try putting code

	include_once('class/db.php');
	include_once('form_page/index_login.php');
	session_start();
	
	define('BLOCK_NUM',3);
	define('MAIN_COLOR','#e3e2df');
	define('HEAD_COLOR','#333');
	try
	{
		[email protected]$_GET['to'];
		
	}
	catch(Exception $e)
	{
	
	}
?>