- is_homepage not set for flat view/calendar modes

- added require jquery for some footer_script
- removed unused/unnecesary css (hope I'm done for now)
- if page[start] is greater than number of items than page not found (google+bing bots automatically detect patterns and increment start parameter)

git-svn-id: http://piwigo.org/svn/trunk@13872 68402e56-0260-453c-a942-63ccdbb3a9ee

index.php

@@ -39,6 +39,10 @@ if (isset($page['category']))
 {
   check_restrictions($page['category']['id']);
 }
+if ($page['start']>0 && $page['start']>=count($page['items']))
+{
+  page_not_found('', duplicate_index_url(array('start'=>0)));
+}
 
 trigger_action('loc_begin_index');