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_03_over = newImage("menu/images/top_03-over.gif");
		top_04_top_03_over = newImage("menu/images/top_04-top_03_over.gif");

		top_05_over = newImage("menu/images/top_05-over.gif");
		top_07_over = newImage("menu/images/top_07-over.gif");
		top_09_over = newImage("menu/images/top_09-over.gif");
		top_11_top_03_over = newImage("menu/images/top_11-top_03_over.gif");

		top_12_top_05_over = newImage("menu/images/top_12-top_05_over.gif");
		top_13_top_07_over = newImage("menu/images/top_13-top_07_over.gif");
		top_14_top_09_over = newImage("menu/images/top_14-top_09_over.gif");

		preloadFlag = true;
	}
}