I have a oscommerce problem with my site my Shopping Cart on my website it was working absolutely fine I have made no changes, now all of a sudden I have been informed by a customer they cannot purchase any thing a javascript window comes up with 0 in it nothing else,
this happens at the [login to view URL] screen, when a list of the ways to pay come up, just before confirmation, please could anybody advise or help, as an example please take any product and try it my website is [login to view URL]