Sources for your questions on HTML and the Web

• Information on HTTP (Hypertext Transfer Protocol):HTTP - A Protocol for networked information

• Information on HTML Specification:HTML Specification

• Information on starting a Web service:Web bootstrap (ftp)

• Information on setting up forms functionality:Common Gateway Interface

• Information on setting up ISMAP functionality:Tutorial - NCSA

• Overview on using Clickable Image Maps: O'Reilly