my $mode; ######### this one always undefined
  if(defined($hh_values->{'hh_id'})){
    my $mode = $form->cgi_param('mode') || 'canvas';
########### NEW VARIABLE CALLED MODE
  } else {
    $hh_values = $self->_obtain_next_household();
    $form->cgi_param( name => 'mode', value => 'next_hh' );
  }