>cap for !winds10.gif: The search engine originally designed to serve
>Petris Technology's PetroInfo site simplified searches with a
>graphical user interface and drop down boxes. However, users who were
>unfamiliar with the site would have had no way of exploring the data
>available to them before executing a search query.
>
>cap for !winds20.gif: PetroInfo ultimately opened for business using a
>search engine that lets users preview the site's data. As users browse
>through the site's catalog on the left side of their browser screen,
>they select the search parameters associated with any given section of
>the catalog appear on the right.