In case you want to post to a url, not for just the login. I was just experimenting. I dont have preference on the login screen. in BT_screen_settingsLogin.m in the submitclick function change the line : [downloader downloadFile]; to NSString *body = [NSString stringWithFormat:@"logInId=%@&logInPassword=%@", [appDelegate.rootUser userLogInId], [appDelegate.rootUser userLogInPassword]]; [downloader postToURL:body];