throws IOException {
ResponseWriter writer = context.getResponseWriter();
JSFunction ajaxFunction = AjaxRendererUtils.buildAjaxFunction(calendar,
context, AjaxRendererUtils.AJAX_FUNCTION_NAME);
ajaxFunction.addParameter(JSReference.NULL);
HashMap<String, Object> params = new HashMap<String, Object>();
params.put(calendar.getClientId(context) + CURRENT_DATE_PRELOAD, Boolean.TRUE);
Map<String, Object> options = AjaxRendererUtils.buildEventOptions(context, calendar, params);