%if ($use_sub_dst_thing && $src_pkey eq 'crednum') {
what.form.tax_button.disabled=false;
what.form.clear_button.disabled=false;
%if ($use_sub_dst_thing && $src_pkey eq 'crednum') {
what.form.tax_button.disabled=false;
what.form.clear_button.disabled=false;