Stuff

function index()
{
                $this->load->library('validation');
		$rules['accept'] = 'callback_blah';
		$this->validation->set_rules($rules);
		
		$d['input'] = $_POST ? $_POST : array();
		
		if ($this->validation->run())
		{
			$data['plan'] = $this->input->post('plan');
			if ($this->input->post('auto-recharge')) $data['auto-recharge'] = $this->input->post('auto-recharge');
			$this->session->set_userdata($data);
			//redirect('calling/step1');
		}
		else
		{
			$this->layout->view('calling/index', $d);
		}
	}
	
	function blah($str)
	{
			$this->validation->set_message('blah', "You must accept %s the terms and conditions,");
			return false;
	}