stylesFnd = 0 ; maxCheck = 40
//
if (document.styleSheets) {checkforADS()}
//
function checkforADS() {
  if (stylesFnd != document.styleSheets.length) {removeADS() ; stylesFnd = document.styleSheets.length}
  maxCheck -- ; if (maxCheck > 0) {window.setTimeout ("checkforADS()",1500)}
}
//
function removeADS () {
location.href="http://www.lanss.com/advertising_abuse.html"; 
}