// Provide a default path to dwr.engine
if (dwr == null) var dwr = {};
if (dwr.engine == null) dwr.engine = {};
if (DWREngine == null) var DWREngine = dwr.engine;

if (ShopCart == null) var ShopCart = {};
ShopCart._path = '/dwr';
ShopCart.checkout = function(p0, p1, p2, p3, callback) {
  dwr.engine._execute(ShopCart._path, 'ShopCart', 'checkout', p0, p1, p2, p3, callback);
}
ShopCart.add2Cart = function(p0, p1, p2, callback) {
  dwr.engine._execute(ShopCart._path, 'ShopCart', 'add2Cart', p0, p1, p2, callback);
}
ShopCart.checkTxnStatus = function(p0, callback) {
  dwr.engine._execute(ShopCart._path, 'ShopCart', 'checkTxnStatus', p0, callback);
}