Bug: Passage Focus is not retained in Commentaries

To reproduce from PG:-

1. Run PG on Gen 2:5-25
2. Select Opening up Genesis in Commentaries section --> opens to Gen 3:1-5:32
3. Keep moving with Right Arrow key --> tries to track with passage from step 2

To reproduce from Pulpit Commentary:-

1. Open Pulpit to Gen 2:5-25
2. Use Parallel Resource sets (PRS) to select  Opening up Genesis --> opens to 3:1-5:32
3. Keep moving with Right Arrow key --> tries to track with passage from step 2

Note 1: there is the possibility of Opening up Genesis at 1:1–2:25!

Note 2: there is some similarity to this wiki bug but I can reproduce this one!

Note 3: the Forum link from wiki at Note 2 is scrambled and get Page not Found in IE & FF!