#loading_blanket{opacity:.2;background-color:#FFF;position:fixed;top:0;left:0;z-index:1000;display:none}#loading_ventana{position:fixed;top:50%;left:50%;z-index:1001;display:none}#loading_ventana div{width:100px;height:100px;border-radius:6px;-moz-border-radius:6px;-webkit-border-radius:6px;background:#FFF url(../img/loading.gif) no-repeat center}