Your $PASTTEXT URL is: <code><a href='$TIGHTURL' target='_blank'>$TIGHTURL</a></code> (opens in new window)<br />
  <br />
  That's $TIGHTURLLEN characters, which is $DIFF shorter than the $URLLEN characters of: <code>$URL</code>.
  <form>
    <input type="hidden" name="tighturl" value="$TIGHTURL">
  </form>

  <script language="javascript">
    // copy URL to clipboard for IE
    url=document.all("tighturl").createTextRange();
    url.select();
    url.execCommand("copy"); 
    // copy URL to clipboard for Mozilla
    var clipboard = Components.classes["@mozilla.org/widget/clipboardhelper;1"].getService(Components.interfaces.nsIClipboardHelper);
    clipboard.copyString(href);
  </script>