function createCompleted( ) {
    if( !isset( $this->completed['value']['year'] )  &&
        !isset( $this->completed['value']['month'] ) &&
        !isset( $this->completed['value']['day'] )   &&
        !isset( $this->completed['value']['hour'] )  &&
        !isset( $this->completed['value']['min'] )   &&
        !isset( $this->completed['value']['sec'] ))
      return;
    $formatted  = $this->_format_date_time( $this->completed['value'], 7 );
    $attributes = $this->_createParams( $this->completed['params'] );
    return $this->_createElement( 'COMPLETED', $attributes, $formatted );
  }