#loading-overlay {
  width:100%;
  height:100%;
  position:fixed !important;
  position:absolute; /* IE6 Fallback */
  position:fixed; /* IE6 Fallback */
  top:0;
  right:0;
  bottom:0;
  left:0;
  z-index:999999;
  background:#000000 url('ajax_loader.gif') no-repeat 50% 50%;
  font:normal normal 0/0 a;
  color:transparent;
  text-shadow:none;
  overflow: hidden;
  display:none;opacity:.7 
}