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_availability_10 = newImage("image/ui-nav-availability_10.gif");
		ui_nav_packaging_11 = newImage("image/ui-nav-packaging_11.gif");
		ui_nav_contractGrowing_12 = newImage("image/ui-nav-contractGrowing_12.gif");
		ui_nav_contractGrowing_13 = newImage("image/ui-nav-contractGrowing_13.gif");
		ui_nav_featPlants_14 = newImage("image/ui-nav-featPlants_14.gif");
		ui_nav_featPlants_15 = newImage("image/ui-nav-featPlants_15.gif");
		ui_nav_featPlants_16 = newImage("image/ui-nav-featPlants_16.gif");
		ui_nav_whatsnew_17 = newImage("image/ui-nav-whatsnew_17.gif");
		ui_nav_ecogrowers_18 = newImage("image/ui-nav-ecogrowers_18.gif");
		ui_nav_ecogrowers_19 = newImage("image/ui-nav-ecogrowers_19.gif");
		ui_nav_featured_20 = newImage("image/ui-nav-featured_20.gif");
		ui_nav_featured_21 = newImage("image/ui-nav-featured_21.gif");
		ui_nav_distributors_22 = newImage("image/ui-nav-distributors_22.gif");
		ui_nav_distributors_23 = newImage("image/ui-nav-distributors_23.gif");
		ui_nav_contact_24 = newImage("image/ui-nav-contact_24.gif");
		ui_nav_treadTrail_2 = newImage("image/ui-nav-treadTrail_2.gif");
		preloadFlag = true;
	}
}