//see if the user still needs to login
    		if( ! $this->authentica->is_logged_in())
    		{
    			//load the user model
    			$this->load->model('user_model');
    			//complete a login
    			$username = $this->input->post('username');
    			$password = $this->input->post('password');

    			$user = $this->user_model->get_username_password($username, $password);
    			if( ! $user)
    			{
    				echo "Wrong username and password combination";
    				return true;
    			}

    			//tell the authentication library to login
    			$this->authentica->login($user->id);
    			//continue on
    		}
    		//redirect to the post login controller/function
    		redirect('post/login');