sub error_mf_page {
  print header,
        start_html( "Email This Article to a Friend" ),
        p( {-align => 'center'},
           b( "The following fields are missing or improperly filled" ) ),
        p(),
        hr(),
        "@error_fields",
        p(),
        hr(),
        p(),
        "Please use the",
        b( " back " ),
        "button on your browser to return and complete the form.",
        end_html;
}