jamis

<form action="https://launchpad.37signals.com/authenticate" method="post">
  <input name="product" value="YOUR-PRODUCT" type="hidden" />
  <input name="subdomain" value="YOUR-SUBDOMAIN" type="hidden" />

  <p>Username<br />
  <input name="username" id="username" type="text" /></p>

  <p>Password<br />
  <input name="password" id="password" type="password" /></p>