function banners_on(){ 
banners = new Array();
banners[0] = "http://www.farmacia-guerrero.com/imatges/Banners/Farmacia_Guerrero_Andorra_banner_GM.swf";
banners[1] = "http://www.farmacia-guerrero.com/imatges/Banners/Farmacia_Guerrero_Andorra_banner_GM.swf";

totalbanners = banners.length;
var ahora = new Date()
var segundos = ahora.getSeconds()
var ad = segundos % totalbanners;
seleccionado = banners[ad];

document.write('<EMBED src=' + seleccionado + ' loop=true quality=high width=430 height=55 TYPE="application/x-shockwave-flash" PLUGINSPAGE="http://www.macromedia.com/shockwave/download/index.cgi?P1_Prod_Version=ShockwaveFlash" wmode="opaque"></EMBED>');
}