<html> <head> </head> <body> <img src="yourimage.gif" id="myImg" alt="" width="200" height="100" usemap="#myMap2"> <map name="myMap2"> <area id="area1" shape="rect" href="http://www.java2java.com" alt="java2s.com" onClick="return false"> </map> <br> <button onclick="alert(myImg.isMap);">IS MAP</button> </body> </html>