This extension allows you to quickly view your returns of the page by Chaining them, that is, when viewing an return, there will be 2 buttons:
1. View Previous (if there is one)
2. View Next (if there is one)

The previous/next return is exactly the previous/next return of the return you're viewing of the page (that can be filtered, ordered, sorted,..

Demo:
http://opencart-extension.tk

Admin:
http://opencart-extension.tk/admin/
user:demo
pwd:demo

OR Alt+A from the store

For any ideas/suggestions/bugs/questions do not hesitate to make a comment, it will be highly appreciated and quickly fixed!