images not viewed when going to other pages

[eluser]rochellecanale[/eluser]
my Controller
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<?php

class HomePage extends CI_Controller{

public function __construct(){
parent::__construct();
$this->load->helper(array('form','html','url'));
$this->load->library('form_validation');
}

public function index(){
$data['title'] = "Welcome to eload Multi Level Marketing!!";

$this->form_validation->set_rules('username','Username','required|xss_clean');
$this->form_validation->set_rules('password','Password','required|md5');

if($this->form_validation->run() == FALSE){
$this->load->view('templates/header',$data);
$this->load->view('sites/login');
$this->load->view('templates/footer');
}else{
$this->load->view('templates/header');
$this->load->view('sites/sucess');
$this->load->view('templates/footer');
}
}

public function addNewMember(){
$data['title'] = "Create your own Free Account Now!!!";
$this->load->view('templates/header',$data);
$this->load->view('sites/addNewMember');
$this->load->view('templates/footer');
}
}

?>