Thanks, but don't see an answer for me unless I am missing something.
What I need to have is simply a list of id's from the most recent collection, in a filtered and sorted state, not sure if it makes sense to store it during the collection display. Then from any detail plant, just have to find the current item id in the list and move forwards or backwards from that.
Or other way is to rerun the most recent query again from each detail page to recreate the list.
I'll try both, but just wondered if there was a simpler or more correct way to do this.
So, really a matter of the best way to do this.