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) {
				ABOUT_over = newImage("images/ABOUT-over.jpg");
				SERVICES_over = newImage("images/SERVICES-over.jpg");
				ESTATES_over = newImage("images/ESTATES-over.jpg");
				GALLERY_over = newImage("images/GALLERY-over.jpg");
				TEST_over = newImage("images/TEST-over.jpg");
				PRESS_over = newImage("images/PRESS-over.jpg");
				CONTACT_over = newImage("images/CONTACT-over.jpg");
				preloadFlag = true;
			}
		}