var region_html = "<div class='sga-region sga-region-a1'><a class='sga-ad sga-ad-67' href='http://ads.sgawebsites.com/ads/fc47ceeb4e1e179032718a2aac9083f2fe121d35/67/' style='display: block;'><img style='display: block; margin: 0 auto;' src='http://ads.sgawebsites.com/media/ads/GTownerLeaderboardAd_old_1.jpg' alt='Long and Foster Banner' /></a></div>";


if (jQuery) {
  var cycle = true;
  $(window).focus(function() {
    cycle = true;
  }).blur(function() {
    cycle = false;
  });
  
  var element = jQuery('script[src$="/ads/display/fc47ceeb4e1e179032718a2aac9083f2fe121d35/"]');
  
  // For jQuery versions prior to 1.2.
  if (element.length == 0) {
    element = jQuery('script[@src$="/ads/display/fc47ceeb4e1e179032718a2aac9083f2fe121d35/"]');
  }

  element.after(region_html).remove();
  
  
  setInterval(function() {
    if (cycle) {
      var current = $('.sga-region-a1 .sga-ad:visible');
      var next = $('.sga-region-a1 .sga-ad:visible').next();
      
      if (!next.length) {
        next = $('.sga-region-a1 .sga-ad:first');
      }    
     
      current.hide();
      next.show();
      var tracker = new Image();
      tracker.src = $(next).attr('href') + '?impression';
    }
  }, 1000 * 30);
  
  
  
  var region = $('.sga-region-a1');
  
  $('.sga-region-a1 .sga-ad img').mouseover(function() {
      var tracker = new Image();
      tracker.src = $(this).parent().attr('href') + '?hover';
  });
  
}
else {
    // TODO
}