We have a form, which post data to web service. In first open occur error with message where we can see all script from event, because our web server don't exist in Trust Manager of Reader. How we can add server url in Trust Manager from form's code / get settings of Reader's Trust Manager to know that user add our server in Trust Manager or not / hide error message with script from event of button? And button's script, which posts data to webservice, wrote in FormCalc and we must not change language to JavaScript.