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) {
		nav_homeo = newImage("images/nav_homeo.gif");
		nav_menuo = newImage("images/nav_menuo.gif");
		nav_locationso = newImage("images/nav_locationso.gif");
		nav_cateringo = newImage("images/nav_cateringo.gif");
		nav_ordero = newImage("images/nav_ordero.gif");
		nav_mailo = newImage("images/nav_mailo.gif");
		nav_cardso = newImage("images/nav_cardso.gif");
		nav_abouto = newImage("images/nav_abouto.gif");

		sub_awardso = newImage("images/sub_awardso.gif");
		sub_cardso = newImage("images/sub_cardso.gif");
		sub_careerso = newImage("images/sub_careerso.gif");
		sub_cateringo = newImage("images/sub_cateringo.gif");
		sub_catering2o = newImage("images/sub_catering2o.gif");
		sub_contactuso = newImage("images/sub_contactuso.gif");
		sub_dineino = newImage("images/sub_dineino.gif");
		sub_evento = newImage("images/sub_evento.gif");
		sub_faqso = newImage("images/sub_faqso.gif");
		sub_fundraisngo = newImage("images/sub_fundraisngo.gif");
		sub_heatingo = newImage("images/sub_heatingo.gif");
		sub_historyo = newImage("images/sub_historyo.gif");
		sub_hourso = newImage("images/sub_hourso.gif");
		sub_locationso = newImage("images/sub_locationso.gif");
		sub_menuso = newImage("images/sub_menuso.gif");
		sub_nutritiono = newImage("images/sub_nutritiono.gif");
		sub_officeo = newImage("images/sub_officeo.gif");
		sub_ordero = newImage("images/sub_ordero.gif");
		sub_partyo = newImage("images/sub_partyo.gif");
		sub_photoso = newImage("images/sub_photoso.gif");
		sub_pigupo = newImage("images/sub_pigupo.gif");
		sub_recipeso = newImage("images/sub_recipeso.gif");
		sub_rewardso = newImage("images/sub_rewardso.gif");
		sub_safetyo = newImage("images/sub_safetyo.gif");
		sub_testimonialso = newImage("images/sub_testimonialso.gif");
		preloadFlag = true;
	}
}