# Create a top-level window that displays a bunch of check buttons.
my($demo) = @_;
$TOP = $MW->WidgetDemo(
-name => $demo,
-text => 'Three checkbuttons are displayed below. If you click on a button, it will toggle the button\'s selection state and set a Perl variable to a value indicating the state of the checkbutton. Click the "See Variables" button to see the current values of the variables.',