Messenger shoutbox creating new shoutbox page...
Messenger shoutbox creating new shoutbox page when familiar people block is browsed through.
Put the messenger shoutbox on the homepage, then put the "Familiar People" block on the homepage. When people browse through the familiar people block, the page reloads and the messenger shoutbox becomes blank.
Then, on the actual messenger page you can see that it created a new thread for each time the arrows on the familiar people block was pressed.