about = new Image();
about.src = "img/menu-about.gif";
abouton = new Image();
abouton.src = "img/menu-about-on.gif";
contact = new Image();
contact.src = "img/menu-contact.gif";
contacton = new Image();
contacton.src = "img/menu-contact-on.gif";
leasing = new Image();
leasing.src = "img/menu-leasing.gif";
leasingon = new Image();
leasingon.src = "img/menu-leasing-on.gif";
flight = new Image();
flight.src = "img/menu-flight.gif";
flighton = new Image();
flighton.src = "img/menu-flight-on.gif";
locations = new Image();
locations.src = "img/menu-locations.gif";
locationson = new Image();
locationson.src = "img/menu-locations-on.gif";
people = new Image();
people.src = "img/menu-people.gif";
peopleon = new Image();
peopleon.src = "img/menu-people-on.gif";
learn1 = new Image();
learn1.src = "img/home-learnmore-1.jpg";
learn1on = new Image();
learn1on.src = "img/home-learnmore-1-on.jpg";
learn2 = new Image();
learn2.src = "img/home-learnmore-2.jpg";
learn2on = new Image();
learn2on.src = "img/home-learnmore-2-on.jpg";

function swap(item, mode) {
	if (mode == "on") {
		document.images[item].src = eval(item + "on.src");
	} else {
		document.images[item].src = eval(item + ".src");
	}
}