foreach my $v (@persist_vars) {
foreach my $val ($q->param($v)) {
next if (! $val || $val eq '');
$hidden_vars .= '<input type="hidden" name="'.$v.'" value="'.$val.'"/>'."\n";
foreach my $v (@persist_vars) {
foreach my $val ($q->param($v)) {
next if (! $val || $val eq '');
$hidden_vars .= '<input type="hidden" name="'.$v.'" value="'.$val.'"/>'."\n";