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) {
		box1_over = newImage("images/box1-over.jpg");
		box2_over = newImage("images/box2-over.jpg");
		box3_over = newImage("images/box3-over.jpg");
		box4_over = newImage("images/box4-over.jpg");
		HOMEHIGHLIGHTS_11_over = newImage("images/HOMEHIGHLIGHTS_11-over.jpg");
		HOMEHIGHLIGHTS_12_over = newImage("images/HOMEHIGHLIGHTS_12-over.jpg");
		HOMEHIGHLIGHTS_13_over = newImage("images/HOMEHIGHLIGHTS_13-over.jpg");
		HOMEHIGHLIGHTS_14_over = newImage("images/HOMEHIGHLIGHTS_14-over.jpg");
		HOMEHIGHLIGHTS_15_over = newImage("images/HOMEHIGHLIGHTS_15-over.jpg");
		preloadFlag = true;
	}
}