function update($fields)

 {

  global $db, $settings, $language, $newid, $plurallinks;

  

  if ($fields == 'all') $memberlist = explode(',', $settings->memberfields);

  else $memberlist = explode(',', $fields);

  $num = sizeof($memberlist);

  for ($count=0; $count<$num; $count++)

  {

   if ($memberlist[$count] == 'links') $memberlist[$count] = $plurallinks;

   if (!$this->groupcanusehtml) $this->$memberlist[$count] = striphtml($this->$memberlist[$count]);

   $toupdate .= $memberlist[$count] .'=';

   $toupdate .= "'".  encodeit($this->$memberlist[$count]) ."'";   

   $toupdate .= ', ';

  }
  $toupdate = trim($toupdate, ', ');
  $result = $db->updatelist('memberstable', $toupdate, $newid .'='. $this->id);

  return true;

 }