JavaScript Spell Check's windows, dialogs and menus have been translated into a large number of international languages.

The language used can be set in using the $Spelling.UserInterfaceTranslation.

Read the JavaScript Spell Check Internationalization Tutorial....

Values of $Spelling.UserInterfaceTranslation are:

Modify A Translation

Modify a translation is as easy as opening the file in JavaScriptSpellCheck/translations and changing the text in question.

Creating A New Translation

Also see our other spellchecking plugins for CKEditor, TinyMCE Editor, ASP.Net, Classic ASP, jQuery & PHP