form.add(new CheckBox("globalServices"));
form.add(new TextField<Integer>("numDecimals").add(new MinimumValidator<Integer>(0)));
form.add(new DropDownChoice("charset", AVAILABLE_CHARSETS));
form.add(new DropDownChoice<ResourceErrorHandling>("resourceErrorHandling", Arrays.asList(ResourceErrorHandling.values()),
new ResourceErrorHandlingRenderer()));
form.add(new TextField("proxyBaseUrl").add(new UrlValidator()));
logLevelsAppend(form, loggingInfoModel);
form.add(new CheckBox("stdOutLogging", new PropertyModel( loggingInfoModel, "stdOutLogging")));
form.add(new TextField("loggingLocation", new PropertyModel( loggingInfoModel, "location")) );