//
// JSON class for generic DOM functions.
// ****************************************************************************
// Developer notes ::
// ** MDC : Initial creation.
//
var headscapeDOM = {
	//
	// Generic getElementsByClassName function.
	//
	// Developer notes ::
	// ** MDC : Courtesy of Dustin Diaz (http://www.dustindiaz.com/getelementsbyclass/).
	//
	getElementsByClassName : function(searchClass, node, tag) {
		var classElements = new Array();
		if (node == null)
			node = document;
		if (tag == null)
			tag = '*';
		var els = node.getElementsByTagName(tag);
		var elsLen = els.length;
		var pattern = new RegExp("(^|\\s)" + searchClass + "(\\s|$)");
		for (i = 0, j = 0; i < elsLen; i++) {
			if (pattern.test(els[i].className)) {
				classElements[j] = els[i];
				j++;
			}
		}
		return classElements;
	},
	// ----------------------------------------------------------------------------



	//
	// Generic addEvent function.
	//
	// Developer notes ::
	// ** MDC : Initial creation.
	//
	addEvent : function(obj, evType, fn, useCapture) {
		if (obj.addEventListener){
			obj.addEventListener(evType, fn, useCapture);
			return true;
		} else if (obj.attachEvent){
			var r = obj.attachEvent("on"+evType, fn);
			return r;
		} else {
			//alert("Handler could not be attached");
		}
	},
	// ----------------------------------------------------------------------------



	//
	// Generic Trim function to remove leading and trailing spaces.
	//
	// Developer notes ::
	// ** MDC : Initial creation.
	//
	trim : function(strString) {
		while (strString.substring(0,1) == ' ') {
			strString = strString.substring(1, strString.length);
		}
		while (strString.substring(strString.length-1, strString.length) == ' ') {
			strString = strString.substring(0,strString.length-1);
		}
		return strString;
	},
	// ----------------------------------------------------------------------------



	//
	// Generic read cookie function.
	//
	// Developer notes ::
	// ** MDC : Initial creation.
	//
	getCookie : function(strName) {
		var aryCookies = document.cookie.split(";");
		var nameEQ = strName + "=";
		for(var i=0; i < aryCookies.length; i++) {
			aryCookies[i] = this.trim(aryCookies[i]);
			if (aryCookies[i].indexOf(nameEQ) == 0) return aryCookies[i].substring(nameEQ.length, aryCookies[i].length);
		}
		return null;
	},
	// ----------------------------------------------------------------------------



	//
	// Reads a sub cookie (URL Encoded) from a cookie.
	//
	// Developer notes ::
	// ** MDC : Initial creation.
	//
	getSubCookie : function(strName, strSubName) {
		var strReturnValue = null;
		var strFullCookie = this.getCookie(strName);
		if (strFullCookie) {
			var arySubCookies = strFullCookie.split("&");
			var nameEQ = strSubName + "=";
			for (var i=0; i < arySubCookies.length; i++) {
				arySubCookies[i] = this.trim(arySubCookies[i]);
				if (arySubCookies[i].indexOf(nameEQ) == 0) {
					strReturnValue = arySubCookies[i].substring(nameEQ.length, arySubCookies[i].length);
					break;
				}
			}
		}
		return strReturnValue;
	},
	// ----------------------------------------------------------------------------



	//
	// Generic write cookie function.
	//
	// Developer notes ::
	// ** MDC : Initial creation.
	//
	setCookie : function(strName, strValue, intExpiryDays) {
		var aryCookies = document.cookie.split(";");
		var nameEQ = strName + "=";
		var strNewCookieFull = "";
		var intThisCookie = -1;
		var strExpires = "";

		if (intExpiryDays) {
			var date = new Date();
			date.setTime(date.getTime()+(intExpiryDays*24*60*60*1000));
			strExpires = "; expires="+date.toGMTString();
		}

		strNewCookieFull = nameEQ + strValue + strExpires + "; path=/";

		for(var i=0; i < aryCookies.length; i++) {
			aryCookies[i] = this.trim(aryCookies[i]);
			if (aryCookies[i].indexOf(nameEQ) == 0) {
				// We have a match
				intThisCookie = i;
				aryCookies[i] = strNewCookieFull;
				break;
			}
		}

		// Check if we need to add the cookie
		if (intThisCookie == -1) {
			aryCookies.push(strNewCookieFull);
			intThisCookie = aryCookies.length - 1;
		}

		// Write this cookie back - not the full cookie list as this is not what JS expects
		document.cookie = aryCookies[intThisCookie];
	},
	// ----------------------------------------------------------------------------



	//
	// Updates a sub cookie.
	//
	// Developer notes ::
	// ** MDC : Initial creation.
	//
	setSubCookie : function(strCookieName, strSubCookieName, strValue) {
		var strFullCookie = this.getCookie(strCookieName);
		if (strFullCookie) {
			var arySubCookies = strFullCookie.split("&");
			var nameEQ = strSubCookieName + "=";
			var strNewCookieFull = nameEQ + strValue;
			var intThisSubCookie = -1;

			for(var i=0; i < arySubCookies.length; i++) {
				arySubCookies[i] = this.trim(arySubCookies[i]);
				if (arySubCookies[i].indexOf(nameEQ) == 0) {
					// We have a match
					intThisSubCookie = i;
					break;
				}
			}

			// Check if we need to add or update the cookie
			if (intThisSubCookie == -1) {
				arySubCookies.push(strNewCookieFull)
			} else {
				// Update our found cookie
				arySubCookies[intThisSubCookie] = strNewCookieFull;
			}

			// Write the full cookie back
			this.setCookie(strCookieName, arySubCookies.join("&"), 365);
		}
	},
	// ----------------------------------------------------------------------------

	isInteger : function(sInteger) {
		var deccount = 0;
		var isInt = true;
		var inputStr;
		inputStr = sInteger.toString(); // in case sInteger is not a string
		for (var i = 0; i < inputStr.length; i++) {
			var oneChar = inputStr.charAt(i);
			if (oneChar < "0" || oneChar > "9" || oneChar == ".") {
				isInt = false;
				i = inputStr.length;
			}
		}
		return isInt;
	},
	// ----------------------------------------------------------------------------



	externalLinks : function() {
		if (document.getElementsByTagName) {
			var links = this.getElementsByClassName("externalLink");
			for (var i=0; i < links.length; i++) {
				if (links[i].title == "") {
					links[i].title = "(new window)";
				} else {
					links[i].title = links[i].title + " (new window)";
				}
				links[i].onclick = function(e) {
					if (!e) e=window.event;
					if (e.shiftKey || e.ctrlKey || e.altKey) return;
					window.open(this.href);
					return false;
				}
			}
		}
	}
}
// ****************************************************************************




//
// Generic Hash table implementation.
// ****************************************************************************
// Developer notes ::
// ** MDC : Initial creation.
//
function HashTable() {
	this.length = 0;
	this.items = new Array();
	for (var i = 0; i < arguments.length; i += 2) {
		if (typeof(arguments[i + 1]) != 'undefined') {
			this.items[arguments[i]] = arguments[i + 1];
			this.length++;
		}
	}

	this.removeItem = function(in_key) {
		var tmp_value;
		if (typeof(this.items[in_key]) != 'undefined') {
			this.length--;
			var tmp_value = this.items[in_key];
			delete this.items[in_key];
		}

		return tmp_value;
	}

	this.getItem = function(in_key) {
		return this.items[in_key];
	}

	this.setItem = function(in_key, in_value) {
		if (typeof(in_value) != 'undefined') {
			if (typeof(this.items[in_key]) == 'undefined') {
				this.length++;
			}

			this.items[in_key] = in_value;
		}

		return in_value;
	}

	this.hasItem = function(in_key) {
		return typeof(this.items[in_key]) != 'undefined';
	}
}
// ****************************************************************************




//
// JSON class for WFF basket product. Used to handle display updates.
// ****************************************************************************
// Developer notes ::
// ** MDC : Initial creation.
//
var wffBasketProduct = {
	cINBASKETCLASS : "inBasket",
	cINBASKETDETAILCLASS : "inBasketDetail",
	cADDCLASS : "prodAdd",
	cUPDATECLASS : "changeQuan",
	cADDTXT : "Add to basket",
	cUPDATETXT : "Change quantity",
	cPRODADDEDTITLE : "This product has been added to your shopping basket",

	intPid : -1,
	intQty : 1,
	blnFirstTimeAdded : false,
	mnyTotal : "0.00",
	mnyLineTotal : "0.00",
	mnyMinOrderValue : "9999.00",
	strFranchisePhone : "",
	strProdClass : "",


	//
	// ***DEPENDS ON PROTOTYPE***
	// Redraw all occurrences of the product (class).
	//
	// Developer notes ::
	// ** MDC : Initial creation
	//
	redrawProduct : function() {
		var aryProds = null;
		var aryHPProds = null;
		var arySEOProds = null;
		var eltProdDetails = null;

		if (location.href.indexOf("all_products.asp", 1) != -1) {
			arySEOProds = document.getElementsByTagName("tr");
		}
		else if (((location.href.indexOf("/frozen-ready-meals/", 1) != -1) && (location.href.indexOf("-ready-meals.asp", 1) == -1)) || (location.href.indexOf("product_details.asp", 1) != -1)) {
			eltProdDetails = document.getElementById("adding");

			// Pick up the products in the main body of the page
			aryProds = headscapeDOM.getElementsByClassName(this.strProdClass, $("prodList"), "li");
		}
		else {
			// Pick up the products in the main body of the page
			aryProds = headscapeDOM.getElementsByClassName(this.strProdClass, null, "li");

			// Pick up products in hp promo tables
			aryHPProds = headscapeDOM.getElementsByClassName(this.strProdClass, $("contentContainer"), "tr");
		}


		// Assume we are not on basket.asp by default
		var blnIsBasketPage = false;

		// We need to reverse the display if the user has set the qty to 0
		if (this.intQty == 0) {
			// For each instance of the product on this page, update the display
			if (aryProds != null) {
				for (var i=0; i < aryProds.length; i++) {
					// Check if this item is in the basket.asp main list
					var eleRowPrice = null;
					var aryChildDivs = aryProds[i].getElementsByTagName("div");
					for (var z=0; z < aryChildDivs.length; z++) {
						if (Element.hasClassName(aryChildDivs[z], "rowTotal")) {
							eleRowPrice = aryChildDivs[z];
							break;
						}
					}

					// Check child node for price
					if (eleRowPrice) {
						blnIsBasketPage = true;

						// Update the following rows' alt colouring
						for (var cell = aryProds[i].nextSibling; cell != null; cell = cell.nextSibling) {
							if (cell.nodeType == 1) {
								if (Element.hasClassName(cell, "alt")) {
									Element.removeClassName(cell, "alt");
								} else {
									Element.addClassName(cell, "alt");
								}
							}
						}

						// Delete this li
						if (aryProds[i].parentNode) aryProds[i].parentNode.removeChild(aryProds[i]);

					} else {
						// Change li class
						Element.removeClassName(aryProds[i], this.cINBASKETCLASS)

						// Remove title from product title H3
						var aryProdTitles = aryProds[i].getElementsByTagName("h3");
						if (aryProdTitles.length == 1) {
							aryProdTitles[0].title = "";
						}

						// Change value in qty input and rename submit button
						var aryInputs = aryProds[i].getElementsByTagName("input");
						for (var x=0; x < aryInputs.length; x++) {
							if (aryInputs[x].name == "qty") aryInputs[x].value = "";
							if ((aryInputs[x].name == "add") || (aryInputs[x].name == "add" + this.intPid)) {
								Element.removeClassName(aryInputs[x].parentNode, this.cUPDATECLASS);
								Element.addClassName(aryInputs[x].parentNode, this.cADDCLASS);
								aryInputs[x].value = this.cADDTXT;
								aryInputs[x].blur();
							}
						}
					}
				}
			}


			// Update the homepage promo product(s) too if they exist
			if (aryHPProds != null) {
				for (i=0; i < aryHPProds.length; i++) {
					// Get a handle on the product title
					var aryCells = aryHPProds[i].getElementsByTagName("td");
					var eleTitleCell = aryCells[0];
					var eleTitleSpan = eleTitleCell.getElementsByTagName("span")[0];
					var eleQtyCell = aryCells[aryCells.length-1];

					if (eleTitleCell && eleTitleSpan) {
						var strProdTitle = eleTitleSpan.innerHTML;
						Element.update(eleTitleCell, strProdTitle);
					}

					if (eleQtyCell) {
						// Update the input box number
						var aryInputs = eleQtyCell.getElementsByTagName("input");
						aryInputs[0].value = "";

						// Update the submit button text
						aryInputs[1].value = this.cADDTXT;
					}
				}
			}


			// SEO
			if (arySEOProds != null) {
				if (document.getElementById("pr" + this.intPid)) {

					document.getElementById("pr" + this.intPid).className = "prod pr" + this.intPid;
					//document.getElementById("pr" + this.intPid).setAttribute("class", "prod pr" + this.intPid);

					//alert(document.getElementById("pr" + this.intPid).getAttribute('class'));


					// Change value in qty input and rename submit button
					var aryInputs = document.getElementById("pr" + this.intPid).getElementsByTagName("input");
					for (var x=0; x < aryInputs.length; x++) {
						if (aryInputs[x].name == "qty") aryInputs[x].value = "";
						if ((aryInputs[x].name == "add") || (aryInputs[x].name == "add" + this.intPid)) {
							aryInputs[x].value = "Add to basket";
							aryInputs[x].blur();
						}
					}


				}

				for (i=0; i < arySEOProds.length; i++) {

					if (this.intPid == arySEOProds[i].getAttribute("title")) {

						Element.removeClassName(arySEOProds[i], this.cINBASKETCLASS);

						var eltA = arySEOProds[i].childNodes[0].childNodes[0];
						var eltInputAdd = arySEOProds[i].childNodes[2].childNodes[0].childNodes[1].childNodes[0];
						var eltInputQty = arySEOProds[i].childNodes[2].childNodes[0].childNodes[0].childNodes[1];

						eltA.title = '';
						eltInputAdd.value = 'Add to basket';
						eltInputQty.value = '';

					}
				}

			}


			// Product details
			if (eltProdDetails != null) {
				var eltInputAdd = eltProdDetails.childNodes[2].childNodes[0];
				var eltInputQty = eltProdDetails.childNodes[1].childNodes[0].childNodes[1];

				eltInputQty.value = ''
				eltInputAdd.value = this.cADDTXT;

				document.getElementById("productSummary").className = "";

				document.getElementById("productSummary").removeAttribute("class");
			}


		} else {
			// Product has been added/updated
			if (aryProds != null) {
				for (var i=0; i < aryProds.length; i++) {
					// Check if this is in the main basket list
					var eleRowPrice = null;
					var aryChildDivs = aryProds[i].getElementsByTagName("div");
					for (var z=0; z < aryChildDivs.length; z++) {

						if (Element.hasClassName(aryChildDivs[z], "rowTotal")) {
							eleRowPrice = aryChildDivs[z];
							break;
						}
					}

					// Check child node for price - if it exists we are in the basket
					if (!eleRowPrice) {
						// Change li class
						if (!Element.hasClassName(aryProds[i], this.cINBASKETCLASS)) {
							Element.addClassName(aryProds[i], this.cINBASKETCLASS)
						}

						// Add title to product title H3
						var aryProdTitles = aryProds[i].getElementsByTagName("h3");
						if (aryProdTitles.length == 1) {
							aryProdTitles[0].title = this.cPRODADDEDTITLE;
						}

						// If we have added a new product from a recc/chef's choice etc then add it to the list
						if (this.blnFirstTimeAdded) {
							// Check if we are on basket.asp
							if (location.pathname == "/basket.asp") {
								
								// Duplicate this product li for use in the basket list
								var eleNewProdClone = aryProds[i].cloneNode(true);


								// Change the ID and remove extraneous classes
								eleNewProdClone.removeAttribute("id");
								eleNewProdClone.setAttribute("id", "basket" + this.strProdClass);
								Element.removeClassName(eleNewProdClone, "inBasket");
								Element.removeClassName(eleNewProdClone, "alt");


								// Change "add to basket" to "change quantity"
								var eleSubmit = headscapeDOM.getElementsByClassName(this.cADDCLASS, eleNewProdClone, "div")[0];
								if (eleSubmit) {
									Element.removeClassName(eleSubmit, this.cADDCLASS);
									Element.addClassName(eleSubmit, this.cUPDATECLASS);

									var eleSubmitButton = eleSubmit.childNodes[0];
									eleSubmitButton.value = this.cUPDATETXT;
								}


								// Change the image size
								var eleProdImg = eleNewProdClone.firstChild.firstChild.firstChild;
								eleProdImg.src = eleProdImg.src.replace("&t=120x109", "&t=59x54");
								eleProdImg.setAttribute("width", "59");
								eleProdImg.setAttribute("height", "54");


								// Write the quantity to the input box
								var eleQty = headscapeDOM.getElementsByClassName("qtyInput", eleNewProdClone, "input")[0];
								if (eleQty) {
									eleQty.value = this.intQty;
								}


								// Create the row total element and add it to the HTML
								var eleRowTotal = document.createElement("div");
								Element.addClassName(eleRowTotal, "rowTotal");
								Element.update(eleRowTotal, "Total price paid: <strong>£" + this.mnyLineTotal + "</strong>");
								var eleProdInfo = headscapeDOM.getElementsByClassName("prodInfo", eleNewProdClone, "div")[0];
								var eleProdDiet = headscapeDOM.getElementsByClassName("prodDiet", eleNewProdClone, "div")[0];
								if (eleProdInfo && eleProdDiet) {
									eleProdInfo.insertBefore(eleRowTotal, eleProdDiet);
								}


								// Create the remove link
								var eleRemove = document.createElement("a");
								Element.addClassName(eleRemove, "remove");
								eleRemove.setAttribute("href", "?pid=" + this.intPid + "&qty=0&_basket=1");
								eleRemove.setAttribute("title", "Remove this item from the basket");
								Element.update(eleRemove, "Remove");
								var eleProdDesc = headscapeDOM.getElementsByClassName("prodDesc", eleNewProdClone, "div")[0];
								if (eleProdInfo && eleProdDesc) {
									eleProdInfo.insertBefore(eleRemove, eleProdDesc);
								}


								// Write it to the basket list
								var eleBasketList = $("prodList");
								eleBasketList.appendChild(eleNewProdClone);

								// Set the row colour (class=alt) of our new row

								// Add the event watcher
								wffBasket.watch();
							}
						}
					} else {
						blnIsBasketPage = true;

						// Update row total
						Element.update(eleRowPrice, "Total price paid: <strong>£" + this.mnyLineTotal + "</strong>");
					}

					var aryInputs = aryProds[i].getElementsByTagName("input");
					for (var x=0; x < aryInputs.length; x++) {
						// Change value in qty input
						if (aryInputs[x].name == "qty") aryInputs[x].value = this.intQty;

						// Change submit button text and class
						if ((aryInputs[x].name == "add") || (aryInputs[x].name == "add" + this.intPid)) {
							Element.removeClassName(aryInputs[x].parentNode, this.cADDCLASS);
							Element.addClassName(aryInputs[x].parentNode, this.cUPDATECLASS);
							aryInputs[x].value = this.cUPDATETXT;
							aryInputs[x].blur();
						}
					}
				}
			}


			// Update the homepage promo product(s) too if they exist
			if (aryHPProds != null) {
				for (i=0; i < aryHPProds.length; i++) {
					// Get a handle on the product title and quantity cells
					var aryCells = aryHPProds[i].getElementsByTagName("td");
					var eleTitleCell = aryCells[0];
					var eleQtyCell = aryCells[aryCells.length-1];

					if (eleTitleCell) {
						// Make sure the span isn't already there
						if (eleTitleCell.getElementsByTagName("span").length == 0) {
							var strProdTitle = eleTitleCell.innerHTML;
							Element.update(eleTitleCell, "<span class=\"inBasketTitle\" title=\"" + this.cPRODADDEDTITLE + "\">" + strProdTitle + "</span>");
						}
					}

					if (eleQtyCell) {
						// Update the input box number
						var aryInputs = eleQtyCell.getElementsByTagName("input");
						aryInputs[0].value = this.intQty;

						// Update the submit button text
						aryInputs[1].value = this.cUPDATETXT;
					}
				}
			}


			// SEO
			if (arySEOProds != null) {

				if (document.getElementById("pr" + this.intPid)) {
					document.getElementById("pr" + this.intPid).className = "prod pr" + this.intPid + " inBasket";

					// Change value in qty input and rename submit button
					var aryInputs = document.getElementById("pr" + this.intPid).getElementsByTagName("input");
					for (var x=0; x < aryInputs.length; x++) {
						if (aryInputs[x].name == "qty") aryInputs[x].value = this.intQty;
						if ((aryInputs[x].name == "add") || (aryInputs[x].name == "add" + this.intPid)) {
							aryInputs[x].value = "Change quantity";
							aryInputs[x].blur();
						}
					}

				}

				for (i=0; i < arySEOProds.length; i++) {

					if (this.intPid == arySEOProds[i].getAttribute("title")) {

						arySEOProds[i].className = "inBasket";

						var eltA = arySEOProds[i].childNodes[0].childNodes[0];
						var eltInputAdd = arySEOProds[i].childNodes[2].childNodes[0].childNodes[1].childNodes[0];
						var eltInputQty = arySEOProds[i].childNodes[2].childNodes[0].childNodes[0].childNodes[1];

						eltA.removeAttribute("title");
						Element.addClassName(eltA, "This product has been added to your shopping basket");
						eltInputAdd.value = 'Change Quantity';
						eltInputQty.value = this.intQty;

					}
				}

			}


			// Product details
			if (eltProdDetails != null) {
				var eltInputAdd = eltProdDetails.childNodes[2].childNodes[0];
				var eltInputQty = eltProdDetails.childNodes[1].childNodes[0].childNodes[1];

				eltInputQty.value = this.intQty
				eltInputAdd.value = this.cUPDATETXT;

				Element.addClassName(document.getElementById("productSummary"), this.cINBASKETDETAILCLASS);

			}

		}


		// Either way, if we are on the basket page we need to change the display of other elements too
		var eleGrandTotal = $("grdTotal");
		if (eleGrandTotal) {
			// Get handles on any existing elements
			var aryCheckoutLinks = headscapeDOM.getElementsByClassName("checkout", $("contentContainer"), "div");
			var aryWarnings = headscapeDOM.getElementsByClassName("warningDialog", $("contentContainer"), "div");
			// Check if the basket is empty
			if ((+this.mnyTotal) == 0) {
				// Hide the warning dialog
				for (var z=0; z < aryWarnings.length; z++) {
					if (aryWarnings[z].parentNode) aryWarnings[z].parentNode.removeChild(aryWarnings[z]);
				}

				// Remove the checkout link
				for (var z=0; z < aryCheckoutLinks.length; z++) {
					if (aryCheckoutLinks[z].parentNode) aryCheckoutLinks[z].parentNode.removeChild(aryCheckoutLinks[z]);
				}

				// Hide the grand total
				var eleGrandTotal = $("grdTotal");
				if (eleGrandTotal) eleGrandTotal.parentNode.removeChild(eleGrandTotal);

				// Change the WYSIWYG message to say the basket is empty
				var eleWYSIWYG = $("wysiwygMain").lastChild;
				if (eleWYSIWYG) {
					Element.update(eleWYSIWYG, "<p><strong>Your shopping basket is currently empty.</strong> To add items to your basket select a method below:</p><ul><li>Select a category from the <a href=\"#pNavigation\">main menu</a></li><li><a href=\"#search\">Search for a meal</a> using the search box provided</li><li>Select an item from your <a href=\"favourites.asp\">favourites list</a></li><li>Reorder a previous purchase by visiting <a href=\"account_details.asp\">your account section</a></li><li>Call your local franchisee on: <span class=\"tel\">" + this.strFranchisePhone + "</span></li></ul>");
				}
			} else {
				// Update the grand total
				Element.update(eleGrandTotal, "<p>Total price to pay <em>(free delivery)</em>: £" + this.mnyTotal + "</p>");

				// Add/remove checkout link or min price message
				if ((+this.mnyTotal) >= (+this.mnyMinOrderValue)) {
					// Show checkout link if it's not already there
					if (aryCheckoutLinks.length == 0) {
						var eleNewWarning = document.createElement("div");
						Element.addClassName(eleNewWarning, "checkout");
						Element.update(eleNewWarning, "<div class=\"corner1\"><div class=\"corner2\"><div class=\"corner3\"><div class=\"checkoutInst\"><strong>Ready to pay?</strong><p>Then click the button:</p></div><p class=\"checkoutButton\"><a href=\"https://" + location.host + "/user_login.asp\">Proceed to checkout</a></p></div></div></div>");

						var eleProdList = $("accountMan").nextSibling;
						if (eleProdList) eleProdList.parentNode.insertBefore(eleNewWarning, eleProdList);
					}

					// Hide the warning dialog
					for (var z=0; z < aryWarnings.length; z++) {
						if (aryWarnings[z].parentNode) aryWarnings[z].parentNode.removeChild(aryWarnings[z]);
					}
				} else {
					// Value is too low, show warning dialog if it's not already there
					if (aryWarnings.length == 0) {
						var eleNewWarning = document.createElement("div");
						Element.addClassName(eleNewWarning, "warningDialog");
						Element.update(eleNewWarning, "<div class=\"warning1\"><div class=\"warning2\"><h3>Minimum order not met</h3><p>Your <strong>minimum order value of £" + this.mnyMinOrderValue + "</strong> has not been reached. Please continue shopping.</p><p class=\"buttonY\"><a href=\"index.asp\">Continue shopping</a></p></div></div>");

						var eleProdList = $("prodList");
						eleProdList.parentNode.insertBefore(eleNewWarning, eleProdList);

						// Remove the checkout link
						for (var z=0; z < aryCheckoutLinks.length; z++) {
							if (aryCheckoutLinks[z].parentNode) aryCheckoutLinks[z].parentNode.removeChild(aryCheckoutLinks[z]);
						}
					}
				}
			}
		}
	}
	// ----------------------------------------------------------------------------
}
// ****************************************************************************






//
// JSON class for WFF Basket.
// ****************************************************************************
// Developer notes ::
// ** MDC : Initial creation
//
var wffBasket = {
	//
	// Get all the prod <form>s and attach new onSubmit event
	// to them.
	//
	// Developer notes ::
	// ** MDC : Initial creation
	//
	watch : function() {
		if (document.getElementById) {
			if (document.getElementById("prodList") || document.getElementById("productSummary") || document.getElementById("allProducts")) {
				var aryAddForms = headscapeDOM.getElementsByClassName("prodForm", document.getElementById("contentContainer"), "form");
alert("OK");
				for (var i=0; i < aryAddForms.length; i++) {
					// Check the form action is not #postcodeEntry - this would mean we are not logged in
					if (aryAddForms[i].getAttribute("action") != "#postcodeEntry") {
						// Add an event observer to this form onsubmit
						headscapeDOM.addEvent(aryAddForms[i], 'submit', this.add, false);
					}
				}
			}
		}
	},
	// ----------------------------------------------------------------------------


	//
	// ***DEPENDS ON PROTOTYPE***
	// If the postcode entry box is displayed flash it orange.
	//
	// Developer notes ::
	// ** MDC : Initial creation
	//
	flashPostcode : function() {
		if (document.getElementById) {
			var eleMiniBasket = $("basket");
			var elePostcodeEntry = $("postcodeEntry");
			if (elePostcodeEntry) {
				// Turn the basket orange
				Element.addClassName(eleMiniBasket, "active");

				// Wait a bit then turn it back to green
				setTimeout("wffBasket.flashPostcodeOff()", 1000)
			}
		}
	},
	// ----------------------------------------------------------------------------


	flashPostcodeOff : function() {
		if (document.getElementById) {
			var eleMiniBasket = $("basket");
			if (eleMiniBasket) {
				// Turn it green again
				Element.removeClassName(eleMiniBasket, "active");
			}
		}
	},


	//
	// ***DEPENDS ON PROTOTYPE***
	// Add/update a product or menu pack in the basket. Uses an Ajax call.
	//
	// Developer notes ::
	// ** MDC : Initial creation
	//
	add : function(e) {
		var frmAddForm;
		var intBid = 0;
		var intPid = 0;
		var intMid = 0;
		var strIP = "";
		var strZip = "";
		var strPage = "";

		// Get a handle on the form that was submitted
		if (window.event) {
			frmAddForm = window.event.srcElement;
		}
		else {
			if (e.target) {
				frmAddForm = e.target;
			}
			else {
				//fix on the homepage for Firefox
				frmAddForm = e.currentTarget;
			}
		}

//alert('frmAddForm.getAttribute(action) = ' + frmAddForm.getAttribute("action"));

		if (frmAddForm) {
			intBid = frmAddForm.bid.value;
			intPid = frmAddForm.pid.value;
			wffBasketProduct.intPid = intPid;
			intMid = frmAddForm.mid.value;
			intSid = frmAddForm.sid.value;
			intFid = frmAddForm.fid.value;
			wffBasketProduct.intQty = frmAddForm.qty.value;
			strIP = frmAddForm.ip.value;
			strZip = frmAddForm.zip.value;
			strPage = frmAddForm._page.value;

			// Ensure valid quantity
			if (!headscapeDOM.isInteger(wffBasketProduct.intQty)) wffBasketProduct.intQty = 1;
			if (wffBasketProduct.intQty.length == 0) wffBasketProduct.intQty = 1;
			if (isNaN(wffBasketProduct.intQty)) wffBasketProduct.intQty = 1;
			if (wffBasketProduct.intQty > 99) wffBasketProduct.intQty = 99;

			// Store the class name for later use
			var eleFormParentNode = frmAddForm.parentNode;
			if (eleFormParentNode.parentNode.className == "pr" + intPid) {
				eleFormParentNode = eleFormParentNode.parentNode;
			}


			if (eleFormParentNode.getAttribute("id")) {
				wffBasketProduct.strProdClass = headscapeDOM.trim(eleFormParentNode.className.replace(" alt", "").replace("prod ", "").replace(" inBasket", ""));

			}

			// Check if this product is new to the basket
			//SG (15/02/2007): fix for the home page which has different "ADD" id value
			if (frmAddForm.add) {
				var strSubmitText = frmAddForm.add.value;
			}
			else {
				eval("var strSubmitText = frmAddForm.add" + intPid + ".value");
			}

			if (strSubmitText == "Add to basket") {
				wffBasketProduct.blnFirstTimeAdded = true;
			} else {
				wffBasketProduct.blnFirstTimeAdded = false;
			}



			// Flash the basket while we do the Ajax to show something is happening
			Element.addClassName($("basket"), "active");

			// Call the API using XHT (PROTOTYPE)
			var strURL = location.protocol + "//" + location.host + "/api/basket.api.asp";
			var strParams = "action=add&bid=" + intBid + "&pid=" + intPid + "&mid=" + intMid + "&sid=" + intSid + "&fid=" + intFid + "&qty=" + wffBasketProduct.intQty + "&ip=" + strIP + "&zip=" + strZip + "&_page=" + strPage;
			var objAjax = new Ajax.Request(strURL, {method: "post", parameters: strParams, onComplete: wffBasket.redraw});

			// Stop the form submitting
			if (window.event) {
				window.event.cancelBubble = true;
				window.event.returnValue = false;
			}
			if (e && e.stopPropagation && e.preventDefault) {
				e.stopPropagation();
				e.preventDefault();
			}

			return false;
		}
	},
	// ----------------------------------------------------------------------------


	//
	// ***DEPENDS ON PROTOTYPE***
	// Redraw the basket based on the Ajax call. Cannot be called directly.
	//
	// Developer notes ::
	// ** MDC : Initial creation
	//
	redraw : function(objResponse) {
		if (document.getElementById) {
			// Collect the JSON object from the API call
			eval("var wffAPIResponse = " + objResponse.responseText);

			// For some reason (content encoding?) the £ sign comes back as a weird character which we need to strip
			wffAPIResponse.mnyTotal = wffAPIResponse.mnyTotal.substring(1, wffAPIResponse.mnyTotal.length).replace(",", "");
			wffAPIResponse.mnyLineTotal = wffAPIResponse.mnyLineTotal.substring(1, wffAPIResponse.mnyLineTotal.length);
			wffAPIResponse.mnyMinOrderValue = wffAPIResponse.mnyMinOrderValue.substring(1, wffAPIResponse.mnyMinOrderValue.length);

			// Remember the totals for later use
			wffBasketProduct.mnyLineTotal = wffAPIResponse.mnyLineTotal;
			wffBasketProduct.mnyTotal = wffAPIResponse.mnyTotal;
			wffBasketProduct.mnyMinOrderValue = wffAPIResponse.mnyMinOrderValue;
			wffBasketProduct.strFranchisePhone = wffAPIResponse.strFranchisePhone;
			wffBasketProduct.intQty = wffAPIResponse.intLineQty;

			// Get a handle on divs we need to update
			var eleBasket = $("basket");

			// IE does not count text as DOM element but FF does! So for IE it's 1-0 and FF is 3-1
			if (eleBasket.childNodes.length == 2) {
				var eleBasketText = eleBasket.childNodes[1].childNodes[0]; // Get the first LI of the list
				//var eleBasketCheckoutLink = eleBasket.childNodes[1].childNodes[2].childNodes[0];
			} else {
				var eleBasketText = eleBasket.childNodes[3].childNodes[1]; // Get the first LI of the list
				//var eleBasketCheckoutLink = eleBasket.childNodes[3].childNodes[5].childNodes[0];
			}
			//SG (15/02/2007): fix for safari, get the checkout link by id instead of getting it by browsing the dom tree
			//...and add an id in the _basket.asp file
			var eleBasketCheckoutLink = $("eleBasketCheckoutLink");

			// Rewrite the descriptive text - not very "DOM" but so much simpler!
			var strItems = "items";
			if (wffAPIResponse.intProdCount == 1) strItems = "item"
			Element.update(eleBasketText, "<strong>" + wffAPIResponse.intProdCount + "</strong> " + strItems + " [<strong>£" + wffAPIResponse.mnyTotal + "</strong>] in your basket");

			// Change checkout href if min order value is reached/breached
			var dblTotal = (+wffAPIResponse.mnyTotal); // Cast as number in the fastest way possible
			var dblMin = (+wffAPIResponse.mnyMinOrderValue);
			if (dblTotal < dblMin) {
				eleBasketCheckoutLink.href = "basket.asp"
			} else {
				eleBasketCheckoutLink.href = "https://" + location.host + "/user_login.asp"
			}

			// Update the basket cookie (ID and count) from encrypted API return values
			headscapeDOM.setSubCookie("WFF", "B", wffAPIResponse.strBidEnc);
			headscapeDOM.setSubCookie("WFF", "I", wffAPIResponse.strProdCountEnc);

			// Update all hidden basket ID fields on this page with returned ID
			var aryBasketIDFields = headscapeDOM.getElementsByClassName("bid", null, "input");
			for (var i=0; i < aryBasketIDFields.length; i++) {
				aryBasketIDFields[i].value = wffAPIResponse.intBid;
			}

//alert('1. Not bad');

			// Update the display of the prod/MP. The prod could display more than once on this page.
			wffBasketProduct.redrawProduct();

//alert('2. Not bad');

			// Un-flash the basket
			setTimeout("wffBasket.flashOff()", 1000)
		}
	},
	// ----------------------------------------------------------------------------

	flashOff : function() {
		Element.removeClassName($("basket"), "active");
	}
}
// ****************************************************************************

















//
// JSON class for WFF FAQ.
// Deals with the expanding and collapsing of FAQs
// ****************************************************************************
// Developer notes ::
// ** SG : Initial creation
//
var wffFAQ = {
	//
	// This does the initial hiding of the answers
	//
	// Developer notes ::
	// ** SG : Initial creation
	//
	hideanswers : function() {
		if (document.getElementById) {
			var aryFaqAnswers = headscapeDOM.getElementsByClassName("lAnswer", document.getElementById("rsList"), "div");
			for (var i=0; i < aryFaqAnswers.length; i++) {
				aryFaqAnswers[i].style.display = 'none';
			}
		}
	},
	// ----------------------------------------------------------------------------


	//
	// Hide or show the given FAQ.
	//
	// Developer notes ::
	// ** SG : Initial creation
	//
	expandOrCollapse : function(e) {
		if (window.event) {
			var whichlink = window.event.srcElement;
		}
		else
		{
			var whichlink = e.target;
		}

		while (whichlink.nodeName.toLowerCase() != 'a' && whichlink.nodeName.toLowerCase() != 'body') {
			whichlink = whichlink.parentNode;
		}

		var findanswer = whichlink.parentNode.getElementsByTagName("div");
		for (var i=0; i < findanswer.length; i++) {
			if (findanswer[i].className.match("lAnswer"))  {
				if (findanswer[i].style.display.match("none"))  {
					findanswer[i].style.display = 'block';
				}
				else  {
					findanswer[i].style.display = 'none';
				}
			}
		}

		if (window.event) {
			window.event.cancelBubble = true;
			window.event.returnValue = false;
		}
		if (e && e.stopPropagation && e.preventDefault) {
			e.stopPropagation();
			e.preventDefault();
		}

	},
	// ----------------------------------------------------------------------------


	//
	// Call the handler function when an FAQ is clicked.
	//
	// Developer notes ::
	// ** SG : Initial creation
	//
	watch : function(e) {
		var blnReturnValue = false;
		if (document.getElementById) {
			var aryFaqQuestions = headscapeDOM.getElementsByClassName("lQuestion", document.getElementById("rsList"), "a");
			for (var i=0; i < aryFaqQuestions.length; i++) {
				headscapeDOM.addEvent(aryFaqQuestions[i], 'click', wffFAQ.expandOrCollapse, false);
				blnReturnValue = true;
			}
		}
		return blnReturnValue;
	}
	// ----------------------------------------------------------------------------

}
// ****************************************************************************




//
// JSON class for WFF Menu Pack.
// Deals with the expanding and collapsing of Menu Packs
// ****************************************************************************
// Developer notes ::
// ** SG : Initial creation
//
var wffMenuPack = {
	//
	// This does the initial hiding of the answers
	//
	// Developer notes ::
	// ** SG : Initial creation
	//
	hide : function() {
		if (document.getElementById) {
			var aryMenuPackDetails = headscapeDOM.getElementsByClassName("prodBox", document.getElementById("prodList"), "div");
			for (var i=0; i < aryMenuPackDetails.length; i++) {
				aryMenuPackDetails[i].style.display = 'none';
			}
		}
	},
	// ----------------------------------------------------------------------------


	//
	// This controls what happens when a click occurs
	//
	// Developer notes ::
	// ** SG : Initial creation
	//
	expandOrCollapse : function (e) {
		if (window.event) {
			var whichlink = window.event.srcElement;
		}
		else
		{
			var whichlink = e.target;
		}

		while (whichlink.nodeName.toLowerCase() != 'a' && whichlink.nodeName.toLowerCase() != 'body') {
			whichlink = whichlink.parentNode;
			//alert('whichlink.nodeName.toLowerCase() = ' + whichlink.nodeName.toLowerCase());
		}
		whichlink = whichlink.parentNode;
		whichlink = whichlink.parentNode;

		var findanswer = whichlink.parentNode.getElementsByTagName("div");

		for (var i=0; i < findanswer.length; i++) {
			if (findanswer[i].className.match("prodBox"))  {
				if (findanswer[i].style.display.match("none"))  {
					findanswer[i].style.display = 'block';
				}
				else  {
					findanswer[i].style.display = 'none';
				}
			}
		}

		if (window.event) {
			window.event.cancelBubble = true;
			window.event.returnValue = false;
		}
		if (e && e.stopPropagation && e.preventDefault) {
			e.stopPropagation();
			e.preventDefault();
		}

	},
	// ----------------------------------------------------------------------------


	//
	// This listens for the click using the addEvent function
	//
	// Developer notes ::
	// ** SG : Initial creation
	//
	watch : function(e) {
		var blnReturnValue = false;
		if (document.getElementById) {
			var aryMenuPackNames = headscapeDOM.getElementsByClassName("prodExpand", document.getElementById("prodList"), "div");
			for (var i=0; i < aryMenuPackNames.length; i++) {
				headscapeDOM.addEvent(aryMenuPackNames[i].firstChild, 'click', wffMenuPack.expandOrCollapse, false);
				blnReturnValue = true;
			}
		}
		return blnReturnValue;
	}
	// ----------------------------------------------------------------------------

}
// ****************************************************************************
























































//
// JSON class for Order Confirmation
// Prevents the user clicking submit more than once
// ****************************************************************************
// Developer notes ::
// ** MDC : Initial creation
//
var wffOrderConf = {
	blnHasSubmitted : false,


	//
	// Listens for the form submission.
	//
	// Developer notes ::
	// ** MDC : Initial creation
	//
	watch : function(e) {
		if (document.getElementById) {
			var eleConfirmForm = document.getElementById("specialF");
			if (eleConfirmForm) {
				headscapeDOM.addEvent(eleConfirmForm, 'submit', this.stopSubmission, false);
			}
		}
	},
	// ----------------------------------------------------------------------------


	//
	// Prevents form submission when the form has been submitted once already.
	//
	// Developer notes ::
	// ** MDC : Initial creation
	//
	stopSubmission : function(e) {
		// Check if we've submitted the form before
		if (!this.blnHasSubmitted) {
			// Allow the submission
			this.blnHasSubmitted = true;
			return true;
		} else {
			// Stop the form submitting
			if (window.event) {
				window.event.cancelBubble = true;
				window.event.returnValue = false;
			}
			if (e && e.stopPropagation && e.preventDefault) {
				e.stopPropagation();
				e.preventDefault();
			}
			return false;
		}
	}
	// ----------------------------------------------------------------------------

}
// ****************************************************************************



//
// JSON class for User Login
// Prevents the user clicking submit more than once
// ****************************************************************************
// Developer notes ::
// ** MDC : Initial creation
//
var wffUserLogin = {
	blnHasSubmitted : false,


	//
	// Listens for the form submission.
	//
	// Developer notes ::
	// ** MDC : Initial creation
	//
	watch : function(e) {
		if (document.getElementById) {
			var eleConfirmForm = document.getElementById("existCustForm");
			if (eleConfirmForm) {
				headscapeDOM.addEvent(eleConfirmForm, 'submit', this.stopSubmission, false);
			}
		}
	},
	// ----------------------------------------------------------------------------


	//
	// Prevents form submission when the form has been submitted once already.
	//
	// Developer notes ::
	// ** MDC : Initial creation
	//
	stopSubmission : function(e) {
		// Check if we've submitted the form before
		if (!this.blnHasSubmitted) {
			// Allow the submission
			this.blnHasSubmitted = true;
			return true;
		} else {
			// Stop the form submitting
			if (window.event) {
				window.event.cancelBubble = true;
				window.event.returnValue = false;
			}
			if (e && e.stopPropagation && e.preventDefault) {
				e.stopPropagation();
				e.preventDefault();
			}
			return false;
		}
	}
	// ----------------------------------------------------------------------------

}
// ****************************************************************************





//
// JSON class for Contact us
// Prevents the user clicking submit more than once
// ****************************************************************************
// Developer notes ::
// ** MDC : Initial creation
//
var wffContactUs = {
	blnHasSubmitted : false,


	//
	// Listens for the form submission.
	//
	// Developer notes ::
	// ** MDC : Initial creation
	//
	watch : function(e) {
		if (document.getElementById) {
			var eleConfirmForm = document.getElementById("feedback");
			if (eleConfirmForm) {
				headscapeDOM.addEvent(eleConfirmForm, 'submit', this.stopSubmission, false);
			}
		}
	},
	// ----------------------------------------------------------------------------


	//
	// Prevents form submission when the form has been submitted once already.
	//
	// Developer notes ::
	// ** MDC : Initial creation
	//
	stopSubmission : function(e) {
		// Check if we've submitted the form before
		if (!this.blnHasSubmitted) {
			// Allow the submission
			this.blnHasSubmitted = true;
			return true;
		} else {
			// Stop the form submitting
			if (window.event) {
				window.event.cancelBubble = true;
				window.event.returnValue = false;
			}
			if (e && e.stopPropagation && e.preventDefault) {
				e.stopPropagation();
				e.preventDefault();
			}
			return false;
		}
	}
	// ----------------------------------------------------------------------------

}
// ****************************************************************************



//
// JSON class for Send to a Friend
// Prevents the user clicking submit more than once
// ****************************************************************************
// Developer notes ::
// ** MDC : Initial creation
//
var wffSendFriend = {
	blnHasSubmitted : false,


	//
	// Listens for the form submission.
	//
	// Developer notes ::
	// ** MDC : Initial creation
	//
	watch : function(e) {
		if (document.getElementById) {
			var eleConfirmForm = document.getElementById("sendFriend");
			if (eleConfirmForm) {
				headscapeDOM.addEvent(eleConfirmForm, 'submit', this.stopSubmission, false);
			}
		}
	},
	// ----------------------------------------------------------------------------


	//
	// Prevents form submission when the form has been submitted once already.
	//
	// Developer notes ::
	// ** MDC : Initial creation
	//
	stopSubmission : function(e) {
		// Check if we've submitted the form before
		if (!this.blnHasSubmitted) {
			// Allow the submission
			this.blnHasSubmitted = true;
			return true;
		} else {
			// Stop the form submitting
			if (window.event) {
				window.event.cancelBubble = true;
				window.event.returnValue = false;
			}
			if (e && e.stopPropagation && e.preventDefault) {
				e.stopPropagation();
				e.preventDefault();
			}
			return false;
		}
	}
	// ----------------------------------------------------------------------------

}
// ****************************************************************************




//
// JSON class for input field behaviour
// ****************************************************************************
// Developer notes ::
// ** MDC : Initial creation
//
var headscapeInputs = {

	cFOCUSCLASS : "sffocus",

	//
	// Assigns event handlers to text input fields - just for IE
	//
	// Developer notes ::
	// ** MDC : Initial creation
	//
	watch : function(e) {
		if (document.getElementsByTagName && document.all) {
			var aryInputs = document.getElementsByTagName("input");

			for (var i=0; i<aryInputs.length; i++) {
				if (aryInputs[i].getAttribute("type") == "text") {
					headscapeDOM.addEvent(aryInputs[i], 'focus', this.toggleFocus, false);
					headscapeDOM.addEvent(aryInputs[i], 'blur', this.toggleFocus, false);
				}
			}
		}
	},
	// ----------------------------------------------------------------------------


	//
	// ***DEPENDS ON PROTOTYPE***
	// Switches the focus style of an input
	//
	// Developer notes ::
	// ** MDC : Initial creation
	//
	toggleFocus : function(e) {
		// Get a handle on the input that was focussed/blurred
		if (window.event) {
			var eleInput = window.event.srcElement;
		}
		else {
			var eleInput = e.target;
		}
		e = e || window.event;
		var eventType = e.type;

		if (eleInput) {
			if (!Element.hasClassName(eleInput, "postcode")) {
				if (eventType == "blur") {
					Element.removeClassName(eleInput, headscapeInputs.cFOCUSCLASS);
				} else {
					Element.addClassName(eleInput, headscapeInputs.cFOCUSCLASS);
				}
			}
		}
	}
	// ----------------------------------------------------------------------------

}
// ****************************************************************************




//
// JSON class for "shop by diet" filtering
// ****************************************************************************
// Developer notes ::
// ** MDC : Initial creation
//
var wffDietFilter = {

	cDIETCOOKIE : "WFFHideDiet",
	hshDietNames : new HashTable("fDietDiabetic", "suitable for diabetics", "fDietLowFat", "low fat", "fDietGlutenFree", "gluten-free", "fDietVeg", "vegetarian", "fDietRedSalt", "reduced salt", "fDietModSalt", "moderate salt", "fDietOther", ""),
	hshDietCookies : new HashTable("suitable for diabetics", "Diabetic", "low fat", "LowFat", "gluten-free", "Gluten", "vegetarian", "Veg", "reduced salt", "RedSalt", "moderate salt", "ModSalt", "", "Other"),
	hshDietIndexes : new HashTable("suitable for diabetics", 0, "low fat", 1, "gluten-free", 2, "vegetarian", 3, "reduced salt", 4, "moderate salt", 5, "", 6),
	aryCookies : new Array("", "", "", "", "", "", ""),

	blnImRunning : false,



	//
	// Initialises local cookie mirror array
	//
	// Developer notes ::
	// ** MDC : Initial creation
	//
	init : function() {
		// Set a local array to store the cookie values to save us looking them up every time
		this.aryCookies[0] = headscapeDOM.getSubCookie(this.cDIETCOOKIE, "Diabetic");
		this.aryCookies[1] = headscapeDOM.getSubCookie(this.cDIETCOOKIE, "LowFat");
		this.aryCookies[2] = headscapeDOM.getSubCookie(this.cDIETCOOKIE, "Gluten");
		this.aryCookies[3] = headscapeDOM.getSubCookie(this.cDIETCOOKIE, "Veg");
		this.aryCookies[4] = headscapeDOM.getSubCookie(this.cDIETCOOKIE, "RedSalt");
		this.aryCookies[5] = headscapeDOM.getSubCookie(this.cDIETCOOKIE, "ModSalt");
		this.aryCookies[6] = headscapeDOM.getSubCookie(this.cDIETCOOKIE, "Other");

		// Assign event handlers
		this.watch();
	},
	// ----------------------------------------------------------------------------



	//
	// Assigns event handlers to diet filter checkboxes
	//
	// Developer notes ::
	// ** MDC : Initial creation
	//
	watch : function(e) {
		if (document.getElementById) {
			var eleFilter = $("filter");
			var eleUpdateButton = $("updateWrapper");

			if (eleFilter) {
				var aryCheckboxes = eleFilter.getElementsByTagName("input");

				for (var i=0; i<aryCheckboxes.length; i++) {
					if (aryCheckboxes[i].getAttribute("type") == "checkbox") {
						headscapeDOM.addEvent(aryCheckboxes[i], 'click', this.toggleVisible, false);
					}
				}

				if (eleUpdateButton) {
					Element.hide(eleUpdateButton);
				}
			}
		}
	},
	// ----------------------------------------------------------------------------




	getDietsArray : function(strTitle) {
		var aryReturn = new Array(false, false, false, false, false, false, false);

		if (strTitle.length > 0) {
			var aryTitles = strTitle.split(", ");
			for (var i=0; i<aryTitles.length; i++) {
				aryReturn[this.hshDietIndexes.getItem(aryTitles[i])] = true;
			}
		}

		return aryReturn;
	},



	toggleVisible : function(e) {
		if (!wffDietFilter.blnImRunning) {
			wffDietFilter.blnImRunning = true;

			// Get a handle on the checkbox that was clicked
			if (window.event) {
				var eleInput = window.event.srcElement;
			}
			else {
				var eleInput = e.target;
			}

			if (eleInput) {
				var strCheckboxName = eleInput.getAttribute("name");
				var blnJustChecked = eleInput.checked;
				var strTitle = wffDietFilter.hshDietNames.getItem(strCheckboxName);
				var strSubCookie = wffDietFilter.hshDietCookies.getItem(strTitle);
				var intSubCookieIndex = wffDietFilter.hshDietIndexes.getItem(strTitle);
				var eleInputLi = eleInput.parentNode;
				var eleNotification = $("notification")

				// Set the cookie and our local array store to remember this preference
				var strCookieValue = 1;
				if (blnJustChecked) strCookieValue = "";
				headscapeDOM.setSubCookie(wffDietFilter.cDIETCOOKIE, strSubCookie, strCookieValue);
				wffDietFilter.aryCookies[intSubCookieIndex] = strCookieValue;

				// Pick up all the products which now need to be shown or hidden
				var aryProducts = $("prodList").childNodes;
				for (var x=0; x<aryProducts.length; x++) {
					// Skip text nodes
					if (aryProducts[x].nodeType != 1) continue;
					// Skip the error msg list item
					if (!Element.hasClassName(aryProducts[x], "prod")) continue;

					var blnShowOrHide = false;
					var strProdTitle = aryProducts[x].getAttribute("title");
					if (strProdTitle == null) strProdTitle = "";

					if (strTitle == strProdTitle) {
						// Other/single diet
						blnShowOrHide = true;
					} else if (strProdTitle.indexOf(", ")) {
						// Multiple diets
						var aryTitles = wffDietFilter.getDietsArray(strProdTitle);

						// Compare titles with cookies to see if we need to show or hide this prod
						for (var i=0; i<aryTitles.length; i++) {
							if (blnJustChecked) {
								// Showing - just match one
								if (aryTitles[i] && wffDietFilter.aryCookies[i] == "") {
									blnShowOrHide = true;
									break;
								}
							} else {
								// Hiding - match all
								if (aryTitles[i] && wffDietFilter.aryCookies[i] == "") {
									blnShowOrHide = false;
									break;
								} else {
									blnShowOrHide = true;
								}
							}
						}
					}

					// If we need to, show or hide this product
					if (blnShowOrHide) {
						if (blnJustChecked) {
							Element.show(aryProducts[x]);
						} else {
							Element.hide(aryProducts[x]);
						}
					}
				} // End loop

				// Change the style of the checkbox
				if (blnJustChecked) {
					Element.removeClassName(eleInputLi, "unchecked");
					if (!Element.hasClassName(eleInputLi, "checked")) Element.addClassName(eleInputLi, "checked");
				} else {
					Element.removeClassName(eleInputLi,	"checked");
					if (!Element.hasClassName(eleInputLi, "unchecked")) Element.addClassName(eleInputLi, "unchecked");
				}

				// Update the row alt colours and count how many products are still visible
				var intVisibleProdCount = 1;
				for (var y=0; y<aryProducts.length; y++) {
					if (aryProducts[y].nodeType == 1) {
						if (aryProducts[y].style.display != "none" && Element.hasClassName(aryProducts[y], "prod")) {
							if (intVisibleProdCount % 2) {
								Element.addClassName(aryProducts[y], "alt");
							} else {
								Element.removeClassName(aryProducts[y], "alt");
							}
							intVisibleProdCount++;
						}
					}
				}

				var eleProdList = $("prodList");
				var eleNoResults = $("noResults");
				// If there are no products visible, display the message li
				if (intVisibleProdCount == 1) {
					if (!eleNoResults) {
						var eleErrorLi = document.createElement("li");
						Element.addClassName(eleErrorLi, "warningDialog");
						eleErrorLi.setAttribute("id", "noResults");
						Element.update(eleErrorLi, "<div class=\"warning1\"><div class=\"warning2\"><h3>No meals found</h3><p>We cannot find any meals that match your current options. We recommend you try one of the options below:</p><ul><li>Change the options you have selected in <a href=\"#filter\">the dietary box</a> above</li><li>Select from one of the categories listed to the left</li><li>Or call us on <span class=\"tel\">(01225 756019)</span></li></ul></div></div>");

						// Attach the new list item
						eleProdList.appendChild(eleErrorLi);
					}
				} else {
					// Hide the error message
					if (eleNoResults) {
						eleProdList.removeChild(eleNoResults);
					}
				}

				// Notify the user
				if (strTitle.length == 0) strTitle = "No special requirements"
				if (blnJustChecked) {
					Element.update(eleNotification, "<p>The following change has been made: " + strTitle + " now shown</p>");
				} else {
					Element.update(eleNotification, "<p>The following change has been made: " + strTitle + " now hidden</p>");
				}

				// Flash
				eleNotification.style.backgroundColor = "#FDCB5D";
				setTimeout("wffDietFilter.flashOff()", 2000);
			}
			wffDietFilter.blnImRunning = false;
		}
	},
	// ----------------------------------------------------------------------------


	//
	// ***DEPENDS ON PROTOTYPE***
	// Un-flashes the diet filter notification bar
	//
	// Developer notes ::
	// ** MDC : Initial creation
	//
	flashOff : function() {
		$("notification").style.backgroundColor = "#FFFFFF";
	}
	// ----------------------------------------------------------------------------

}
// ****************************************************************************




//
// Load the functions we need immediately.
//
// Developer notes ::
// ** MDC : Initial creation
//
window.onload = function() {
	// Make sure we have a basket before we add Ajax
	if (headscapeDOM.getSubCookie("WFF", "B")) {
		wffBasket.watch();
	}

	// Flash the postcode entry
	wffBasket.flashPostcode();

	// FAQs
	if (wffFAQ.watch()) wffFAQ.hideanswers();

	// Menu packs
	if (wffMenuPack.watch()) wffMenuPack.hide();

	// Order confirmation form submission
	wffOrderConf.watch();

	// User login form submission
	wffUserLogin.watch();

	// Input focus
//	headscapeInputs.watch();

	// Diet filter
//	wffDietFilter.init();

	// External links
	headscapeDOM.externalLinks();
}
// ----------------------------------------------------------------------------