class tree_node
{ 
  var $parent;
  var $child;
  var $module;
  var $name;
  var $titel;
  
  
function tree_node($a=NULL, $b=NULL, $c=NULL, $d=NULL,$e=NULL){
$this->parent=$a;
$this->child=$b;
$this->module=$c;
$this->name=$d;
$this->titel=$e;
}
}