userscript for FCKeditor extension

I have some users who would like to use FCKeditor while others do not want to. Is it possible to do a userscript for those users who want the editor? Does such a script already exist? I know you can do this for the WikEd extension but I could not find one for the FCKeditor extension. Thanks for any help you can provide. For information purposes we are using the latest stable FCKeditor externsion(2.51?) and Mediawiki 1.13

thanks again,

Jeff