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) {
		ig_home_over = newImage("/images/ig-home-over.gif");
		ig_aboutUs_over = newImage("/images/ig-aboutUs-over.gif");
		ig_time_over = newImage("/images/ig-time-over.gif");
		ig_map_over = newImage("/images/ig-map-over.gif");
		ig_sermons_over = newImage("/images/ig-sermons-over.gif");
		ig_fellowship_over = newImage("/images/ig-fellowship-over.gif");
		preloadFlag = true;
	}
}