Greasy Fork is available in English.
Store multiple email templates on the Contact Requester page
Version 1.0
Tested on: Chrome version 28, Chrome version 36, Firefox version 31
Next update: Still testing so it could be anything.
Once this script is installed it will add five blank templates to all contact pages. Each template can be edited and saved from the same page. No need to go into the code.
On Load http://i.imgur.com/CCme4Er.png
On Click http://i.imgur.com/KwEWjRS.png