DefaultLanguage

This option will allow you to change FCKeditor default language from English to your native language. Languages that are available are listed bellow: 

• Afrikaans (af)
• Arabic (ar)
• Basque (eu)
• Bengali/Bangla (bn)
• Bulgarian (bg)
• Catalan (ca)
• Chinese Simplified (zh-cn)
• Chinese Traditional (zh)
• Croatian (hr)
• Czech (cs)
• Danish (da)
• Dutch (nl)
• Esperanto (eo)
• Faroese (fo)
• Finnish (fi)
• French (fr)
• Galician (gl)
• German (de)
• Greek (gr)
• Hindi (hi)
• Hungarian (hu)
• Italian (it)
• Japanese (jp)
• Korean (ko)
• Lithuanian (lt)
• Norwegian (no)
• Persian (fa)
• Polish (pl)
• Portuguese (Brazil) (pt-br)
• Portuguese (Portugal) (pt)
• Romanian (ro)
• Russian (ru)
• Serbian Cyrillic (sr) and Serbian Latin (sr-latn)
• Slovak (sk)
• Slovenian (sl)
• Spanish (es)
• Swedish (sv)
• Thai (th)
• Turkish (tr)
• Ukrainian (uk)
• Vietnamese (vi)

To change the default language simply put the shorten name of your language (shown beside your language in brackets) into the following code:

FCKConfig.DefaultLanguage = "pl" ;

NOTE:This option will not work if you set the AutoDetectLanguage option to true. If you want to use the DefaulLanguage option disable AutoDetectLanguage by setting it to false.