function newImage(arg) {
	if (document.images) {
		rslt = new Image();
		rslt.src = arg;
		return rslt;
	}
}
function changeImagesArray(array) {
	if (preloadFlag == true) {
		var d = document; var img;
		for (var i=0; i<array.length; i+=2) {
			img = null; var n = array[i];
			if (d.images) {img = d.images[n];}
			if (!img && d.getElementById) {img = d.getElementById(n);}
			if (img) {img.src = array[i+1];}
		}
	}
}
function changeImages() {
	changeImagesArray(changeImages.arguments);
}


var preloadFlag = false;
function preloadImages() {
	if (document.images) {
		pre_azienda_2 = newImage('/images/gui/azienda_2.gif');
		pre_azienda_3 = newImage('/images/gui/azienda_3.gif');
		pre_prodotti_2 = newImage('/images/gui/prodotti_2.gif');
		pre_prodotti_3 = newImage('/images/gui/prodotti_3.gif');
		pre_lusso_2 = newImage('/images/gui/lusso_2.gif');
		pre_lusso_3 = newImage('/images/gui/lusso_3.gif');
		pre_promogift_2 = newImage('/images/gui/promogift_2.gif');
		pre_promogift_3 = newImage('/images/gui/promogift_3.gif');
		pre_infotech_2 = newImage('/images/gui/infotech_2.gif');
		pre_infotech_3 = newImage('/images/gui/infotech_3.gif');
		pre_stampa_2 = newImage('/images/gui/stampa_2.gif');
		pre_stampa_3 = newImage('/images/gui/stampa_3.gif');
		pre_recicology_2 = newImage('/images/gui/recycology_2.gif');
		pre_recicology_3 = newImage('/images/gui/recycology_3.gif');
		pre_giochi_2 = newImage('/images/gui/giochi_2.gif');
		pre_giochi_3 = newImage('/images/gui/giochi_3.gif');
		contatti_2 = newImage('/images/gui/toolbarmenu/contatti_2.gif');
		download_2 = newImage('/images/gui/toolbarmenu/download_2.gif');
		mappa_2 = newImage('/images/gui/toolbarmenu/mappa_2.gif');
		pentel_store_2 = newImage('/images/gui/toolbarmenu/pentel_store_2.gif');
		invia_2 = newImage('/images/gui/footer/invia_2.gif');
		print_2 = newImage('/images/gui/footer/print_2.gif');
		rss_2 = newImage('/images/gui/boxnews/rss_2.gif');
		preloadFlag = true;
	}
}