function choices()
{
//elegir el numero de banner que se desean insertar, ej: 6
	this[0] = 1;

// PRIMER BANNER, Trad. titular Atrápalo

this[1] = '<a href="http://clk.tradedoubler.com/click?p=69345&a=287784&g=17711754" target="_blank">ALSA: ofertas OnLine</a><img src="http://impes.tradedoubler.com/imp?type(inv)g(17711754)a(287784)">';
   

//si se pone arriba ej: 7 aqui añadir 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());