$(function() {
  $('#side #menu li.expandable > a').dblclick(function() {
    window.location = $(this).attr('href');
  })
  $('#side #menu li.expandable > span').toggle(function() {
    $(this).find("img").attr('src', '/soc/content/images/plus.gif').end().parent().children("ul").toggle();
  }, function() {
    $(this).find("img").attr('src', '/soc/content/images/minus.gif').end().parent().children("ul").toggle();
    return false;
  });
  $('#side #menu li.expandable > span').contents().before('<img src="/soc/content/images/minus.gif" />');
});