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) {
		login_02_Over = newImage("images/login_02-Over.gif");
		login_03_Over = newImage("images/login_03-Over.gif");
		login_09_Over = newImage("images/login_09-Over.gif");		
		topmenu_04_Over = newImage("images/topmenu_04-Over.jpg");
		topmenu_05_Over = newImage("images/topmenu_05-Over.jpg");
		topmenu_06_Over = newImage("images/topmenu_06-Over.jpg");
		topmenu_07_Over = newImage("images/topmenu_07-Over.jpg");
		topmenu_08_topmenu_07_Over = newImage("images/topmenu_08-topmenu_07_Over.jpg");
		topmenu_08_Over = newImage("images/topmenu_08-Over.jpg");
		topmenu_09_Over = newImage("images/topmenu_09-Over.jpg");
		topmenu_10_topmenu_09_Over = newImage("images/topmenu_10-topmenu_09_Over.jpg");
		topmenu_10_Over = newImage("images/topmenu_10-Over.jpg");
		topmenu_11_Over = newImage("images/topmenu_11-Over.jpg");
		topmenu_12_topmenu_11_Over = newImage("images/topmenu_12-topmenu_11_Over.jpg");
		topmenu_12_Over = newImage("images/topmenu_12-Over.jpg");
		topmenu_13_Over = newImage("images/topmenu_13-Over.jpg");
		preloadFlag = true;
	}
}