I want to put a captcha in the login page to delete the brute force attacks (test premium accounts usser:pass)

I try to put the code but I only can see part of the code in register.html

Can help me?

My proggressbar don´t works.

How i can do to fix it?
How i can do to make default the progress "ON"?

User: demo
Pass: demo

image:

http://postimage.org/image/706l6muxv/