% if ( ! scalar(@{ $opt{'cdrbatches'} }) ) { 

  <INPUT TYPE="hidden" NAME="<% $opt{'element_name'} || $opt{'field'} || 'cdrbatch' %>" VALUE="<% $selected_cdrbatch %>">

% } else { 

  <TR>
    <TD ALIGN="right"><% $opt{'cdrbatch'} || 'CDR Batch: ' %></TD>
    <TD>
      <% include( '/elements/select-cdrbatch.html', 'curr_value' => $selected_cdrbatch, %opt ) %>
    </TD>
  </TR>

% } 
<%init>

my( %opt ) = @_;
my $conf = new FS::Conf;
my $selected_cdrbatch = $opt{'curr_value'}; # || $opt{'value'} necessary?

unless ( $opt{'cdrbatches'} ) {

  my $sth = dbh->prepare('SELECT cdrbatch FROM cdr')
    or die dbh->errstr;
  $sth->execute or die $sth->errstr;
  my %cdrbatches = map { $_->[0] => 1 } @{$sth->fetchall_arrayref};
  @{ $opt{'cdrbatches'} } = grep $_, keys %cdrbatches;

}

</%init>