не правильно объясняетеhttp://www.youtube.com/watch?v=vawuVcvQG8oи еще куча http://www.youtube.com/results?search_query=%D1%81%D0%B0%D0%BC%D0%BE%D1%83%D0%B1%D0%B8%D0%B9%D1%86%D0%B0+%D0%BF%D1%80%D1%8B%D0%B3%D0%BD%D1%83%D0%BB+%D0%BF%D0%BE%D0%B4+%D0%BC%D0%B0%D1%88%D0%B8%D0%BD%D1%83&oq=%D1%81%D0%B0%D0%BC%D0%BE%D1%83%D0%B1%D0%B8%D0%B9%D1%86%D0%B0+%D0%BF%D1%80%D1%8B%D0%B3%D0%BD%D1%83%D0%BB+%D0%BF%D0%BE%D0%B4+%D0%BC%D0%B0%D1%88%D0%B8%D0%BD%D1%83&gs_l=youtube.3...9601.15508.0.15833.21.16.0.5.5.0.210.2209.5j8j3.16.0...0.0...1ac.1.JvA6Oyns2KA