CURL Script to download files behind login

Task: Enter in a page through login with simple captcha, fill search box, and download file list USING CURL Process i'm getting: I'm trying to enter to [login to view URL] user:CAGJ7912059L6 pass:Jechavi1 I have seen it has redirection url in answer headers, with cookies, in this order 1) [login to view URL] 2) [login to view URL] 3)[login to view URL] 4) [login to view URL] receiven html with a simple captcha (not recaptcha) login info 5) Then It receives login information and do a post like this: URL:[login to view URL] POST: option=credential&Ecom_User_ID=CAGJ7912059L6&Ecom_Password=Jechavi1&jcaptcha=h7n82n8&submit=Enviar If you achieve to login, then I'll award u this job. Finally is needed to go to "Consultar Facturas Recibidas", select radio button (Fecha de Emisión *), and fill search fields, search and finally download file list in search results I attach my progress (I mean it's really basic)