<form method="get" action="http://cscie12.dce.harvard.edu/echo">
Email Address:
<input type="text" name="email" size="50"/><br/>Please send me email updates:<br/>
<input type="radio" name="sendupdates" value="yes" checked="checked"/>yes<br/>
<input type="radio" name="sendupdates" value="no"/>no<br/>
<input type="submit" name="action" value="Proceed"/>
</form>