How'd they do that.

Steve Scheuber (
Mon, 11 Dec 1995 10:13:56 -0600 (CST)

The below stuff was taken from a web page at Microsoft. I don't
understand the <a href=""> beyond the fact that it
sensitizes the image so one can click on it. Is there CGI code
that sits on their server, and what does it look like? How
does it use the map4 defined in the HTML file sent to the browser?
Does anybody understand this stuff? Thanks for your help!
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<a href=""><img border=0 width=623 height=339
src="img/front-door.gif" USEMAP="#map4" ISMAP></a>

<i>&#169; 1995 Microsoft Corporation</i>

<map name="map4">
<area shape="rect" coords="116,0,350,115" href="intro1.html">
<area shape="rect" coords="1,113,243,234" href="surfing1.html">
<area shape="rect" coords="350,115,585,231" href="advanced.html">
<area shape="rect" coords="468,233,587,339" href="menu.html">