GR does not show changes in album

I have had some problems with one of my albums recently and as a result have had to restore to a previous back up point on my server. The album is working fine now, so I went to re-upload a couple of albums using GR1.5 However, when I log in, it is still showing the two albums which are no longer in my Gallery (1.5.6).
How can I force GR to refresh? Shouldn't it be doing so every time I log in?

http://www.photosbybailini.com/g1/Equine
shows the three albums which should be there. When I log in via GR, it shows two additional albums which were created while I was having problems, but since the restore are not there anymore.

Does any of this make sense?