sql 2000 user defined functions

Hi:

In User Defined Functions, it does not let me define multiple column
names that have same name even though they are from different tables.
For example:

SELECT tblEmplyee.*, tblCustomer.*
FROM (tblEmplyee INNER JOIN tblCustomer ON tblEmplyee.Name =
tblCustomer.Name)

The error it gives is :column names in each function should be unique.

Any help is appreciated.

Bindra