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_home_10 = newImage("image/ui-nav-home_10.gif");
		ui_nav_about_11 = newImage("image/ui-nav-about_11.gif");
		ui_nav_enews_12 = newImage("image/ui-nav-enews_12.gif");
		ui_nav_contact_13 = newImage("image/ui-nav-contact_13.gif");
		ui_nav_plantCombos_10 = newImage("image/ui-nav-plantCombos_10.gif");
		ui_nav_commStrategies_11 = newImage("image/ui-nav-commStrategies_11.gif");
		ui_nav_suppliers_12 = newImage("image/ui-nav-suppliers_12.gif");
		ui_nav_photogallery_13 = newImage("image/ui-nav-photogallery_13.gif");
		ui_nav_bluestemsuppliers_2 = newImage("image/ui-nav-bluestemsuppliers_2.gif");
		ui_nav_projects_3 = newImage("image/ui-nav-projects_3.gif");
		ui_nav_designPhilosophy_4 = newImage("image/ui-nav-designPhilosophy_4.gif");
		preloadFlag = true;
	}
}