function initBrackets() {
  var contents = getElt('page');
  if(contents) {
    if (!document.getElementsByTagName) {
      return;
    }
    var titles = document.getElementsByTagName('h2');
    for(var i=0; i<titles.length; i++) {
      if(titles[i].className == 'brackets') {
        var text = titles[i].innerText || titles[i].textContent;
        if (titles[i].innerText) titles[i].innerText = "[ "+text+" ]";
        else titles[i].textContent = "[ "+text+" ]";
        titles[i].className = 'brackets with_brackets';
      }
    }
  }
}