function isBlank( str )
{
	return String(str).replace(/\s/g, "") === "";
}

function msgBox(str)
{
	$.facebox(str);
}

function applyVoucher()
{
	var vouchercode = $("#vouchercode").val();
	$.post("ajax/apply-voucher.asp", { vouchercode: vouchercode }, function(xml) {
		$(document).trigger("cart-update");
		var response = $("msg", xml).text();
		$("#vouchercode_msg").text( response );
	});
}

function changeCurrency()
{
	var currency = $("#currency").val();

	$.post("ajax/change-currency.asp", { currency: currency }, function() {
		location.reload();
	});
}

function registerInterest(addy)
{
	if( ! isEmail(addy) )
		$.facebox("Please enter a valid email address.");
	else {

		var href = String(location.href);
		var thesplit = href.split("?");
		var proid = thesplit[1].replace(/\D/g, "");
		$.post("ajax/register-interest.asp", { proid: proid, email:addy }, function() {
			$.facebox("Thank you. We will notify you when this product becomes available for order.");
		});
	}
}

function checkOrderSubmission()
{
	return true;
	var fname = $("#delivery_fname");
	var lname = $("#delivery_lname");
	var address = $("#delivery_address1");
	var city = $("#delivery_city");
	var state = $("#delivery_state");
	var country = $("#delivery_country");
	var postcode = $("#delivery_postcode");



	if( isBlank( fname.val()) ) {
		msgBox("You must enter your first name.");
		fname.focus();
		return false;
	} else if( isBlank(lname.val()) ) {
		msgBox("You must enter your last name.");
		lname.focus();
		return false;
	} else if( isBlank(address.val()) ) {
		msgBox("You must enter your delivery address.");
		address.focus();
		return false;
	} else if( isBlank(city.val()) ) {
		msgBox("You must enter your delivery city.");
		city.focus();
		return false;
	} else if( isBlank(state.val()) ) {
		msgBox("You must enter your delivery state.");
		state.focus();
		return false;
	} else if( isBlank(country.val()) ) {
		msgBox("You must enter your delivery country.");
		country.focus();
		return false;
	} else if( isBlank(postcode.val()) ) {
		msgBox("You must enter your delivery postcode.");
		postcode.focus();
		return false;
	}

	

	return false;
}

function emailFriend( proid )
{
	$.facebox({ ajax: "ajax/emailfriend.asp?proid=" + proid});
}

function email2friend()
{
	var yourname = $("#yourname").val();
	var youremail = $("#youremail").val();
	var friendemail = $("#friendemail").val();
	var message = $("#message").val();
	var proid = $("#product_id").val();
	var details = {
		yourname: yourname,
		youremail: youremail,
		friendemail: friendemail,
		message: message,
		proid: proid
	};
	$.post("ajax/email2friend.asp", details, function() {
		$.facebox("Thank you, this product recommendation has been sent.");
	});
}

function viewCart()
{
	var categoryid = $("#categoryid");
	var subcategory = $("#subcategory");
	if( categoryid.length > 0 )
		categoryid = categoryid.val();
	else
		categoryid = '';
	if( subcategory.length > 0 )
		subcategory = subcategory.val();
	else
		subcategory = '';
	$.facebox({ ajax: "ajax/viewcart.asp" + "?categoryid=" + categoryid + "&subcategory=" + subcategory });
	updateCartTotal();
	return false;
}

function updateCart()
{
	var prodetails = $("input[name*='prodetailid_']");
	var cart = {};
	prodetails.each( function() {
		var name = $(this).attr("name");
		var qty = $(this).val();
		cart[name] = qty;
	});

	cart.action = "set-cart";
	
	$.post("ajax/processdata.asp", cart, function() {
		$(document).trigger("cart-update");
	});
}


$(document).ready( function() {
	//$("#menu").supersubs().superfish();

	$("#menu img").hover(
			function() {
				var img = $(this).attr("src").replace(/\.png/, "_highlight.png");
				$(this).attr("src", img);
			},
			function() {
				var img = $(this).attr("src").replace(/\_highlight.png/, ".png");
				$(this).attr("src", img);
			}
	);
	$("a[rel='facebox']").facebox();
	/*
	if( $.browser.msie && $.browser.version.match(/6/) && $.cookie("ie6msged") != "yes" ) {
		$("#ie6msg").show();
	}
	*/
});

function hideIEMessage()
{	
	$.cookie("ie6msged", "yes");
	$("#ie6msg").fadeOut();
}

function addProduct()
{
	var products = $("input[name*='prodetail_']");
	var product = {};
	
	products.each( function() {
		//fixme, do some validation
		var prodetailid = String($(this).attr("name"));
		var qty = parseInt($(this).val()) || 0;
		product[prodetailid] = qty;
	});

	$.post("ajax/updatecart.asp", product, function(html) {
		$(document).trigger("cart-update");
	});
}

function updateCartTotal()
{
	setTimeout( function() { $("#cart-summary-total").text( $("#new-cart-total").val()); }, 300);
}

function removeItem(prodetailid)
{
	$.post("ajax/removeitem.asp", { prodetailid: prodetailid }, function(html) {
		$(document).trigger('cart-update');
	});
}

function joinMailingList()
{
	$.facebox({
		ajax: "joinmailinglist.asp"
	});
}

function signUpForNewsletters()
{
	var name = $("#mailing-list-name");
	var email = $("#mailing-list-email");

	$.post("ajax/join-mailing-list.asp", { name: name.val(), email: email.val() }, function() {
		$.facebox("Your email has been added to our mailing list.  Thank you for expressing your interest.");
	});
}

function switchPayment()
{
	if( $(this).val() == "creditcard" ) {
		$("#invoice-details").hide();
	} else {
		$("#invoice-details").show();
	}
}

function isBlank( str )
{
	return String(str).replace(/\s/g, "") == "";
}

function isEmail( addy )
{
	var emailRegex = /^[\w-\.]+@([\w-]+\.)+[\w-]{2,4}$/;
	if( isBlank(addy) || ! String(addy).match(emailRegex) )
		return false;
	else
		return true;
}

function msg(str)
{
	$.facebox(str);
}

function validateShippingDetails()
{
	var attention = $("#delivery_attention");
	var country = $("#delivery_country");
	var address = $("#delivery_address1");
	var suburb = $("#delivery_suburb");
	var state = $("#delivery_state");
	var postcode = $("#delivery_postcode");
	var phone = $("#delivery_phone");
	
	if( isBlank(attention.val()) ) {
		msg("Please enter the delivery attention.");
		attention.addClass("highlighted");
		return false;
	} else if( isBlank( country.val() ) ) {
		msg("Please enter the delivery country.");
		country.focus();
		return false;
	} else if( isBlank( address.val() ) ) {
		msg("Please enter the delivery address.");
		address.focus();
		return false;
	} else if( isBlank( suburb.val() ) ) {
		msg("Please enter the delivery city/suburb.");
		suburb.focus();
		return false;
	} else if( isBlank( state.val() ) ) {
		msg("Please enter the delivery state.");
		state.focus();
		return false;
	} else if( isBlank( postcode.val() ) ) {
		msg("Please enter the delivery post/zip code.");
		postcode.focus();
		return false;
	} else if( isBlank( phone.val() ) ) {
		msg("Please enter the delivery phone.");
		phone.focus();
		return false;
	}

	//now validate contact details

	var fname = $("#contact_fname");
	var lname = $("#contact_lname");
	var phone = $("#contact_phone");
	var email = $("#contact_email");

	if( isBlank( fname.val() ) ) {
		msg("Please enter your first name.");
		fname.focus();
		return false;
	} else if( isBlank( lname.val() ) ) {
		msg("Please enter your last name.");
		lname.focus();
		return false;
	} else if( isBlank( phone.val() ) ) {
		msg("Please enter your phone number.");
		phone.focus();
		return false;
	} else if( ! isEmail( email.val() ) ) {
		msg("Please enter your email address.");
		email.focus();
		return false;
	}
	return true;
}

function validatePaymentDetails()
{
	var method = $("input[name='payoption']"); //:checked, once supports paypal, just stick this at the end of the selector
	if( method.length == 0 ) {
		msg("Please choose a payment method.");
		return false;
	} else if( method.val() == "creditcard") {
		//credit card validation
		var cardholdername = $("#cc_cardholdername");
		var cardnumber = $("#cc_cardnumber");
		var cardtype = $("#cc_cardtype");
		var month = $("#cc_mmexp");
		var year = $("#cc_yyexp");
		var code = $("#cc_csc");

		if( isBlank( cardholdername.val() ) ) {
			cardholdername.focus();
			msg("Please enter the card holder's name.");
			return false;
		} else if( isBlank( cardnumber.val()) ) {
			msg("Please enter the card number.");
			cardnumber.focus();				
			return false;
		} else if( cardtype.val() == "none" ) {
			msg("Please choose the card type.");
			cardtype.focus();
			return false;
		} else if( month.val() == "none" ) {
			msg("Please choose the expiration month for this card.");
			month.focus();
			return false;
		}
	}

	return true;
}

function validateOrder()
{
	if( Number($("#itemcount").val()) <= 0 ) {
		$.facebox("You must add some items to your cart before checking out !");
		return false;
	} else
		return confirm("Are you sure you are ready to place your order?");
}

function validateForm()
{
	var action = $("#action").val().toLowerCase();
	if( action == "shipping-details" ) {
		return validateShippingDetails();
	} else if( action == "payment-details" ) {
		return validatePaymentDetails();
	} else if( action == "review-order" ) {
		return validateOrder();
	}
	return true;
}

function nextStage(xml)
{
	var url = $("url", xml).text();
	location.href = url;
}