title: Permission denied to call method Location.toString
body: <p>I'm using YUI,</p>
  
  <p>and sometimes I'll see this "Permission denied to call method Location.toString" error,</p>
  
  <p>It's reported in connection.js,</p>
  
  <p>I didn't find any clue why this error occur yet.</p>
  
  <p>Very strange</p>