use constant DEBUG  => 0;                # Log levels
use constant INFO   => 1;
use constant NORMAL => 2;
use constant WARN   => 3;
use constant ERROR  => 4;
my @LOG_LEVEL_NAME = ('DEBUG', 'INFO', 'NORMAL', 'WARN', 'ERROR');
my $LOG_LEVEL = DEBUG;

sub LogMsg {
  my $level = shift;

  unless ($level >= $LOG_LEVEL) {return}
  my ($sec, $min, $hour, $day, $mon, $year) = localtime;
  $LogCounter++;
  if (open LOG, ">> $LOGFILE") {
    printf LOG "%04d.%02d.%02d %02d:%02d:%02d.%d: ",
      $year+1900, $mon+1, $day, $hour, $min, $sec, $LogCounter;
    print LOG "$$: $Display: $LOG_LEVEL_NAME[$level]: @_\n";
    close LOG;
  }
}

LogMsg INFO, "Starting chooser mode...";