Method for managing an electronic-commerce shopping cart

A system, comprising a server adapted to implement a method for managing an electronic commerce (e-commerce) shopping cart relating to communication between a shopper and a server over a communication network, said method comprising the steps of:

• determining by the server whether a shopping command of the shopper has changed an attribute of a primary item in the shopping cart;
• after the server has determined that the shopping command has changed the attribute of the primary item in the shopping cart, identifying by the server a secondary item in the shopping cart linked to the primary item;
• and
• changing by the server a corresponding attribute of the secondary item in response to the change in the attribute of the primary item, wherein the attribute of the primary item is selected from the group consisting of a quantity of the primary item, a color of the primary item, and a size of the primary item.