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image01a.src = "images/wienerschatzkammer.png";

image01b = new Image;
image01b.src = "images/schatzkammerwien.png";

image02a = new Image;
image02a.src = "images/imperial-treasury-vienna.png";

image02b = new Image;
image02b.src = "images/vienna-imperial-treasury.png";

image03a = new Image;
image03a.src = "images/tresor-imperial-vienne.png";

image03b = new Image;
image03b.src = "images/vienne-tresor-imperial.png";

image04a = new Image;
image04a.src = "images/tesoro-imperiale-vienna.png";

image04b = new Image;
image04b.src = "images/vienna-tesoro-imperiale.png";