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

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

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

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

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