Sending Texts to a Costa Rica Cellular Connection rental cell phone for free

The website where you can send text messages to a rental cell phone in Costa Rica for free is actually a CR newspaper website called http://www.nacion.com/ and everything is in Spanish. Here is the link to the log in page.
http://registro.nacion.com/register/html/LN/LoginForm.jsp?URL=http://registro.nacion.com/register/ir_sms.jsp&MKC=http://dycon.nacion.com/cgi/mkc.pl&CN=REG_SESSION&LANG=en

Instructions:
Please register or sign up for a user name and pasword. Or contact us and we can give you our account log information that you use.
Once you have a login and password, all you have to do is enter your info to send a text to a Costa Rica rental cell phone.
You will see a message box and then it will take you to the La Nacion website with all the local news.

Scroll down until you see a box that says : "SMS GRATIS" (Free text messaging)
Translations for text messaging box:
NUMERO DE CELULAR= cell phone number. Type in the local 8 digit number.
MENSAJE=message. Type in your brief message here.
ACEPTO TERMINOS DE USO= I accept user terms. Please check this box.
Enviar mensansaje= Send message. Finally click here to send a text messages to the CR cell phone.
I would be happy to assist you if you need help sending a text message to one of our rental cell phones in Costa Rica.