var i;
var imagenes = new Array("/img/logonacex1.gif", "/img/logonacex2.gif",
                         "/img/logovisa1.gif", "/img/logovisa2.gif",
                         "/img/logomastercard1.gif", "/img/logomastercard2.gif",
                         "/img/logolacaixa1.gif", "/img/logolacaixa2.gif",
                         "/img/logopaypal1.gif", "/img/logopaypal2.gif",
                         "/img/bckg1.gif", "/img/bckg1.png",
                         "/img/bckg5.gif", "/img/bckg7.gif");
var lista_imagenes = new Array();

function preloadimages(){
  for(i in imagenes){
    lista_imagenes[i] = new Image();
    lista_imagenes[i].src = imagenes[i];
  }
  return true;
}