var openInNewWin = true;
var banners = new Array();
banners[0] = new Banner("http://www.barbarossaonline.com", "Barbarossa", "images/banner/barbarossa.gif");
banners[1] = new Banner("http://www.darius.it", "Darius World", "images/banner/darius.gif");
banners[2] = new Banner("http://www.ilcastellodimelegnano.com", "Gli affreschi del castello di Melegnano", "images/banner/melegnano2.gif");
banners[3] = new Banner("http://www.sarastefanini.it", "SaraStefanini.it - Sviluppo Web e formazione professionale", "images/banner/sarastefanini120x60.gif");

function Banner(url, description, image) {
	this.url = url;
	this.description = description;
	this.image = image;
	return this;
}
var bNum = Math.round(Math.random() * (banners.length - 1));

if (navigator.appName != "Netscape")
{
	document.write("<img src='images/spacer.gif' width='50' height='2' border=0>")
	document.write("<a href=\"" + banners[bNum].url + "\"");
	if (openInNewWin) {
		document.write(" target=\"_blank\"");
	}
	document.write(">");
	document.write("<img hspace='3' align='center' src=\"" + banners[bNum].image + "\" border=\"0\" alt=\"" + banners[bNum].description + "\">");
	document.write("</a><br><br>");
}