<?php

class Base
{
  var $Database;
  var $Config;
  var $System;
  
  function __construct($System)
  {
    $this->Database = &$System->Database;
    $this->Config = &$System->Config;
    $this->System = &$System;
  }
}

class Model extends Base
{
	
}

class View extends Base
{

}

class Controller extends Base
{

}