CSS_THEME, 'browsers' => array('IE' => 'lte IE 8', '!IE' => FALSE), 'preprocess' => FALSE));
  // Add conditional CSS for IE6.
  // drupal_add_css(path_to_theme() . '/ie6.css', array('group' => CSS_THEME, 'browsers' => array('IE' => 'lt IE 7', '!IE' => FALSE), 'preprocess' => FALSE));
}
/**
 * Override or insert variables into the page template.
 */
function gui7_preprocess_page(&$vars) {
  $vars['primary_local_tasks'] = $vars['tabs'];
  unset($vars['primary_local_tasks']['#secondary']);
  $vars['secondary_local_tasks'] = array(
    '#theme' => 'menu_local_tasks',
    '#secondary' => $vars['tabs']['#secondary'],
  );
}
/**
 * Display the list of available node types for node creation.
 */
function gui7_node_add_list($variables) {
  $content = $variables['content'];
  $output = '';
  if ($content) {
    $output = '
';
  }
  else {
    $output = '' . t('You have not created any content types yet. Go to the content type creation page to add a new content type.', array('@create-content' => url('admin/structure/types/add'))) . '
';
  }
  return $output;
}
/**
 * Overrides theme_admin_block_content().
 *
 * Use unordered list markup in both compact and extended mode.
 */
function gui7_admin_block_content($variables) {
  $content = $variables['content'];
  $output = '';
  if (!empty($content)) {
    $output = system_admin_compact_mode() ? '' : '';
  }
  return $output;
}
/**
 * Override of theme_tablesort_indicator().
 *
 * Use our own image versions, so they show up as black and not gray on gray.
 */
function gui7_tablesort_indicator($variables) {
  $style = $variables['style'];
  $theme_path = drupal_get_path('theme', 'seven');
  if ($style == 'asc') {
    return theme('image', array('path' => $theme_path . '/images/arrow-asc.png', 'alt' => t('sort ascending'), 'width' => 13, 'height' => 13, 'title' => t('sort ascending')));
  }
  else {
    return theme('image', array('path' => $theme_path . '/images/arrow-desc.png', 'alt' => t('sort descending'), 'width' => 13, 'height' => 13, 'title' => t('sort descending')));
  }
}
/**
 * Implements hook_css_alter().
 */
function gui7_css_alter(&$css) {
  // Use Seven's vertical tabs style instead of the default one.
  if (isset($css['misc/vertical-tabs.css'])) {
    $css['misc/vertical-tabs.css']['data'] = drupal_get_path('theme', 'seven') . '/vertical-tabs.css';
  }
  if (isset($css['misc/vertical-tabs-rtl.css'])) {
    $css['misc/vertical-tabs-rtl.css']['data'] = drupal_get_path('theme', 'seven') . '/vertical-tabs-rtl.css';
  }
  // Use Seven's jQuery UI theme style instead of the default one.
  if (isset($css['misc/ui/jquery.ui.theme.css'])) {
    $css['misc/ui/jquery.ui.theme.css']['data'] = drupal_get_path('theme', 'seven') . '/jquery.ui.theme.css';
  }
}