dialog($titel, $text);
#my @daten = eingabe();
#for(@daten){print $_};

sub dialog {
	
	my @daten;
	
	my $titel = shift;
	my $text = shift;
	my $mw = tkinit();
	
 	my $dialog = $mw->Dialog(-title => $titel,-text => $text, -bitmap => 'info', -font=>'courier 8', -buttons => ['Ja, jetzt', 'Später', 'Nein']);
 	$dialog->iconimage($bild);
 	$dialog-> transient('');
 	$mw->withdraw();  
	my $answer = $dialog->Show();
	
	if($answer eq "Ja, jetzt"){
	
		@daten = eingabe();
	
		for(@daten){
			print $_;
		}
	}
	
	elsif ($answer eq "Später"){
	}
	#nein
	else {
	}
	$dialog->destroy();
}

sub eingabe {
	
	my @daten;
	my $text = "Bitte geben Sie die Daten ein, die Ihnen vom * zugeteilt wurden.\n".
	"(Beim Alias geht es um den Teil vor dem @,)";
	my $mw = tkinit(-title=> '*');

    my $fenster = $mw -> Frame(-padx=>"3m", -pady=>"3m") -> pack();
    
    my $but_frame = $fenster->Component('Frame' => 'but_frame')->pack(-side=>'bottom');
    my $ok_but = $but_frame -> Button(-text=>"       Senden         ", -command => sub{@daten = ok($mw, $fenster);}) -> pack(-side=>'left', -expand=>1);
    my $sep_frame = $but_frame -> Frame(-width=>20) -> pack(-side=>'left', -expand=>1);
    my $ab_but = $but_frame -> Button(-text=>"       Abbrechen      ", -command => sub{abbrechen($mw);}) -> pack(-side=>'right',-expand=>1);

	my $lab_frame = $fenster -> Component('Frame' => 'lab_frame')->pack(-expand => 1, -fill => 'both', -side=>'left');
	$lab_frame -> Label(-text => '                    Alias:')->pack(-anchor => 'w', -anchor => 'center');
	$lab_frame -> Label(-text=>'                    Username:')->pack(-anchor=>'w', -anchor => 'center');
	$lab_frame -> Label(-text=>'                    Kennwort:')->pack(-anchor=>'w', -anchor => 'center');
	
	my $alias_var = '';
	my $user_var = '';
	my $password_var = '';
	
	my $dat_frame = $fenster -> Component ('Frame' => 'dat_frame')->pack(-expand=>1, -fill => 'both', -side=>'left');
	my $alias = $dat_frame -> Component ('Entry' => 'alias', -textvariable => \$alias_var)->pack(-anchor => 'center');	
	$alias->focus();
	my $user = $dat_frame -> Component ('Entry' => 'user', -textvariable => \$user_var)->pack(-anchor => 'center');	
	my $entry = $dat_frame ->Component('Entry' => 'password', -textvariable => \$password_var, -show => '*')->pack(-anchor => 'center');
  	
  	$alias->bind('<Return>', sub{$user->focus();}); 
  	$user->bind('<Return>', sub{$entry->focus();}); 
 	$entry->bind('<Return>', sub{@daten = ok($mw, $fenster);});
 	
 	MainLoop;
 	print "dies wird nicht angezeigt";
 	return @daten;
 	
 	sub ok {
   		my $mw = shift;
    	my $fenster = shift;
    	my $alias = $fenster->Subwidget('dat_frame')->Subwidget('alias')->get();
		my $user = $fenster->Subwidget('dat_frame')->Subwidget('user')->get();
		my $pass = $fenster->Subwidget('dat_frame')->Subwidget('password')->get();
    	$mw -> destroy();
    	return ($alias, $user, $pass);
	}
}