function newImg(arg) {
	if (document.images) {
		rslt = new Image();
		rslt.src = arg;
		return rslt;
	}
}

function imgOn(iName) {
	if (document.images) {
		document.images[iName].src = eval(iName + "On.src");
		
	}
}

function imgOff(iName) {
	if (document.images) {
		document.images[iName].src = eval(iName + "Off.src");
	}
}

function preloadImages() {
	if (document.images) {

		packagingOn = newImg("http://www.ballamericas.com/img/navBA/packagingOn.gif");
		packagingOff = newImg("http://www.ballamericas.com/img/navBA/packagingOff.gif");

		innovationOn = newImg("http://www.ballamericas.com/img/navBA/innovationOn.gif");
		innovationOff = newImg("http://www.ballamericas.com/img/navBA/innovationOff.gif");

		catalogOn = newImg("http://www.ballamericas.com/img/navBA/catalogOn.gif");
		catalogOff = newImg("http://www.ballamericas.com/img/navBA/catalogOff.gif");

		careersOn = newImg("http://www.ballamericas.com/img/navBA/careersOn.gif");
		careersOff = newImg("http://www.ballamericas.com/img/navBA/careersOff.gif");

	}
}