var how_many_ads = 5;
var now = new Date()
var sec = now.getSeconds()
var ad = sec % how_many_ads;
ad +=1;







if (ad==1)
{
		url="http://www.geocities.com/montanas.geo";
	alt="Achus! Atracciones Turismo y Ocio";
	img="http://www.geocities.com/montanas.geo/zgrande.gif";
	width="468";
	height="60";
	border="1";
}



if (ad==2)
{
		url="http://www.geocities.com/norton13.geo";
	alt="Humor y Trucos";
	img="http://www.geocities.com/norton13.geo/humobarner.gif";
	width="468";
	height="60";
	border="0";
}



if (ad==3)
{
		url="http://www.granavenida.com/ahiva/";
	alt="AhiVa! PequeNautas";
	img="http://www.granavenida.com/ahiva/zbanner01.gif";
	width="468";
	height="60";
	border="0";
}



if (ad==4)
{
		url="http://arpe.cjb.net/";
	alt="MECANIZADOS EN TORNO";
	img="http://www.geocities.com/achusguia/arpeimages/banarpe.gif";
	width="468";
	height="60";
	border="0";
}



if (ad==5)
{
		url="http://www.todogratis.es.org/";
	alt="TODOGR@TIS";
	img="http://www.todogratis.es.org/logo.gif";
	width="468";
	height="60";
	border="0";
}








document.write("<a href=" + url +" target='_new '>");
document.write("<img src=" + img + " border=" + border + " width=" + width + " height=" + height + " alt='" + alt + "'>");
document.write("</a>");