Breadcrumbs

Hi,

I'm using the breadcrumbs at the orane theme, but I have differtent categories and subcategories.  And when I select a product in a subcategorie I only see the "name of the product" and "HOME" in the breadcrumb.  How can I edit the code in the template so I can see also the categories and subcategories in the breadcrumbs?

function orane_breadcrumb($variables) {
  // Convenience variable:
  $breadcrumb = $variables['breadcrumb'];
  $breadcrumb[] = drupal_get_title();
  // If we have any breadcrumbs:
  if (!empty($breadcrumb) && (count($breadcrumb) > 1)) {
    // Convert 'em to a string:
    $breadcrumbs = implode(' <span class="divider">/</span> ', $breadcrumb);
    // Build a heading--here at least, we're following the D7 convention of
    // accompanying menus with invisible headings to aid in text-only navigation:
    $heading = t('You are here');
    // Pattern for output:
    $output_pattern = '<h2 class="element-invisible">%s</h2><ul class="breadcrumb">%s</ul>';
    // Return the markup:
    return sprintf($output_pattern, $heading, $breadcrumbs);
  }
}