change to dom_id_for to handle cases where id is nil. more helpers for rollover-botton functions. View related changes to support author-notes.
change to dom_id_for to handle cases where id is nil.
more helpers for rollover-botton functions.
View related changes to support author-notes.

concord-consortium/rigse,concord-consortium/rigse,concord-consortium/rigse,concord-consortium/rigse,concord-consortium/rigse,concord-consortium/rigse