Index: trunk/kernel/include/usersession.php
===================================================================
diff -u -N -r4896 -r5185
--- trunk/kernel/include/usersession.php	(.../usersession.php)	(revision 4896)
+++ trunk/kernel/include/usersession.php	(.../usersession.php)	(revision 5185)
@@ -935,8 +935,10 @@
          while($rs && !$rs->EOF)
          {
             $index = $rs->fields["CatId"];
-            if(!is_numeric($PermValue[$index]))
+            if(!is_numeric($PermValue[$index]) || $rs->fields["PermissionValue"]) {
+            	// remember permission value of not set or allowed
                 $PermValue[$index] = $rs->fields["PermissionValue"];
+            }
             $rs->MoveNext();
          }
          $cats = array_reverse(explode(",",$CatList));