public function getStylesheets()
{
$css = $GLOBALS['injector']->getInstance('Horde_PageOutput')->css;
$stylesheets = array();
foreach ($this->getApplications() as $app) {
$app_css = $css->getStylesheets('', array('app' => $app, 'nohorde' => !in_array('horde', $this->getApplications()), 'sub' => 'block', 'subonly' => true));
if (!empty($app_css)) {
$stylesheets = array_merge($stylesheets, $app_css);
}
}
return $stylesheets;
}