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.gif");

		contact_over = newImage("images/contact-over.gif");

		commercial_storage_over = newImage("images/moving-storage-supplies1.jpg");

		residential_storage_over = newImage("images/sizes-services1.jpg");

		auto_storage_over = newImage("images/storage-options1.jpg");

		moving_supplies_over = newImage("images/about-us1.jpg");

		truck_rentals_over = newImage("images/location1.jpg");

		preloadFlag = true;

	}

}