function mycallbackfunc(v,m){
//  if (v == 1) window.location.replace("flight_errorhandler.php");
  if (v == 2) window.location.replace("flight_errorhandler.php?what=search");
//  if (v == 3) window.location.replace("flight_booking.php?manual=TRUE");
}
function mycallbackfunc1(v,m){
  if (v == 2) history.go(-1);
}
function mycallbackfunc2(v,m){
  if (v == 1) window.location.replace("flight_booking.php?manual=TRUE");
  if (v == 2) window.location.replace("flight_errorhandler.php");
}
function mycallbackfunc3(v,m){
  if (v == 1) window.location.replace("flight_errorhandler.php?what=search");
}