Yeah, it's a browser-dependent thing. IE tends to be the most egregious offender in the unintended caching thing, as it tends to ignore nocache directives (but not, as you noticed, consistently).

The other option to consider would be to do this through an Ajax call: Set up a div to hold the updated info, and have the button action do an XHR to update the div. I would suggest not writing the code directly, but using a pre-existing library (jquery and yui are relatively lightweight, I'm partial to prototype, my JS guy from a previous job swore by mootools, it's all religion ultimately). Once you start doing the Ajax-y stuff, you discover that the old way of doing things is just painful.

Donald Hosek, Tech Lead at oversee.net
L.A. perl people, we're hiring.

In reply to Re^3: PERL + javascript popup by dhosek
in thread PERL + javascript popup by adrive

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.