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) {
		HOMEPAGE_over = newImage("images/HOMEPAGE-over.gif");
		aboutus_over = newImage("images/aboutus-over.gif");
		samplelead_over = newImage("images/samplelead-over.gif");
		leadapplication_over = newImage("images/leadapplication-over.gif");
		orderform_over = newImage("images/orderform-over.gif");
		industrynews_over = newImage("images/industrynews-over.gif");
		contactus_over = newImage("images/contactus-over.gif");
		preloadFlag = true;
	}
}