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_fnav_golfCourses_9 = newImage("image/ui-fnav-golfCourses_9.gif");
		ui_fnav_ballFields_10 = newImage("image/ui-fnav-ballFields_10.gif");
		ui_fnav_universities_11 = newImage("image/ui-fnav-universities_11.gif");
		ui_fnav_residential_12 = newImage("image/ui-fnav-residential_12.gif");
		ui_fnav_sodInstallation_13 = newImage("image/ui-fnav-sodInstallation_13.gif");
		ui_fnav_sodTypes_14 = newImage("image/ui-fnav-sodTypes_14.gif");
		ui_fnav_sodBenefits_15 = newImage("image/ui-fnav-sodBenefits_15.gif");
		ui_fnav_wholesale_16 = newImage("image/ui-fnav-wholesale_16.gif");
		preloadFlag = true;
	}
}