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<html>
<head>
<script language="JavaScript">
function function1() {
document.all.area1.coords = "0, 0, 100, 50";
}
function function2() {
document.all.area2.coords = "100, 0, 200, 50";
document.all.area2.noHref = 'true';
}
function function3() {
document.all.area3.coords = "0, 50, 100, 100";
}
function function4() {
document.all.area4.coords = "100, 50, 200, 100";
}
function function5() {
document.getElementById("area1").coords = "0, 0, 0, 0";
document.getElementById("area2").coords = "0, 0, 0, 0";
document.getElementById("area3").coords = "0, 0, 0, 0";
document.getElementById("area4").coords = "0, 0, 0, 0";
}
</script>
</head>
<body>
<img src="http://www.java2s.com/style/logo.png"
id="myImg"
alt="http://www.java2s.com"
width="200"
height="100"
usemap="#myMap">
<map name="myMap">
<area id="area1"
shape="rect"
href="http://www.java2s.com"
alt="java2s.com"
onClick="return false">
<area id="area2"
shape="rect"
href="http://www.java2s.com" nohref="true"
alt="java2s.com home page"
onClick="return false">
<area id="area3"
shape="rect"
href="http://www.java2s.com"
alt="java2s home page"
onClick="return false">
<area id="area4"
shape="rect"
href="http://www.java2s.com"
alt="java2s.com"
onClick="return false">
</map>
<br>
<input type="button" value="Make area 1 active" onClick="function1();">
<input type="button" value="Make area 2 active" onClick="function2();">
<input type="button" value="Make area 3 active" onClick="function3();">
<input type="button" value="Make area 4 active" onClick="function4();">
<button onclick="function5();">Restore areas to inactive</button>
<button onclick="alert(myImg.isMap);">IS MAP</button>
<button onclick="alert(area2.noHref);">noHref for Area 2</button>
</body>
</html>
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