a12 = new Image();
a12.src = "/pic/buttons/Toernooi_dark.jpg";
a13 = new Image();
a13.src = "/pic/buttons/Toernooi_light.jpg";

a22 = new Image();
a22.src = "/pic/buttons/Inschrijven_dark.jpg";
a23 = new Image();
a23.src = "/pic/buttons/Inschrijven_light.jpg";

a32 = new Image();
a32.src = "/pic/buttons/Sponsoren_dark.jpg";
a33 = new Image();
a33.src = "/pic/buttons/Sponsoren_light.jpg";

a42 = new Image();
a42.src = "/pic/buttons/Foto's_dark.jpg";
a43 = new Image();
a43.src = "/pic/buttons/Foto's_light.jpg";

a52 = new Image();
a52.src = "/pic/buttons/Links_dark.jpg";
a53 = new Image();
a53.src = "/pic/buttons/Links_light.jpg";