#!/usr/bin/perl open(HD,"top.html"); print "Content-type:Text/html\n\n"; print while (); close(HD); use CGI qw(param); my $year = param('year'); my $month = param('month')-1; my $day = param('day'); my $hour = param('hour'); my $min = param('min'); my $sec = param('sec'); use Time::Local; my $time = timegm($sec,$min,$hour,$day,$month,$year); print qq~The unix time is: $time  

The CountDown code is:

<COUNTDOWN=$time>~; open(FO,"bottom.html"); print while (); close(FO);