--- /Users/daniele/Desktop/funzionando1.1.2/latest/moodle19/lib/weblib.php	2009-02-17 00:05:37.000000000 +0100
+++ /Applications/MAMP/htdocs/moodle19/lib/weblib.php	2009-02-19 14:38:06.000000000 +0100
@@ -3788,6 +3798,35 @@
                 'type' => 'home');
     }
 
+    if (!isset($CFG->hidecategorynavlink)) {
+        // use default = show
+        $CFG->hidecategorynavlink = 0;
+    }
+    if ($CFG->hidecategorynavlink == 0) {
+        // Non nascondere a nessuno
+        $showcategory = true;
+    }
+    if ($CFG->hidecategorynavlink == 1) {
+        // Nascondi agli studenti
+        $showcategory = !has_capability('moodle/course:view', get_context_instance(CONTEXT_COURSE, $COURSE->id), '', false);
+    }
+    if ($CFG->hidecategorynavlink == 2) {
+        // Nascondi a tutti gli utenti
+        $showcategory = false;
+    }
+
+    if (isset($COURSE) && $showcategory) {
+       $catlinks = array();
+		if ($cattree = get_record("course_categories", "id", $COURSE->category)) {
+			$catlinks[] = array('name' => $cattree->name, 'link' => "category.php?id=$COURSE->category", 'type' => 'category');
+			while ($cattree->parent) {
+				$cattree = get_record("course_categories", "id", $cattree->parent);
+				array_unshift($catlinks, array('name' => $cattree->name, 'link' => "category.php?id=$COURSE->category", 'type' => 'category'));
+			}
+		}
+		$navlinks = array_merge($navlinks, $catlinks);
+    }
+    
     // Course name, if appropriate.
     if (isset($COURSE) && $COURSE->id != SITEID) {
         $navlinks[] = array(