15. The search system of claim 14 , wherein the database is a legal database, wherein the documents are legal cases, and wherein the ideas are points of law.
14. The search system of claim 13 , further comprising means for formatting the retrieved document for display to the user with hyperlinks associated with at least some of the headnotes, for display to the user by the means for displaying, and wherein the means for displaying performs the further function of displaying a search form to the user in response to the user clicking on one of the hyperlinks.