/**
This is pop-up blocker detector
**/
function popupBlockerDetector(msg) {
  var mine = window.open("about:blank","","directories=no,height=0,width=0,menubar=no,resizable=no,scrollbars=no,status=no,titlebar=no,top=0,location=no");
  if (!mine) {
    alert(msg);
  } else {
    mine.close();
    //alert("No popup blocker was detected.");
  }
}