The following text is in Portuguese:
O Brasil é o melhor time de futebol!
This is the language code identified by the Google AJAX Language API (specifically, google.language.detect):
The following is a complete list of language codes supported by google.language.Languages, and their corresponding language codes. As of June 16, 2010, there is a disconnect between Portuguese being identified as "pt" (above) and "pt-PT" (below):