image1 = new Image();
image1.src = "images/menu_strona_glowna_on.jpg";

image2 = new Image();
image2.src = "images/menu_uslugi_on.jpg";

image3 = new Image();
image3.src = "images/menu_nagrody_i_wyroznienia_on.jpg";

image4 = new Image();
image4.src = "images/menu_galeria_on.jpg";

image5 = new Image();
image5.src = "images/menu_kontakt_on.jpg";