image01a = new Image;
image01a.src = "buttons/busvermietung.png";

image01b = new Image;
image01b.src = "buttons/autobus-vermietung.png";

image02a = new Image;
image02a.src = "buttons/bus-charter.png";

image02b = new Image;
image02b.src = "buttons/charter-buses.png";

image03a = new Image;
image03a.src = "buttons/louer-autobus.png";

image03b = new Image;
image03b.src = "buttons/louer-autocars.png";

image04a = new Image;
image04a.src = "buttons/noleggio-pullman.png";

image04b = new Image;
image04b.src = "buttons/noleggio-autobus.png";

image05a = new Image;
image05a.src = "buttons/autobusy-drezno.png";

image05b = new Image;
image05b.src = "buttons/drezno-autobusy.png";