function choices()
{
//elegir el numero de banner que se desean insertar, ej: 6
	this[0] = 3;

// PRIMER BANNER, Netfilia 250x250 Rota

this[2] = '<iframe name=afi250x250' + ' src="http://www.netfilia.com/contenidos/insert.html?cmf=9452&con_capa=1&contenido=250x250&web=1317&p=1005493145&id=hihI9gnDKP7KI&url='+escape(location.href)+'"' + ' width=250 height=250 frameBorder=no border=0 marginWidth=0 marginHeight=0 scrolling=no style="border-style:none;" >' + '</iframe>';

// SEGUNDO BANNER, Tradedoubler 250x250 Rota

this[1] = '<script type="text/javascript" src="http://imp.tradedoubler.com/imp?type(js)pool(18651)a(287784)" charset="ISO-8859-1"></script>';
   
// TERCER BANNER, Tradedoubler 250x250 Rota

this[3] = '<script type="text/javascript" src="http://imp.tradedoubler.com/imp?type(js)pool(18651)a(287784)" charset="ISO-8859-1"></script>';

// TERCER BANNER,  mikkelsenmedia Easy Piso 250x250 

this[4] = '<a href="http://affilate.mikkelsenmedia.dk/partnersystem/tilmeld.php?camID=1614&partnerID=1031&csize=6&aux_something=[ID_PARTER]&partner_userid=[ID2_PARTER]" title="Buscas piso? O buscas compaņero de piso?"><img alt="Buscas piso? O buscas compaņero de piso?" title="Buscas piso? O buscas compaņero de piso?" src="http://affilate.mikkelsenmedia.dk/partnersystem/images/banner300/y9B8ywGgW2.gif" border="0" width="300" height="250" ></a><img src="http://affilate.mikkelsenmedia.dk/partnersystem/campaigns_impressions.php?partnerID=1031&camID=1614&csize=6" width="1" height="1" border="0">';



//si se pone arriba ej: 7 aqui aņadir this[7]=' codigo ';
}
function popUpBanner(list)
{	
	var today = new Date();
	var choiceInstance = new choices();
	var Banner = choiceInstance[(today.getSeconds() % choiceInstance[0]) + 1];
}
function grabBanner()
{
	var today = new Date();
	var choiceInstance = new choices();
	var Banner = choiceInstance[(today.getSeconds() % choiceInstance[0]) + 1];
	return Banner;
}
document.writeln(grabBanner());