sub cgiapp_prerun {
        my $self = shift;
        my $q = $self->query();
        my $runmode = $self->get_current_runmode();
        return unless(exists $template_files{$runmode});
        $self->{"_html_template"} = HTML::Template->new(filename => $template_files{$runmode}, associate => $q);
        $self->{"_html_template"}->param($runmode => 1);
}