clarify code behavior

2010-07-02 11:22:36 -04:00
parent a7afb107eb
commit 1db012abc8
1 changed files with 3 additions and 0 deletions
--- a/js/common.js
+++ b/js/common.js
@@ -101,10 +101,13 @@ function setDb(new_db) {
        var old_db = db;
        db = new_db;

+        // the db name as an id exists only when LeftFrameLight is false
        if (window.frame_navigation.document.getElementById(db) == null) {
+            // happens when LeftFrameLight is true
            // db is unknown, reload complete left frame
            refreshNavigation();
        } else {
+            // happens when LeftFrameLight is false
            unmarkDbTable(old_db);
            markDbTable(db);
        }