yet another blix theme

<?php
/*
Template Name: contact
*/
?>


<?php get_header(); ?>
<?php get_sidebar(); ?>


<!-- content -->


<div id="content">


<?php if (have_posts()) : ?>


    <?php while (have_posts()) : the_post(); ?>


        <?php
        //validate email adress
        function is_valid_email($email)
        {
              return (eregi ("^([a-z0-9_]|\\-|\\.)+@(([a-z0-9_]|\\-)+\\.)+[a-z]{2,4}$", $email));
        }


        //clean up text
        function clean($text)
        {
            return stripslashes($text);
        }


        //encode special chars (in name and subject)
        function encodeMailHeader ($string, $charset = 'UTF-8')
        {
            return sprintf ('=?%s?B?%s?=', strtoupper ($charset),base64_encode ($string));
        }


        $bx_name    = (!empty($_POST['bx_name']))    ? $_POST['bx_name']    : "";
        $bx_email   = (!empty($_POST['bx_email']))   ? $_POST['bx_email']   : "";
        $bx_url     = (!empty($_POST['bx_url']))     ? $_POST['bx_url']     : "";
        $bx_subject = (!empty($_POST['bx_subject'])) ? $_POST['bx_subject'] : "";
        $bx_message = (!empty($_POST['bx_message'])) ? $_POST['bx_message'] : "";


        $bx_subject = clean($bx_subject);
        $bx_message = clean($bx_message);
        $error_msg = "";
        $send = 0;


        if (!empty($_POST['submit'])) {
            $send = 1;
            if (empty($bx_name) || empty($bx_email) || empty($bx_subject) || empty($bx_message)) {
                $error_msg.= "<p><strong>Bitte f&uuml;llen Sie alle Pflichtelder aus.</strong></p>\n";
                $send = 0;
            }
            if (!is_valid_email($bx_email)) {
                $error_msg.= "<p><strong>Bitte geben Sie eine g&uuml;ltige Email-Adresse an.</strong></p>\n";
                $send = 0;
            }
        }


        if (!$send) { ?>


            <h2><?php the_title(); ?></h2>
            <?php
                the_content();
                echo $error_msg;
            ?>


            <form method="post" action="<?php echo "http://" . $_SERVER['HTTP_HOST'] . $_SERVER['REQUEST_URI']; ?>" id="contactform">
                <fieldset>
                    <p><label for="bx_name">Name</label> <input type="text" name="bx_name" id="bx_name" value="<?php echo $bx_name; ?>" tabindex="1" /></p>
                    <p><label for="bx_email">Email</label> <input type="text" name="bx_email" id="bx_email" value="<?php echo $bx_email; ?>" tabindex="2" /></p>
                    <p><label for="bx_url">Url</label> <input type="text" name="bx_url" id="bx_url" value="<?php echo $bx_url; ?>" tabindex="3" /> <em>Optional</em></p>
                    <p><label for="bx_subject">Betreff</label> <input type="text" name="bx_subject" id="bx_subject" value='<?php echo $bx_subject; ?>' tabindex="4" /></p>
                    <p><label for="bx_message">Nachricht</label> <textarea name="bx_message" id="bx_message" cols="45" rows="10" tabindex="5"><?php echo $bx_message; ?></textarea></p>
                    <p><input type="submit" name="submit" value="Submit" class="button" tabindex="6" /></p>
                </fieldset>
            </form>


        <?php
        } else {


            $displayName_array    = explode(" ",$bx_name);
            $displayName = htmlentities(utf8_decode($displayName_array[0]));


            $header  = "MIME-Version: 1.0\n";
            $header .= "Content-Type: text/plain; charset=\"utf-8\"\n";
            $header .= "From:" . encodeMailHeader($bx_name) . "<" . $bx_email . ">\n";
            $email_subject    = "[" . get_settings('blogname') . "] " . encodeMailHeader($bx_subject);
            $email_text        = "From......: " . $bx_name . "\n" .
                              "Email.....: " . $bx_email . "\n" .
                              "Url.......: " . $bx_url . "\n\n" .
                              "..........................................................\n" .
                              "Subject...: " . $bx_subject . "\n" .
                              "..........................................................\n\n" .
                              $bx_message;


            if (@mail(get_settings('admin_email'), $email_subject, $email_text, $header)) {
                echo "<h2>Hallo " . $bx_name . ",</h2><p>vielen Dank f&uuml;r Ihre Nachricht<br />Wir werden so schnell wie m&ouml;glich antworten.</p>";
            }
        }
        ?>


    <?php endwhile; ?>


<?php endif; ?>


</div>


<!-- /content -->






<?php get_footer(); ?>