var questionService = false;
function createQuestion(eventid, text, handle, successCallback, errorCallback) {
	if(!questionService) {
		questionService = new dojo.rpc.JsonService("QuestionService.json.do");
		questionService.bustCache = true;
	}
	
	questionService.submitQuestion(eventid, text, handle).addCallback(
		successCallback
	).addErrback(
		errorCallback
	);
}