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

function changeImages() {
	if (document.images && (preloadFlag == true)) {
		for (var i=0; i<changeImages.arguments.length; i+=2) {
			document[changeImages.arguments[i]].src = changeImages.arguments[i+1];
		}
	}
}

var preloadFlag = false;
function preloadImages() {
	if (document.images) {
		nHome_over = newImage("images/nHome-over.gif");
		n1_nHome_over = newImage("images/n1-nHome_over.gif");
		n1_nPaint_over = newImage("images/n1-nPaint_over.gif");
		nPaint_over = newImage("images/nPaint-over.gif");
		n2_nPaint_over = newImage("images/n2-nPaint_over.gif");
		n2_nInteriors_over = newImage("images/n2-nInteriors_over.gif");
		nInteriors_over = newImage("images/nInteriors-over.gif");
		n3_nCabinetry_over = newImage("images/n3-nCabinetry_over.gif");
		n3_nInteriors_over = newImage("images/n3-nInteriors_over.gif");
		nCabinetry_over = newImage("images/nCabinetry-over.gif");
		n4_nCabinetry_over = newImage("images/n4-nCabinetry_over.gif");
		n4_nMA_over = newImage("images/n4-nMA_over.gif");
		nMA_over = newImage("images/nMA-over.gif");
		n5_nMA_over = newImage("images/n5-nMA_over.gif");
		n5_nDesign_over = newImage("images/n5-nDesign_over.gif");
		nDesign_over = newImage("images/nDesign-over.gif");
		preloadFlag = true;
	}
}