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<html>
<head>
<script type="text/javascript">
<!--
function convertText() {
document.SampleForm.myText.value = document.SampleForm.myText.value.toUpperCase()
}
-->
</script>
</head>
<body>
<form name="SampleForm">
<input type="text" name="myText">
<input type="button" value="Convert" onclick="convertText()">
</form>
</body>
</html>
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