/*

Trout.com.au

Author: Fred Wu

*/

$(document).ready(function(){
	
	/*------------------------------------------------------------
		Shared
	------------------------------------------------------------*/
	
	// $("a[@rel*=lightbox]").livequery(function(){
	// 	$(this).lightBox({
	// 		imageLoading: base_url + 'media/img/jquery.lightbox/lightbox-ico-loading.gif',
	// 		imageBtnClose: base_url + 'media/img/jquery.lightbox/lightbox-btn-close.gif',
	// 		imageBtnPrev: base_url + 'media/img/jquery.lightbox/lightbox-btn-prev.gif',
	// 		imageBtnNext: base_url + 'media/img/jquery.lightbox/lightbox-btn-next.gif',
	// 		imageBlank: base_url + 'media/img/jquery.lightbox/lightbox-blank.gif'
	// 	});
	// });
	
	$("a[href=#]").livequery(function(){
		$(this).click(function(){
			$("div#flash_msg p").fadeOut("slow");
			return false;
		});
	});
	
	$("table a.remove").livequery(function(){
		$(this).fadeTo(0, 0.3).mouseover(function(){
			$(this).fadeTo(300, 1);
		}).mouseout(function(){
			$(this).fadeTo(300, 0.3);
		});
	});
	
	$("#tabs > ul").livequery(function(){
		$(this).tabs();
	});
	
	$("p.close-popup a").livequery(function(){
		$(this).click(function(){
			$(this).parent().parent().fadeOut();
		});
	});
	
	$(".pagination_target").livequery(function(){
		var total_num = $("#pagination_items_total").attr("rel");
		/*
		var setPage = new RegExp('[\\?&]' + 'page' + '=([^&#]*)').exec(window.location.href);
		if(setPage[1])
		{
			var current_page = setPage[1] - 1;
		}
		else
		{
			var current_page = 	;
		}
		*/		
		if (total_num > 0)
		{
			$("div#pagination").show().pagination(total_num, {
				// note: the pagination plugin's first page starts with 0 instead of 1
				current_page: $("#pagination_current_page").attr("rel") - 1,
				num_display_entries: 4,
				num_edge_entries: 1,
				items_per_page: $("#pagination_items_per_page").attr("rel"),
				callback: function(page_id, jq){
					var current_page = page_id + 1;
					if ($("#pagination_callback").length)
					{
						eval($("#pagination_callback").attr("rel"))(current_page);
					}
					return false;
				}
			});
		}
		else
		{
			$("div#pagination").hide();
		}
	});
	


	
	$("a.del_parent").livequery(function(){
		$(this).fadeTo(0, 0.3).mouseover(function(){
			$(this).fadeTo(300, 1);
		}).mouseout(function(){
			$(this).fadeTo(300, 0.3);
		});
	});
	
	$("a.del_child").livequery(function(){
		$(this).fadeTo(0, 0).mouseover(function(){
			$(this).fadeTo(300, 1);
		}).mouseout(function(){
			$(this).fadeTo(300, 0);
		});
	});
	
	// colour picker
	$("input.colour_picker").livequery(function(){
		var self = this;
		if (self.value.length == 6)
		{
			$(self).css('backgroundColor', '#' + self.value);
		}
		
		$(self).change(function(){
			$(self).css('backgroundColor', '#' + self.value);
		});
		
		$(self).ColorPicker({
			onBeforeShow: function () {
				$(self).ColorPickerSetColor(self.value);
			},
			onShow: function (colpkr) {
				$(colpkr).fadeIn("fast");
				return false;
			},
			onHide: function (colpkr) {
				$(colpkr).fadeOut("fast");
				return false;
			},
			onChange: function (hsb, hex, rgb) {
				$(self).val(hex);
				$(self).css('backgroundColor', '#' + hex);
			},
			onSubmit: function(hsb, hex, rgb) {
				$(self).val(hex);
				$(self).css('backgroundColor', '#' + hex);
			}
		})
		.bind('keyup', function(){
			$(self).ColorPickerSetColor(self.value);
		});
	});
	
	// product search
	$("form#product_search").validate({
		errorElement: "span",
		errorLabelContainer: "div#search_error_msg",

		rules: {
			keyword: {
				required: true,
				minlength: 3
			}
		},

		messages: {
			keyword: {
				required: "Please enter some keywords."
			}
		}
	});
	
	function show_msg(msg) {
		$("div#msg").text(msg).fadeIn().animate({opacity: 1.0}, 2000).fadeOut();
	}
	
	function show_flash_msg(msg) {
		$("div#flash_msg").html("<p>" + msg + "</p>").fadeIn();
	}
	
	function trim(str)
	{
		return str.replace(/^\s\s*/, '').replace(/\s\s*$/, '');
	}
	
	/*------------------------------------------------------------
		Page - Dashbaord
	------------------------------------------------------------*/
	
	$("body#admin_dashboard").livequery(function(){
		reload_site_list();
	});
	
	$("a#add_site").livequery(function(){
		$(this).click(function(){
			$("div#add_site_div").fadeIn();
		});
	});
	
	$("a#add_site_cancel").livequery(function(){
		$(this).click(function(){
			$("div#add_site_div").fadeOut();
		});
	});
	
	$("ul#site_list a.del").livequery(function(){
		$(this).click(function(){
			if (confirm('Are you sure you want to remove this site?'))
			{
				$.post(base_url + "admin/remove_site", {
					permalink: $(this).attr("rel")
				}, function(){
					reload_site_list();
				});
			}
		});
	});
	
	$("a#add_site_submit").livequery(function(){
		$(this).click(function(){
			$.post(base_url + "admin/add_site", {
				site_name: $(this).parent().prev().val()
			}, function(){
				reload_site_list();
				$("div#add_site_div").fadeOut();
			});
		});
	});
	
	function reload_site_list()
	{
		$.post(base_url + "admin/render_site_list_partial", {
			action: "reload"
		}, function(data){
			$("ul#site_list").html(data);
		});
	}
	
	/*------------------------------------------------------------
		Page - Categories
	------------------------------------------------------------*/
	
	$("body.body_categories").livequery(function(){
		
		// drag n' drop

		$(".draggable").livequery(function(){
			$(this).draggable({
				helper: 'clone',
				revert: 'invalid'
			});
		});

		$(".droppable").livequery(function(){
			$(this).droppable({
				accept: ".draggable",
				activeClass: 'droppable-active',
				hoverClass: 'droppable-hover',
				drop: function(ev, ui) {
					ui.draggable.fadeOut().fadeIn().fadeOut().fadeIn().appendTo($('ul', this));

					$.post(this.location, {
						action: "move",
						child_id: ui.draggable.attr("rel"),
						parent_id: $(this).attr("rel")
					});
				}
			});
		});

		// jEditable

		$("ul#categories li span").livequery(function(){
			$(this).editable(base_url + 'admin/edit_category', { 
				indicator : "<img src='" + base_url + "static/img/ajax-loader.gif' />",
				tooltip   : "Double click to edit",
				event     : "dblclick",
				submit    : 'OK',
				callback  : function() { $(this).parent().fadeOut().fadeIn(); }
			});
		});
		
		// add

		$("li.add_category > a").livequery(function(){
			$(this).click(function(){
				var parent_id = $(this).attr("rel");

				$("div.add_category_div").fadeOut();
				$("div.add_category_div[rel=" + parent_id + "] input[name=name]").val("");
				$("div.add_category_div[rel=" + parent_id + "] a").show();
				$("div.add_category_div[rel=" + parent_id + "] span.loading").remove();
				$("div.add_category_div[rel=" + parent_id + "]").fadeIn();
			});
		});
		
		$("li.add_category a.add_category_cancel").livequery(function(){
			$(this).click(function(){
				$(this).parent().parent().fadeOut();
			});
		});
		
		$("div.add_category_div a.add_category_submit").livequery(function(){
			$(this).click(function(){
				var self = this;
				var parent_id = $(this).parent().parent().attr("rel");
				
				$(self).hide().before("<span class='loading'>loading...</span>"); // prevent from multiple clicks
				
				$.post(base_url + 'admin/add_category', {
					site_id: $("ul#categories").attr("rel"),
					parent_id: parent_id,
					category_name: $(this).parent().prev().val()
				}, function(data){
					$(self).parent().parent().fadeOut(function(){
						$(self).parent().parent().parent().before(data);
					});
				});
			});
		});

		// delete

		$("a.del").livequery(function(){
			$(this).click(function(){
				if (confirm('Are you sure you want to remove this category?'))
				{
					$.post(this.location, {
						action: "remove",
						id: $(this).parent().attr("rel")
					});
					
					$(this).parent().fadeOut();
				}
			});
		});
	});
	
	/*------------------------------------------------------------
		Page - Products
	------------------------------------------------------------*/
	
	$("body.body_products").livequery(function(){
		
		// cateogires

		$("ul#parent_categories li:first-child a").livequery(function(){
			var first_parent_category_id = $(this).attr("rel");
			$("ul#parent_categories li a[rel=" + first_parent_category_id + "]").addClass("current");
			$("ul#in_parent_category_" + first_parent_category_id).show();
		});
		
		invoke_category_list_partial(window.location.hash);
		
		if (window.location.hash == 0 || window.location.hash == '')
		{
			var category_id = 0;
		}
		else
		{
			var category_id = window.location.hash.substring(1);
		}
		
		var setPage = new RegExp('[\\?&]' + 'page' + '=([^&#]*)').exec(window.location.href);
		
		
		if(setPage != null)
		{
			var setpage = setPage[1];
		}
		else
		{
			var setpage = 1;
		}

		
		invoke_product_list_partial(category_id,setpage);
		$("ul.child_categories").livequery(function(){
			$("ul.child_categories li a[rel=" + category_id + "]").addClass("current");
			
			var parent_id = $("ul.child_categories li a[rel=" + category_id + "]").parent().parent().attr("rel");
			$("ul#parent_categories li a").removeClass("current");
			$("ul#parent_categories li a[rel=" + parent_id + "]").livequery(function(){
				$(this).addClass("current");
			});
			
			$("ul#in_parent_category_" + parent_id).show();
			$("ul#in_parent_category_" + parent_id + " li").show("slide", { direction: "left" });
		});

		$("ul#parent_categories li a").livequery(function(){
			$(this).click(function(){
				var category_id = $(this).attr("rel");

				$("ul.child_categories").hide();
				$("ul.child_categories li a").removeClass("current");
				$("ul#parent_categories li a").removeClass("current");
				$("ul#parent_categories li a[rel=" + category_id + "]").addClass("current");
				$("ul#in_parent_category_" + category_id).show();
				$("ul#in_parent_category_" + category_id + " li").show("slide", { direction: "left" });

				invoke_product_list_partial(category_id);
				window.location.hash = category_id;
			});
		});

		$("ul.child_categories li a").livequery(function(){
			$(this).click(function(){
				var category_id = $(this).attr("rel");

				$("ul.child_categories li a").removeClass("current");
				$("ul.child_categories li a[rel=" + category_id + "]").addClass("current");

				invoke_product_list_partial(category_id);

				window.location.hash = category_id;
			});
		});

		// products
		
		$("table#products a.remove").livequery(function(){
			$(this).click(function(){
				var self = this;
				if (confirm('Are you sure you want to remove this product?'))
				{
					$.post(base_url + "admin/remove_product", {
						product_id: $(self).parent().parent().attr("rel")
					}, function(){
						$(self).parent().parent().fadeOut();
					});
				}
			});
		});

		$("table#products a.edit, a#add_new_product").livequery(function(){
			$(this).click(function(){
				var add_to = parseInt($("ul.child_categories li a.current").attr("rel"));
				var product_id = $(this).parent().parent().attr("rel");

				if (product_id == null)
				{
					$("div#edit_product h2").livequery(function(){
						$(this).text("Add Product");
					});
				}
				else
				{
					$("div#edit_product h2").livequery(function(){
						$(this).text("Edit Product");
					});
				}

				$.post(base_url + "admin/get_product", {
					product_id: product_id,
					site_id: $("#site_id").attr("rel"),
					add_to: add_to
				}, function(data){
					$("div#edit_product").html(data);
				});

				$("div#edit_product").hide().fadeIn(500);
			});
		});

		$("a#add_product_price_option").livequery(function(){
			$(this).click(function(){
				$(this).next().clone(true).insertBefore(this).hide().slideDown();
			});
		});

		$("a.remove_product_price_option").livequery(function(){
			$(this).click(function()
			{
				$(this).parent().slideUp(function()
				{
					$(this).children("input[type=text]").each(function()
					{
				  		$(this).val("");
				  	});
				})
			});
		});
		
		// form trigger
		$("a#edit_product_submit").livequery(function(){
			$(this).click(function(){
				$("form#edit_product_form").submit();
			});
		});
		
		// form validation
		$("form#edit_product_form").livequery(function(){
			$(this).validate({
				errorElement: "p",
				errorLabelContainer: "div#error_msg",

				rules: {
					code: {
						required: true,
						maxlength: 20
					},
					name: {
						required: true,
						maxlength: 100
					},
					pack: {
						digits: true
					},
					minimum: {
						digits: true
					},
					category_id: {
						required: true
					}
				},

				messages: {
					code: {
						required: "Product code is required."
					},
					name: {
						required: "Product name is required."
					},
					category_id: {
						required: "Please select a category."
					}
				},

				submitHandler: function(form){
					$(form).ajaxSubmit({
						success: function(response, status){
							$("div.popup").fadeOut();
							show_flash_msg("Product has been successfully updated!");
							
							var category_id = $("span#product_list_category_id").attr("rel");
							invoke_category_list_partial(category_id);
							invoke_product_list_partial(category_id);
						}
					});
				}
			});
		});
	});
	
	function invoke_category_list_partial(hash)
	{
		var category_id = window.location.hash.substring(1);
		
		$.post(base_url + base_section + "/render_category_list_partial", {
			site_id: $("div#product_list_partial").attr("rel"),
			category_id: category_id
		}, function(data){
			$("div#category_list_partial").hide().fadeIn().html(data);
		});
	}
	
	function invoke_product_list_partial(category_id, current_page, persistent)
	{
		// keep current pagination page number
		// otherwise reset to page 1
		if (persistent != true)
		{
			$("#pagination_current_page").attr("rel", 1);
		}
		
		if (current_page == null)
		{
			current_page = $("#pagination_current_page").attr("rel");
		}
		else
		{
			$("#pagination_current_page").attr("rel", current_page);
		}
		
		

		$.post(base_url + base_section + "/render_product_list_partial" + location.search, {
			site_id: $("div#product_list_partial").attr("rel"),
			category_id: category_id,

			// read parameters for pagination
			current_page: current_page,
			items_per_page: $("#pagination_items_per_page").attr("rel")
		}, function(data){
			$("div#product_list_partial").hide().fadeIn().html(data);
		});
	}

	function invoke_product_list_partial_via_pagination(current_page)
	{
		invoke_product_list_partial($("#product_list_category_id").attr("rel"), current_page, true);
	}
	
	/*------------------------------------------------------------
		Page - Reps
	------------------------------------------------------------*/
	
	$("body.body_reps").livequery(function(){
		
		invoke_rep_list_partial();
		
		$("a.remove").livequery(function(){
			$(this).click(function(){
				var self = this;
				if (confirm('Are you sure you want to remove this rep?'))
				{
					$.post(base_url + "admin/remove_rep", {
						rep_id: $(self).parent().parent().attr("rel")
					}, function(){
						$(self).parent().parent().fadeOut();
					});
				}
			});
		});
		
		$("a.edit").livequery(function(){
			$(this).click(function(){
				$("html, body").animate({scrollTop: 0}, 200);
				var self = this;
				var rep = $(this).parent().parent();
				var rep_id = rep.attr("rel");
				var rep_name = rep.children(":eq(1)").text() + " " + rep.children(":eq(2)").text();
				
				if (rep_id == null)
				{
					$("form#edit_rep_form h2").livequery(function(){
						$(this).text("Add User");
					});
				}
				else
				{
					$("form#edit_rep_form h2").livequery(function(){
						$(this).text("Edit User");
					});
				}
				
				$.post(base_url + "admin/get_rep", {
					rep_id: rep_id,
					site_id: $(self).attr("rel")
				}, function(data){
					$("div#edit_rep").html(data);
				});
				
				$("div#edit_rep").hide().fadeIn(500);
			});
		});
		
		// form trigger
		$("a#edit_rep_submit").livequery(function(){
			$(this).click(function(){
				$("form#edit_rep_form").submit();
			});
		});
		
		// form validation
		$("form#edit_rep_form").livequery(function(){
			$(this).validate({
				errorElement: "span",

				rules: {
					username: {
						required: true,
						rangelength: [4, 20]
					},
					password: {
						rangelength: [4, 20]
					},
					password2: {
						equalTo: "#password"
					},
					firstname: {
						required: true,
						maxlength: 50
					},
					surname: {
						required: true,
						maxlength: 50
					},
					position: {
						maxlength: 50
					},
					branch: {
						maxlength: 50
					},
					company: {
						maxlength: 100
					},
					address: {
						maxlength: 255
					},
					suburb: {
						maxlength: 30
					},
					postcode: {
						digits: true,
						rangelength: [3, 4]
					},
					phone: {
						rangelength: [8, 16]
					},
					fax: {
						rangelength: [8, 16]
					},
					email: {
						required: true,
						email: true
					}
				},

				messages: {
					username: {
						rangelength: "Username should be 4 to 20 characters long."
					},
					password: "Password should be 4 to 20 characters long.",
					password2: "Passwords entered do not match.",
					postcode: {
						digits: "Postcode should only contain digits."
					}
				},

				submitHandler: function(form){
					$(form).ajaxSubmit({
						success: function(){
							invoke_rep_list_partial();
							$("div.popup").fadeOut();
							show_flash_msg("Rep has been successfully updated!");
						}
					});
				}
			});
		});
	});
	
	function invoke_rep_list_partial()
	{
		$.post(base_url + base_section + "/render_rep_list_partial", {
			site_id: $("div#rep_list_partial").attr("rel")
		}, function(data){
			$("div#rep_list_partial").hide().fadeIn().html(data);
		});
	}
	
	/*------------------------------------------------------------
		Page - Orders
	------------------------------------------------------------*/
	
	$("body.body_orders").livequery(function(){
		
		invoke_order_list_partial();
		
		if ($.query.get('order_id') > 0)
		{
			window.location.hash = $.query.get('order_id');
		}
		
		if (window.location.hash != '#0' && window.location.hash != '')
		{
			$.post(base_url + base_section + "/render_order_details_partial", {
				order_id: window.location.hash.substring(1)
			}, function(data){
				$("div#order_details_partial").html(data).fadeIn();
				$("table#orders").hide();
				$("div#pagination").livequery(function(){
					$(this).hide();
				});
			});
		}
		
		$("table#orders tr.clickable").livequery(function(){
			$(this).click(function(){
				var order_id = $(this).attr("rel");
				window.location.hash = order_id;
				
				$.post(base_url + base_section + "/render_order_details_partial", {
					order_id: order_id
				}, function(data){
					$("div#pagination").hide("slide", { direction: "right" });
						$("table#orders").hide("slide", { direction: "right", callback: function(){
							$("div#order_details_partial").html(data).show("slide", { direction: "left" });}
					});
				});
			});
		});
		
		$("p a.order_list").livequery(function(){
			$(this).click(function(){
				
				if ($.query.get('order_id') > 0)
				{
					window.location = window.location.toString().split("?")[0];
				}
				else
				{
					window.location.hash = 0;

					$("div#order_details_partial").hide("slide", { direction: "left", callback: function(){
						$("table#orders").show("slide", { direction: "right" });
						$("div#pagination").show("slide", { direction: "right" });
					} });
				}
				
				return false;
			});
		});
		
		// update purchase number
		$("input#purchase_number").livequery(function(){
			$(this).change(function(){
				
				$("div#order_items div.loading").fadeIn();
				
				var self = this;
				
				$.post(base_url + base_section + "/update_purchase_number", {
					order_id: window.location.hash.substring(1),
					purchase_number: $(self).val()
				}, function(data){
					$("div#order_items div.loading").fadeOut();
				});
			});
		});
		
		// confirmation checkbox for dispatched order
		$("input#dispatched").livequery(function(){
			if ($(this).attr("checked") == true)
			{
				$(this).attr("disabled", "disabled");
			}
			
			$(this).change(function(){
				if (confirm("Are you sure you want to confirm the dispatch of this order?"))
				{
					$(this).attr("disabled", "disabled");
					$("div#order_items div.loading").fadeIn();
					
					$.post(base_url + base_section + "/confirm_dispatched", {
						order_id: window.location.hash.substring(1)
					}, function(data){
						$("div#order_items div.loading").fadeOut();
					});
				}
				else
				{
					$(this).attr("checked", false);
				}
			});
			
		});
	});
	
	function invoke_order_list_partial(current_page)
	{
		if (current_page == null)
		{
			current_page = $("#pagination_current_page").attr("rel");
		}
		else
		{
			$("#pagination_current_page").attr("rel", current_page);
		}
		
		$.post(base_url + base_section + "/render_order_list_partial", {
			site_id: $("div#order_list_partial").attr("rel"),
			
			// read parameters for pagination
			current_page: current_page,
			items_per_page: $("#pagination_items_per_page").attr("rel")
		}, function(data){
			$("div#order_list_partial").hide().fadeIn().html(data);
		});
	}
	
	function invoke_order_list_partial_via_pagination(current_page)
	{
		invoke_order_list_partial(current_page);
	}
	
	/*------------------------------------------------------------
		Page - Product
	------------------------------------------------------------*/
	
	$("body.body_product").livequery(function(){
		
		var order_qty;
		
		// calculate total
		$("input.qty").change(function(){
			
			var self = this;
			var subtotal = 0;
			order_qty = 0; // reset the order_qty because we're looping the qty on every 'change' event
			
			$("input.qty").each(function(){
				var price = parseCurrency($(this).parent().next().text());
				var qty = parseInt(jQuery.trim($(this).val()));
				
				if (isNaN(qty) || qty < 0)
				{
					qty = 0;
				}
				
				order_qty += qty;
				subtotal += price * qty;
			});
			
			// reset to 0 if it's not a number or is a negative number
			var current_qty = $(self).val();
			
			if (isNaN(current_qty) || current_qty < 0)
			{
				$(self).val(0);
			}
			
			subtotal = toCurrency(subtotal);
			var gst = toCurrency(subtotal * 0.1);
			var total = toCurrency(subtotal * 1.1);
			
			$("span#product_subtotal").text(subtotal);
			$("span#product_gst").text(gst);
			$("span#product_total").text(total);
			$("p#total").fadeOut("fast").fadeIn();
		});
		
		// add to cart
		
		$("form[name=add_to_cart]").submit(function(){
			
			var minimum = $("span#minimum").text();
			
			if (order_qty == 0)
			{
				$("#add_to_cart_error_msg").text("Please specify the amount you would like to purchase!").fadeIn();
			}
			else if (order_qty < minimum)
			{
				$("#add_to_cart_error_msg").text("Minimum order quantity is " + minimum + ".").fadeIn();
			}
			else
			{
				$(this).ajaxSubmit({
					success: function(data){
						show_flash_msg("Items are now added to your cart!");
						$("#add_to_cart_error_msg").hide();
						update_num_of_items_in_cart();
					}
				});
			}
			
			return false;
		});
		
	});
	
	function parseCurrency(price)
	{
		return trim(price).substring(1).replace(",", "");
	}
	
	function toCurrency(price)
	{
		price = parseFloat(price);
		
		return price.toFixed(2);
	}
	
	function update_num_of_items_in_cart()
	{
		$.post(base_url + base_section + "/update_num_of_items_in_cart", {}, function(data){
			$("li#sub_nav_cart a span").hide().fadeIn().text(parseInt(data));
		});
	}
	
	/*------------------------------------------------------------
		Page - Cart
	------------------------------------------------------------*/
	
	$("body.body_cart").livequery(function(){
		
		calculate_cart_total();

		$("div#cart_items a.remove").click(function(){
			if (confirm("Are you sure you want to remove this item from your cart?"))
			{
				var self = this;

				$.post(base_url + base_section + "/remove_from_cart", {
					item_id: $(self).parent().parent().attr("rel")
				}, function(data){
					$(self).parent().parent().fadeOut(function(){
						calculate_cart_total();
						update_num_of_items_in_cart();
					});

					show_msg("Item is removed from your cart.");
				});
			}
		});

		$("div#cart_info input[type=text], div#cart_info select").change(function(){

			$("div#cart_info div.loading").fadeIn();

			$.post(base_url + base_section + "/update_order_info", {
				key: $(this).attr("name"),
				value: $(this).val()
			}, function(data){
				$("div#cart_info div.loading").fadeOut();
			});
		});
		
		$("div#cart_items input").change(function(){
			
			var self = this;
			
			$("div#cart_items div.loading").fadeIn();

			$.post(base_url + base_section + "/update_order_qty", {
				key: $(this).parent().parent().attr("rel"),
				value: $(this).val()
			}, function(data){
				$("div#cart_items div.loading").fadeOut();
				
				var item_subtotal = "$" + toCurrency(parseCurrency($(self).parent().prev().text()) * data);
				$(self).parent().next().fadeOut("fast").fadeIn().text(item_subtotal);
				
				calculate_cart_total();
			});
		});
		
		$("a#clear").click(function(){
			
			if (confirm("Are you sure you want to clear the cart?"))
			{
				$("div#cart_items div.loading").fadeIn();

				$.post(base_url + base_section + "/clear_cart", {
					id: $("div#cart_info").attr("rel")
				}, function(data){
					$("div#cart_items div.loading").fadeOut();
					calculate_cart_total();
					$("div#cart_items").fadeOut("fast", function(){
						$(this).html("<h3>Cart is emptied!</h3>")
					}).fadeIn();
				});
			}
			
			return false;
		});
		
		$("a#checkout").click(function(){
			$("form#cart_info_form").submit();
			return false;
		});
		
		$("form#cart_info_form").livequery(function(){
			$(this).validate({
				errorElement: "p",
				// errorLabelContainer: "div#error_msg",

				rules: {
					purchase_number: {
						required: true
					},
					surname: {
						required: true
					},
					address: {
						required: true
					},
					suburb: {
						required: true
					},
					postcode: {
						required: true,
						digits: true,
						rangelength: [3, 4]
					},
					state: {
						selected: true
					},
					phone: {
						required: true
					},
					email: {
						required: true,
						email: true
					},
					payment: {
						required: true,
						enough_balance: true
					},
					cc_name: {
						required: "#check_payment_cc:checked"
					},
					cc_number: {
						required: "#check_payment_cc:checked",
						creditcard: true,
						rangelength: [15, 16]
					},
					cc_expiry_mm: {
						selected: "#check_payment_cc:checked"
					},
					cc_expiry_yy: {
						selected: "#check_payment_cc:checked"
					}
				},
				
				messages: {
					payment: {
						required: "Please select a payment option."
					}
				}
			});
		});
		
	});
	
	jQuery.validator.addMethod("selected", function(value, element){
		if ($("#check_payment_cc").attr("checked") == true && element.value == "0")
		{
			return false;
		}
		
		return true;
	}, "Please select a value.");
	
	jQuery.validator.addMethod("enough_balance", function(value, element){
		if ($("input#check_payment_charge_acc").attr("checked") == false
			|| $("input#check_payment_charge_acc").length == 0)
		{
			return true;
		}
		
		if (parseFloat($("span#my_account_balance").text()) >= parseFloat($("span#cart_total").text()))
		{
			return true;
		}
		else
		{
			return false;
		}
	}, "You do not have enough account balance, please select another payment option.");
	
	function calculate_cart_total()
	{
		var subtotal = 0;
		
		$.get(base_url + base_section + "/update_freight", null, function(data){
			$("span#cart_freight").text(data);
			
			$("table#items_to_order tr:visible td.item_subtotal").each(function(){
				var item_subtotal = parseCurrency($(this).text());
				subtotal += parseFloat(item_subtotal);
			});
			
			if ($("span#cart_freight").length > 0)
			{
				subtotal += parseFloat(data);
			}
			
			subtotal = toCurrency(subtotal);
			var gst = toCurrency(subtotal * 0.1);
			var total = toCurrency(subtotal * 1.1);

			$("span#cart_subtotal").text(subtotal);
			$("span#cart_gst").text(gst);
			$("span#cart_total").text(total);
			$("p#total").fadeOut("fast").fadeIn();
		});
	}
	
	// shared between cart and checkout page
	
	$("body.body_cart, body.body_checkout").livequery(function(){
		$("div.payment_div").hide();
		
		$("div#cart_info input[type=radio]").each(function(){
			name = $(this).val();
			
			if ($(this).attr("checked") == true)
			{
				$("div#" + name).show();
			}
		});
		
		$("div#cart_info input[type=radio]").click(function(){
			name = $(this).val();
			
			$.post(base_url + base_section + "/update_payment_option", {
				id: $("div#cart_info").attr("rel"),
				payment: name
			});
			
			$("div.payment_div").slideUp();
			$("div#" + name).slideDown();
		});
	});
	
	/*------------------------------------------------------------
		Page - Checkout
	------------------------------------------------------------*/
	
	$("body.body_checkout").livequery(function(){
		
		calculate_cart_total();
		
		$("a#checkout").click(function(){
			var total = $("span#cart_total").text();
			
			$.post(base_url + base_section + "/place_order", {
				total: total
			}, function(data){
				if (data == 'false')
				{
					show_flash_msg("Error occurred, please review your cart (click \"Modify\").");
				}
				else
				{
					update_num_of_items_in_cart();

					$("div#cart_items").fadeOut("fast", function(){
						$(this).html("<h3>Thank you! Your order has been received!</h3>")
					}).fadeIn();
				}
			});
			
			return false;
		});
		
	});
	
	/*------------------------------------------------------------
		Page - Branding
	------------------------------------------------------------*/
	
	$("body.body_branding").livequery(function(){
		$("textarea").wymeditor({
			stylesheet: base_url + "/media/css/wymeditor.css"
		});
	});
	
});