jira.user.js

// ==UserScript==
// @name           Jira improvements
// @namespace      http://lackac.hu
// @include        http://crm.virgo.hu/*
// ==/UserScript==

var GM_JQ = document.createElement('script');  
GM_JQ.src = 'http://jquery.com/src/jquery-latest.js';
GM_JQ.type = 'text/javascript';  
document.getElementsByTagName('head')[0].appendChild(GM_JQ);

(function() {
  if (typeof unsafeWindow.jQuery == 'undefined') {
    window.setTimeout(arguments.callee, 100);
  } else {
    $j = unsafeWindow.$ = unsafeWindow.jQuery;
    letsJQuery();
  }
})();

function letsJQuery() {
  $j('td[width="50%"] input[name="issuesummary"]').css('width', '36em');
  $j('tr.rowHeader:contains(Time Sheet Summary)').each(function() {
    var table = $j(this).parent();
    table.find('tr:not(.rowHeader, :last)').each(function() {
      var row = $j(this);
      var newRow = row.clone();
      var days = row.find('td.nonWorkedDay, td.workedDay').remove();
      var issueTitle = row.find('td:eq(2)')
        .remove().insertAfter(row.find('td:eq(2)'))
        .attr({'colspan': days.length, 'align': 'center'}).addClass('issue-title').hide().find('a').text();
      row.find('td:lt(3)').attr('rowspan', 2);
      row.attr('title', issueTitle);
      newRow.find('td:lt(4)').remove();
      newRow.attr('title', issueTitle);
      row.after(newRow);
    });
    table.find('tr:first td:first, tr:last td:first').attr('colspan', 3);
    var titlesLink = $j('<span/>').html('(');
    titlesLink.append(
      $j('<a href="#">Titles</a>').click(function(e) {
        e.preventDefault();
        $j(this).parents('table:first').find('td.issue-title').toggle();
      })
    )
    titlesLink.append(')');
    titlesLink.css('font-size', '0.8em');
    table.find('tr:first td:first').append(titlesLink);
  });
}