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_events_9 = newImage("image/ui-nav-events_9.gif");
		ui_nav_landscaping_10 = newImage("image/ui-nav-landscaping_10.gif");
		ui_nav_featured_11 = newImage("image/ui-nav-featured_11.gif");
		ui_nav_about_12 = newImage("image/ui-nav-about_12.gif");
		ui_nav_employment_13 = newImage("image/ui-nav-employment_13.gif");
		ui_nav_contact_14 = newImage("image/ui-nav-contact_14.gif");
		ui_nav_enews_15 = newImage("image/ui-nav-enews_15.gif");
		ui_vertNav_resources_9 = newImage("image/ui-vertNav-resources_9.gif");
		ui_vertNav_troubleshooting_10 = newImage("image/ui-vertNav-troubleshooti-04.gif");
		ui_vertNav_plantingAdvice_11 = newImage("image/ui-vertNav-plantingAdvice_1.gif");
		ui_vertNav_greatWebsites_12 = newImage("image/ui-vertNav-greatWebsites_12.gif");
		ui_vertNav_featured_13 = newImage("image/ui-vertNav-featured_13.gif");
		preloadFlag = true;
	}
}