function choices()
{
//elegir el numero de banner que se desean insertar, ej: 6
this[0] = 2;
// PRIMER BANNER, Tradedoubler HP Texto

this[1] = '<script type="text/javascript" src="http://impes.tradedoubler.com/imp?g(17056118)a(287784)" charset="ISO-8859-1"></script>';

// SEGUNDO BANNER, Tradedoubler Edreams 120x60

this[2] = '<script language="JavaScript" src="http://impes.tradedoubler.com/imp/90767/287784" charset="ISO-8859-1"></script>';

//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());