The HTML 5 property window.navigator.onLine might help a bit, otherwise you could ping your server on the same domain once you received a status code 0. Just make sure that the ping won't be redirected.
-- J. -- You received this message because you are subscribed to the Google Groups "Google Web Toolkit" group. To unsubscribe from this group and stop receiving emails from it, send an email to [email protected]. To post to this group, send email to [email protected]. Visit this group at http://groups.google.com/group/google-web-toolkit. For more options, visit https://groups.google.com/groups/opt_out.
