X-Git-Url: http://git.harvie.cz/?a=blobdiff_plain;f=wwwroot%2Finc%2Fpermissions.inc;fp=wwwroot%2Finc%2Fpermissions.inc;h=e6c2eb95ce7322c4b33d88a5589811dd3f5b1cbf;hb=8fce70c6673fc30d8cb3d7c859e3fbcf53e34125;hp=64da8ef3c81797e960b87cba1170ee28aad2b02f;hpb=d9464c685bd249a07b65ed8a514ac29ab86da57e;p=mirrors%2FKyberia-bloodline.git

diff --git a/wwwroot/inc/permissions.inc b/wwwroot/inc/permissions.inc
index 64da8ef..e6c2eb9 100644
--- a/wwwroot/inc/permissions.inc
+++ b/wwwroot/inc/permissions.inc
@@ -5,8 +5,13 @@ class permissions {
 function isHierarch($node) {
 
 	global $db;
-	$user_id=$_SESSION['user_id'];
+	if (IsSet($_SESSION['user_id'])) {
+	        $user_id=$_SESSION['user_id'];
+	} else {
+	        $user_id=0;
+	}
 	if (!$user_id) return false;
+
 	$node_vector=chunk_split($node['node_vector'],VECTOR_CHARS,';');
 	$hierarchy=explode(';',$node_vector);
 	foreach ($hierarchy as $hierarch) {