HTML IMAGE MAP标签的使用

http://www.htmlcodetutorial.com/images/images_famsupp_220.html
<DIV ALIGN=CENTER>
<MAP NAME="map1">
<AREA
HREF="contacts.html" ALT="Contacts" TITLE="Contacts"
SHAPE=RECT COORDS="6,116,97,184">
<AREA
HREF="products.html" ALT="Products" TITLE="Products"
SHAPE=CIRCLE COORDS="251,143,47">
<AREA
HREF="new.html" ALT="New!" TITLE="New!"
SHAPE=POLY COORDS="150,217, 190,257, 150,297,110,257">
</MAP>
<IMG SRC="testmap.gif"
ALT="map of GH site" BORDER=0 WIDTH=300 HEIGHT=300
USEMAP="#map1"><BR>
</DIV>