var bannerURLs
var num

function GetRandomURL()  {

	var bannerImgs = new URLList  (
			"farinazzo.gif",
			"ferraricol.gif",
			"forestan.gif",
			"vespaservice.gif",
			"warmupit.gif",
			"http://www.passioneanni70.com/prova.htm"
			);
	
	bannerURLs = new URLList  (
			"http://www.farinazzomoto.it",
			"http://www.ferrari-collectionist.com",
			"http://www.maurizioforestan.com",
			"http://www.vespaservice.it",
			"http://www.warmup.it/cgi-bin/shopsite/sb/ref.cgi?storeid=*1ac9da5050ea0a9b10846d8f6f7b57&name=www.passioneanni70.com",
			"http://www.passioneanni70.com/prova.htm"
			);


	num = Math.round(rand.next() * (bannerImgs.count-1))

	return bannerImgs.list[num];
	

	



}


function URLList()  {


	var argv = URLList.arguments;
	var argc = argv.length;
	this.list = new Object();
	for (var i = 0; i < argc; i++)
		this.list[i] = argv[i];
	this.count = argc;
	return this





}


function NextRandomNumber()  {


	var hi = this.seed / this.Q;
	var lo = this.seed % this.Q;
	//document.writeln("-" + hi + "<BR>");
	//document.writeln("-" + lo + "<BR>");

	var test = this.A * lo - this.R * hi;
	//document.writeln("- test: " + test + "<BR>");
	if (test > 0) 
		this.seed = test;
	else
		this.seed = test + this.M;
	return (this.seed * this.oneCverM);






}




function RandomNumberGenerator()  {

	var d = new Date();
	this.seed = 2345678901 + 
		    (d.getSeconds() * 0xFFFFFF) + 
		    (d.getMinutes() * 0xFFFF);
	this.A = 48271;
	this.M = 2147483647;
	this.Q = this.M / this.A;
	this.R = this.M % this.A;
	this.oneCverM = 1.0 / this.M;
	this.next = NextRandomNumber;
	return this;

}

var rand = new RandomNumberGenerator();
//document.writeln(rand.seed + "<BR>");
//document.writeln(rand.A + "<BR>");
//document.writeln(rand.M + "<BR>");
//document.writeln(rand.Q + "<BR>");
//document.writeln(rand.R + "<BR>");
//document.writeln(rand.oneCverM + "<BR>");
//document.writeln("Risultato: " + Math.round(rand.next() * 3));


//document.write(";;: " + GetRandomURL());