function Enviar_email($assunto, $email_enviado, $erro, $post) {

	$destino = "myemail@somedomain.com";
	$email = htmlentities(addslashes($post["email"]));
	$nome = htmlentities(addslashes($post["nome"]));

	$headers  = "MIME-Version: 1.0\r\n";
	$headers .= "Content-type: text/html; charset=iso-8859-1\r\n";
	if($email) {
  	$headers .= "From: $nome <$email>\r\n";
  } else {
    $headers .= "From: Formulário de Contato\r\n";
  }
	$mensagem = "<html><head></head><body>";
	foreach($post as $key => $value) {
		$mensagem .= $key . ": " . $value . "<br />";
	}
	$mensagem .= "</body></html>";

	if (mail($destino,$assunto,$mensagem,$headers)) {
		echo $email_enviado;
	}else{
		echo $erro;
	}
}