var cc_payment_limit = 3000; // 3000
function add_to_cart(id){
	if (id == 0){
		alert("You need to login as a Friend-of-the-Mint first.");
		findObj("LoginUserID").focus();
	}
	else{
	document.location = "add_to_cart.php?product_id=" + id;
	}
}
function view_product_info(id){
	document.location = "product_info.php?product_id=" + id;
}
function show_image(image) {
	findObj("product_image").src = "images/products/" + image;
}
function go_to_page(page) {
	// findObj("page_index").value = page;
	// document.form1.action = "shop.php?c=" + queryString("c") + "&page_index=" + page;
	// document.form1.submit();
	document.location = "shop.php?c=" + queryString("c") + "&page_index=" + page;
}
function update_cart() {
	findObj("action_type").value = "UPDATE";
	document.form1.action = "update_cart.php"
	document.form1.submit();
}
function checkout() {
	findObj("action_type").value = "CHECKOUT";
	document.form1.action = "update_cart.php"
	document.form1.submit();
}
function change_delivery() {
	findObj("action_type").value = "CHANGE_DELIVERY";
	document.form1.action = "update_payment.php";
	document.form1.submit();
}
function change_cart() {
	if (findObj("action_type")) {
		findObj("action_type").value = "CHANGE_CART";
		document.form1.action = "update_payment.php";
		document.form1.submit();
	}
	else {
		document.location = "view_cart.php";
	}
}
function continue_shopping() {
	document.location = "shop.php";
}
function make_payment() {
	controlToFocus = "";
	var divs = $$("div.red_label_arrow"); for (i = 0; i < divs.length; i++) divs[i].remove(); // remove all error messages
	
	if (!RequiredOption("DeliveryType")) {
		ShowError("CollectionDeliveryDetailsHeader", "Please select whether you wish to collect or deliver your order", 376, 0, 320);
		controlToFocus = (controlToFocus == "" ? "CollectionDeliveryDetailsHeader" : controlToFocus);
	}
	else if (findObj("DeliveryType1").checked) {
		if (!RequiredField("ContactPerson")) {
			ShowError("ContactPerson", "Please enter contact person");
			controlToFocus = (controlToFocus == "" ? "ContactPerson" : controlToFocus);
		}
		if (!RequiredField("Address1")) {
			ShowError("Address1", "Please enter address");
			controlToFocus = (controlToFocus == "" ? "Address1" : controlToFocus);
		}
		if (!RequiredField("PostalCode")) {
			ShowError("PostalCode", "Please enter postal code");
			controlToFocus = (controlToFocus == "" ? "PostalCode" : controlToFocus);
		}
		if (!RequiredField("Country")) {
			ShowError("Country", "Please select country");
			controlToFocus = (controlToFocus == "" ? "Country" : controlToFocus);
		}
		if (!RequiredField("ContactNo")) {
			ShowError("ContactNo", "Please enter contact no.");
			controlToFocus = (controlToFocus == "" ? "ContactNo" : controlToFocus);
		}
		else if (!CustomValidator("ContactNo", IsNumeric, null)) {
			ShowError("ContactNo", "Contact no. must be number only");
			controlToFocus = (controlToFocus == "" ? "ContactNo" : controlToFocus);
		}
	}
	if (controlToFocus != "") {
		setFocus(controlToFocus);
		$(controlToFocus).scrollTo();
	}
	else {
		CountryError = false;
		if (findObj("DeliveryType1").checked) {
			if (findObj("Country").value == "Spain" || findObj("Country").value == "Russian Federation") {
				alert("Please note that we are unable to deliver to " + findObj("Country").value + " due to the customs in the country.\nSorry for the inconvenience caused.");
				CountryError = true;
			}
		}
		if (!CountryError) {
			document.form1.action = "update_delivery.php"
			document.form1.submit();
		}
	}
}
function view_tnc() {
	window.open("tnc.php");
}
function submit_order() {
	controlToFocus = "";
	var divs = $$("div.red_label_arrow"); for (i = 0; i < divs.length; i++) divs[i].remove(); // remove all error messages
	
	if (!RequiredOption("PaymentMode")) {
		ShowError("PaymentMode1", "Please select payment mode");
		controlToFocus = (controlToFocus == "" ? "PaymentMode1" : controlToFocus);
	}
	else {
		amount_payable = parseFloat(findObj("AmountPayable").value);
		if (amount_payable > cc_payment_limit && !findObj("PaymentMode2").checked) {
			ShowError("PaymentMode2", "Amount payable exceed S$" + cc_payment_limit + ", please pay by check");
			controlToFocus = (controlToFocus == "" ? "PaymentMode2" : controlToFocus);
		}
	}
	if (!RequiredCheckbox("Agree")) {
		ShowError("Agree", "Please agree to the terms and conditions");
		controlToFocus = (controlToFocus == "" ? "Agree" : controlToFocus);
	}
	if (controlToFocus != "") {
		setFocus(controlToFocus);
	}
	else {
		if (findObj("PaymentMode1").checked) {
			document.form1.action = "payment_init.php";
		}
		else if (findObj("PaymentMode2").checked) {
			document.form1.action = "payment_cheque_process.php";
		}
		else if (findObj("PaymentMode3").checked) {
			document.form1.action = "payment_tt_process.php";
		}
		document.form1.submit();
	}
}
function print_receipt(id) {
	window.open("payment_receipt.php?order=" + id, "SGM", "width=760,height=600,location=0,toolbar=0,menubar=0,location=0,scrollbars=1,status=0", true);
}