4892: vitals.inc.php: Fix warnings and errors

  * undefined variables: $_content_id, $_sequence_links

diff --git a/include/vitals.inc.php b/include/vitals.inc.php
index e184df4..33b41e6 100644 (file)
--- a/include/vitals.inc.php
+++ b/include/vitals.inc.php
@@ -247,7 +247,7 @@ if ($_course_id > 0)
        }
        else // guest
        {
-               $_SESSION['s_cid'] = $_content_id;
+               if (isset($_content_id)) $_SESSION['s_cid'] = $_content_id;
        }
 }
 
@@ -260,7 +260,7 @@ if ($_course_id > 0)
        include_once(TR_INCLUDE_PATH. '../home/classes/ContentManager.class.php');
        
        $contentManager = new ContentManager($_course_id);
-       $_sequence_links = $contentManager->generateSequenceCrumbs($_content_id);
+       $_sequence_links = isset($_content_id) ? $contentManager->generateSequenceCrumbs($_content_id) : NULL;
 }
 
 /*** 10. register pages based on user's priviledge ***/