Only one session is made.

application/controllers/Login.php

@@ -10,17 +10,16 @@ class Login extends CI_Controller
 	public function __construct()
 	{
 		parent::__construct();
+		$this->load->library('session');
 	}
 	
 	public function	index()
 	{
 		// redirect if session exists
-		$this->load->library('session');
-		
 		if($this->session->userdata('validated')){
 			redirect(base_url('/dashboard'));
 		}
-		
+				
 		$this->form_validation->set_rules('username', 'Username', 'required');
 		$this->form_validation->set_rules('password', 'Password', 'required');
 		
@@ -81,7 +80,6 @@ class Login extends CI_Controller
 	private	function _startsession($userdata)
 	{
 		// Start session with user data
-		$this->load->library('session');
 		$this->session->set_userdata($userdata);
 		
 		// Redirect to dashboard