24 require_once(
"./Services/COPage/classes/class.ilPageContent.php");
 
   55                 $this->q_node =& $a_node->first_child();                
 
   65                 if (is_object($this->q_node))
 
   67                         $this->q_node->set_attribute(
"QRef", $a_questionreference);
 
   78                 if (is_object($this->q_node))
 
   80                         return $this->q_node->get_attribute(
"QRef", $a_questionreference);
 
   88         function create(&$a_pg_obj, $a_hier_id)
 
   92                 $this->q_node = $this->dom->create_element(
"Question");
 
   93                 $this->q_node = $this->node->append_child($this->q_node);
 
   94                 $this->q_node->set_attribute(
"QRef", 
"");