Check PopUp blocker is enabled or not


FUNCTION IsPopupBlocker() {
   var oWin = window.OPEN("""testpopupblocker""width=100,height=50,top=5000,left=5000";
   IF (oWin==NULL || typeof(oWin)=="undefined" {
       RETURN true;
   } ELSE {
       oWin.CLOSE();
       RETURN false;
   }
}

IF (IsPopupBlocker()) {
   document.write("You HAVE A POPUP BLOCKER";
} ELSE {
   document.write("Popup blocker NOT detected.";
}