Contact form not send complete

HI friends I am designer website in that site i used contact form. i look it form kirupa contact form tutorial. Form is wroking but i am not getting all data for mail.

mailer.php:
<?php
if(isset($_POST[‘submit’])) {
$to = “info@suminco-peru.com”;
$subject = “Email enviado desde la pagina web”;
$nombre_field = $_POST[‘nombre’];
$apellido_field = $_POST[‘apellido’];
$email = $_POST[‘email’];
$telf = $_POST[‘telf’];
$message = $_POST[‘message’];
$option = $_POST[‘radio’];
$dropdown = $_POST[‘drop_down’];
foreach($_POST[‘check’] as $value) {
$check_msg .= "Checked: $value
";
}

$body = "From: $nombre_field
Apellido: $apellido_field
E-Mail: $email_field
Telf: $telf_field
$check_msg Option: $option
Drop-Down: $dropdown
Message:
$message
";
echo “Tu email ha sido enviado de forma exitosa a $to!”;
mail($to, $subject, $body);

} else {
echo “blarg!”;
}
?>

contact.htm:
<html>
<head>
<meta http-equiv=“Content-Language” content=“en-us”>
<meta http-equiv=“Content-Type” content=“text/html; charset=windows-1252”>
<title>New Page 1</title>
</head>
<body>
<form method=“POST” action=“mailer.php”>
Nombre:
<input type=“text” name=“nombre” size=“19”><br>
<br>
Apellido:
<input type=“text” name=“apellido” size=“19”><br>
<br>
E-Mail:
<input type=“text” name=“email” size=“19”><br>
<br>
Telf:
<input type=“text” name=“telf” size=“19”><br>
<br>

<input type=“checkbox” name=“check[]” value=“blue_color”> Blue<br>
<input type=“checkbox” name=“check[]” value=“green_color”> Green<br>
<input type=“checkbox” name=“check[]” value=“orange_color”> Orange<br>
<br>
<input type=“radio” value=“yes” name=“radio”> YES<br>
<input type=“radio” value=“no” name=“radio”> NO
<br>
<br>
<select size=“1” name=“drop_down”>
<option>php</option>
<option>xml</option>
<option>asp</option>
<option>jsp</option>
</select><br>
<br>
Message:<br>
<textarea rows=“9” name=“message” cols=“30”></textarea><br>
<br>
<input type=“submit” value=“Submit” name=“submit”>
</form>
</body>
</html>

Help! please, sorry but my english is more and less :cantlook:

but I just arrived this without field email and telf.

From: andres
Apellido: navarrete
E-Mail:
Telf:
Checked: green_color
Option: yes
Drop-Down: php
Message:
prueba 7