Minor - flint fixes

main/install/configuration.dist.php

@@ -1327,4 +1327,3 @@ requires extension "php-soap"  sudo apt-get install php-soap
 // You need add a new option called "confirmation" to the registration settings
 //INSERT INTO settings_options (variable, value, display_text) VALUES ('allow_registration', 'confirmation', 'MailConfirmation');
 // ------ (End) Custom DB changes
-

main/lp/lp_controller.php

@@ -104,9 +104,6 @@ $htmlHeadXtra[] = '
             var index = jItems.index(jItem);
             var total = jItems.length;     
                
-            //console.log("total " + total);            
-            //console.log("current " + index);   
-               
             switch (dir) {
                 case "up":
                     if (index != 0 && jItems[index - 1]) {
@@ -1193,6 +1190,8 @@ switch ($action) {
             $hide_toc_frame = null;
             if (isset($_REQUEST['hide_toc_frame']) && $_REQUEST['hide_toc_frame'] == 1) {
                 $hide_toc_frame = $_REQUEST['hide_toc_frame'];
+            } else {
+                $hide_toc_frame = null;
             }
             $_SESSION['oLP']->set_hide_toc_frame($hide_toc_frame);
             $_SESSION['oLP']->set_prerequisite(isset($_POST['prerequisites']) ? (int) $_POST['prerequisites'] : 0);