if (document.images) 


sportsOff = new Image
sportsOff.src = "../img/sports1.gif"

sportsOn = new Image
sportsOn.src = "../img/sports2.gif"


crossOff = new Image
crossOff.src = "../img/cross1.gif"

crossOn = new Image
crossOn.src = "../img/cross2.gif"


mtbOff = new Image
mtbOff.src = "../img/mtb1.gif"

mtbOn = new Image
mtbOn.src = "../img/mtb2.gif"


roadOff = new Image
roadOff.src = "../img/road1.gif"

roadOn = new Image
roadOn.src = "../img/road2.gif"


premiumOff = new Image
premiumOff.src = "../img/premium1.gif"

premiumOn = new Image
premiumOn.src = "../img/premium2.gif"

miniOff = new Image
miniOff.src = "../img/mini1.gif"

miniOn = new Image
miniOn.src = "../img/mini2.gif"

saleOff = new Image
saleOff.src = "../img/sale1.gif"

saleOn = new Image
saleOn.src = "../img/sale2.gif"

itemOff = new Image
itemOff.src = "../img/item1.gif"

itemOn = new Image
itemOn.src = "../img/item2.gif"

familyOff = new Image
familyOff.src = "../img/family1.gif"

familyOn = new Image
familyOn.src = "../img/family2.gif"

adultOff = new Image
adultOff.src = "../img/adult1.gif"

adultOn = new Image
adultOn.src = "../img/adult2.gif"

adult2Off = new Image
adult2Off.src = "../img/adult3.gif"

adult2On = new Image
adult2On.src = "../img/adult4.gif"

adult3Off = new Image
adult3Off.src = "../img/adult5.gif"

adult3On = new Image
adult3On.src = "../img/adult6.gif"

childOff = new Image
childOff.src = "../img/child1.gif"

childOn = new Image
childOn.src = "../img/child2.gif"

elecOff = new Image
elecOff.src = "../img/elec1.gif"

elecOn = new Image
elecOn.src = "../img/elec2.gif"

factoryOff = new Image
factoryOff.src = "../img/factory1.gif"

factoryOn = new Image
factoryOn.src = "../img/factory2.gif"

acessOff = new Image
acessOff.src = "../img/acess1.gif"

acessOn = new Image
acessOn.src = "../img/acess2.gif"

lawOff = new Image
lawOff.src = "../img/law1.gif"

lawOn = new Image
lawOn.src = "../img/law2.gif"


contactOff = new Image
contactOff.src = "../img/contact1.gif"

contactOn = new Image
contactOn.src = "../img/contact2.gif"

function chgImg(imgField,newImg) {
         if (document.images) {
                document[imgField].src= eval(newImg + ".src")
                }
         }