<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>