function detectPopupBlocker() {
  var myTest = window.open("about:blank","","directories=no,height=100,width=100,menubar=no,resizable=no,scrollbars=no,status=no,titlebar=no,top=0,location=no");
  if (!myTest) {
    alert("A popup blocker was detected. Please set it to allow www.toolboxpro.org in order for the program to function correctly.");
  } else {
    myTest.close();
    //alert("No popup blocker was detected.");
  }
}