<html>
<head>

</head>
<body>
<form action="radiosearch.php" method="post">
<input type="text" name="thesearch"><br>

Firstname<input type="radio" name="choice" value="fn" checked="checked"><br>
Surname<input type="radio" name="choice" value="sn"><br>
Favourite food <input type="radio" name="choice" value="ff"><br>
<input type="submit" value="Submit">
</form>
</body>