I am in the process of creating a form which provides 3 options for locations Sydney, Melbourne and Brisbane. Each location is relevant to each state and rather than have 3 seperate forms for each location, i would like to have one form which can have 3 radio buttons which changes the address to the relevant location.
Sure, this is possible, using a script. The address needs to be located inside a (read-only) text field, though.
See this tutorial on how to do it with a drop-down list. Using radio-buttons is a bit different, but not by much: