Hello, I want to translate text dynamically from my VBA application with the Google translation tool.

I have already figured out how to send the original text (eg in English) to the 'original text field' (id in html is 'source').

QUESTION: How to set the from and to languages (combobox)?
I have spend several hours to find out how to set the 'from' and 'to' language. Without succes. Can anybody help me? It seems...