Can't login my site wp-admin after activating reCAPTCHA

Hi there,I have installed and activated reCAPTCHA on a site I'm working on and it's working perfectly.However, after logging out of the wp-admin last night, I tried logging back in the site wp-admin and it has the reCAPTCHA code before login which is fine, however there's no login button...How do I log back into the back end of his website???I've got a screenshot of what has happend..Please help me, this is one of my clients sites and I need to get access to the back end of the site. -- You received this message because you are subscribed to the Google Groups "reCAPTCHA" group. To unsubscribe from this group and stop receiving emails from it, send an email to recaptcha+unsubscribe@googlegroups.com. To post to this group, send email to recaptcha@googlegroups.com. Visit this group at http://bit.ly/1dkFnYd. For more options, visit http://bit.ly/P65DvS.