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) {
		navCompany_over = newImage("img/nav/navCompany-over.gif");
		navMission_over = newImage("img/nav/navMission-over.gif");
		navHistory_over = newImage("img/nav/navHistory-over.gif");
		navStaff_over = newImage("img/nav/navStaff-over.gif");
		navClientList_over = newImage("img/nav/navClientList-over.gif");
		navServices_over = newImage("img/nav/navServices-over.gif");
		navConsult_over = newImage("img/nav/navConsult-over.gif");
		navEstimates_over = newImage("img/nav/navEstimates-over.gif");
		navSeg_over = newImage("img/nav/navSeg-over.gif");
		navQuantity_over = newImage("img/nav/navQuantity-over.gif");
		navField_over = newImage("img/nav/navField-over.gif");
		navSurety_over = newImage("img/nav/navSurety-over.gif");
		navSurveys_over = newImage("img/nav/navSurveys-over.gif");
		navGeneral_over = newImage("img/nav/navGeneral-over.gif");
		navPortfolio_over = newImage("img/nav/navPortfolio-over.gif");
		navEducational_over = newImage("img/nav/navEducational-over.gif");
		navChurches_over = newImage("img/nav/navChurches-over.gif");
		navMunicipal_over = newImage("img/nav/navMunicipal-over.gif");
		navTranportation_over = newImage("img/nav/navTranportation-over.gif");
		navCommercial_over = newImage("img/nav/navCommercial-over.gif");
		navHealth_over = newImage("img/nav/navHealth-over.gif");
		navHistorical_over = newImage("img/nav/navHistorical-over.gif");
		navMuseums_over = newImage("img/nav/navMuseums-over.gif");
		navResident_over = newImage("img/nav/navResident-over.gif");
		navResources_over = newImage("img/nav/navResources-over.gif");
		navLinks_over = newImage("img/nav/navLinks-over.gif");
		navClient_over = newImage("img/nav/navClient-over.gif");
		navCommunity_over = newImage("img/nav/navCommunity-over.gif");
		navAwards_over = newImage("img/nav/navAwards-over.gif");
		navBANews_over = newImage("img/nav/navBANews-over.gif");
		navCareers_over = newImage("img/nav/navCareers-over.gif");
		navHiring_over = newImage("img/nav/navHiring-over.gif");
		navIntern_over = newImage("img/nav/navIntern-over.gif");
		navEmail_over = newImage("img/nav/navEmail-over.gif");
		navContact_over = newImage("img/nav/navContact-over.gif");
		navEmail2_over = newImage("img/nav/navEmail2-over.gif");
		navMaps_over = newImage("img/nav/navMaps-over.gif");
		navHome_over = newImage("img/nav/navHome-over.gif");
		preloadFlag = true;
	}
}