function phptemplate_breadcrumb($breadcrumb) {
  if (!empty($breadcrumb)) {
    return implode(' › ', $breadcrumb);
  }
}

function phptemplate_preprocess_page($variables) {
	$breadcrumb[] = $variables["breadcrumb"];
	$breadcrumb[] = $variables["title"];
	$variables["breadcrumb"] = implode(' › ', $breadcrumb);
}