document.createElement('header');
document.createElement('section');
document.createElement('footer');

$('a[data-image]').live('click', function() {
  var id = $(this).attr('data-image');
  var parent = $(this).parents('div');
  $('a[data-image]', parent).removeClass('current');
  $(this).addClass('current');
  $('#main_image img').hide();
  $('#' + id).show();
  return false;
});