1. In an Internet compatible user interface system supporting a process including a sequence of subtasks, a method comprising the steps of: initiating display of a composite window representing a plurality of overlaid tabbed web page windows each including a visible tab incorporating an identifier identifying a function provided by a web page associated with a particular subtask of said sequence of subtasks and wherein visible tabs and corresponding overlaid tabbed windows are sequentially ordered in accordance with said sequence of subtasks; and initiating display of a subtask web page in the foreground of said composite window in response to user selection of a visible tab corresponding to said subtask web page.