function newImage(arg) {
	if (document.images) {
		rslt = new Image();
		rslt.src = arg;
		return rslt;
	}
}

function changeImages2(a,b) {
	if (document.images) {
	document[a].src=b
	}
}
var preloadFlag = false;
function preloadImages() {
	if (document.images) {
		home_over = newImage("images/home-over.jpg");
		buying_over = newImage("images/buying-over.jpg");
		selling_over = newImage("images/selling-over.jpg");
		search_over = newImage("images/search-over.jpg");
		about_over = newImage("images/about-over.jpg");
		services_over = newImage("images/services-over.jpg");
		area_info_over = newImage("images/area_info-over.jpg");
		contact_over = newImage("images/contact-over.jpg");
		preloadFlag = true;
	}
}