function e_newImage(arg) {
	if (document.images) {
		rslt = new Image();
		rslt.src = arg;
		return rslt;
	}
}

function e_changeImages() {
	if (document.images && (e_preloadFlag == true)) {
		for (var i=0; i<e_changeImages.arguments.length; i+=2) {
			document[e_changeImages.arguments[i]].src = e_changeImages.arguments[i+1];
		}
	}
}

var e_preloadFlag = false;
function e_preloadImages() {
	if (document.images) {
		id11_sopra = e_newImage("e_imgs/11_profilo.gif");
		id12_sopra = e_newImage("e_imgs/12_knowhow.gif");
		id13_sopra = e_newImage("e_imgs/13_strategie.gif");
		id14_sopra = e_newImage("e_imgs/14_servizi.gif");
		id15_sopra = e_newImage("e_imgs/15_lavoro.gif");
		id16_sopra = e_newImage("e_imgs/16_contatti.gif");
		id17_sopra = e_newImage("e_imgs/17_prodotti.gif");
		ITA_sopra = e_newImage("e_imgs/10_ita_up.gif");
		HOME_sopra = e_newImage("imgs/50_gohome_up.gif");
		e_preloadFlag = true;
	}
}