function choices()
{
//elegir el numero de banner que se desean insertar, ej: 7
this[0] =2;
this[1] = '<script type="text/javascript" src="http://impes.tradedoubler.com/imp?type(js)pool(38928)a(287784)" charset="ISO-8859-1"></script>';
/*// Netfilia 300x250 Rota
this[2] = '<script type="text/javascript"  src="http://www.netfilia.com/contenidos/insert_html.html?cmf=9886&con_capa=1&contenido=300x250&web=1317&p=750685951&id=hi41dLjcUhA52"></script>';*/
 //Tradedoubler 300x300 Rota
this[2] = '<script type="text/javascript" src="http://impes.tradedoubler.com/imp?type(js)pool(38928)a(287784)" charset="ISO-8859-1"></script>';
//si se pone arriba ej: 9 aqui aņadir this[9]=' 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());