<html>
<head>
<title>Test Page</title>
</head>
<body>
<form method="POST" action="--WEBBOT-SELF--">
<select size="1" name="vacation">
<option value="haw">Hawaii</option>
<option value="mex">Mexico</option>
<option value="sd">San_Diego</option>
</select></p>
<fieldset style="padding: 2">
<input type="radio" name="tperiod" value="V4" id="one">Month
<input type="radio" name="tperiod" value="V5" id="two" checked>Week
<input type="radio" name="tperiod" value="V6" id="three">Day</fieldset></p>
<script>
if(vacation.value == "haw"){
document.getElementById('three').name="";
}
</script>
<p> </p>
<p><input type="submit" value="Submit" name="B1"><input type="reset" value="Reset" name="B2"></p>
</form>
</body>
</html>