function display_popup()
{
     window.open("americana/advert.mp3", "ad_up", "width=240, height=32, scrollbars=yes, resizable=yes, toolbar=no, status=yes");
}


function start_tour()
{
   status_win = window.open('americana/showground_tour.htm', 'movie',
  'width=640, height=480, scrollbars=no, directories=no,status=yes, location=no, toolbar=no');
  status_win.moveTo (0, 0);  
}

function newImage(arg) {
	if (document.images) {
		rslt = new Image();
		rslt.src = arg;
		return rslt;
	}
}


function preloadImages()
{
 if (document.images)
 {
  desc =      newImage("americana/graphics/description_button.gif");
  desc_over = newImage("americana/graphics/description_button-over.gif");
  hist =      newImage("americana/graphics/history_button.gif");
  hist_over = newImage("americana/graphics/history_button-over.gif");
  flash =      newImage("americana/graphics/flash_button.gif");
  flash_over = newImage("americana/graphics/flash_button-over.gif");
  guest =      newImage("americana/graphics/guest_button.gif");
  guest_over = newImage("americana/graphics/guest_button-over.gif");
  preloadFlag = true;
  }
  // display_popup();
}