Looking for this [check inside]

[andor1995]

I'm looking for a "menu" or what is it called, that appears upside of the textbox when your editing a post or page or w/e. And you can add tag with it. Like place the text to center or make text bold etc etc...

I'd need it's script.

something like this:

[TheProdigyGuy]

Check it out:
ckeditor.com

[Rhandyx]

I use this one:

http://www.tinymce.com