<!--

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) {
		zone1_over = newImage("/images/navigation/zone1_over.gif");
		zone2_over = newImage("/images/navigation/zone2_over.gif");
		zone3_over = newImage("/images/navigation/zone3_over.gif");
		zone4_over = newImage("/images/navigation/zone4_over.gif");
		zone5_over = newImage("/images/navigation/zone5_over.gif");
		zone6_over = newImage("/images/navigation/zone6_over.gif");
		zone7_over = newImage("/images/navigation/zone7_over.gif");
		zone8_over = newImage("/images/navigation/zone8_over.gif");
		preloadFlag = true;
	}
}

// -->