There where some issues with trying to access non-existing dom elements
when clicking them when showing trips.
Instead of fixing that issue, this actually makes them do something
useful, expanding and collapsing the trips.
Signed-off-by: Anton Lundin <glance@acc.umu.se>
Signed-off-by: Dirk Hohndel <dirk@hohndel.org>
cfd001702f
