I am using simple radio button form to pass parameter "mode" to "script.php". How can I pass additional custom parameters when I click "submit" button?
<form action="./script.php">
<p>2) Select mode:</p>
<input type="radio" name="mode" value="maps">full<br>
<input type="radio" name="mode" value="backup">partial<br>
<p></p>
<input type="submit" value="Decrypt">
</form>