You could use Go To Related Records, but you need to include checks to make sure that there really is a related record to go to. Without those checks, Go To Related Record will not change layouts nor will it modify the current found set.
For more on this subject: Go To Related Records is a very useful tool, but which is very poorly documented. To learn more about GTRR, click the following link:
The Complete Go To Related Record
The find record method isn't all that hard to setup and with newer versions of filemaker, you can pass the information you need to use in your find as a script parameter and there's no need to use the clipboard to paste information into your find request.