title: Uncaught Error: SECURITY_ERR: DOM Exception 18 when I try to set a cookie
body: <p>I get the following error in Chrome's developer tools window when I try to set a cookie using <a href="http://code.google.com/p/cookies/" rel="noreferrer">this</a> jQuery plugin:</p>
  
  <blockquote>
    <p>Uncaught Error: SECURITY_ERR: DOM Exception 18</p>
  </blockquote>
  
  <p>What does this error mean and how can I fix it? I get the same error when I use <a href="http://plugins.jquery.com/project/Cookie" rel="noreferrer">this</a> jQuery plugin.</p>