Correction of php warnings

git-svn-id: http://piwigo.org/svn/branches/release-1_3@280 68402e56-0260-453c-a942-63ccdbb3a9ee

1 files changed, 3 insertions, 3 deletions

diff --git a/include/functions_category.inc.php b/include/functions_category.inc.php
index e27573ad7..de074e82c 100644
--- a/include/functions_category.inc.php
+++ b/include/functions_category.inc.php
@@ -406,7 +406,7 @@ function get_cat_display_name( $array_cat_names, $separation,
 function initialize_category( $calling_page = 'category' )
 {
   pwg_debug( 'start initialize_category' );
-  global $page,$lang,$user,$conf;
+  global $page,$lang,$user,$conf, $where_append;
 
   if ( isset( $page['cat'] ) )
   {
@@ -537,13 +537,13 @@ function initialize_category( $calling_page = 'category' )
         $page['where'] = ' WHERE category_id != -1'.$where_append;
         $conf['order_by'] = ' ORDER BY hit DESC, file ASC';
         $page['cat_nb_images'] = $conf['top_number'];
-        if ( $page['start'] + $user['nb_image_page'] >= $conf['top_number'] )
+        if ( isset($page['start']) &&  ($page['start']+ $user['nb_image_page'] >= $conf['top_number'] ))
         {
           $page['nb_image_page'] = $conf['top_number'] - $page['start'];
         }
       }
 
-      if ( $query != '' )
+      if ( isset($query))
       {
         $result = mysql_query( $query );
         $row = mysql_fetch_array( $result );