<?
function sendMail($to, $subject, $message, $from, $headers){

    if(isset ($to, $subject, $message, $from, $headers)){

        mail($to, $subject, $message, $from, $headers);
        echo "Uw bericht is verzonden.";

    } if(!isset ($to, $subject, $message, $from, $headers)){

        echo "Uw bericht kon niet verzonden worden.";

    }
}
?>
<div id="formulier">

    <form id="contact_form" name="contact_form" method="post" action="<? echo sendMail($_POST['receiver'], $_POST['subject'], $_POST['message'], $_POST['email'], $_POST['name']); ?>">

        <table class="contact_form">
            <tbody>

                <tr>
                    <td>
                        <label for="naam">Naam:</label>
                    </td>
                    <td>
                        <input type="text"  id="name" name="name" maxlength="50"/>
                    </td>
                </tr>

                <tr>
                    <td>
                        <label for="email">E-mail:</label>
                    </td>
                    <td>
                        <input type="text" id="email" name="email" maxlength="256"/>
                    </td>
                </tr>

                <tr>
                    <td>
                        <label for="bericht">Bericht:</label>
                    </td>
                    <td>
                        <input type="text" id="message" name="message" maxlength="500"/>
                        <input type="hidden" id="receiver" name="receiver" value="hartiism@gmail.com">
                        <input type="hidden" id="subject" name="subject" value="Portfolio Message">

                    </td>
                </tr>

                <tr>
                    <td>
                        <input type="reset" value="reset">
                    </td>
                    <td>
                        <input type="submit" value="verstuur">
                    </td>
                </tr>

            </tbody>
        </table>
    </form>

</div>