#!/usr/local/bin/perl -w

use Tk;
use Tk::Dialog;

my $mw  = MainWindow->new;
my $d1  = $mw->Dialog(-text => 'First Dialog',
                      -popover => $mw,
                      -overanchor => 's',-popanchor => 'n');
my $d2  = $mw->Dialog(-text => 'Second Dialog',
                      -popover => $d1,
                      -overanchor => 'e',-popanchor => 'w');
$d1->Button(-text => 'Again',-command => [$d2,'Show'])->pack;

$mw->Button(-text => 'Popup',-command => [$d1,'Show'])->pack;

MainLoop;