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Server-side image maps

From: Jim Thatcher <thatch@attglobal.net>
Date: Sat, 27 Oct 2001 12:51:35 -0500
To: "W3c-Wai-Ig@W3. Org" <w3c-wai-ig@w3.org>
Message-id: <NDBBKJDAKKEJDCICIODLAEEPDJAA.thatch@attglobal.net>
My understanding of server-side maps just took a hit as I was checking out
the details if my favorite server-side map at http://www.metrokc.gov/.

The code for the server side map at the top of the page is:

<a href="http://www.metrokc.gov/wwwnav.map">
 <img src=" ..."  ... alt="King County Navigation Bar (text navigation at
      bottom)" width="586" height="41" ISMAP vspace=4>

The thing that baffles me is the href (http://www.metrokc.gov/wwwnav.map)
here is just text file which you can check; here's the contents:

<start wwwnav.map>
# links for KC navigational header http://www.metrokc.gov/
# home
rect http://www.metrokc.gov/  45,4  135,39
# news
rect http://www.metrokc.gov/news.htm  141,4  232,39
# services
rect http://www.metrokc.gov/services.htm  238,4  345,39
# comments
rect http://www.metrokc.gov/go/comment.cfm  351,4  480,39
# search
rect http://find.metrokc.gov/  485,4  583,39
<end wwwnav.map>

And if I simulate w click by submitting
by just opening it in my browser, indeed the News site is opened. Why? What
is special about the .map file on the King county server that it knows to
open a page depending on whether the coordinates are in corresponding

I can figure no reason for this to be a server side map, but if what I find
here is generally used, there is even less reason since the data for a
client side map exist in the .map file on the server.

Accessibility Consulting
Received on Saturday, 27 October 2001 13:53:35 UTC

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