image01a = new Image;
image01a.src = "images/busvermietung-oesterreich.png";

image01b = new Image;
image01b.src = "images/oesterreich-busvermietung.png";

image02a = new Image;
image02a.src = "images/autobus-autriche.png";

image02b = new Image;
image02b.src = "images/autriche-autobus.png";

image03a = new Image;
image03a.src = "images/pullman-austria.png";

image03b = new Image;
image03b.src = "images/austria-pullman.png";

image04a = new Image;
image04a.src = "images/coaches-austria.png";

image04b = new Image;
image04b.src = "images/austria-coaches.png";