var banner = "<img src='http://www.vehiculoscordoba.com.ar/banners/400x60/BannerGifAnim400x60.gif' border='0' alt='vehiculoscordoba.com.ar : Publica tu vehiculo gratis en Cordoba'/>";

document.write("<a href='http://www.vehiculoscordoba.com.ar' target='" + adTarget + "'>" + banner + "</a>");