Quick installation instructions:
Drag these two buttons on any toolbar you like:
FRoSP Button
Enable/Disable Button
Then save this file, to your UserJS folder.
You can find the location of your UserJS folder under Tools/Preferences/Advanced/Content/JavaScript Options
Please use this site for testing FRoSP. You can read comments and post as many as you like, with nonsense content if you wish. Become familiar with how FRoSP works and how useful it can be.
Please refrain from leaving test comments on other sites.