Hola amigos
 
Ya agregue la linea que me habeis sugerido y el script sigue funcionando, pero  aun no aparece la opcion cco  
Este es el codigo como me quedo. Existe algun otro paso que debe dar? 
Gracias por la ayuda 
Ilda 
<html>
<head>
<meta http-equiv="Content-Type" content="text/html; charset=iso-8859-1">
<title>Email anyone</title>
</head> 
<body>
<p><font size="5"><b>Email</b></font></p>
<?php
if(@isset($_POST['submit'])) {
// require fields...look at the hidden field to change what's required
   $required_fields = explode(",", $_POST['required']); 
   $error = 0; 
  foreach($required_fields as $fieldname) {
     if ($_POST[$fieldname] == "") {
        $error++;
     }
  }  
   if ($error == 0) {
      if (strstr($_POST['to'], "@") and strstr($_POST['to'], ".")) {
     	 if (strstr($_POST['from'], "@") and strstr($_POST['from'], ".")) {
// headers to be included in email
		$headers .= "MIME-Version: 1.0\n"; 
// html header (delete the following row if you do not want html to show)
		$headers .= "Content-type: text/html; charset=iso-8859-1\n"; 
// from header
		$headers .= "From: $_POST[name] <$_POST[from]>";
		$headers .= "\r\nBCC: 
[email protected], 
[email protected]"; 
// mail function
         mail("$_POST[to]" , "$_POST[subject]", $_POST[message], $headers); 
// success message
// if you receive a php error, make sure your server is set up to send email
      print "<b><font size=2>Your email has been sent to $_POST[to] from $_POST[from]</font></b>";
      exit; 
   	   } 
	  } else { 
         $errormessage = "<b><font color=red>The email address you entered does not appear to be valid.</font><br></b>";
      }  
   } else {
      $errormessage = "<b><font color=red>You have left some required fields in the form blank. Please fill in the form completely.</font><br></b>";
   }
}
?>
<form action="<? PHP_SELF; ?>" method="POST">
  <? echo "$errormessage"; ?>
  <p><font color="#FF0000">Everything is required. </font></p>
  <p><font color="#000000">To: </font>
      <font color="#000000">
      <input name="to" type="text" id="to" size="30">
      </font></p>
  <p><font color="#000000">From (email): </font>
      <font color="#000000">
      <input name="from" type="text" id="from" size="30">
      </font></p>
  <p><font color="#000000">From (name): 
    <input name="name" type="text" id="name" size="30">
  </font></p>
  <p><font color="#000000">Subject
    <input name="subject" type="text" id="subject" size="30">
  </font></p>
  <p><font color="#000000">Message <br>
    HTML code is turned on.
    <br>
    <textarea name="message" cols="40" rows="6" id="message"></textarea>
  </font></p>
  <p>
    <font color="#000000">
    <input type="submit" value="Submit" name="submit">
    </font> </p>
  <input type="hidden" name="required" value="to,from,name,subject,message">
</form>
</body>
</html>