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<html>
<head>
<script type="text/javascript">
function showFormElements(theForm){
str="Form Elements: "
for (i=0; i<theForm.length; i++)
str+=" \n " + theForm.elements[i].name
alert(str)
}
</script>
</head>
<body>
<form>
First name: <input type="text" name="fname" size="20">
<br>
Last name: <input type="text" name="lname" size="20">
<br>
<br>
<input type="button" name="button1" value="Display name of form elements"
onClick="showFormElements(this.form)">
</form>
</body>
</html>
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