<html>
<body>
<p>请点击图像上的星球，把它们放大。</p>
<img
src="eg_planets.jpg"
border="0" usemap="#planetmap"
alt="Planets" />
<map name="planetmap" id="planetmap">
<area
shape="circle"
coords="180,139,14"
href ="venus.html"
target ="_blank"
alt="Venus" />
<area
shape="circle"
coords="129,161,10"
href ="mercur.html"
target ="_blank"
alt="Mercury" />
<area
shape="rect"
coords="0,0,110,260"
href ="sun.html"
target ="_blank"
alt="Sun" />
</map>
</body>
</html>
原文：http://www.cnblogs.com/xhq-z/p/5729636.html