userAgent = window.navigator.userAgent;
browserVers = parseInt(userAgent.charAt(userAgent.indexOf("/")+1),10);
function newImage(arg) {
	if (document.images) {
		rslt = new Image();
		rslt.src = arg;
		return rslt;
	}
}

function findElement(n,ly) {
	if (browserVers < 4)		return document[n];
	var curDoc = ly ? ly.document : document;
	var elem = curDoc[n];
	if (!elem) {
		for (var i=0;i<curDoc.layers.length;i++) {
			elem = findElement(n,curDoc.layers[i]);
			if (elem) return elem;
		}
	}
	return elem;
}

function changeImages() {
	if (document.images && (preloadFlag == true)) {
		var img;
		for (var i=0; i<changeImages.arguments.length; i+=2) {
			img = null;
			if (document.layers) {
				img = findElement(changeImages.arguments[i],0);
			}
			else {
				img = document.images[changeImages.arguments[i]];
			}
			if (img) {
				img.src = changeImages.arguments[i+1];
			}
		}
	}
}

var preloadFlag = false;
function preloadImages() {
	if (document.images) {
		ita_link_over = newImage("images/ita_link-over.gif");
		eng_link_over = newImage("images/eng_link-over.gif");
		home_en_over = newImage("images/home_en-over.gif");
		products_en_over = newImage("images/products_en-over.gif");
		news_en_over = newImage("images/news_en-over.gif");
		endorsers_en_over = newImage("images/endorsers_en-over.gif");
		samples_en_over = newImage("images/samples_en-over.gif");
		contacts_en_over = newImage("images/contacts_en-over.gif");
		amp_lab_en_over = newImage("images/amp-lab_en-over.gif");
		amplifiers_en_over = newImage("images/amplifiers_en-over.gif");
		speakers_en_over = newImage("images/speakers_en-over.gif");
		home_it_over = newImage("images/home_it-over.gif");
		prodotti_it_over = newImage("images/prodotti_it-over.gif");
		news_it_over = newImage("images/news_it-over.gif");
		endorsers_it_over = newImage("images/endorsers_it-over.gif");
		suoni_it_over = newImage("images/suoni_it-over.gif");
		contatti_it_over = newImage("images/contatti_it-over.gif");
		amp_lab_it_over = newImage("images/amp-lab_it-over.gif");
		amplificatori_it_over = newImage("images/amplificatori_it-over.gif");
		casse_it_over = newImage("images/casse_it-over.gif");
		press_over = newImage("images/press-over.gif");
		resellers_it_over = newImage("images/resellers_it-over.gif");
		resellers_en_over = newImage("images/resellers_en-over.gif");
		forum_over = newImage("images/forum-over.gif");
		gallery_over = newImage("images/gallery-over.gif");
		preloadFlag = true;
	}
}

function showtolex(x) {
		window.open(x,'new','width=320,height=260,resizable=no');
			}