startOn = new Image();
startOn.src = "/images/start_o.gif";
startOff = new Image();
startOff.src = "/images/start.gif";

informatieOn = new Image();
informatieOn.src = "/images/informatie_o.gif";
informatieOff = new Image();
informatieOff.src = "/images/informatie.gif";

gastenboekOn = new Image();
gastenboekOn.src = "/images/gastenboek_o.gif";
gastenboekOff = new Image();
gastenboekOff.src = "/images/gastenboek.gif";

fotoalbumOn = new Image();
fotoalbumOn.src = "/images/fotoalbum_o.gif";
fotoalbumOff = new Image();
fotoalbumOff.src = "/images/fotoalbum.gif";

tarievenOn = new Image();
tarievenOn.src = "/images/tarieven_o.gif";
tarievenOff = new Image();
tarievenOff.src = "/images/tarieven.gif";

routeOn = new Image();
routeOn.src = "/images/route_o.gif";
routeOff = new Image();
routeOff.src = "/images/route.gif";

contactOn = new Image();
contactOn.src = "/images/contact_o.gif";
contactOff = new Image();
contactOff.src = "/images/contact.gif";