function popAvport(url) {
//alert("Entering popAvport.....W/ url--:" + url + ":--");
// opens  a new no chrome, no scroll, and not resizable viewport       
  var popper = null;
  popper = window.open(url,'ViewPort','resizable=no,status=yes,toolbar=no,menubar=no,location=no');
  if (popper) {
//alert("in Pop-A-Window: new window name: " + popper.name);
    invalidexit = true;
    var rtnVal = true;
  } else {
    alert("You appear to have Pop-ups Blocked!  Please unblock to continue.\n\nWe recommend:\n\n\"Always Allow Pop-ups from This Site...\"");
    invalidexit = false;
    var rtnVal = false;
  }
  return rtnVal;
}  //end popAvport()