my email sign up not working

[eluser]Unknown[/eluser]
function sendHtmlMail($to ='',$from ='',$subject='',$message='',$cc='')
{
// load Email Library
$this->load->library('email');

$config['mailtype'] = 'html';
$config['wordwrap'] = TRUE;

$this->email->initialize($config);

$this->email->to($to);
$this->email->from($from);
$this->email->cc($cc);
$this->email->subject($subject);
$this->email->message($message);
$this->email->send();
if ( ! $this->email->send())
{
echo $this->email->print_debugger();
}
}