reCAPTCHA Forms stopped working

Hi! My clients site includes multiple forms that implement reCATPCHA. They used to work, but they don't anymore. I tried using a new code, but each time I receive this error: Errors found: The reCAPTCHA validation failed. Please try again.A sample of the page is at:http://bit.ly/1lhun1T -- 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/1gYXIc9.