From b123c44e6d1ea9a82d0b055f4e319c86bed00e22 Mon Sep 17 00:00:00 2001
From: Bruce Allen <bruce.allen@aei.mpg.de>
Date: Wed, 11 May 2005 09:37:44 +0000
Subject: [PATCH] Eliminate undefined indexes

svn path=/trunk/boinc/; revision=6110
---
 checkin_notes           | 1 +
 html/inc/forum_show.inc | 8 ++++----
 2 files changed, 5 insertions(+), 4 deletions(-)

diff --git a/checkin_notes b/checkin_notes
index d9bc78c4a2..c03a6deb1c 100755
--- a/checkin_notes
+++ b/checkin_notes
@@ -6421,6 +6421,7 @@ Bruce 11 May 2005
             forum.inc
             util.inc
             prefs.inc
+            forum_show.inc
             host.inc
         user/
             prefs.php
diff --git a/html/inc/forum_show.inc b/html/inc/forum_show.inc
index e082ef2ac8..8b62e67a11 100644
--- a/html/inc/forum_show.inc
+++ b/html/inc/forum_show.inc
@@ -40,7 +40,7 @@ function show_page_nav($forum) {
         } else {
             $gotoStr .= '<a href="forum_forum.php?id='.$_GET['id'];
             $gotoStr .= '&start='.(($curPage-1)*$threads_per_page);
-            $gotoStr .= '&sort='.$_GET["sort"];
+            if (isset($_GET["sort"])) $gotoStr .= '&sort='.$_GET["sort"];
             $gotoStr .= '">Previous</a> <a href="forum_forum.php?id='.$_GET['id'].'&start=0">1</a>';
         }
 
@@ -52,7 +52,7 @@ function show_page_nav($forum) {
                 $gotoStr .= ($i > 0 && $pages[$i-1] == $pages[$i] - 1)?', ':' ... ';
                 $gotoStr .= '<a href="forum_forum.php?id='.$_GET['id'];
                 $gotoStr .= '&start='.($pages[$i]*$threads_per_page);
-                $gotoStr .= '&sort='.$_GET["sort"];
+                if (isset($_GET["sort"])) $gotoStr .= '&sort='.$_GET["sort"];
                 $gotoStr .= '">'.($pages[$i]+1).'</a>';
             }
         }
@@ -62,11 +62,11 @@ function show_page_nav($forum) {
         } else {
             $gotoStr .= ', <a href="forum_forum.php?id='.$_GET['id'];
             $gotoStr .= '&start='.(($totalPages-1)*$threads_per_page);
-            $gotoStr .= '&sort='.$_GET["sort"];
+            if (isset($_GET["sort"])) $gotoStr .= '&sort='.$_GET["sort"];
             $gotoStr .= '">'.$totalPages.'</a> ';
             $gotoStr .= '<a href="forum_forum.php?id='.$_GET['id'];
             $gotoStr .= '&start='.(($curPage+1)*$threads_per_page);
-            $gotoStr .= '&sort='.$_GET["sort"];
+            if (isset($_GET["sort"])) $gotoStr .= '&sort='.$_GET["sort"];
             $gotoStr .= '">Next</a>';
         }