//preload images
one = new Image()
one.src = "graphics/biography.gif"
two = new Image()
two.src = "graphics/services.gif"
three = new Image()
three.src = "graphics/rates.gif"
four = new Image()
four.src = "graphics/policies.gif"
five = new Image()
five.src = "graphics/faq.gif"
six = new Image()
six.src = "graphics/contact.gif"
seven = new Image()
seven.src = "graphics/login.gif"
nine = new Image()
nine.src = "graphics/recommends.gif"

oneon = new Image()
oneon.src = "graphics/biographyon.gif"
twoon = new Image()
twoon.src = "graphics/serviceson.gif"
threeon = new Image()
threeon.src = "graphics/rateson.gif"
fouron = new Image()
fouron.src = "graphics/policieson.gif"
fiveon = new Image()
fiveon.src = "graphics/faqon.gif"
sixon = new Image()
sixon.src = "graphics/contacton.gif"
sevenon = new Image()
sevenon.src = "graphics/loginon.gif"
nineon = new Image()
nineon.src = "graphics/recommendson.gif"

//functions

function imgOn(pict){
document[pict].src = eval(pict + "on.src")
}

function imgOff(pict){
document[pict].src = eval(pict + ".src")
}