/*!
 * jQuery JavaScript Library v1.4.2
 * http://jquery.com/
 *
 * Copyright 2010, John Resig
 * Dual licensed under the MIT or GPL Version 2 licenses.
 * http://jquery.org/license
 *
 * Includes Sizzle.js
 * http://sizzlejs.com/
 * Copyright 2010, The Dojo Foundation
 * Released under the MIT, BSD, and GPL Licenses.
 *
 * Date: Sat Feb 13 22:33:48 2010 -0500
 */
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a.insertBefore(b,a.firstChild);d=b.firstChild;f=d.firstChild;e=d.nextSibling.firstChild.firstChild;this.doesNotAddBorder=f.offsetTop!==5;this.doesAddBorderForTableAndCells=e.offsetTop===5;f.style.position="fixed";f.style.top="20px";this.supportsFixedPosition=f.offsetTop===20||f.offsetTop===15;f.style.position=f.style.top="";d.style.overflow="hidden";d.style.position="relative";this.subtractsBorderForOverflowNotVisible=f.offsetTop===-5;this.doesNotIncludeMarginInBodyOffset=a.offsetTop!==j;a.removeChild(b);
c.offset.initialize=c.noop},bodyOffset:function(a){var b=a.offsetTop,d=a.offsetLeft;c.offset.initialize();if(c.offset.doesNotIncludeMarginInBodyOffset){b+=parseFloat(c.curCSS(a,"marginTop",true))||0;d+=parseFloat(c.curCSS(a,"marginLeft",true))||0}return{top:b,left:d}},setOffset:function(a,b,d){if(/static/.test(c.curCSS(a,"position")))a.style.position="relative";var f=c(a),e=f.offset(),j=parseInt(c.curCSS(a,"top",true),10)||0,i=parseInt(c.curCSS(a,"left",true),10)||0;if(c.isFunction(b))b=b.call(a,
d,e);d={top:b.top-e.top+j,left:b.left-e.left+i};"using"in b?b.using.call(a,d):f.css(d)}};c.fn.extend({position:function(){if(!this[0])return null;var a=this[0],b=this.offsetParent(),d=this.offset(),f=/^body|html$/i.test(b[0].nodeName)?{top:0,left:0}:b.offset();d.top-=parseFloat(c.curCSS(a,"marginTop",true))||0;d.left-=parseFloat(c.curCSS(a,"marginLeft",true))||0;f.top+=parseFloat(c.curCSS(b[0],"borderTopWidth",true))||0;f.left+=parseFloat(c.curCSS(b[0],"borderLeftWidth",true))||0;return{top:d.top-
f.top,left:d.left-f.left}},offsetParent:function(){return this.map(function(){for(var a=this.offsetParent||s.body;a&&!/^body|html$/i.test(a.nodeName)&&c.css(a,"position")==="static";)a=a.offsetParent;return a})}});c.each(["Left","Top"],function(a,b){var d="scroll"+b;c.fn[d]=function(f){var e=this[0],j;if(!e)return null;if(f!==w)return this.each(function(){if(j=wa(this))j.scrollTo(!a?f:c(j).scrollLeft(),a?f:c(j).scrollTop());else this[d]=f});else return(j=wa(e))?"pageXOffset"in j?j[a?"pageYOffset":
"pageXOffset"]:c.support.boxModel&&j.document.documentElement[d]||j.document.body[d]:e[d]}});c.each(["Height","Width"],function(a,b){var d=b.toLowerCase();c.fn["inner"+b]=function(){return this[0]?c.css(this[0],d,false,"padding"):null};c.fn["outer"+b]=function(f){return this[0]?c.css(this[0],d,false,f?"margin":"border"):null};c.fn[d]=function(f){var e=this[0];if(!e)return f==null?null:this;if(c.isFunction(f))return this.each(function(j){var i=c(this);i[d](f.call(this,j,i[d]()))});return"scrollTo"in
e&&e.document?e.document.compatMode==="CSS1Compat"&&e.document.documentElement["client"+b]||e.document.body["client"+b]:e.nodeType===9?Math.max(e.documentElement["client"+b],e.body["scroll"+b],e.documentElement["scroll"+b],e.body["offset"+b],e.documentElement["offset"+b]):f===w?c.css(e,d):this.css(d,typeof f==="string"?f:f+"px")}});A.jQuery=A.$=c})(window);/* AJAX API */
function AjaxCall(urlToCall, callbackFunction, methodToCall) {
	$.ajax({
		url: urlToCall,
		success: callbackFunction,
		type: "GET" // always GET for now...
	});
}function changeQuantity(selectBox,originalQuantity)
{
	if (selectBox)
	{
		if (selectBox.value == "0")
		{
			if (confirm(completelyRemove))
			{
				selectBox.parentNode.submit();
			}
			else
			{
				selectBox.selectedIndex = originalQuantity;
			}
		}
		else
		{
			selectBox.parentNode.submit();
		}
	}
}

function submitWDYH(wdyh)
{
	if (wdyh && wdyh.value != "")
	{
		var scriptURL = "ajax/registerWDYH.php?wdyh="+wdyh.value+"&sessionId=" + sessionId;
		var ah = new AjaxCall(scriptURL, function() {}, "GET");
	}
}
function clickThroughToPayment()
{
	alert("On the booking form of the next page, please provide a postal address where someone will be available to receive your items, as all packages must be signed for. Thank you.");
}
function showCommerce(checkbox)
{
	var commerce = document.getElementById("Commerce");
	if (commerce && checkbox)
	{
		if (checkbox.checked)
		{
			commerce.style.display = "block";
		}
		else
		{
			commerce.style.display = "none";
		}
	}
}/* PAGE GENERATED EVENTS */
var activeProduct = null;
var numberOfPages = 1;

function swapMainImage(newImage)
{
	var mainImage = document.getElementById("ptGalleryMainPic");
	if (mainImage)
	{
		var mainImageSrc = mainImage.src;
		mainImage.src = newImage.src;
		newImage.src = mainImageSrc;
	}
}
function swapProduct(product)
{
	if (product)
	{
		var scriptURL = "ajax/getProductInfo.php?productId=" + product.id.replace("Product","");
		var AjaxRequest = AjaxCall(scriptURL, loadProductData, "GET");
		if (activeProduct)
		{
			activeProduct.active = false;
			markWhetherSelected(activeProduct);
		}
		product.active = true;
		activeProduct = product;
		selectThumbnail(product);
		/*
		var today = new Date();
		var expires_date = new Date( today.getTime() + (1000 * 60 * 60) );
		document.cookie = "activeProduct=" + activeProduct.id +";expires=" + expires_date.toGMTString();
		*/
		document.cookie = "activeProduct=" + activeProduct.id;
	}
}
function selectThumbnail(product)
{
	if (product.parentNode.className.match("First"))
	{
		product.parentNode.style.marginRight = "0px";
		product.parentNode.style.marginLeft = "0px";
	}
	else
	{
		product.parentNode.style.marginLeft = "1px";
		product.parentNode.style.marginRight = "1px";
	}
	product.className='productSelected';
	product.parentNode.className = product.parentNode.className.replace("Selected","")+"Selected";
}
function markWhetherSelected(product)
{
	if (product)
	{
		if (product.active)
		{
			product.className='productSelected';
			product.parentNode.className = product.parentNode.className.replace("Selected","")+"Selected";
		}
		else
		{
			product.className='productUnSelected';
			product.parentNode.className = product.parentNode.className.replace("Selected","");
			if (product.parentNode.className.match("First"))
			{
				product.parentNode.style.marginLeft = "1px";
			}
			else
			{
				product.parentNode.style.marginLeft = "3px";
			}
			product.parentNode.style.marginRight = "3px";
		}
	}
}
function getWindowWidth()
{
	var x = 0;
	if (self.innerWidth) // all except Explorer
	{
		x = self.innerWidth;
	}
	else if (document.documentElement && document.documentElement.clientHeight)
		// Explorer 6 Strict Mode
	{
		x = document.documentElement.clientWidth;
	}
	else if (document.body) // other Explorers
	{
		x = document.body.clientWidth;
	}
	return x;
}

var startingPosition = 1;
var numberOfImagesCanFitInScreen = 1;
var endingPosition = 1;
var currentPageNumber = 1;

var productCurrentlyLoading = 0;
function resizeListing()
{
	var productTemplate = document.getElementById("productTemplate");
	if (productTemplate)
	{
		var templateWidth = productTemplate.offsetWidth;
		var tableRow = document.getElementById("ProductList");

		if (templateWidth && tableRow)
		{
			numberOfImagesCanFitInScreen = Math.floor(templateWidth / 74);
			endingPosition = startingPosition + (numberOfImagesCanFitInScreen - 1);
			var tableRowSubNodes = tableRow.childNodes;
			var numberOfImagesInTotal = 0;
			var i = 0;

			for (i = 0; i < tableRowSubNodes.length; i++)
			{
				var tdNumber = tableRowSubNodes[i].id.replace(/[A-z]+/g,'');
				if (tdNumber >= startingPosition && tdNumber <= endingPosition)
				{
					tableRowSubNodes[i].style.display = "";
				}
				else
				{
					tableRowSubNodes[i].style.display = "none";
				}
				numberOfImagesInTotal++;
			}

			adjustPrevNext(numberOfImagesInTotal);

			var product = null;
			if (numberOfImagesInTotal)
			{
				var visibleProductId = document.getElementById("visibleProductId");
				product = document.getElementById(getCookie( "activeProduct" ));
				var splashed = getCookie( "splashed" );
				if (product && product.id != "Product"+visibleProductId.innerHTML && productCurrentlyLoading != product.id)
				{
					productCurrentlyLoading = product.id;
					swapProduct(product);
				}				
				else if (!product && !splashed)
				{
					productCurrentlyLoading = tableRowSubNodes[0].childNodes[0].childNodes[0];
					swapProduct(tableRowSubNodes[0].childNodes[0].childNodes[0]);
				}
			}
		}
	}
}
function adjustPrevNext(numberOfImagesInTotal)
{
	var pages = document.getElementById("pages");
	var prevPage = document.getElementById("prevPage");
	var nextPage = document.getElementById("nextPage");
	var prevNextScrollBar = document.getElementById("prevNextScrollBar");
	if (pages && prevPage && nextPage)
	{
		var pagesStrArr = [];
		if (numberOfImagesInTotal > numberOfImagesCanFitInScreen)
		{
			numberOfPages = Math.ceil(numberOfImagesInTotal / numberOfImagesCanFitInScreen);
		}
		
		if (numberOfPages > 1)
		{
			for (var i = 1; i <= numberOfPages; i++)
			{
				if (i != currentPageNumber)
				{
					pagesStrArr.push('<a id="page'+i+'" href="JavaScript:gotoPage('+i+')">'+i+'</a>');
				}
				else
				{
					pagesStrArr.push("<b>"+i+"</b>");
					if (i > 1) prevPage.href = "JavaScript:gotoPage("+(i-1)+")";
					else prevPage.href = "JavaScript:gotoPage("+i+")";
					if (i < numberOfPages) nextPage.href = "JavaScript:gotoPage("+(i+1)+")";
					else nextPage.href = "JavaScript:gotoPage("+i+")";
				}
			}
			prevNextScrollBar.style.display = "";
		}
		else
		{
			prevNextScrollBar.style.display = "none";
		}
		pages.innerHTML = pagesStrArr.join(" ");
	}
}
function gotoPage(pageNumber)
{
	if (pageNumber == 1)
	{
		startingPosition = 1;
	}
	else
	{
		startingPosition = ((pageNumber - 1) * numberOfImagesCanFitInScreen) + 1;
	}
	currentPageNumber = pageNumber;
	resizeListing();
}
function getCookie( name )
{
	var start = document.cookie.indexOf( name + "=" );
	var len = start + name.length + 1;
	if ( ( !start ) && ( name != document.cookie.substring( 0, name.length ) ) )
	{
		return null;
	}
	if ( start == -1 ) return null;
	var end = document.cookie.indexOf( ";", len );
	if ( end == -1 ) end = document.cookie.length;
	return document.cookie.substring( len, end );
}
function ensureActiveProductVisible()
{
	var imagesLoaded = document.getElementsByTagName("img");
	var keepLooking = true;
	for (var page = 1; page <= numberOfPages; page++)
	{
		if (keepLooking) { gotoPage(page); }
		else { break; }
		for (var i = 0; i < imagesLoaded.length; i++)
		{
			if (activeProduct && imagesLoaded[i].id == activeProduct.id)
			{
				if (imagesLoaded[i].parentNode.parentNode.style.display != "none")
				{
					keepLooking = false;
					break;
				}
			}
		}
	}
	if (keepLooking)
	{
		gotoPage(1);
	}
}
function toggleSubMenu(categoryName, currentCategoryName)
{
	var subMenu = document.getElementById(categoryName+"subMenu");
	if (subMenu)
	{
		if (subMenu.style.display == "block")
		{
			subMenu.style.display = "none";
		}
		else
		{
			subMenu.style.display = "block";
		}
		var otherSubMenus = document.getElementsByTagName("div");
		for (var i = 0; i < otherSubMenus.length; i++)
		{
			if (otherSubMenus[i].id.match("subMenu") &&
			 	otherSubMenus[i].id != subMenu.id)
			{
				otherSubMenus[i].style.display = "none";
			}
		}
	}
}

// initialisation
function init() {
	window.onresize = resizeListing;
	var productTemplate = document.getElementById("productTemplate");
	var noJavaScriptTemplate = document.getElementById("noJavaScriptTemplate");
	if (productTemplate && noJavaScriptTemplate)
	{
		productTemplate.style.display = "block";
		noJavaScriptTemplate.style.display = "none";
		ensureActiveProductVisible();
	}
}
$(document).ready(init);

function inventoryAttributeTranslate(type)
{
	return inventoryAttributeMap[type];
}

function loadProductData(response)
{
	if (response)
	{
		var de = response.documentElement;
		var products = de.getElementsByTagName("Product");
		if (products.length == 1)
		{			
			// PRODUCT INFO
			// name
			var visibleProductId = products[0].getAttribute("id");
			var visibleProductIdSpan = document.getElementById("visibleProductId");
			if (visibleProductIdSpan) { visibleProductIdSpan.innerHTML = visibleProductId;	}

			// name
			var productName = products[0].getAttribute("name");
			var productNameSpan = document.getElementById("productName");
			if (productNameSpan) { productNameSpan.innerHTML = productName; }
			// code
			var productCodePrefix = products[0].getAttribute("prefix");
			var productCode = products[0].getAttribute("code");
			var productCodeSpan = document.getElementById("productCode");
			if (productCodeSpan) { productCodeSpan.innerHTML = "Product Code: "+productCodePrefix+"-"+productCode; }
			// price
			var productPrice = products[0].getAttribute("price");
			var productPriceSpan = document.getElementById("productPrice");
			var productReductionNameSpan = document.getElementById("productReductionName");
			var productReductionEndsSpan = document.getElementById("productReductionEnds");
			if (productPriceSpan && productReductionNameSpan && productReductionEndsSpan)
			{
				var productPriceReduction = products[0].getAttribute("reductionprice");
				var reductionPercent = Math.round(products[0].getAttribute("reduction"),0);
				var reductionName = products[0].getAttribute("reductionname");
				var reductionEnds = products[0].getAttribute("reductionends");
				if (productPriceReduction && parseFloat(productPriceReduction) < parseFloat(productPrice))
				{
					var newPrice = productPriceReduction;
					productPriceSpan.innerHTML = "<span title='"+reductionPercent+"% discount' id='notThisPrice'>£"+productPrice+"</span>&nbsp;<span title='"+reductionPercent+"% discount'>£"+newPrice+"</span>";
					productReductionNameSpan.innerHTML = "<span title='"+reductionPercent+"% discount' id='reductionInfo'>"+reductionName+"</span>";
					productReductionEndsSpan.innerHTML = "<span title='"+reductionPercent+"% discount'>Ends: "+reductionEnds+"</span>";
				}
				else
				{
					productPriceSpan.innerHTML = "£" + productPrice;
					productReductionNameSpan.innerHTML = "";
					productReductionEndsSpan.innerHTML = "";
				}
			}
			var productPriceSoldOut = document.getElementById("productPriceSoldOut");
			if (productPriceSoldOut) { productPriceSoldOut.innerHTML = "£" + productPrice; }

			// Left features
			var productFeatures = products[0].getElementsByTagName("ProductFeatures");
			for (var i = 0; i < productFeatures.length; i++)
			{
				var productFeature = productFeatures[i];
				var productFeaturePosition = productFeature.getAttribute("position");
				var productFeatureList = document.getElementById("FeatureList"+productFeaturePosition);
				if (productFeatureList)
				{
					if (productFeature.childNodes.length > 0)
					{
						var productFeatureValue = productFeature.childNodes[0].nodeValue;
						productFeatureValue = productFeatureValue.replace(/\n\n|\n$/g,"");
						if (productFeaturePosition != "Description")
						{
							productFeatureValue = "<li>" + productFeatureValue.replace(/\n/g,"</li><li>")+"</li>";
							productFeatureValue = productFeatureValue.replace(/<li><\/li>/,"");
							productFeatureList.innerHTML = "<ul>"+productFeatureValue+"</ul>";
						} else {
							productFeatureList.innerHTML = productFeatureValue;
						}
						
					}
					else
					{
						productFeatureList.innerHTML = "";
					}
				}
			}

			// email a friend
			var productId = products[0].getAttribute("id");
			var emailafriendText = document.getElementById("emailafriendText");
			var emailafriendImage = document.getElementById("emailafriendImage");
			if (emailafriendText && emailafriendImage)
			{
				emailafriendText.href = "JavaScript:displayEmailAFriend("+productId+");";
				emailafriendImage.href = "JavaScript:displayEmailAFriend("+productId+");";
			}

			// BOOKING
			if (productId && productPrice)
			{
				var ATSBButton = document.getElementById("ATSBButton");
				if (ATSBButton)
				{
					ATSBButton.onclick = function ()
					{
						AddItemToBasket();
					}
				}
			}

			// GALLERY PICTURES
			var GalleryImages = products[0].getElementsByTagName("GalleryImage");
			var currentGalleryContext = 1;
			var currentGalleryIndex = 1;
			var ptGalleryPics = document.getElementById("ptGalleryPics" + currentGalleryContext);
			
			if (ptGalleryPics)
			{
				// clear all previous product's images
				while (ptGalleryPics.childNodes.length > 0)
				{
					ptGalleryPics.removeChild(ptGalleryPics.childNodes[0]);
				}
				if (GalleryImages.length === 1) {
					var newTD = document.createElement("td");
					var newDiv = document.createElement("div");										
					newDiv.className = "productGalleryImageNoBorder";					
					newTD.appendChild(newDiv);
					ptGalleryPics.appendChild(newTD);
					document.getElementById("clickMessage").style.display="none";
				} else {
					document.getElementById("clickMessage").style.display="inline";
				}
				// add this product's images
				for (var i = 0; i < GalleryImages.length && i < 4; i++)
				{
					// MAIN PICTURE
					if (i == 0)
					{
						var mainImage = document.getElementById("ptGalleryMainPic");
						if (mainImage) {
							mainImage.src = "images/productImages/" + GalleryImages[i].getAttribute("src");
							mainImage.title = productName;
						}
					}
					else
					{
						var newTD = document.createElement("td");
						var newDiv = document.createElement("div");
						var pic = document.createElement("img");
						pic.id = "ptGalleryPic_"+currentGalleryContext+"_"+currentGalleryIndex;
						pic.className = "ptGalleryPic";
						pic.src = "images/productImages/"+GalleryImages[i].getAttribute("src");
						pic.onmouseover = function () { this.style.cursor='pointer'; }
						pic.onmouseout  = function () { this.style.cursor='default'; }
						pic.onclick		= function () { swapMainImage(this); }
						pic.title = productName;
						
						newDiv.id = "productGalleryImage_" + currentGalleryContext + "_" + currentGalleryIndex;
						newDiv.className = "productGalleryImage";
						if (i < GalleryImages.length - 1) newDiv.style.marginRight = "2px";
						
						newDiv.appendChild(pic);
						newTD.appendChild(newDiv);
						ptGalleryPics.appendChild(newTD);
						
						currentGalleryIndex++;
					}
				}
			}
			// PRODUCT INVENTORY OPTIONS
			// Generate propriate data structure from XML
			var FilterDropdownOptions = Array();

			var InventorySelectors = document.getElementById("InventorySelectors");
			InventorySelectors.innerHTML = "";
			var InventoryOptions = products[0].getElementsByTagName("Inventory");
			for (var i = 0; i < InventoryOptions.length; i++)
			{
				var Attributes = InventoryOptions[i].attributes;
				for (var j = 0; j < Attributes.length; j++)
				{
					var Attribute = Attributes[j];
					var attributeName = Attribute.nodeName;
					var attributeValue = Attribute.nodeValue;

					if (attributeName != "" && attributeName != "0" &&
						attributeName != "productinventoryid" &&
						attributeName != "quantityavailable")
					{
						// initialise them if they don't exist
						if (FilterDropdownOptions[attributeName] == null)
						{
							FilterDropdownOptions[attributeName] = Array();
						}
						if (FilterDropdownOptions[attributeName][attributeValue] == null)
						{
							FilterDropdownOptions[attributeName][attributeValue] = Array();
							FilterDropdownOptions[attributeName][attributeValue]["Quantity"] = 0;
							FilterDropdownOptions[attributeName][attributeValue]["InventoryIds"] = Array();

						}
						var quantityInStock = InventoryOptions[i].getAttribute("quantityavailable");
						var inventoryId = InventoryOptions[i].getAttribute("productinventoryid");
						FilterDropdownOptions[attributeName][attributeValue]["Quantity"] += parseInt(quantityInStock, 10);
						FilterDropdownOptions[attributeName][attributeValue]["InventoryIds"].push(inventoryId);
					}
				}
			}


			// loop through that data structure creating the filter drop downs
			var excludeFromDropdown = "";
			var first = "";
			var others = Array();
			var numberOfDropdowns = 0;
			for (var type in FilterDropdownOptions)
			{
				numberOfDropdowns++;
				if (!first)
				{
					excludeFromDropdown = type;
					var selectBox = document.createElement("select");
					selectBox.id = type + "Filter";
					var selectBoxDiv = document.createElement("div");
					InventorySelectors.appendChild(selectBoxDiv);
					selectBoxDiv.innerHTML = inventoryAttributeTranslate(type) + ": ";

					selectBoxDiv.appendChild(selectBox);
					selectBox.name = type;

					// first empty element
					var optionHTML = document.createElement("option");
					optionHTML.value = "";
					optionHTML.innerHTML = "Please select ...";
					selectBox.appendChild(optionHTML);

					selectBox.onchange = function() {
						applyFilter(this, FilterDropdownOptions);
					};

					for (option in FilterDropdownOptions[type])
					{
						var inventoryIds = FilterDropdownOptions[type][option]["InventoryIds"];
						var quantity = FilterDropdownOptions[type][option]["Quantity"];
						if (inventoryIds)
						{
							var optionHTML = document.createElement("option");
							optionHTML.value = "InventoryIds_" + inventoryIds;
							optionHTML.innerHTML = option;
							selectBox.appendChild(optionHTML);
							if (quantity == 0)
							{
								optionHTML.innerHTML = option + " (Sold out)";
								optionHTML.value = "";
							}
						}
					}
					first = type;
				}
				else
				{
					others.push(type);
				}

			}

			// Now create the actual per product entity drop down which gets filtered
			var othersIndex = 0;
			var totalQuantity = 0;

			// note ordering
			if (InventoryOptions.length > 0 && numberOfDropdowns > 1)
			{
				// create list of products.
				var selectBoxDiv = document.createElement("div");
				selectBoxDiv.id = "inventoryPickerDiv";
				selectBoxDiv.style.paddingTop = "12px";
				selectBoxDiv.innerHTML = inventoryAttributeTranslate(others[othersIndex++]) + ": ";
				selectBoxDiv.style.display = "none";

				var hiddenInventoryList = document.createElement("select");
				hiddenInventoryList.id = "hiddenInventoryList";
				hiddenInventoryList.style.display = "none";
				selectBoxDiv.appendChild(hiddenInventoryList);

				var inventoryPicker = document.createElement("select");
				inventoryPicker.id = "inventoryPicker";
				inventoryPicker.onchange = function ()
				{
					displayQuantityPicker(this);
				}
				selectBoxDiv.appendChild(inventoryPicker);
				InventorySelectors.appendChild(selectBoxDiv);

				for (var i = 0; i < InventoryOptions.length; i++)
				{
					var inventoryId = InventoryOptions[i].getAttribute("productinventoryid");
					var quantity = InventoryOptions[i].getAttribute("quantityavailable");
					totalQuantity += quantity;

					var otherAttributes = "";
					// the other attributes
					var Attributes = InventoryOptions[i].attributes;
					for (var j = 0; j < Attributes.length; j++)
					{
						var Attribute = Attributes[j];
						var attributeName = Attribute.nodeName;
						var attributeValue = Attribute.nodeValue;

						if (attributeName != "" &&
							attributeName != "productinventoryid" &&
							attributeName != "quantityavailable" &&
							attributeName != excludeFromDropdown)
						{
							otherAttributes += attributeValue+" ";
						}
					}

					var optionHTML = document.createElement("option");
					optionHTML.value = inventoryId;
					optionHTML.innerHTML = otherAttributes;
					if (quantity == 0)
					{
						optionHTML.innerHTML = otherAttributes + " (Sold out)";
					}
					hiddenInventoryList.appendChild(optionHTML);

					var quantityPickerDiv = document.createElement("div");
					quantityPickerDiv.innerHTML = "Quantity: ";
					quantityPickerDiv.id = "quantityPickerDiv"+optionHTML.value;
					quantityPickerDiv.style.paddingTop = "12px";
					quantityPickerDiv.style.display = "none";

					var quantityPicker = document.createElement("select");
					quantityPicker.id = "quantityPicker"+optionHTML.value;
					quantityPickerDiv.appendChild(quantityPicker);
					selectBoxDiv.appendChild(quantityPickerDiv);
					if (quantity == 0)
					{
						quantityPickerDiv.innerHTML = "";
					}

					for (var k = 1; k <= quantity; k++)
					{
						var optionQuantity = document.createElement("option");
						optionQuantity.value = k;
						optionQuantity.innerHTML = k;
						quantityPicker.appendChild(optionQuantity);
					}
				}
			}
			else if (InventoryOptions.length > 0 && numberOfDropdowns == 1)
			{
				// ONLY ONE OPTION
				// create list of products.
				var selectBoxDiv = document.createElement("div");
				selectBoxDiv.id = "inventoryPickerDiv";
				selectBoxDiv.style.paddingTop = "12px";
				selectBoxDiv.style.display = "none";

				var hiddenInventoryList = document.createElement("select");
				hiddenInventoryList.id = "hiddenInventoryList";
				hiddenInventoryList.style.display = "none";
				selectBoxDiv.appendChild(hiddenInventoryList);

				var inventoryPicker = document.createElement("select");
				inventoryPicker.id = "inventoryPicker";
				inventoryPicker.oneOption = true;
				inventoryPicker.style.display = "none";
				selectBoxDiv.appendChild(inventoryPicker);
				InventorySelectors.appendChild(selectBoxDiv);

				for (var i = 0; i < InventoryOptions.length; i++)
				{
					var inventoryId = InventoryOptions[i].getAttribute("productinventoryid");
					var quantity = InventoryOptions[i].getAttribute("quantityavailable");
					totalQuantity += quantity;

					var otherAttributes = "";
					// the other attributes
					var Attributes = InventoryOptions[i].attributes;
					for (var j = 0; j < Attributes.length; j++)
					{
						var Attribute = Attributes[j];
						var attributeName = Attribute.nodeName;
						var attributeValue = Attribute.nodeValue;

						if (attributeName != "" &&
							attributeName != "productinventoryid" &&
							attributeName != "quantityavailable" &&
							attributeName != excludeFromDropdown)
						{
							otherAttributes += attributeValue+" ";
						}
					}

					var optionHTML = document.createElement("option");
					optionHTML.value = inventoryId;
					optionHTML.innerHTML = otherAttributes;
					if (quantity == 0)
					{
						optionHTML.innerHTML = otherAttributes + " (Sold out)";
					}
					hiddenInventoryList.appendChild(optionHTML);

					var quantityPickerDiv = document.createElement("div");
					quantityPickerDiv.innerHTML = "Quantity: ";
					quantityPickerDiv.id = "quantityPickerDiv"+optionHTML.value;
					quantityPickerDiv.style.display = "none";

					var quantityPicker = document.createElement("select");
					quantityPicker.id = "quantityPicker"+optionHTML.value;
					quantityPickerDiv.appendChild(quantityPicker);
					selectBoxDiv.appendChild(quantityPickerDiv);
					if (quantity == 0)
					{
						quantityPickerDiv.innerHTML = "";
					}

					for (var k = 1; k <= quantity; k++)
					{
						var optionQuantity = document.createElement("option");
						optionQuantity.value = k;
						optionQuantity.innerHTML = k;
						quantityPicker.appendChild(optionQuantity);
					}
				}
			}
			else if (InventoryOptions.length > 0 && numberOfDropdowns == 0)
			{
				// NO OPTIONS

				// create list of products.
				var selectBoxDiv = document.createElement("div");
				selectBoxDiv.id = "inventoryPickerDiv";
				selectBoxDiv.style.display = "block";

				var hiddenInventoryList = document.createElement("select");
				hiddenInventoryList.id = "inventoryPicker";
				hiddenInventoryList.style.display = "none";
				selectBoxDiv.appendChild(hiddenInventoryList);
				InventorySelectors.appendChild(selectBoxDiv);

				for (var i = 0; i < InventoryOptions.length; i++)
				{
					var inventoryId = InventoryOptions[i].getAttribute("productinventoryid");
					var quantity = InventoryOptions[i].getAttribute("quantityavailable");
					totalQuantity += quantity;

					var optionHTML = document.createElement("option");
					optionHTML.value = inventoryId;
					optionHTML.innerHTML = quantity;
					hiddenInventoryList.appendChild(optionHTML);

					var quantityPickerDiv = document.createElement("div");
					quantityPickerDiv.innerHTML = "Quantity: ";
					quantityPickerDiv.id = "quantityPickerDiv"+optionHTML.value;
					quantityPickerDiv.style.display = "block";

					var quantityPicker = document.createElement("select");
					quantityPicker.id = "quantityPicker"+optionHTML.value;
					quantityPickerDiv.appendChild(quantityPicker);
					selectBoxDiv.appendChild(quantityPickerDiv);
					if (quantity == 0)
					{
						quantityPickerDiv.innerHTML = "";
					}

					for (var k = 1; k <= quantity; k++)
					{
						var optionQuantity = document.createElement("option");
						optionQuantity.value = k;
						optionQuantity.innerHTML = k;
						quantityPicker.appendChild(optionQuantity);
					}
				}
			}
			else
			{
				// do nothing
			}

			// ensure Add button div is showing	if we have a quantity
			if (totalQuantity > 0)
			{
				showAddButton();
			}
			else
			{
				// show relevant sold out message
				soldOutAjax();
			}
			// DISPLAY EVERYTHING			
			var productSplash = document.getElementById("productSplash");
			productSplash.style.display = "none";
			var productView = document.getElementById("productView");
			productView.style.display = "";
		} else {
			// HIDE EVERYTHING
			var productSplash = document.getElementById("productSplash");
			productSplash.style.display = "";
			var productView = document.getElementById("productView");
			productView.style.display = "hidden";
		}
	}
}

function applyFilter(selectBox,FilterDropDowns)
{
	// un-display the quantities
	displayQuantityPicker(null);

	// whenever this method is called, enable all options
	var hiddenInventoryList = document.getElementById("hiddenInventoryList");
	var inventoryPickerDiv = document.getElementById("inventoryPickerDiv");
	var inventoryPicker = document.getElementById("inventoryPicker");
	inventoryPicker.innerHTML = ""; // clears inventoryPicker dropdown each time

	if (!inventoryPicker.oneOption)
	{
		var blankOption = document.createElement("option")
		blankOption.value = "";
		blankOption.innerHTML = "Please select ...";
		inventoryPicker.appendChild(blankOption);
	}

	if (selectBox.value != "")
	{
		if (inventoryPickerDiv)
		{
			inventoryPickerDiv.style.display = "block";
			var inventoryIds = selectBox.value.replace("InventoryIds_","").split(',');
			for (var i = 0; i < inventoryIds.length; i++)
			{
				var inventoryId = inventoryIds[i];
				for (var j = 0; j < hiddenInventoryList.options.length; j++)
				{
					var pickerId = hiddenInventoryList.options[j].value;
					// copy the value across from the hidden inventory list to the inventoryPicker
					if (pickerId == inventoryId)
					{
						var newOption = document.createElement("option")
						newOption.value = pickerId;
						newOption.innerHTML = hiddenInventoryList.options[j].innerHTML;
						inventoryPicker.appendChild(newOption);
						displayQuantityPicker(inventoryPicker);
						break;
					}
				}
			}
		}
	}
	else	// user goes back, so re-enable the other filter
	{
		inventoryPickerDiv.style.display = "none";
	}
}
function displayQuantityPicker(hiddenInventoryList)
{
	var divs = document.getElementsByTagName("div");
	for (var i = 0; i < divs.length; i++)
	{
		if (divs[i].id && divs[i].id.match("quantityPickerDiv"))
		{
			divs[i].style.display = "none";
		}
	}

	if (hiddenInventoryList)
	{
		var quantityPickerDiv = document.getElementById("quantityPickerDiv" + hiddenInventoryList.value);
		if (quantityPickerDiv && quantityPickerDiv.innerHTML != "")
		{
			quantityPickerDiv.style.display = "block";
		}
	}
}
function AddItemToBasket()
{
	// TRIGGER AN AJAX CALL TO ADD PRODUCT TO THE BASKET AND TO REMOVE FROM THE INVENTORY PICKER
	var hiddenInventoryList = document.getElementById("inventoryPicker");
	if (hiddenInventoryList.value > 0)
	{
		var quantityPicker = document.getElementById("quantityPicker"+hiddenInventoryList.value);
		if (quantityPicker.value > 0)
		{
			var scriptURL = "ajax/addToYourBasket.php?iv="+hiddenInventoryList.value+"&quantity="+quantityPicker.value+"&sessionId=" + sessionId;
			var AjaxRequest = AjaxCall(scriptURL, confirmAjaxAdd, "GET");
		}
		else
		{
			alert("Error, quantity selected. Please select the quanity of products you wish to buy.");
		}
	}
	else
	{
		alert("Error, no item selected. Please use the options above to choose your product.");
	}
}
function confirmAjaxAdd(response)
{
	var de = response.documentElement;
	for (var i = 0; i < de.childNodes.length; i++)
	{
		if (de.childNodes[i].nodeName == "Added")
		{
			var total = de.childNodes[i].getAttribute("total");
			var items = de.childNodes[i].getAttribute("items");
			var shoppingBagTotal = document.getElementById("shoppingBagTotal");
			var shoppingBagNumItems = document.getElementById("shoppingBagNumItems");
			shoppingBagTotal.innerHTML = total;
			shoppingBagNumItems.innerHTML = items;

			// re-flush the drop downs :-)
			var scriptURL = "ajax/getProductInfo.php?productId=" + activeProduct.id.replace("Product","");
			var AjaxRequest = AjaxCall(scriptURL, loadProductData, "GET");

			var IISB = document.getElementById("IISB");
			if (IISB)
			{
				IISB.style.display = 'block';
			}

			var ATSB = document.getElementById("ATSB");
			if (ATSB)
			{
				ATSB.style.display = 'none';
			}

			// clean up above.
			setTimeout(
				function ()
				{
					var IISB = document.getElementById("IISB");
					if (IISB)
					{
						IISB.style.display = 'none';
					}
					var ATSB = document.getElementById("ATSB");
					if (ATSB)
					{
						ATSB.style.display = 'block';
					}
				},
				4000);
		}
		else
		{
			alert(bagResponseFail);
		}
	}
}
function showAddButton()
{
	var addProductToBasket = document.getElementById("addProductToBasket");
	var addButton = document.getElementById("addButton");
	var soldOut = document.getElementById("soldOut");
	var soldOutYouJustBoughtLastOne = document.getElementById("soldOutYouJustBoughtLastOne");

	if (addButton && addProductToBasket && soldOut && soldOutYouJustBoughtLastOne)
	{
		addProductToBasket.style.display = "";
		addButton.style.display = "";
		soldOut.style.display = "none";
		soldOutYouJustBoughtLastOne.style.display = "none";
	}
}
function soldOutAjax()
{
	var addProductToBasket = document.getElementById("addProductToBasket");
	var addButton = document.getElementById("addButton");
	if (addProductToBasket && addButton)
	{
		// don't show add button if product not available.
		addProductToBasket.style.display = "none";
		addButton.style.display = "none";

		var scriptURL = "ajax/productInYourBasket.php?productId=" +activeProduct.id.replace("Product","")+"&sessionId=" + sessionId;
		var AjaxRequest = AjaxCall(scriptURL, productInYourBasket, "GET");
	}
}
function productInYourBasket(response)
{
	var soldOut = document.getElementById("soldOut");
	var soldOutYouJustBoughtLastOne = document.getElementById("soldOutYouJustBoughtLastOne");

	if (soldOut && soldOutYouJustBoughtLastOne)
	{
		var bcb = response.documentElement;
		var Exists = bcb.getAttribute("Exists");
		if (Exists == "true")
		{
			soldOutYouJustBoughtLastOne.style.display = "block";
			soldOut.style.display = "none";
		}
		else
		{
			soldOut.style.display = "block";
			soldOutYouJustBoughtLastOne.style.display = "none";
		}
	}
}
function displayEmailAFriend(productId)
{
	var emailAFriendSpace = document.getElementById('emailAFriendSpace');
	var productDetailsSpace = document.getElementById('productDetailsSpace');
	var emailafriendProductId = document.getElementById('emailafriendProductId');

	if (productId && emailafriendProductId && emailAFriendSpace && productDetailsSpace)
	{
		emailAFriendSpace.style.display = "block";
		productDetailsSpace.style.display = "none";
		emailafriendProductId.value = productId;
	}
}
function displayProductDetailsSpace()
{
	var productDetailsSpace = document.getElementById('productDetailsSpace');
	var emailAFriendSpace = document.getElementById('emailAFriendSpace');

	if (emailAFriendSpace && productDetailsSpace)
	{
		emailAFriendSpace.style.display = "none";
		productDetailsSpace.style.display = "block";
	}
}function sessionTouched(response)
{
	return;
}

function touchSession()
{
	var scriptURL = "/shop/ajax/touchSession.php";

	// first touch
	var AjaxRequest = AjaxCall(scriptURL, sessionTouched, "GET");

	// interval touch every 10 seconds
	setInterval(
		function ()
		{
			var AjaxRequest2 = AjaxCall(scriptURL, sessionTouched, "GET");
		},30000
	);
}

// initialisation
$(document).ready(touchSession);