Some older browsers don't understand 'client side' image maps, so using the two types together represents an effective 'belt and braces' approach. The image map facility uses the map file to tell it which areas of your picture are hot spots. Your web server understands maps in the CERN format, so if you have a program that creates maps, you should must make sure they are in CERN format and not the NCSA format. The map files should be situated in your cgi directory. SSI commands are embedded into your HTML as special comments.
Some examples follow.
A full description of Apache's SSI syntax can be found in the Apache documentation . We have put together a number of useful examples that you can paste straight into your pages to do a variety of things. Only if you have created your site using Microsoft FrontPage . This is Microsoft's rapid web site development tool, which gives you a quick and easy way to create your web pages and publish them to your web space. These enable the active content to function, and allow FrontPage to connect to the server to publish your files.