var banners = new Array();


banners[2]= "http://lamovidametal.com/main/wp-content/themes/charred_20/publicidad/embrio.gif";
banners[1]= "http://lamovidametal.com/main/wp-content/themes/charred_20/publicidad/demise.gif";
banners[0]= "http://lamovidametal.com/main/wp-content/themes/charred_20/publicidad/ashes.gif";

totalbanners = banners.length;
var ahora = new Date()
var segundos = ahora.getSeconds()
var ad = segundos % totalbanners;
seleccionado = banners[ad];
document.write('<img src=' + seleccionado + ' width="150px" height="150px"/>');