function choices()
{
//elegir el numero de banner que se desean insertar, ej: 6
this[0] = 1;
// PRIMER BANNER, Tradedoubler. Ordenadores HP
this[1] = '<a href="http://clk.tradedoubler.com/click?p=35140&a=287784&g=0&url=http://h41306.www4.hp.com/seccion?p=1241&secid=64112&jumpid=in_rm_r11219_es_es_t3_hho_liquida-port" target="_blank" style="text-decoration:none"> <font face="Verdana" font color="#336600">Liquidación de Ordenadores HP</font></a>';


//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());