<HTML>
<head>
<Title>Example For</Title>
<script language="JavaScript">
function function1() {
var x = document.getElementById("myImage").isMap;
if (x == true) {
alert("Yes");
}
}
</script>
</head>
<body>
<img id="myImage"
src="http://www.wbex.ru/style/logo.png"
width=300
height=100
usemap="#myMap"
ismap="false">
<map name="myMap">
<area shape="rect" coords="0, 0, 100, 50" href=http://www.wbex.ru>
<area shape="rect" coords="200, 50, 300, 100" href="http://www.google.ru">
</map>
<input type="button" value="Is this image a server-side map?" onClick="function1()">
</body>
<BODY>
</BODY>
</HTML>