HTML Form

        <form action="">
            First name: <input type="text" name="firstName" /> <br />
            <div id="firstNameWrong">First name is required you have to fill it.</div>
            Last name: <input type="text" name="lastName" /> <br />
            Email: <input type="text" name="email" /> <br />
            Comment: <textarea name="comment" cols="" rows="" >Place for comment...</textarea> <br />
            <input id="submit" type="submit" value="Submit" />
        </form>