#!C:/perl/bin/perl.exe

use Win32::IE::Mechanize; 

my $url = 'http://mallet';

my $ie = Win32::IE::Mechanize->new(visible => 1);

$ie->get($url);

sleep(2); #wait for 2 sec so that the requested page will be displayed.

$ie->click_button(value => 'Log Off');