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) {
		preloadFlag = true;
	}
}

function preloadImagesPrv() {
	if (document.images) {
		concorso_over = newImage("/images/Privata/concorso-over.gif");
		formazione_over = newImage("/images/Privata/formazione-over.gif");
		ricambi_over = newImage("/images/Privata/ricambi-over.gif");
		warning_over = newImage("/images/Privata/warning-over.gif");
		club_over = newImage("/images/Privata/club-over.gif");
		manuali_over = newImage("/images/Privata/manuali-over.gif");
		stima_over = newImage("/images/Privata/stima-over.gif");
		ass_over = newImage("/images/Privata/sovrassistenza-over.gif");
		catPDF_over = newImage("/images/Privata/cataloghiPDF-over.gif");
	}
}

preloadImagesPrv();