use vars qw($type $expires $css $title $tm $file $mod);
$type    = 'text/html';
$expires = 'now';
$css   = './ybiC.css';
$title = 'CGI, CSS and Tables';
$tm    = localtime;
$file  = '/var/www/htdocs/ybiC.cgi';
$mod   = ctime(stat($file)-> mtime);