<?php
require 'actions/Core.php';
$obj=new Core;
$obj->start();

<?php
class Core
{   # Запуск настроек при старте страницы(Выполняется в начале каждой страницы)
    function start()
    {
		session_start();
		/*if(!$this->router())
		{
			header('HTTP/1.0 404 Not Found');
			die('404 error');
		}*/
        date_default_timezone_set('Europe/Kiev');
        mysql_connect(localhost,root,"") OR DIE("Error");
        mysql_select_db(ostroum) or die(mysql_error());
        mysql_query('set names utf8') or die(mysql_error());
        echo "<script src='/actions/js.js'></script>";
		//echo "<script>alert();</script>";
    }

<?php
include_once ('actions/index.php');


$obj=new index();
$obj->start();
....

<?php
class core
{
    function start()
    { 
        session_start();
        date_default_timezone_set('Europe/Kiev');
        mysql_connect(localhost,root,"") OR DIE("Error");
        mysql_select_db(muschoice) or die(mysql_error());
        mysql_query('set names utf8') or die(mysql_error());
        echo "<script src='/actions/js.js'></script>";
    }