I got only a little problem... After installing I get the following symptoms.
JavaScript code generated by backend is invalid! My whole page is loading in the shopping_cart box.
In firefox I get 2 lines: after entering the buy command on the product_info.php the loading and the ok image passed
POST /~domain/index.php?option=com_oscommerce&osMod=ajax_shopping_cart.php&products_id=1&action=add_product&13055779418370-xml [HTTP/1.1 302 Found 2507ms]
GET /~domain/index.php?option=com_oscommerce&osMod=shopping_cart&Itemid=2& [HTTP/1.1 200 OK 1622ms] whole page load
