I'm not sure of the exact error, but this is the output of diff: (out1.html is perl yourscript.pl > out1.html; out2.html is just copied/pasted from your example above)
buu@its01:~$ diff out1.html out2.html 4c4 < <SCRIPT LANGUAGE="Javascript" type="text/javascript"> --- > <SCRIPT language="Javascript" type="text/javascript"> 8c8 < (o.selected) { --- > if (o.selected) { 11a12 > 34,36c35,37 < <td align="center"> < <input class="accessButton" type="button" value="Add +>>" onClick="moveOptions(this.form.available, this.form.selected;"><b +r> < <input class="accessButton" type="button" value="<<R +emove" onClick="moveOptions(this.form.selected, this.form.available;" +> --- > <td> > <input class="accessButton" type="button" value=">>" + onClick="moveOptions(this.form.available, this.form.selected);"><br> > <input class="accessButton" type="button" value="<<" + onClick="moveOptions(this.form.selected, this.form.available);"> 45a47 >

In reply to Re: Perl CGI w/ Javascript by BUU
in thread Perl CGI w/ Javascript by tertullian01

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.