- remove admin :hover css rule (bouncing thumbnails in caddie FF)

- move some code from notification.php to notification.tpl
- remove some unused variables from picture.php
- make random.php work even if top_number is a lot (some issues solved with url length)

git-svn-id: http://piwigo.org/svn/trunk@2446 68402e56-0260-453c-a942-63ccdbb3a9ee

random.php

@@ -52,7 +52,7 @@ SELECT DISTINCT(id)
     'WHERE'
   ).'
   ORDER BY RAND(NOW())
-  LIMIT 0, '.$conf['top_number'].'
+  LIMIT 0, '.min(50, $conf['top_number'],$user['nb_image_page']).'
 ;';
 
 // +-----------------------------------------------------------------------+