Checkbutton in a loop

[gocpon]

Hi,

I create a checkbutton in loop, If I check any of the checkbutton i am not getting -text of the corresponding checkbutton .Kindly help me

#! c:\perl\Bin
use Tk;
use Tk::Pane;
use Tk::CheckButton;
use Tk::LabFrame;
@a=qw/one two three four five six seven eight nine ten/;
 $mw = MainWindow->new;
$mw->geometry('200x200');
$f = $mw->Scrolled("Frame",-borderwidth => 3, -relief => 'groove',-hei
+ght=>20)->pack;
#$scrollbar = $f->Scrollbar(-orient => 'vertical');
$j=0;
foreach $i(1...20)
{

$c=$f->Checkbutton(-text=>$a[$j],-command=>\&fun)->pack();
$i++;
$j++;
}
MainLoop;
sub fun
{
    print ("$a[$j]");
}