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_newnav_wholesale_9 = newImage("image/ui-newnav-wholesale_9.gif");
		ui_newnav_plantDB_10 = newImage("image/ui-newnav-plantDB_10.gif");
		ui_newnav_availability_11 = newImage("image/ui-newnav-availability_11.gif");
		ui_newnav_marketing_12 = newImage("image/ui-newnav-marketing_12.gif");
		ui_newnav_about_13 = newImage("image/ui-newnav-about_13.gif");
		ui_newnav_enews_14 = newImage("image/ui-newnav-enews_14.gif");
		ui_newnav_contact_15 = newImage("image/ui-newnav-contact_15.gif");
		preloadFlag = true;
	}
}