I couldn't get throught to your site but check this out:

#!/usr/bin/perl -Tw
use strict;
use CGI qw(:standard -no_xhtml -newstyle_urls);

# (C) 2001, Jaldhar Vyas
# Licensed under the Crowley Public License ('Do what thou wilt 
# shall be the whole of the license.')

# Declare our color sets as a hash of references to arrays.

my %colorsets = ( patriotic => ['red', 'white', 'blue'],
                  sensitive => ['aqua', 'silver', 'teal'],
                  fugly     => ['maroon', 'fuchsia', 'lime'],
                );

# pick the color set from the query string, making sure it actually 
# exists in case someone sent us random crap.  Default is 
# 'patriotic'.  Use the trinary operator because it is so cool.

my $colors =(param('scheme') && exists($colorsets{param('scheme')}))
             ? $colorsets{param('scheme')}
             : $colorsets{patriotic};

# print the page.

print
  header,
  start_html(-title  => 'color sets',
             -author  => 'jaldhar@braincells.com'),
  p('The current scheme is ', param('scheme') || 'patriotic', '.'),
  table({border => 2},
    Tr(

# for each cell we pick a random color from our chosen color set.
# Remember, $colors is a reference to an array so dereference 
# accordingly.  This ought to be a subroutine to avoid repetition.

      td({bgcolor => @$colors[rand scalar @$colors], width => 100},
        ' '),
      td({bgcolor => @$colors[rand scalar @$colors], width => 100},
        ' '),
      td({bgcolor => @$colors[rand scalar @$colors], width => 100},
        ' '),
    ),
  ),
  p('Select a color scheme:'),

# A form to pick color sets from.

  start_form,
  radio_group(-name => 'scheme',
              -values => ['patriotic', 'sensitive', 'fugly'],
             ),
  br,
  submit,
  end_form
  end_html;

[download]

In reply to Re: How can I specify which array to use with $ENV(queary_string)? by jaldhar
in thread [untitled node, ID 130617] by Samn

Title:
Use:  <p> text here (a paragraph) </p>
and:  <code> code here </code>
to format your post, it's "PerlMonks-approved HTML":


  • Posts are HTML formatted. Put <p> </p> tags around your paragraphs. Put <code> </code> tags around your code and data!
  • Titles consisting of a single word are discouraged, and in most cases are disallowed outright.
  • Read Where should I post X? if you're not absolutely sure you're posting in the right place.
  • Please read these before you post! —
  • Posts may use any of the Perl Monks Approved HTML tags:
    a, abbr, b, big, blockquote, br, caption, center, col, colgroup, dd, del, details, div, dl, dt, em, font, h1, h2, h3, h4, h5, h6, hr, i, ins, li, ol, p, pre, readmore, small, span, spoiler, strike, strong, sub, summary, sup, table, tbody, td, tfoot, th, thead, tr, tt, u, ul, wbr
  • You may need to use entities for some characters, as follows. (Exception: Within code tags, you can put the characters literally.)
            For:     Use:
    & &amp;
    < &lt;
    > &gt;
    [ &#91;
    ] &#93;
  • Link using PerlMonks shortcuts! What shortcuts can I use for linking?
  • See Writeup Formatting Tips and other pages linked from there for more info.