/**
  * Constructor
  * @access	public
  * @param	string	scriptname
  * @param    int user_id
  */
 function ilAICCExplorer($a_target, &$a_slm_obj)
 {
     parent::ilExplorer($a_target);
     $this->slm_obj =& $a_slm_obj;
     $this->tree = new ilAICCTree($a_slm_obj->getId());
     $this->root_id = $this->tree->readRootId();
     $this->checkPermissions(false);
     $this->outputIcons(false);
     $this->setOrderColumn("");
 }