title: Password Strength Meter
body: <p>I have a situation where I would like to be able to rate a users password in the web interface to my system, so that before they hit submit they know if they have a bad password.</p>
  
  <p>Key Requirements:</p>
  
  <ul>
  <li>Must be able to rate the password, not just pass/fail.</li>
  <li>Should disable the form if the password is below a threshhold, so the user can't submit it.</li>
  <li>Look nice. :)</li>
  <li>Not use jQuery - we're currently using Mochikit and Y!UI in this system.</li>
  </ul>
  
  <p>I've found many password meters written in jQuery, and things like <a href="http://www.passwordmeter.com/" rel="noreferrer">http://www.passwordmeter.com/</a> that are too verbose.</p>
  
  <p>Can anyone suggest a good drop in javascript password rater I can use, or give an example of how to write one?</p>