		
		ajax.open(method, url, true);
		ajax.setRequestHeader("Content-type", "application/x-www-form-URLencoded");
		ajax.setRequestHeader("Content-length", postData.length);
		ajax.setRequestHeader("Connection", "close");
		ajax.send(postData);
	}
}


function sendEmail_OnResponse(responseXML){
	var xmlDoc = responseXML;
	var results = xmlDoc.getElementsByTagName('results')[0];
	var outcome=results.getAttribute('outcome');
	var message='';
	switch(outcome){
		case "validation":
			var valErrors = xmlDoc.getElementsByTagName('validation')[0];
			for (v=0;v<=valErrors.childNodes.length-1;v++){
				message+=valErrors.childNodes[v].getAttribute('error') + '\n';
			}
			alert(message);
			break;
		case "exception":
			document.getElementById('emailForm').style.display='block';
			document.getElementById('emailOutcomeSent').style.display='none';
			document.getElementById('emailOutcomeException').style.display='block';
			break;
		case "sent":
			document.getElementById('emailForm').style.display='none';
			document.getElementById('emailOutcomeSent').style.display='block';
			document.getElementById('emailOutcomeException').style.display='none';
			break;
		default:	
	}
}

function validateEmailForm(){
	curFocus ='';
	if($('emailFrom')){
		if (stringContainsTags($('emailFrom').value)){
			alert("The from email address contains restricted characters, please limit your entry to a single email address.")
			selectAll('emailFrom');
			return false;
		}
	}
	if($('emailTo')){
		if (stringContainsTags($('emailTo').value)){
			alert("The to email address contains restricted characters, please limit your entry to a single email address.")
			selectAll('emailTo');
			return false;
		}
	}
	if($('yourName')){
		if (stringContainsTags($('yourName').value)){
			alert("Your name contains restricted characters, please limit your entry to plain text (no html tags).")
			selectAll('yourName');
			return false;
		}
		if ($('yourname').value=='' || $('yourname').value=='Enter your name'){
			alert("Please enter your name.")
			selectAll('yourName');
			return false;
		}
	}
	if($('yourEmail')){
		if (stringContainsTags($('yourEmail').value)){
			alert("Your email address contains restricted characters, please limit your entry to a single email address.")
			selectAll('yourEmail');
			return false;
		}
		if ($('yourEmail').value=='' || $('yourEmail').value=='Enter your email address'){
			alert("Please enter your email address.")
			selectAll('yourEmail');
			return false;
		}
	}
	if (stringContainsTags($('emailSubject').value)){
		alert("The email subject contains restricted characters, please limit your entry to plain text (no html tags).")
		selectAll('emailSubject');
		return false;
	}
	if (stringContainsTags($('emailBody').value)){
		alert("The email message contains restricted characters, please limit your entry to plain text (no html tags).")
		selectAll('emailBody');
		return false;
	}
	if ($('emailFrom')){
		if(!validateEmail($('emailFrom').value,'from')){
			selectAll('emailFrom');
			return false;
		}
	}
	if ($('emailTo')){
		if(!validateEmail($('emailTo').value,'to')){
			selectAll('emailTo');
			return false;
		}
	}
	return true;
}

function emailPostData(){
	var str = "";
	if($('emailFrom')){
		str += 'emailFrom' + "=" + encodeURI($('emailFrom').value) + "&";
	}
	if($('emailTo')){
		str += 'emailTo' + "=" + encodeURI($('emailTo').value) + "&";
	}
	if($('yourName')){
		str += 'yourName' + "=" + encodeURI($('yourName').value) + "&";
	}
	if($('yourEmail')){
		str += 'yourEmail' + "=" + encodeURI($('yourEmail').value) + "&";
	}
	str += 'emailSubject' + "=" + encodeURI($('emailSubject').value) + "&";
	str += 'emailBody' + "=" + encodeURI($('emailBody').value) + "&";
	str += 'emailType' + "=" + encodeURI($('emailType').value) + "&";
	str += 'emailData' + "=" + encodeURI($('emailData').value)
	return str;
}
function formPostData(frm){
	var str = "";
	for(var i = 0;i < frm.elements.length;i++){
		var els = frm.elements[i];
		str += els.name + "=" + encodeURI(els.value) + "&";
	}
	str = str.substr(0,(str.length - 1));
	return str;
}


function validateEmail(email,fromto) {
	if (email == "") {return true;}
	
	var posat = email.indexOf("@");
	var possp = email.indexOf(" ");
	var poscm = email.indexOf(",");
	var ename = email.slice(0,posat);
	var edomain = email.slice(posat+1)
	if (posat == -1) {
		if (fromto == "from") {
			alert("A valid email address must contain an '@' sign\nPlease re-enter the ''From'' email address")
			return false
		} else if (fromto == "to") {
			alert("A valid email address must contain an '@' sign\nPlease re-enter the ''To'' email address")
			return false
		} else {
			alert("A valid email address must contain an '@' sign.")
			return false
		}
	} else if (possp > -1) {
		if (fromto == "from") {
			alert("A valid email address cannot contain a space\nPlease re-enter the ''From'' email address")
			return false
		} else if (fromto == "to") {
			alert("A valid email address cannot contain a space\nPlease re-enter the ''To'' email address")
			return false
		} else {
			alert("A valid email address cannot contain a space.")
			return false
		}
	} else if (poscm > -1) {
		if (fromto == "from") {
			alert("A valid email address cannot contain a comma\nPlease re-enter the ''From'' email address")
			return false
		} else if (fromto == "to") {
			alert("A valid email address cannot contain a comma\nPlease re-enter the ''To'' email address")
			return false
		} else {
			alert("A valid email address cannot contain a comma.")
			return false
		}
	} else if (email.slice(0,posat) == "") {
		if (fromto == "from") {
			alert("A valid email address must contain a name before the '@' sign\nPlease re-enter the ''From'' email address")
			return false
		} else if (fromto == "to") {
			alert("A valid email address must contain a name before the '@' sign\nPlease re-enter the ''To'' email address")
			return false
		} else {
			alert("A valid email address must contain a name before the '@' sign.")
			return false
		}
	} else if (email.slice(posat+1) == "") {
		if (fromto == "from") {
			alert("A valid email address must contain a domain name after the '@' sign\nPlease re-enter the ''From'' email address")
			return false
		} else if (fromto == "to") {
			alert("A valid email address must contain a domain name after the '@' sign\nPlease re-enter the ''To'' email address")
			return false
		} else {
			alert("A valid email address must contain a domain name after the '@' sign.")
			return false
		}
	}
	return true
}

//4) Availability: highlighting, synching and validation.
var mCurStopMessage;
var defRentMessage='Select your holiday dates to reserve or check the price.';

function resDatesChange(){
	if (document.getElementById('tblAvail')){
		clearHighlight();
	}

	var dfrom;
	var dto;
	if ($('hdnArrDate')){
		dfrom = new Date($('hdnArrDate').value);
		dto = new Date($('hdnDepDate').value);
	} else {
		var fromday = $('CtlAvailability1_lstFromDay').value;
		var frommon = $('CtlAvailability1_lstFromMonth').value;
		var today = $('CtlAvailability1_lsttoDay').value;
		var tomon = $('CtlAvailability1_lstToMonth').value;		

		var myDays = ["Sunday","Monday","Tuesday","Wednesday","Thursday","Friday","Saturday","Sunday"];
		if (fromday != "0" && frommon != "0"){
			dfrom = new Date($('CtlAvailability1_hdnYear').value,(frommon-1),fromday);
			$('dayArrive').innerHTML=myDays[dfrom.getDay()];
		}
		if (today != "0" && tomon != "0"){
			dto = new Date($('CtlAvailability1_hdnYear').value,(tomon-1),(today));
			$('dayDepart').innerHTML=myDays[dto.getDay()];
		}
		
		if (fromday == "0" || frommon == "0" || today == "0" || tomon == "0"){
			return;
		}
	
		var varString = escape(dfrom.getDate() + '/' + (dfrom.getMonth()+1) + '/' + dfrom.getFullYear() + ',' + dto.getDate() + '/' + (dto.getMonth()+1) + '/' + dto.getFullYear());
		//netscape doesnt like non existant bookmarking!
		//document.getElementById('lnkState').name=varString;
		//document.location.hash=varString;
		$('divRent').innerHTML='Checking Dates...';
		$('divWarn').innerHTML='';
		$('divWarn').style.display='none';
		
		var url = "/ajax_RentCalc.aspx";
		var method="GET";
		var queryString='?c=' + document.getElementById('CtlAvailability1_hdnCdrn').value + '&h=' + varString
		var ajax = xmlHttpRequestObject();
		ajax.onreadystatechange=function(){
			if(ajax.readyState==4){
				resDatesChange_OnResponse(ajax.responseXML);
			}
		}
		ajax.open(method, url+queryString, true);
		ajax.setRequestHeader("Connection", "close");
		ajax.send(null);
	}
	
	if (document.getElementById('tblAvail') && dfrom){
		highlightCells(dfrom,dto);
	}
}
function availCalendar_mouseOut(){
	clearHvr();
}

function highlightCells(dfrom,dto,lite){
	var d=new Date(dfrom.getFullYear(),dfrom.getMonth(),dfrom.getDate());
	if (!dto){
		dto=dfrom;
	}
	while (d <= dto){
		s = 'd' + d.getDate() + '-' + (d.getMonth()+1) + '-' + d.getFullYear();
		if ($(s)){
			var firstCell=(d.getDate()==dfrom.getDate() && d.getMonth()==dfrom.getMonth());
			var lastCell=(d.getDate()==dto.getDate() && d.getMonth()==dto.getMonth());
			if(lite){
				addHvr($(s),firstCell,lastCell);
			}else{
				addSel($(s),firstCell,lastCell);
			}
		}
		d.setDate(d.getDate()+1);
	}
}

var hvrCells=[];
var selCells=[];

function addHvr(cell,first,last){
	var classType='hvr';
	var newClassName;
	if (first){ //first selected cell, need a transition gif.
		newClassName = cell.className.substring(0,3) + '-' + classType;
	}else if (last){ //last selected cell, need a transition gif.
		newClassName= classType + '-' + cell.className.substring(cell.className.length-3,cell.className.length)
	} else{
		newClassName=classType;
	}				
	
	cell.noHvrClassName = cell.className;
	cell.className = newClassName;
	hvrCells[hvrCells.length]=cell;
}

function clearHvr(){
	for(i=0;i<hvrCells.length;i++){
		if(hvrCells[i]){
			hvrCells[i].className=hvrCells[i].noHvrClassName;
			hvrCells[i].noHvrClassName=null;
		}
	}
	hvrCells=[];
}
function addSel(cell,first,last){
	var classType='sel';
	var newClassName;
	if (first){ //first selected cell, need a transition gif.
		newClassName = cell.className.substring(0,3) + '-' + classType;
	}else if (last){ //last selected cell, need a transition gif.
		newClassName= classType + '-' + cell.className.substring(cell.className.length-3,cell.className.length)
	} else{
		newClassName=classType;
	}				
	
	cell.noSelClassName = cell.className;
	cell.className = newClassName;
	selCells[selCells.length]=cell;
}

function clearSel(){
	for(i=0;i<selCells.length;i++){
		if(selCells[i]){
			selCells[i].className=selCells[i].noSelClassName;
			selCells[i].noSelClassName=null;
		}
	}
	selCells=[];
}


function clearHighlight(){
	if ($('hdnArrDate')){
	}else{
		$('divRent').innerHTML=defRentMessage;
		$('divWarn').innerHTML='';
		$('divWarn').style.display='none';
		$('dayArrive').innerHTML='';
		$('dayDepart').innerHTML='';
	}
	
	if ($('tblAvail')){
		clearHvr();
		clearSel();
	}
}

function resDatesChange_OnResponse(responseXML) {
	var result = responseXML.getElementsByTagName('Result').item(0);
    if (result){
		//if mCurStopMessage is not null the user will receive the message 'mCurStopMessage' when they click the reserve button.
		if (result.getAttribute("CanReserve")){
			mCurStopMessage=null;
		}else{
			mCurStopMessage=result.getAttribute("WarningMessage") + '.';
		}
			
		var strHTML='';
		if (result.getAttribute("ShowRent")){
			var holidayDesc = result.getAttribute("HolidayDesc");
			var strHRBCost=result.getAttribute("HRBCost");
			var strLRBCost=result.getAttribute("LRBCost");
		
			strHTML='Rent for this ' + holidayDesc + ' &pound;' + strHRBCost + '.';
			
			if(strLRBCost){
				var strMaxAdultsAtLRB = result.getAttribute("LRBMaxAdults");
				if(strMaxAdultsAtLRB){
					var strMaxBabiesAtLRB = result.getAttribute("LRBMaxBabies");
					strHTML=strHTML + '<br/>' + 'Reduced to &pound;' + strLRBCost + ' for parties of ' + strMaxAdultsAtLRB;
					if(strMaxBabiesAtLRB==0){
					}else{
						if (strMaxBabiesAtLRB==1){
							strHTML=strHTML + ' + cot'
						}else{
							strHTML=strHTML + ' + ' + strMaxBabiesAtLRB + ' cots'
						}
					}
					strHTML=strHTML + ' or less.'
				}else{
					strHTML='Rent for this ' + holidayDesc + ' &pound;' + strLRBCost + '.';
				}
			}
		}
		
		document.getElementById('divRent').innerHTML=strHTML;
		
		var warningMessage = result.getAttribute("WarningMessage");
		if (warningMessage){
			$('divWarn').innerHTML=warningMessage + '.';
			$('divWarn').style.display='block';
			if (result.getAttribute("CanReserve")){
				$('divWarn').innerHTML+=' You can reserve these dates but we will check with the Owner before confirming whether they can take your booking.'
			}
		}else{
			$('divWarn').innerHTML='';
		}
		if (result.getAttribute("ShortBreak")){
			$('divWarn').innerHTML += '<br/>' + '<a href="javascript:popInfo3(\'/popups/shortbreaks.aspx\',550,650)">Information on Short Breaks &gt;</a>'
		}
		
		if (!document.getElementById('tblAvail')){
			if (result.getAttribute("CheckAvailability")){
				$('divWarn').innerHTML += '<br/>' + '<a href="javascript:__doPostBack(\'checkAvail\',\'\');">Check Availability &gt;</a>'
			}
		}
	}
}

function setAvailFromDate(day,mon) 
{
	if (mon>12) {
		alert("Please select an arrival date in the current year.");
	} else {
		document.forms[0].CtlAvailability1_lstFromDay.options[day].selected = true;
		document.forms[0].CtlAvailability1_lstFromMonth.options[mon].selected = true;
	}
}

function setAvailToDate(day,mon) 
{
	document.forms[0].CtlAvailability1_lsttoDay.options[day].selected = true;
	document.forms[0].CtlAvailability1_lstToMonth.options[mon].selected = true;
}

function optionDate(day,mon) 
	{
		if (document.forms[0].CtlAvailability1_lsttoDay) 
			{
				var fromday = document.forms[0].CtlAvailability1_lstFromDay.value;
				var frommon = document.forms[0].CtlAvailability1_lstFromMonth.value;
				var today = document.forms[0].CtlAvailability1_lsttoDay.value;
				var tomon = document.forms[0].CtlAvailability1_lstToMonth.value;
				if (fromday == "0" || frommon == "0") 
					{
						setAvailFromDate(day,mon)
					} else if (today == "0" || tomon == "0") {
						setAvailToDate(day,mon)
					} else {
						if (confirm("Are you sure you want to clear both dates and start again?") == true) {
							document.forms[0].CtlAvailability1_lstFromDay.options[0].selected = true;
							document.forms[0].CtlAvailability1_lstFromMonth.options[0].selected = true;
							document.forms[0].CtlAvailability1_lsttoDay.options[0].selected = true;
							document.forms[0].CtlAvailability1_lstToMonth.options[0].selected = true;
						}
				}	
				resDatesChange();
			}
	}

function hoverDate(day,mon){
	if (document.forms[0].CtlAvailability1_lsttoDay && document.getElementById('tblAvail')){
		
		var fromday = $('CtlAvailability1_lstFromDay').value;
		var frommon = $('CtlAvailability1_lstFromMonth').value;
		var today = document.forms[0].CtlAvailability1_lsttoDay.value;
		var tomon = document.forms[0].CtlAvailability1_lstToMonth.value;
		var firstMon =parseInt($('CtlAvailability1_lstToMonth').options[1].value);
		
		if (fromday=="0" && frommon=="0" &&today=="0" && tomon=="0"){
			var dfrom = new Date($('CtlAvailability1_hdnYear').value,(parseInt(mon)+firstMon-2),day);
			var dto=dfrom;
			clearHvr();
			highlightCells(dfrom,dto,true);
		}else if (fromday != "0" && frommon != "0" && today == "0" && tomon == "0"){
			var dfrom = new Date($('CtlAvailability1_hdnYear').value,(frommon-1),fromday);
			today = day;
			tomon = parseInt(mon) + firstMon - 1;	
			var dto = new Date($('CtlAvailability1_hdnYear').value,(tomon-1),(today));
			clearHvr();
			highlightCells(dfrom,dto,true);
		}
	}
}

function validateAvail()
	{
	if (mCurStopMessage){
		alert(mCurStopMessage + '\n\nIf you require any assistance you can contact our Booking Office as follows:\nTelephone: 01326 555555\nEmail: enquiries@classic.co.uk');
		return false;
	}else{
		
		if (document.forms[0].CtlAvailability1_lstFromDay.value == "0" || document.forms[0].CtlAvailability1_lstFromMonth.value == "0")
			{
				alert("Please complete the arrival date.");
				return false;
			}
		if (document.forms[0].CtlAvailability1_lsttoDay.value == "0" || document.forms[0].CtlAvailability1_lstToMonth.value == "0")
			{
				alert("Please complete the departure date.");
				return false;
			}
		var fromday = document.forms[0].CtlAvailability1_lstFromDay.value;
		var frommon = document.forms[0].CtlAvailability1_lstFromMonth.value;
		var today = document.forms[0].CtlAvailability1_lsttoDay.value;
		var tomon = document.forms[0].CtlAvailability1_lstToMonth.value;
		var dfrom = new Date(document.getElementById('CtlAvailability1_hdnYear').value,(frommon-1),fromday);
		var dto = new Date(document.getElementById('CtlAvailability1_hdnYear').value,(tomon-1),today);
		var lhol = parseInt((dto-dfrom)/(24*60*60*1000))
		if (lhol == 0)
			{
				alert("The arrival date can not be the same as the departure date.");
				return false;
			} else if (lhol < 0) {
				alert("The departure date must be after the arrival date.");
				return false;
			} else if (lhol > 28) {
				alert("The maximum length of a holiday is 28 days (4 weeks).");
				return false;
			}
		return true;
		}
	}
function resetAvail() {
	$('divRent').innerHTML=defRentMessage;
	$('divWarn').innerHTML='';
	$('divWarn').style.display='none';
	document.forms[0].CtlAvailability1_lstFromDay.options[0].selected = true;
	document.forms[0].CtlAvailability1_lstFromMonth.options[0].selected = true;
	document.forms[0].CtlAvailability1_lsttoDay.options[0].selected = true;
	document.forms[0].CtlAvailability1_lstToMonth.options[0].selected = true;
	resDatesChange();
	return false;
}


function showWait(){
	document.getElementById('divHide').style.display='block';
	setTimeout('document.images["pbar"].src = "/media/progbar.gif"', 500);
}

function dispCardHolder(){
	if (document.forms['frmBalance'].rdoCardHolder){
		var rdoState;
		for (var i=0;i<document.forms['frmBalance'].rdoCardHolder.length;i++)
			{
				if (document.forms['frmBalance'].rdoCardHolder[i].checked)
				{
					rdoState = document.forms[0].rdoCardHolder[i].value;
				}
			}
		if(rdoState==1){
			document.getElementById('altCardHolder').style.display='block';
		}else{
			document.getElementById('altCardHolder').style.display='none';
		}
	}
}

function setCard(strCType){
	var ddl = document.getElementById('ddlCardType');
	var len = ddl.length -1;
	var selIndex=-1;
	var i;
	for(i=0; i <= len; i++)
		{
		if (ddl.options[i].value == strCType)
			{
				selIndex = i;
			}
		}
	ddl.selectedIndex = selIndex;
					
	dispSurcharge();
}

function dispSurcharge(){
	var strCType=document.getElementById('ddlCardType').value;
	var lblShowSurcharge;
	var fltAmountDue;
	var lblShowTotal;
	if (document.getElementById('lblSurcharge')){
		lblShowSurcharge=document.getElementById('lblSurcharge');
		fltAmountDue=parseFloat(document.getElementById('lblBalDue').innerHTML);
		lblShowTotal=$('lblTotal');
	}else{
		if (document.getElementById('lblDepSurcharge')){
			lblShowSurcharge=document.getElementById('lblDepSurcharge');
			fltAmountDue=parseFloat(document.getElementById('lblDepToPay').innerHTML);
			lblShowTotal=$('lblDepTotal');
		}
	}
	lblShowTotal2=$('lblTotalToCharge');
	
	if ((strCType=='MC' || strCType=='VC') && fltAmountDue>50){
		if (lblShowSurcharge && lblShowTotal){
			lblShowSurcharge.innerHTML=(fltAmountDue*0.01).toFixed(2);
			lblShowTotal.innerHTML=(fltAmountDue*1.01).toFixed(2);
			lblShowTotal2.innerHTML='&pound;' + (fltAmountDue*1.01).toFixed(2);
		}
	}else{
		if (lblShowSurcharge){
			lblShowSurcharge.innerHTML='0.00';
			lblShowTotal.innerHTML=fltAmountDue.toFixed(2);
			lblShowTotal2.innerHTML='&pound;' + fltAmountDue.toFixed(2);
		}
	}

	if (strCType=='MO'){
		$('maestroOnly').style.display='block';
	} else {
		$('maestroOnly').style.display='none';
	}
}

function val(){
	if (document.forms[0].ddlCardType.selectedIndex==0){
		alert('You must select your Card Type.');
		document.forms[0].ddlCardType.focus();
		return false;
	}
	if (document.forms[0].txtCardNo.value==''){
		alert('You must complete your Card Number.');
		document.forms[0].txtCardNo.focus();
		return false;
	}
	if (document.forms[0].ddlExpMonth.selectedIndex==0 || document.forms[0].ddlExpYear.selectedIndex==0){
		alert('You must complete the Card Expiry Date.');
		document.forms[0].ddlExpMonth.focus();
		return false;
	}
	if ((document.forms[0].ddlFromMonth.selectedIndex==0 || document.forms[0].ddlFromYear.selectedIndex==0) && (document.forms[0].txtIssueNo.value=='')){
		
		alert('You must complete either the Issue Number or Card Valid From Date.');
		document.forms[0].ddlExpMonth.focus();
		return false;
	}
	if (document.forms[0].txtSecurityCode.value==''){
		alert('You must complete your Security Code.');
		document.forms[0].txtSecurityCode.focus();
		return false;
	}
	return true;
}




//5) Form Level validation  
function validateBroReq(){
	if (validatePerson() != true){
		return false;
	}
	if (validateContacts() != true){
		return false;
	}
	return true;
}
  
function validateResStage1(){
	if (validatePerson() != true){
			return false;
	}
	if (validateContacts() != true){
		return false;
	}
	return true;
}

function validateResStage2(){
	
	/*Show the wait screen whilst the reservation request is processed server side.*/
	sm('procBox',450,275);
	setTimeout('document.images["pbar"].src = "/media/progresscircle.gif"', 300);
	return true;
}

function validateBookStage1()
	{
		if (validatePerson() != true)
			{
				return false;
			}
		if (atleastoneContacts() != true)
		{
			alert("Please provide at least one email address or telephone number on which we may contact you.");
			return false;
		}
		if (allPartyMembers() != true)
		{
			return false;
		}
		return true;	
	}

function validateBookStage2(){
	if  (validateCard() != true){
		return false;
	}
	if (document.forms[0].CtlDeclaration1_chkBookCond.checked == false){
		alert("Please note that you must check the booking condtions\ndeclaration box before we can accept an option");
		return false;
	}	
	return true;
}

function validateBalance(){
	if  (validateCard() != true){
		return false;
	}
	return true;
}

function validateFeedback(){
	if (document.forms[0].CtlFeedback1_txtName.value.length == 0){
		alert("Please complete your name");
		return false;
	}
	if (document.forms[0].CtlFeedback1_txtEmail.value.length == 0){
		alert("Please complete your email address");
		return false;
	}
}
	
function validateSendMail(){
	if (document.forms[0].txtFromAddr.value.length == 0){
		alert('Please complete your email address.');
		return false;
	}
	if (document.forms[0].txtToAddr.value.length == 0){
		alert('Please complete the recipients email address.');
		return false;
	}	
	if (validateEmail(document.forms[0].txtFromAddr.value,'from') != true){
		return false;
	}
	if (validateEmail(document.forms[0].txtToAddr.value,'to') != true){
		return false;
	}
	return true;
}

function validateAdvRes(){
	if (validatePerson() != true){
		return false;
	}
	if (validateContacts() != true)
	{
		return false;
	}
	if (document.forms[0].lstFromDay.value == 0 || document.forms[0].lstFromMonth.value ==0){
		alert("Please complete your intended arrival date.");
		return false;
	}
	if (document.forms[0].lsttoDay.value == 0 || document.forms[0].lsttoMonth.value ==0){
		alert("Please complete you intended departure date.");
		return false;
	}	
	return true;
}
function validateLogin(){
	if (document.forms[0].Login1_txtTRN.value == "")
		{
			alert("Please enter your personal reference number");
			document.forms[0].Login1_txtTRN.focus();
			return false;
		}
	if (document.forms[0].Login1_txtBRN.value == "")
		{
			alert("Please enter your booking reference number");
			document.forms[0].Login1_txtBRN.focus();
			return false;
		}
	if (isInteger(document.forms[0].Login1_txtTRN.value) != true)
		{
			alert("Your personal reference number must be numeric.");
			document.forms[0].Login1_txtTRN.focus();
			return false;
		}
	if (isInteger(document.forms[0].Login1_txtBRN.value) != true)
		{
			alert("Your booking reference number must be numeric.");
			document.forms[0].Login1_txtBRN.focus();
			return false;
		}
	return true;
}
	
//6) Fieldset level Validation
function allPartyMembers(){
	for (var i = 0; i<=16; i++){
        if (document.getElementById('PartyMembers1_txtNameA' + i)){
			if (document.getElementById('PartyMembers1_txtNameA' + i).value ==''){
				alert("Please complete the details of the other members in your party, you can enter 'TBC' if you do not yet know who is accompanying you.");
				return false;
			}
		}
        if (document.getElementById('PartyMembers1_txtNameB' + i)){
			if (document.getElementById('PartyMembers1_txtNameB' + i).value==''){
				alert("Please provide the name of all babies in your party, you can enter 'TBC' if you are not yet sure!");
				return false;
			} else {
				if (document.getElementById('PartyMembers1_txtAgeB' + i).value==''){
					alert("Please provide the age (in months) of all babies in your party, you can enter 'TBC' if you are not yet sure!");
					return false;
				}
			}
		}
	}
	return true;
}
function validateCard(){
	if (document.forms[0].CardDetails1_ddlCardType.value == "Please Select")
		{
			alert("Please select your card type");
			return false;
		}
	if (document.forms[0].CardDetails1_txtCardNo.value == "")
		{
			alert("Pleae enter your card number");
			return false;
		}
	if (document.forms[0].CardDetails1_ddlExpMonth.value == "--" || document.forms[0].CardDetails1_ddlExpYear.value == "--")
		{
			alert("Please complete the expiry date");
			return false;
		}
	if (document.forms[0].CardDetails1_ddlFromMonth.value == "--" && document.forms[0].CardDetails1_ddlFromYear.value != "--")
		{
			alert("Valid From Date incorrectly completed");
			return false;
		}
	if (document.forms[0].CardDetails1_ddlFromMonth.value != "--" && document.forms[0].CardDetails1_ddlFromYear.value == "--")
		{
			alert("Valid From Date incorrectly completed");
			return false;
		}
	if (document.forms[0].CardDetails1_ddlFromMonth.value == "--" && document.forms[0].CardDetails1_ddlFromYear.value == "--" && document.forms[0].CardDetails1_txtIssueNo.value == "")
		{
			alert("Please provide either the valid from date or an issue number");
			return false;
		}
	return true;
}
function validatePerson(){
	if (document.forms[0].PersonDetails1_txtTitle.value == "")
		{
			alert("Please enter your title");
			document.forms[0].PersonDetails1_txtTitle.focus();
			return false;
		}
	if (document.forms[0].PersonDetails1_txtInitials.value == "")
		{
			alert("Please enter your initials");
			document.forms[0].PersonDetails1_txtInitials.focus();
			return false;
		}
	if (document.forms[0].PersonDetails1_txtSurname.value == "")
		{
			alert("Please enter your surname");
			document.forms[0].PersonDetails1_txtSurname.focus();
			return false;
		}
	if (document.forms[0].PersonDetails1_txtAdd1.value == "")
		{
			alert("Please enter the first line of your address");
			document.forms[0].PersonDetails1_txtAdd1.focus();
			return false;
		}
	if (document.forms[0].PersonDetails1_txtPostCode.value == "")
		{
			alert("Please enter your Postcode or ZIP");
			document.forms[0].PersonDetails1_txtPostCode.focus();
			return false;
		}
	return true;
}
function validateContacts(){
	if (($('PersonDetails1_txtEMail').value == "")
		&& ($('PersonDetails1_txtHomeTel').value == "")
		&& ($('PersonDetails1_txtWorkTel').value == "")
		&& ($('PersonDetails1_txtMobile').value == "")){
		alert("Please provide at least one email address or telephone number on which we may contact you.");
		return false;
	}
	if (validateEmail($('PersonDetails1_txtEMail').value) == false){
		selectAll('PersonDetails1_txtEMail');
		return false
	}
	return true;
}