function check(form) {
	if (form.problem_name.value == '') {
		alert('請輸入問題名稱');
		form.problem_name.focus();
		return false;
	}
	if (form.problem_desc.value == '') {
		alert('請描述您的問題');
		form.problem_desc.focus();
		return false;
	}
	return true;
}