button1up=new Image(205,38);
button1up.src="images/oferta1.jpg";
button1down=new Image(205,38);
button1down.src="images/oferta.jpg";

button2up=new Image(182,38);
button2up.src="images/realizacje1.jpg";
button2down=new Image(182,38);
button2down.src="images/realizacje.jpg";

button3up=new Image(200,38);
button3up.src="images/referencje1.jpg";
button3down=new Image(200,38);
button3down.src="images/referencje.jpg";

button4up=new Image(214,38);
button4up.src="images/kontakt1.jpg";
button4down=new Image(214,38);
button4down.src="images/kontakt.jpg";

button5up=new Image(11,9);
button5up.src="images/home1.jpg";
button5down=new Image(11,9);
button5down.src="images/home.jpg";

button6up=new Image(11,9);
button6up.src="images/mail1.jpg";
button6down=new Image(11,9);
button6down.src="images/mail.jpg";

button7up=new Image(11,9);
button7up.src="images/sitemap1.jpg";
button7down=new Image(11,9);
button7down.src="images/sitemap.jpg";

button8up=new Image(150,50);
button8up.src="images/domar_architektura.jpg";
button8down=new Image(150,50);
button8down.src="images/domar_architektura1.jpg";