All content of this web is bilingual: English and Czech. Author's native language is Czech and he's just autodidact in English. Please excuse all mistakes and blunders you surely can find on this site. The author is doing his best.
The idea of bilingual web pages comes from Peter-Paul Koch, although the solutions are not the same. Many thanks for the inspiration.
The author and owner of this web site is Petr Stanicek (aka Pixy). He lives in Czechia, Europe. More details about him and his work can be found on the homepage www.pixy.cz.