/**
* Saves the content of ->stored (keeps track of expanded positions in the tree)
* $this->treeName will be used as key for BE_USER->uc[] to store it in
*
* @return void
* @access private
*/
public function savePosition()
{
$this->BE_USER->uc['browseTrees'][$this->treeName] = serialize($this->stored);
$this->BE_USER->writeUC();
}
