And it looks like that they are using the following library: http://code.google.com/p/language-detection/ http://code.google.com/p/language-detection/ - at leas

And it looks like that they are using the following library: http://code.google.com/p/language-detection/ http://code.google.com/p/language-detection/ - at least the number & list of languages is very similar :-)