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) {
		all_countries_over = newImage("themes/default/img/mappa/all-countries-over.jpg");
		belgium_over = newImage("themes/default/img/mappa/belgium-over.jpg");
		finland_over = newImage("themes/default/img/mappa/finland-over.jpg");
		france_over = newImage("themes/default/img/mappa/france-over.jpg");
		germany_over = newImage("themes/default/img/mappa/germany-over.jpg");
		greece_over = newImage("themes/default/img/mappa/greece-over.jpg");
		ireland_over = newImage("themes/default/img/mappa/ireland-over.jpg");
		israele_over = newImage("themes/default/img/mappa/israel-over.jpg");
		italy_over = newImage("themes/default/img/mappa/italy-over.jpg");
		norway_over = newImage("themes/default/img/mappa/norway-over.jpg");
		portugal_over = newImage("themes/default/img/mappa/portugal-over.jpg");
		spain_over = newImage("themes/default/img/mappa/spain-over.jpg");
		sweden_over = newImage("themes/default/img/mappa/sweden-over.jpg");
		switzerland_over = newImage("themes/default/img/mappa/switzerland-over.jpg");
		thenetherlands_over = newImage("themes/default/img/mappa/thenetherlands-over.jpg");
		unitedkingdom_over = newImage("themes/default/img/mappa/unitedkingdom-over.jpg");
		preloadFlag = true;
	}
}