To retrieve info from extenal website , we request one expert with CURL, expertised in session and cookies requests into POST and GEST forms.
I've already the code using opensourced HTML SIMPLE DOM 1.5, that works fine! Now we only need to investigate how session and cookie requests work within paginasblancas dot com dot pe with Firebug or HTTP Analyzer, then adapt our PHP code to work with sessions on website paginas blancas dot com dot pe making the request with 2 steps, simulating real navigation!