Reset captcha via Javascript?

I'd like to reset the new v2 captcha via Javascript. Basically, I'd like to set the captcha to it's initial state where the user has to prove again that he's human.Is there a way to do this? Thanks for any hints. -- 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.