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 fncPreloadImages() {
	if (document.images) {
		img_01_over = newImage("/elm/arrow_orange_down.gif");
		img_02_over = newImage("/elm/arrow_blue_on_blue_right.gif");
		img_03_over = newImage("/elm/bullet_gray_on_blue.gif");
		img_04_over = newImage("/elm/bullet_blue_on_gray.gif");
		img_05_over = newImage("/elm/arrow_purple_small_right.gif");
		img_06_over = newImage("/elm/arrow_blue_down.gif");
		preloadFlag = true;
	}
}