use HTML::FillInForm;
use HTML::Template;
use CGI;
my $query = CGI->new;
my $html = <<__TEMPLATE__;
<input type="checkbox" name="typeofinfo" value="1" /> Program<br />
<input type="checkbox" name="typeofinfo" value="2" /> Abstracts<br />
<input type="checkbox" name="typeofinfo" value="3" /> Exhibits<br />
<input type="checkbox" name="typeofinfo" value="4" /> Registration<br />
__TEMPLATE__

my $fillinformvalues = { typeofinfo => [ 1, 4 ] };
my $form = new HTML::FillInForm;
my $page = $form->fill(
   scalarref  => \$html,
    fdat        => $fillinformvalues );
print $page;