Go here: http://www.horizonsunlimited.com/tripplan/transport/
And you'll see on the right a login button, and "to edit your own details or shipments.
Once you're logged in look on the right for the Check or Edit my own shipments
link, and you'll get a listing of your own shipments and in the shipment details is a button "Click here to change this shipment"
Thanks for posting your shipment information!
Any comments on how to improve the system much appreciated, as we will be redoing it shortly.
We will have "single-sign-on" for it - in other words your HUBB id will be what you use for the shipments system. Once logged in you are logged in on both systems. And I be sure to make the "Edit your own shipment" more obvious!
Seek, and ye shall find.
Inspiring, Informing and Connecting travellers since 1997!