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) {
		home_over = newImage("images/home-over.gif");
		insurance_over = newImage("images/insurance-over.gif");
		risk_over = newImage("images/risk-over.gif");
		claims_over = newImage("images/claims-over.gif");
		agents_retailers_over = newImage("images/agents_retailers-over.gif");
		whatsnew_over = newImage("images/whatsnew-over.gif");
		about_over = newImage("images/about-over.gif");
		contact_over = newImage("images/contact-over.gif");
		water_int_over = newImage("images/water_int-over.gif");
		sewer_int_over = newImage("images/sewer_int-over.gif");
		irrigation_int_over = newImage("images/irrigation_int-over.gif");
		conservation_int_over = newImage("images/conservation_int-over.gif");
		history_int_over = newImage("images/history_int-over.gif");
		leadership_over = newImage("images/leadership_int-over.gif");
		carrier_over = newImage("images/carrier_int-over.gif");
		gig_over = newImage("images/gig_int-over.gif");
		empcareers_over = newImage("images/emp-careers_int-over.gif");
		preloadFlag = true;
	}
}