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) {
		top_04_over = newImage("images/top_04-over.gif");
		top_05_over = newImage("images/top_05-over.gif");
		top_05_top_06_over = newImage("images/top_05-top_06_over.gif");
		top_06_top_05_over = newImage("images/top_06-top_05_over.gif");
		top_06_over = newImage("images/top_06-over.gif");
		top_06_top_07_over = newImage("images/top_06-top_07_over.gif");
		top_07_top_06_over = newImage("images/top_07-top_06_over.gif");
		top_07_over = newImage("images/top_07-over.gif");
		top_07_top_08_over = newImage("images/top_07-top_08_over.gif");
		top_08_top_07_over = newImage("images/top_08-top_07_over.gif");
		top_08_over = newImage("images/top_08-over.gif");
		top_08_top_09_over = newImage("images/top_08-top_09_over.gif");
		top_09_top_08_over = newImage("images/top_09-top_08_over.gif");
		top_09_over = newImage("images/top_09-over.gif");
		left_11_over = newImage("images/left_11-over.gif");
		left_13_over = newImage("images/left_13-over.gif");
		features_02_over = newImage("images/features_02-over.gif");
		features_03_over = newImage("images/features_03-over.gif");
		features_04_over = newImage("images/features_04-over.gif");
		features_08_over = newImage("images/features_08-over.gif");
		features_09_over = newImage("images/features_09-over.gif");
		price_02_over = newImage("images/price_02-over.jpg");					
		preloadFlag = true;
	}
}