homeOff = new Image
homeOn = new Image
flightsOff = new Image
flightsOn = new Image
hotelsOff = new Image
hotelsOn = new Image
carhireOff = new Image
carhireOn = new Image
insuranceOff = new Image
insuranceOn = new Image
travelinfoOff = new Image
travelinfoOn = new Image
contactOff = new Image
contactOn = new Image
helpOff = new Image
helpOn = new Image
linksOff = new Image
linksOn = new Image
holidaysOff = new Image
holidaysOn = new Image
parkingOff = new Image
parkingOn = new Image

homeOff.src = "/graphs/home.gif"
homeOn.src = "/graphs/home.ov.gif"
flightsOff.src = "/graphs/flights.gif"
flightsOn.src = "/graphs/flights.ov.gif"
hotelsOff.src = "/graphs/hotels.gif"
hotelsOn.src = "/graphs/hotels.ov.gif"
carhireOff.src = "/graphs/carhire.gif"
carhireOn.src = "/graphs/carhire.ov.gif"
insuranceOff.src = "/graphs/insurance.gif"
insuranceOn.src = "/graphs/insurance.ov.gif"
travelinfoOff.src = "/graphs/travelinfo.gif"
travelinfoOn.src = "/graphs/travelinfo.ov.gif"
contactOff.src = "/graphs/aboutus.gif"
contactOn.src = "/graphs/aboutus.ov.gif"
helpOff.src = "/graphs/help.gif"
helpOn.src = "/graphs/help.ov.gif"
linksOff.src = "/graphs/links.gif"
linksOn.src = "/graphs/links.ov.gif"
holidaysOff.src = "/graphs/holidays.gif"
holidaysOn.src = "/graphs/holidays.ov.gif"
parkingOff.src = "/graphs/parking.gif"
parkingOn.src = "/graphs/parking.ov.gif"

function rollover(a,b) {

document[a].src = eval(b + ".src")

}