Tk::Panel - A collapsable frame with title.

  use Tk;
  use Tk::Panel;

  $m = $parent->Panel(
		-relief	=> <relief of inner boundary>,
		-border	=> <border size of inner boundary>
		-text	=> <text of title>
		-toggle	=> <0|1>
		-state	=> <normal|active|disabled>
		-show	=> 1|0
  	);

   $m->Widget()->pack();

	This is a frame type object with a boundary and a title.
	The title can include a checkbox allowing the contents of
	the panel to be collapsed.

	Further widgets can be created inside the Panel.

        Sets the relief of inner boundary. The default is 'raised'.

        Sets the relief of inner boundary.

        Sets the title of the Panel.

        This sets if the Panel can be collapsed via the title.

	This sets the state of the check button version of the title.

	This sets if the Panel is expanded or collapsed.