$my_template->param(
    {
        datemenu => popup_menu(
        -name => 'MinDuration',
        -values => [0..5],
        -default => 3,
        -labels => {
            0 => ' any',
            1 => ' one day',
            2 => ' two days',
            3 => ' three days',
            4 => ' four days',
            5 => ' one week',
        }
    ),