image01a = new Image;
image01a.src = "bilder/linz-sightseeing.png";

image01b = new Image;
image01b.src = "bilder/sightseeing-linz.png";

image02a = new Image;
image02a.src = "bilder/linz-tours.png";

image02b = new Image;
image02b.src = "bilder/tours-linz.png";

image03a = new Image;
image03a.src = "bilder/linz-tourisme.png";

image03b = new Image;
image03b.src = "bilder/tourisme-linz.png";

image04a = new Image;
image04a.src = "bilder/linz-turismo.png";

image04b = new Image;
image04b.src = "bilder/turismo-linz.png";