setTimeout('check_ads()', 100); 
function check_ads() { 
  var blocked = false; 
  var e = document.getElementsByTagName("iframe"); 
  for (var i = 0; i < e.length; i++) 
    if ((e[i].src.indexOf("googlesyndication.com") > -1) && 
        (e[i].setAttribute && (e[i].style.visibility == "hidden" || 
         e[i].style.display == "none"))) blocked = true; 
  if ((e.length == 0) || blocked) { 
          location = "/sorry.html"; 
       window.location(location); 
  } 
}