if (document.images) 


aboutOff = new Image
aboutOff.src = "img/menu01.gif"

aboutOn = new Image
aboutOn.src = "img/menu1.gif"


contactOff = new Image
contactOff.src = "img/menu02.gif"

contactOn = new Image
contactOn.src = "img/menu2.gif"


lawOff = new Image
lawOff.src = "img/menu03.gif"

lawOn = new Image
lawOn.src = "img/menu3.gif"


linkOff = new Image
linkOff.src = "img/menu04.gif"

linkOn = new Image
linkOn.src = "img/menu4.gif"


infoOff = new Image
infoOff.src = "img/menu05.gif"

infoOn = new Image
infoOn.src = "img/menu5.gif"



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