Hi Peter!
Thx for the answers.
1. I actually just removel the first “tools: ‘bold italic underline | left center right’ ” from the example: javascript-editor-inline-editing.htm and it produced what I wrote. And did againt and it did it again. In FF 19.0 “offline mode” (without http server use, just opening the file). U can see it in this albums pics: 
2. Anyway, I looked into the code of the editor and I saw the solutions to the rest of my questions. E.g. I know how to get the editor object; how to execute the action, etv. etc. Because JS is JS. (JS = JavaScript, to be fully clear)
I only needed to demininify (beautify) the code of the editor, I looked at the code (read it), then all answers came.
Thanks again for the editor and the information from you!
ThetaG