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) {
		home_over = newImage("images/home-over.jpg");
		about_us_over = newImage("images/about_us-over.jpg");
		basketball_courts_over = newImage("images/basketball_courts-over.jpg");
		backyard_courts_over = newImage("images/backyard_courts-over.jpg");
		multi_purpose_sports_flooring_over = newImage("images/multi-purpose_sports_flo-18.jpg");
		court_accessories_over = newImage("images/court_accessories-over.jpg");
		batting_cages_over = newImage("images/batting_cages-over.jpg");
		putting_greens_over = newImage("images/putting_greens-over.jpg");
		custom_designs_over = newImage("images/custom_designs-over.jpg");
		photos_over = newImage("images/photos-over.jpg");
		contact_us_over = newImage("images/contact_us-over.jpg");
		preloadFlag = true;
	}
}