function show_input_fields(id) {
  $('section_' + id + '_input').show();
  $('section_' + id + '_sample').hide();
  $('view_selection_' + id + '_input').addClassName('active');
  $('view_selection_' + id + '_sample').removeClassName('active');
}
function show_sample_data(id) {
  $('section_' + id + '_input').hide();
  $('section_' + id + '_sample').show();
  $('view_selection_' + id + '_sample').addClassName('active');
  $('view_selection_' + id + '_input').removeClassName('active');
}
function ask_a_question(id, title) {
  window.open('/user_questions/new?section_id=' + id, 'ask_a_question', 'width=820,height=560,scrollbars,resizeable');
}