function gv_load_ads()
{
  var adIframes = null;
  if( document.getElementsByTagName )
    adIframes = document.getElementsByTagName("iframe");
  else if( document.all )
    adIframes = document.all.tags("iframe");

  if( adIframes != null )
    {
      for( var i=0; i<adIframes.length; i++ )
	if( adIframes[i].id == "gvad" )
	  adIframes[i].src = adIframes[i].name;
    }

  var images = document.images;
  for( var i=0; i<images.length; i++ )
    if( images[i].id == "gvad" )
      images[i].src = images[i].alt;
}