function _set_number($num, $type)
 {
     $found = false;
     for ($i = 0; $i < count($this->phone_numbers); $i++) {
         if ($this->phone_numbers[$i]->type == $type) {
             $found = true;
             $this->phone_numbers[$i]->set_phone($num);
         }
     }
     if ($found == false) {
         $p = new PhoneNumber("", $this->id);
         $p->set_type($type);
         $p->set_phone($num);
         $this->phone_numbers[] = $p;
         //print_r($this->phone_numbers);
         //echo "num is now:" . $p->get_phone_display()  . "<br />";
     }
 }