Managing Orders

See these functions in the file manageOrder.php:

function checkoutForm(&$items,$gateway, $hidden)---generates checkout form
function cartTable(&$items,$action)---generates shopping cart display
function orderTable($order)---displays order recorded in database
function changeQty($order, $product, $qty)---changes quantity of an order
function removeItem($order, $product)---removes an item in an order
function addItem($order, $product, $qty)---adds an into to an order
function newOrder($order, $customer)---creats a new order in the database
function enterOrder($order, $customer, &$cart)---enters a customer order
after checkout.
function removeOrder($order)---removes an order from the dataase.
function value_from_db($q)---retrives a value from database.
function htmlCheckout(&$result_obj, $item_name, $amt_name, ... )---generates
HTML for checkout display and PayPal interface.

And also see the HTML code generation.