a1=new Image(130,20)
a1.src="images/button-home-1.png"
a2=new Image(130,20)
a2.src="images/button-home-2.png"

b1=new Image(130,20)
b1.src="images/button-accomodations-1.png"
b2=new Image(130,20)
b2.src="images/button-accomodations-2.png"

c1=new Image(130,20)
c1.src="images/button-activities-1.png"
c2=new Image(130,20)
c2.src="images/button-activities-2.png"

d1=new Image(130,20)
d1.src="images/button-about-1.png"
d2=new Image(130,20)
d2.src="images/button-about-2.png"

e1=new Image(130,20)
e1.src="images/button-reservations-1.png"
e2=new Image(130,20)
e2.src="images/button-reservations-2.png"

f1=new Image(130,20)
f1.src="images/button-local-1.png"
f2=new Image(130,20)
f2.src="images/button-local-2.png"

g1=new Image(130,20)
g1.src="images/button-contact-1.png"
g2=new Image(130,20)
g2.src="images/button-contact-2.png"

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