// JavaScript Document


//function to preload the AJAX loader image
function preloader(){
	ajaxLoader = new Image(); 
	ajaxLoader.src = "http://www.alfrescoemporium.com.au/images/general/ajax-loader.gif";
}


function openWindowSizeable(file,w,h,x,y){
	window.open(file,'newWin','scrollbars=1,status=0,width=' + w + ',height=' + h + ',left=' + x + ',top=' + y + '');
}

function openWindowNoResize(file,w,h,x,y){
	window.open(file,'newWin','scrollbars=0,status=0,width=' + w + ',height=' + h + ',left=' + x + ',top=' + y + '');
}

function clearInput(item) {
  if (item.defaultValue==item.value) item.value = ""
}


function createCookie(c_name,value,expiredays)
{
	var exdate=new Date();
	exdate.setDate(exdate.getDate()+expiredays);
	document.cookie=c_name+ "=" +escape(value)+
	((expiredays==null) ? "" : ";expires="+exdate.toGMTString());
}


function readCookie(name) {
	var nameEQ = name + "=";
	var ca = document.cookie.split(';');
	for(var i=0;i < ca.length;i++) {
		var c = ca[i];
		while (c.charAt(0)==' ') c = c.substring(1,c.length);
		if (c.indexOf(nameEQ) == 0) return c.substring(nameEQ.length,c.length);
	}
	return null;
}


function eraseCookie(name) {
	createCookie(name,"",-1);
}


function msgSent(msg){
	if (msg == 1){
		alert ('Thank you for your enquiry!\nYou will receive a response by email shortly.');
	}else if (msg == 2){
		alert ('Sorry, there are errors with your form.\n\nPlease provide:\n - valid Email Address');
	}else if (msg == 3){
		alert ('Sorry, there are errors with your form.\n\nPlease provide:\n - Tile Number and/or Tile Name');
	}else if (msg == 4){
		alert ('Sorry, there are errors with your form.\n\nPlease provide:\n - valid Email Address\n - Tile Number and/or Tile Name');
	}
}


//function to swap product images
function loadImage2(image2){
	aryImages[1] = image2;

	for (i=0; i < aryImages.length; i++){
	  var preload = new Image();
	  preload.src = aryImages[i];
	}
}

function loadImage3(image3){
	aryImages[2] = image3;

	for (i=0; i < aryImages.length; i++){
	  var preload = new Image();
	  preload.src = aryImages[i];
	}
}

function loadImage4(image4){
	aryImages[3] = image4;

	for (i=0; i < aryImages.length; i++){
	  var preload = new Image();
	  preload.src = aryImages[i];
	}
}

function loadImage5(image5){
	aryImages[4] = image5;

	for (i=0; i < aryImages.length; i++){
	  var preload = new Image();
	  preload.src = aryImages[i];
	}
}

function loadImage6(image6){
	aryImages[5] = image6;

	for (i=0; i < aryImages.length; i++){
	  var preload = new Image();
	  preload.src = aryImages[i];
	}
}

//function to swap images on mouse click events

function swap(imgIndex){
  document['imgMain'].src = aryImages[imgIndex];
}


//function to change the background colours on mouse over events

function ChangeBG(obj,status)
{
	if(status=="on")
	{
		obj.bgColor='#F1EFEB';
	}
	else if(status=="off")
	{
		obj.bgColor='#FFFFFF';
	}
	return true;
}


//function to show the postcode input text field depending on the country selected
//web page: cartMyBasket.asp

function showPostcode(country,basketTotal,url){

	document.getElementById('orderTotal').innerHTML = '&nbsp;$' + basketTotal.toFixed(2) + '&nbsp;&nbsp;inc GST';

	if(country.value=="AUSTRALIA"){
		createCookie('country','AUSTRALIA',30);
		showPostcodeAustralia(basketTotal,url);
	}
	else if(country.value==""){
		createCookie('country','',30);
		showPostcodeBlank();
	}
	else{
		createCookie('country',country.value,30);
		showPostcodeInternational(country.value);
	}
}


function checkPostageCookie(country,basketTotal,url){

	if(country=="AUSTRALIA"){
		showPostcodeAustralia(basketTotal,url);
	}
	else if(country==""){
		showPostcodeBlank();
	}
	else{
		showPostcodeInternational(country);
	}
}


function showPostcodeAustralia(basketTotal,url){

	document.getElementById('AUSTRALIA').selected = true;
	document.getElementById('deliveryPcode').style.display = 'inline';
	document.getElementById('postcode').style.backgroundColor = '#ffffff';
	document.getElementById('postcode').style.borderColor = '#cccccc';
	document.getElementById('deliveryTotal').style.display = 'inline';
	document.getElementById('deliveryMessage').style.display = 'none';
	document.getElementById('postcode').value = "";
	document.getElementById('deliveryTitle').innerHTML = '';
	document.getElementById('deliveryAmount').innerHTML = '';

	var pc = readCookie('postcode');
	if(pc != null && pc != ""){
		document.getElementById('postcode').value = pc;
		calculatePostage(basketTotal,url);
	}
}


function showPostcodeBlank(){

	document.getElementById('none').selected = true;
	document.getElementById('deliveryPcode').style.display = 'none';
	document.getElementById('deliveryTotal').style.display = 'none';
	document.getElementById('deliveryMessage').style.display = 'none';
}


function showPostcodeInternational(country){

	var deliveryMsg = 'Please note we do not calculate international delivery charges at the time of purchase<br><a href=# onClick=openWindowSizeable("scripts/viewDeliveryInfo.asp#overseas",600,470,100,100) class=boldSmall>read more</a>';
	
	document.getElementById(country).selected = true;
	document.getElementById('deliveryPcode').style.display = 'none';
	document.getElementById('deliveryTotal').style.display = 'none';
	document.getElementById('deliveryMessage').style.display = 'inline';
	document.getElementById('message').style.padding = '0px 6px 0px 6px';
	document.getElementById('message').innerHTML = deliveryMsg;
}


//function to validate a postcode and give a postage quote in the Postage Calculator
//web page: cartMyBasket.asp

function calculatePostage(basketTotal,url){

	var pc = document.getElementById('postcode');
	createCookie('postcode',pc.value,30);
	
	if(pc.value==""){
	
		setHtmlElementsError(basketTotal);		
		displayDeliveryMessage('Please provide your postcode');
		
	}
	else if(IsNumeric(pc.value)==false || pc.value.length<3){
			
		setHtmlElementsError(basketTotal);
		displayDeliveryMessage('Please enter a valid postcode');
			
	}
	else{
		
		var XMLHttpRequestObject = false; 

		try { 
			XMLHttpRequestObject = new ActiveXObject("MSXML2.XMLHTTP"); //IE8
		} catch (exception1) { 
			try { 
				XMLHttpRequestObject = new ActiveXObject("Microsoft.XMLHTTP"); //IE5+
			} catch (exception2) { 
			  XMLHttpRequestObject = false; 
			} 
		} 

		if (!XMLHttpRequestObject && window.XMLHttpRequest) { 
		  XMLHttpRequestObject = new XMLHttpRequest(); //Mozilla, FireFox
		} 
				
		if(XMLHttpRequestObject) {
			XMLHttpRequestObject.open("GET", url+"scripts/postcodeChecker.asp?pc=" + pc.value, true); 
			var XMLHttpRequestObjectTimeout = setTimeout("ajaxTimeout()",10000);

			XMLHttpRequestObject.onreadystatechange = function() 
			{ 
				if (XMLHttpRequestObject.readyState == 4 && XMLHttpRequestObject.status == 200) { 
					clearTimeout(XMLHttpRequestObjectTimeout);
					checkValidPostcode(XMLHttpRequestObject.responseText, basketTotal, url, pc.value);
				}
				else{
					document.getElementById('deliveryAmount').innerHTML = '<img src=http://www.alfrescoemporium.com.au/images/general/ajax-loader.gif width=25 height=25 hspace=3>';
				}
			} 
			XMLHttpRequestObject.send(null); 
			
			function ajaxTimeout(){
			   XMLHttpRequestObject.abort();
			   alert("AJAX request timed out");
					 
			   // Note that at this point you could try to send a notification to the
			   // server that things failed, using the same xhr object.
			}
		}
	}
}


//function to check the http response that checks the validity of a postcode in script 'postcodeChecker.asp'
//called by function calculatePostage()

function checkValidPostcode(httpResponse, basketTotal, url, pc){

	if(httpResponse == "true"){
		document.getElementById('deliveryTitle').innerHTML = 'Delivery:';
		getPostage(basketTotal, url, pc);
	}
	else{
		setHtmlElementsError(basketTotal);
		displayDeliveryMessage('Please enter a valid postcode');
	}
}


//function to create an AJAX request and get a delivery price
//called by function calculatePostage()

function getPostage(basketTotal, url, pc){

	var XMLHttpRequestObject = false; 

	try { 
		XMLHttpRequestObject = new ActiveXObject("MSXML2.XMLHTTP"); //IE8
	} catch (exception1) { 
		try { 
			XMLHttpRequestObject = new ActiveXObject("Microsoft.XMLHTTP"); //IE6+
		} catch (exception2) { 
			XMLHttpRequestObject = false; 
		} 
	} 

	if (!XMLHttpRequestObject && window.XMLHttpRequest) { 
	  XMLHttpRequestObject = new XMLHttpRequest(); //Mozilla, Firefox
	} 
		
	if(XMLHttpRequestObject) {
	
		XMLHttpRequestObject.open("GET", url+"scripts/postCalculator.asp?pc="+pc, true); 
		var XMLHttpRequestObjectTimeout = setTimeout("ajaxTimeout()",10000);
		document.getElementById('orderTotal').innerHTML = '&nbsp;$' + basketTotal.toFixed(2) + '&nbsp;&nbsp;inc GST';

		XMLHttpRequestObject.onreadystatechange = function() 
		{ 
		if (XMLHttpRequestObject.readyState == 4 && XMLHttpRequestObject.status == 200) { 
			clearTimeout(XMLHttpRequestObjectTimeout);
			displayDeliveryTotal(XMLHttpRequestObject.responseText,basketTotal);
		}
		else{
			document.getElementById('deliveryAmount').innerHTML = '<img src=http://www.alfrescoemporium.com.au/images/general/ajax-loader.gif width=25 height=25 hspace=3>';
			}
		} 
		
		XMLHttpRequestObject.send(null); 
		
		function ajaxTimeout(){
		   XMLHttpRequestObject.abort();
		   alert("AJAX request timed out");
				 
		   // Note that at this point you could try to send a notification to the
		   // server that things failed, using the same xhr object.
		}
	}
}


//function to display result from XMLHttpRequest postage calculator in script 'cartMyBasket.asp'
//function called from above function 'getPostage'

function displayDeliveryTotal(httpResponse,basketTotal){

	document.getElementById('deliveryTotal').style.display = 'inline';
	document.getElementById('deliveryTitle').innerHTML = 'Delivery:';
	document.getElementById('deliveryMessage').style.display = 'none';
	document.getElementById('postcode').style.backgroundColor = '#ffffff';
	document.getElementById('postcode').style.borderColor = '#cccccc';
	document.getElementById('deliveryAmount').innerHTML = '&nbsp;$'+parseFloat(httpResponse).toFixed(2);
	document.getElementById('orderTotal').innerHTML = '&nbsp;$' + (basketTotal+parseFloat(httpResponse)).toFixed(2) + '&nbsp;&nbsp;inc GST';
}


//function to display HTML elements before an error message

function setHtmlElementsError(basketTotal){

	document.getElementById('deliveryTotal').style.display = 'none';
	document.getElementById('deliveryMessage').style.display = 'inline';
	document.getElementById('postcode').style.backgroundColor = '#fce1e1';
	document.getElementById('postcode').style.borderColor = '#FF0000';
	document.getElementById('orderTotal').innerHTML = '&nbsp;$' + basketTotal.toFixed(2) + '&nbsp;&nbsp;inc GST';
}


//function to display an error message in the Postage Calculator
//web page: cartMyBasket.asp

function displayDeliveryMessage(msg)
{
	document.getElementById('message').style.padding = '0px';
	document.getElementById('message').innerHTML = '<img src=http://www.alfrescoemporium.com.au/images/general/Exclamation-Mark.gif hspace=3 align=absmiddle>' + msg;
}


//function to check that an input text field only contains numbers

function IsNumeric(sText)
{
   var ValidChars = "0123456789";
   var IsNumber=true;
   var Char;

   for (i = 0; i < sText.length && IsNumber == true; i++) 
      { 
      Char = sText.charAt(i); 
      if (ValidChars.indexOf(Char) == -1) 
         {
         IsNumber = false;
         }
      }
   return IsNumber;
}


//function to prevent browser sending a submit request to server when pressing any keyboard key

function checkEnter(e){ //e is event object passed from function invocation
	var characterCode //literal character code will be stored in this variable

	if(e && e.which){ //if which property of event object is supported (NN4)
		e = e
		characterCode = e.which //character code is contained in NN4's which property
	}
	else{
		e = event
		characterCode = e.keyCode //character code is contained in IE's keyCode property
	}

	if(characterCode == 13){ //if character code is equal to ascii 13 (if enter key)
		return false //return false to the event handler
	}else{
		return true //return true to the event handler
	} 
}

//functions to present form input fields in Subscription page
function chkBoxEmail_OnClick(itemId)
{
	if (document.getElementById(itemId).checked==false)
	{
		if (document.getElementById("chkBoxCatalogue").checked==false)
		{
			document.getElementById("tdChkBoxEmail").style.border="1px solid #FF0000"
			document.getElementById("tdChkBoxCatalogue").style.border="1px solid #FF0000"
		}
	
		disableEmailAddress();
	}
	else
	{
		document.getElementById("tdChkBoxEmail").style.border="1px solid #FFFFFF"
		document.getElementById("tdChkBoxCatalogue").style.border="1px solid #FFFFFF"
		enableEmailAddress();
	}
}
	
	
function chkBoxCatalogue_OnClick(chkBoxId)
{
	if (document.getElementById(chkBoxId).checked==false)
	{
		if (document.getElementById("chkBoxEmail").checked==false)
		{
			document.getElementById("tdChkBoxEmail").style.border="1px solid #FF0000"
			document.getElementById("tdChkBoxCatalogue").style.border="1px solid #FF0000"
		}
		
		disableCatalogueAddress();
	}
	else
	{
		document.getElementById("tdChkBoxEmail").style.border="1px solid #FFFFFF"
		document.getElementById("tdChkBoxCatalogue").style.border="1px solid #FFFFFF"
		enableCatalogueAddress();
	}
}
	
	
function disableLabel(item)
{
	document.getElementById(item).style.color="#CCCCCC";
}


function enableLabel(item)
{
	document.getElementById(item).style.color="#333333";
}


function disableInput(item)
{
	document.getElementById(item).style.backgroundColor="#FFFFFF";
	document.getElementById(item).disabled=true;
	document.getElementById(item).style.color="#CCCCCC";
}


function enableInput(item)
{
	document.getElementById(item).style.backgroundColor="#FFCC66";
	document.getElementById(item).disabled=false;
	document.getElementById(item).style.color="#333333";
}


function disableCatalogueAddress()
{
	//street address 1
	disableLabel("lblStreetAddress");
	disableInput("txtStreetName1");
	
	//street address 2
	disableInput("txtStreetName2");

	//suburb
	disableLabel("lblSuburb");
	disableInput("txtSuburb");

	//postcode
	disableLabel("lblPostcode");
	disableInput("txtPostcode");

	//state
	disableLabel("lblState");
	disableInput("selectState");

	//country
	disableLabel("lblCountry");
	disableInput("txtCountry");
	
	disableLabel("lblAustDel");
}


function enableCatalogueAddress()
{
	//street address 1
	enableLabel("lblStreetAddress");
	enableInput("txtStreetName1");
	
	//street address 2
	enableInput("txtStreetName2");

	//suburb
	enableLabel("lblSuburb");
	enableInput("txtSuburb");

	//postcode
	enableLabel("lblPostcode");
	enableInput("txtPostcode");

	//state
	enableLabel("lblState");
	enableInput("selectState");
	document.getElementById("lblState").style.color="#333333";

	//country
	enableLabel("lblCountry");
	enableInput("txtCountry");
	
	enableLabel("lblAustDel");
}


function disableEmailAddress()
{
	disableLabel("lblEmailAddress");
	disableInput("txtEmail");
}


function enableEmailAddress()
{
	enableLabel("lblEmailAddress");
	enableInput("txtEmail");
}