Someone

	if(!empty($_GET['id']))
	{
		include("includes/test.php"); 
	}
	elseif(!empty($_GET['p']) == "register")
	{
		include("includes/registerstepone.php");
	}
	elseif(!empty($_GET['p']) == "lostpassword")
	{
		include("includes/lostpasswordstep.php");
	}
	else { include 'includes/main.php'; }