function show_hidden_licence_type(check) {

   var row_passiv = document.getElementById('driving_licence_type_tr_passiv');
   var radio_passiv = document.getElementById('driving_licence_type_passiv');
   
   var row_activ = document.getElementById('driving_licence_type_tr_activ');
   var radio_activ = document.getElementById('driving_licence_type_activ');

   if (check.checked==true) {
        row_passiv.style.display = '';
        radio_passiv.disabled = false;
        row_activ.style.display = '';
        radio_activ.disabled = false;

   } else {
        row_passiv.style.display = 'none';
        radio_passiv.disabled = true;
        row_activ.style.display = 'none';
        radio_activ.disabled = true;

   }
}

function disable_other_program(select) {
    var count = select.options.length - 1;
    var other_program = document.getElementById('other_program');
    var other_program_container = document.getElementById('other_program_container');

    if (select.selectedIndex == count) {
        other_program.disabled = false;
        other_program_container.style.display = 'block';
    } else {
        other_program.disabled = true;
        other_program_container.style.display = 'none';
    }
}