From 952df1198a0f8be7c88c6654aeff6e3194179885 Mon Sep 17 00:00:00 2001
From: Isaac Flores <isaac.flores@beeznest.com>
Date: Tue, 9 Dec 2008 19:03:34 +0100
Subject: [PATCH] [svn r17183] minor - style changes - defined variable

---
 main/gradebook/lib/fe/displaygradebook.php | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/main/gradebook/lib/fe/displaygradebook.php b/main/gradebook/lib/fe/displaygradebook.php
index 1e21b63f89..e9110a583c 100644
--- a/main/gradebook/lib/fe/displaygradebook.php
+++ b/main/gradebook/lib/fe/displaygradebook.php
@@ -240,7 +240,8 @@ class DisplayGradebook
 				for ($i= 0; $i < $cat[2]; $i++) {
 					$line .= '&mdash;';
 				}
-				if ($_GET['selectcat'] == $cat[0]) {
+				$line=isset($line) ? $line : '';
+				if (isset($_GET['selectcat']) && $_GET['selectcat'] == $cat[0]) {
 					$header .= '<option selected value=' . $cat[0] . '>' . $line . ' ' . $cat[1] . '</option>';
 				} else {
 					$header .= '<option value=' . $cat[0] . '>' . $line . ' ' . $cat[1] . '</option>';