Mega Code Archive
IsMap Example
<![CDATA[
<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.rntsoft.com"
alt="rntsoft.com"
onClick="return false">
</map>
<br>
<button onclick="alert(myImg.isMap);">IS MAP</button>
</body>
</html>
]]>