- (void)webViewDidFinishLoad:(UIWebView *)webView {
    //fill data
    NSString *email = @"myemail@email.com";
    NSString *password = @"mypassword";
    NSString *fillDataJsCall = [NSString stringWithFormat:@"document.getElementById('expert_email').value = '%@';document.getElementById('expert_password').value = '%@';", email, password];
    [webView stringByEvaluatingJavaScriptFromString:fillDataJsCall];

    //check checkboxes
    [webView stringByEvaluatingJavaScriptFromString:@"document.getElementById('expert_remember_me').checked = true; document.getElementById('expert_terms_of_service').checked = true;"];

    //submit form
    dispatch_after(dispatch_time(DISPATCH_TIME_NOW, 1 * NSEC_PER_SEC), dispatch_get_main_queue(), ^(void)
    {
       [webView stringByEvaluatingJavaScriptFromString:@"document.forms["new_expert"].submit();"];
    });
}

func webViewDidFinishLoad(webView: UIWebView) {

    // fill data
    let savedUsername = "USERNAME"
    let savedPassword = "PASSWORD"

    let fillForm = String(format: "document.getElementById('expert_email').value = '(savedUsername)';document.getElementById('expert_password').value = '(savedPassword)';")
    webView.stringByEvaluatingJavaScriptFromString(fillForm)

    //check checkboxes
    webView.stringByEvaluatingJavaScriptFromString("document.getElementById('expert_remember_me').checked = true; document.getElementById('expert_terms_of_service').checked = true;")

     //submit form
    dispatch_after(dispatch_time(DISPATCH_TIME_NOW, Int64(1 * NSEC_PER_SEC)), dispatch_get_main_queue()){
        webView.stringByEvaluatingJavaScriptFromString("document.forms["new_expert"].submit();")
    }
}

dispatch_after(dispatch_time(dispatch_time_t(DispatchTime.now()), Int64(UInt64(1 * NSEC_PER_SEC))), dispatch_get_main_queue()){
        webView.stringByEvaluatingJavaScript(from: "document.forms["new_expert"].submit();")
    }