Look for the coördinates at the end of the Location: field as you click on a server-side only imagemap. Watch the Status field at the bottom of the window as you move across a client-side imagemap.
In image (1), the gateway is
which ignores its arguments.
In images (2) and (4), the gateway is
This gateway expects to see the name of a map file in the PATH_INFO part
of its URL.
For example, images (2) and (4) invoke the gateway with the URL
whose PATH_INFO part is
This map file
contains a list of areas and URL's,
e.g., the URL of the makeface gateway mentioned above.
The NAME attribute of the <MAP> tag gives a name to the list. Use this name as the value of the USEMAP attribute of the <IMG> tag.