<head>
<title>TERSERAH ANDA YANG PENTING BERHUBUNGAN DENGAN LAMPU</title>
</head>
<body>
<script>
function light(sw)
{
var pic;
if (sw == 0)
{
pic = "http://tianvalue.com/img/eg_bulboff.gif"
}
else
{
pic = "http://tianvalue.com/img/eg_bulbon.gif"
}
document.getElementById('myImage').src = pic;
}
</script>
<img width="140" height="200">
<p>
<button type="button" onclick="light(1)">Light On</button>
<button type="button" onclick="light(0)">Light Off</button>
</p>
</body>
</html>
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