Calendar Helper Previous and Next features

Rails
1

How do I implement the previous and next (month and/or year)
functionality for the Calender Helper Plugin, as seen on
http://www.rubyonrailsworkshops.com. I have not found documentation or
code snippet for this. Please help.

2

Try posting your question on refwell.com You might get your answer
there.

3

Please,
I have the same problem, can anybody help us?

Thanks a lot.