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) {
		ui_nav_services003 = newImage("image/ui-nav-services-03.gif");
		ui_nav_about005 = newImage("image/ui-nav-about-05.gif");
		ui_nav_portfolio007 = newImage("image/ui-nav-portfolio-07.gif");
		ui_nav_plants009 = newImage("image/ui-nav-plants-09.gif");
		ui_nav_newsletters011 = newImage("image/ui-nav-newsletters-11.gif");
		ui_nav_calendar013 = newImage("image/ui-nav-calendar-13.gif");
		ui_nav_contact015 = newImage("image/ui-nav-contact-15.gif");
		preloadFlag = true;
	}
}