a2 = new Image();
a2.src = "pic/icons/pijl2.gif";
a3 = new Image();
a3.src = "pic/icons/pijl.gif";

b2 = new Image();
b2.src = "pic/icons/pijl2.gif";
b3 = new Image();
b3.src = "pic/icons/pijl.gif";

c2 = new Image();
c2.src = "pic/icons/pijl2.gif";
c3 = new Image();
c3.src = "pic/icons/pijl.gif";

d2 = new Image();
d2.src = "pic/icons/pijl2.gif";
d3 = new Image();
d3.src = "pic/icons/pijl.gif";

e2 = new Image();
e2.src = "pic/icons/pijl2.gif";
e3 = new Image();
e3.src = "pic/icons/pijl.gif";

f2 = new Image();
f2.src = "pic/icons/pijl2.gif";
f3 = new Image();
f3.src = "pic/icons/pijl.gif";

g2 = new Image();
g2.src = "pic/icons/pijl2.gif";
g3 = new Image();
g3.src = "pic/icons/pijl.gif";

h2 = new Image();
h2.src = "pic/icons/pijl2.gif";
h3 = new Image();
h3.src = "pic/icons/pijl.gif";

i2 = new Image();
i2.src = "pic/icons/pijl2.gif";
i3 = new Image();
i3.src = "pic/icons/pijl.gif";

j2 = new Image();
j2.src = "pic/icons/pijl2.gif";
j3 = new Image();
j3.src = "pic/icons/pijl.gif";

k2 = new Image();
k2.src = "pic/icons/pijl2.gif";
k3 = new Image();
k3.src = "pic/icons/pijl.gif";

l2 = new Image();
l2.src = "pic/icons/pijl2.gif";
l3 = new Image();
l3.src = "pic/icons/pijl.gif";

m2 = new Image();
m2.src = "pic/icons/pijl2.gif";
m3 = new Image();
m3.src = "pic/icons/pijl.gif";

n2 = new Image();
n2.src = "pic/icons/pijl2.gif";
n3 = new Image();
n3.src = "pic/icons/pijl.gif";

o2 = new Image();
o2.src = "pic/icons/pijl2.gif";
o3 = new Image();
o3.src = "pic/icons/pijl.gif";