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) {
		aboutus_over = newImage("images/aboutus-over.jpg");
		contact_over = newImage("images/contact-over.jpg");
		support_over = newImage("images/support-over.jpg");
		secprivacy_over = newImage("images/secprivacy-over.jpg");
		sublinks_over = newImage("images/sublinks-over.jpg");
		subtownetworks_over = newImage("images/subtownetworks-over.jpg");
		subad1_over = newImage("images/subad1-over.jpg");
		subad2_over = newImage("images/subad2-over.jpg");
		subad3_over = newImage("images/subad3-over.jpg");
		leftroadside_over = newImage("images/leftroadside-over.jpg");
		leftclaimsservices_over = newImage("images/leftclaimsservices-over.jpg");
		leftautoandflatglass_over = newImage("images/leftautoandflatglass-over.jpg");
		leftinsuranceproviders_over = newImage("images/leftinsuranceproviders-over.jpg");
		lefttowingoperators_over = newImage("images/lefttowingoperators-over.jpg");
		leftroadsideassistance_over = newImage("images/leftroadsideassistance-over.jpg");
		leftglasssoftwareusers_over = newImage("images/leftglasssoftwareusers-over.jpg");
		preloadFlag = true;
	}
}