Dont see image word ans audio button ???

Hi, This is my problem but only in Firefox 28, in all others browsers work well. Have already try all that I found in the net but nothings happens for me, (reset cache memory, cookies, session, reset browser, etc...) Need help... Thks every one! Pier -- 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.