Deutsche Umlaute im Kontaktformular

<?php




$your_name			= "Markus Mustermann";
$your_email			= "markus.mustermann@musterstadt.de";
$your_web_site_name		= "Mustermann GmbH";


?>


<?php 


if(isset($_POST['name'])) {


		
		if(trim($_POST['name']) === '') {
			$hasError = true;
		} else {
			$name = trim($_POST['name']);
		}


		if(trim($_POST['email']) === '')  {
			$hasError = true;
		} else if (!preg_match('^[a-zA-Z0-9_.-]+@[a-zA-Z0-9-]+.[a-zA-Z0-9-.]+$^', trim($_POST['email']))) {
			$hasError = true;
			$errorMessage = "Bitte geben Sie eine g&uuml;ltige Mailadresse an!";
		} else {
			$email = trim($_POST['email']);
		}


		
		if(isset($_POST['phone'])) $phone = trim($_POST['phone']);


		if(isset($_POST['company_name'])) $company_name = trim($_POST['company_name']);


		
		if(isset($_POST['company_url'])) $company_url = trim($_POST['company_url']);


			

		if(trim($_POST['message']) === '') {
			$hasError = true;
		} else {
			if(function_exists('stripslashes')) {
				$comments = stripslashes(trim($_POST['message']));
			} else {
				$comments = trim($_POST['message']);
			}
		}






		
		if(!isset($hasError)) {


			$emailTo = $your_email;
			$subject = 'Nachricht &uuml;ber das Kontaktformular '.$name;

			//message body 
			$body  ="Name: $name \n\n";
			$body .="Email: $email \n\n";
			if(isset($phone)) $body .="Telefon:$phone\n\n";
			if(isset($company_name)) $body .="Firmenname:$company_name\n\n";
			if(isset($company_url)) $body .="Firmen Url:$company_url \n\n";
			$body .="Nachricht: $comments";




			$headers = 'Von: '.$your_web_site_name.' <'.$emailTo.'>' . "\r\n" . 'Antworten: ' . $email;



			mail($emailTo, $subject, $body, $headers);


			$emailSent = true;
	}
} 
?>


<?php if(isset($emailSent) == true) { ?>
	<div class="ok_box">
		<h3>Vielen Dank, <?php echo $name;?></h3>
		<p>Wir haben Ihre Email erhalten und werden uns so schnell wie m&ouml;glich mit Ihnen in Verbindung setzen.</p>
	</div>
<?php } ?>


<?php if(isset($hasError) ) { ?>
	<div class="error_box">
		Fehler bei der Dateneingabe!
		<br />
		<?php echo $errorMessage;?>
	</div>
<?php } ?>

<?php


mail ("name@empfaenger.de",


"Betreffzeile",


"Nachricht",


"Mime-Version: 1.0 Content-Type: text/plain; charset=ISO-8859-1 Content-Transfer-Encoding: quoted-printable" );


?>