function choices()
{
//elegir el numero de banner que se desean insertar, ej: 6
	this[0] = 5;

// PRIMER BANNER, Shopall 120x76

this[1] = '<iframe allowtransparency="true" src="http://www.codigobarras.com/share-ht/jedis/ad_tpl.php?ic=2471&amp;r=7161" width="120" height="76" frameborder="0" marginwidth="0" marginheight="0" scrolling="no" align="middle"></iframe>';
  
// SEGUNDO BANNER, Tradedoubler Edreams 120x60

this[2] = '<script language="JavaScript" src="http://impes.tradedoubler.com/imp/90767/287784" charset="ISO-8859-1"></script>';
   
// TERCER BANNER, Tradedoubler Edreams 120x60

this[3] = '<script language="JavaScript" src="http://impes.tradedoubler.com/imp/90767/287784" charset="ISO-8859-1"></script>';
   
// CUARTO BANNER, Tradedoubler Edreams 120x60

this[4] = '<script language="JavaScript" src="http://impes.tradedoubler.com/imp/90767/287784" charset="ISO-8859-1"></script>';
  
// QUINTO BANNER, Tradedoubler Edreams 120x60

this[5] = '<script language="JavaScript" src="http://impes.tradedoubler.com/imp/90767/287784" charset="ISO-8859-1"></script>';


//si se pone arriba ej: 6 aqui aņadir this[6]=' 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());