//-------------------------------------------------------------------------------------------------
// cartHandler.js
//
// Handles a shopping cart: adds items, deletes items, displays cart, sends email to purchaser
// and sales contact upon order submission.
//
// Scripts should be included in the HTML file just after the "body" tag in the following
// manner and order:
//
//
//
//
//
//
//-------------------------------------------------------------------------------------------------
//-------------------------------------------------------------------------------------------------
// afterLoad
//
// Call this function via the body tag in the HTML code:
//
//
function afterLoad()
{
//create cookies to pass values on to any script which might need them
setCookies();
}//end of afterLoad
//-------------------------------------------------------------------------------------------------
//-------------------------------------------------------------------------------------------------
// setCookies
//
// Sets up cookies needed by various scripts.
//
function setCookies()
{
//create cookies to pass values on to any script which might need them
createCookie('StandardShippingCost', baseShippingCost, 0);
createCookie('SalesTaxRate', salesTaxRate, 0);
createCookie('DispShipCostColOnCart', dispShipCostColumnOnCart, 0);
}//end of setCookies
//-------------------------------------------------------------------------------------------------
//-------------------------------------------------------------------------------------------------
// checkOutWithCheck
//
// This function is called when the user is ready to finalize the purchase by check or money order.
//
function checkOutWithCheck()
{
//load the checkout page
window.location="CheckOut.html";
}// end of checkOutWithCheck
//-------------------------------------------------------------------------------------------------
//-------------------------------------------------------------------------------------------------
// checkOutWithCreditCard
//
// This function is called when the user is ready to finalize the purchase by credit card.
//
function checkOutWithCreditCard()
{
//load the checkout page
window.location="CheckOutPayPal.html";
}// end of checkOutWithCreditCard
//-------------------------------------------------------------------------------------------------
//-------------------------------------------------------------------------------------------------
// handleNMResident
//
// This function sets cookie 'NMResident' to 'Yes' if the "Billing or Shipping to New Mexico
// Address?" checkbox is checked or to 'No' if unchecked.
//
// Call this function from the onClick of the checkbox and the "Update Cart" button to make sure
// the cookie is set properly before calling the update script.
//
function handleNMResident()
{
if (document.getElementById('NMResident').checked)
createCookie('NMResident', 'Yes', 0);
else
createCookie('NMResident', 'No', 0);
}// end of handleNMResident
//-------------------------------------------------------------------------------------------------
//-------------------------------------------------------------------------------------------------
// addItem
//
// Call this function before invoking the addItemToCartTKP.cgi script. If a cart number has
// not already been assigned, that will be done first.
//
function addItem()
{
//assign a cart number and set a flag to force creation of a new cart if necessary
createCart();
}// end of addItem
//-------------------------------------------------------------------------------------------------
//-------------------------------------------------------------------------------------------------
// createCart
//
// If the user does not already have a cookie named "Cart" with a value, the user is given such a
// cookie with a unique cart number.
//
// If a cart needs to be created, the cookie "CreateCart" will be set to "Yes" so the script
// will know to create a new cart. If a cart has already been assigned, the cookie will be set
// to "No".
//
function createCart()
{
var cookieValue = readCookie('Cart');
if ((cookieValue == "") || (cookieValue == null)){
var date = new Date();
var cartNumber = date.getTime();
createCookie('Cart', cartNumber, 0);
createCookie('CreateCart','Yes', 0);
}
else{
//clear the create cart flag as one has already been assigned
createCookie('CreateCart','No', 0);
}
}// end of createCart
//-------------------------------------------------------------------------------------------------