Text_field_with_auto_complete depending on another field

Rails
1

Hi,

I have 2 text input fields.

  1. City
  2. Client

I want to use auto_complete on both.
As soon as you have entered the city, the list of possible
clients is much smaller.

How should I best do that?
Does anybody have an example to share?

Thanks for your help,
-Armin