a1=new Image(66,47)
a1.src="images/pages_home1.png"
a2=new Image(66,47)
a2.src="images/pages_home2.png"

b1=new Image(68,47)
b1.src="images/pages_about1.png"
b2=new Image(68,47)
b2.src="images/pages_about2.png"

c1=new Image(85,47)
c1.src="images/pages_contact1.png"
c2=new Image(85,47)
c2.src="images/pages_contact2.png"

d1=new Image(126,47)
d1.src="images/pages_source1.png"
d2=new Image(126,47)
d2.src="images/pages_source2.png"

e1=new Image(101,47)
e1.src="images/pages_examples1.png"
e2=new Image(101,47)
e2.src="images/pages_examples2.png"

f1=new Image(107,47)
f1.src="images/pages_programs1.png"
f2=new Image(107,47)
f2.src="images/pages_programs2.png"

g1=new Image(73,47)
g1.src="images/pages_tricks1.png"
g2=new Image(73,47)
g2.src="images/pages_tricks2.png"

h1=new Image(90,47)
h1.src="images/pages_exploits1.png"
h2=new Image(90,47)
h2.src="images/pages_exploits2.png"

i1=new Image(84,47)
i1.src="images/pages_forums1.png"
i2=new Image(84,47)
i2.src="images/pages_forums2.png"

function imgSwap(imagename,objectsrc) {
  if (document.images)
    document.images[imagename].src=eval(objectsrc+".src")
}