1. A method for accessing information related to at least one product stored in a main computer from a remote computer, the method comprising the steps of: storing product data related to a plurality of products in a memory of the main computer; storing a first subset of product data related to at least one product in a memory of the remote computer; selecting at least one product at the remote computer, generating a data request query related to the at least one selected product at the remote computer; storing identification data at the remote computer which was previously generated at and downloaded from a main computer; transmitting the data request query and the identification data from the remote computer to the main computer; testing the identification data transmitted from the remote computer to the main computer for validity; executing the data request query at the main computer to generate a second subset of product data related to the selected product from the data stored in the memory of the main computer if the identification data received from the remote computer is valid; and transmitting the second subset of product data generated at the main computer to the remote computer.