function slanty() {
  if (document.getElementById('sidebar')) {
    var sidebar = document.getElementById('sidebar');
    var gray_uls = sidebar.getElementsByTagName('ul');

    for (var i = 0; i < gray_uls.length; i++) {
      if (i == 0) {
        var original = gray_uls[i];
        var graytop = document.createElement('div');
        graytop.className = 'gray_top';
        original.parentNode.replaceChild(graytop, original);
        graytop.parentNode.appendChild(original);
      }
      else if (i == gray_uls.length - 1) {
        var graybottom = document.createElement('div');
        graybottom.className = 'gray_bottom';
        graytop.parentNode.appendChild(graybottom);
      }
      var white_uls = gray_uls[i].getElementsByTagName('ul');

      for (var j = 0; j < white_uls.length; j++) {
        var orig = white_uls[j];
        var whitetop = document.createElement('div');
        whitetop.className = 'white_top';
        var whitebottom = document.createElement('div');
        whitebottom.className = 'white_bottom';
        orig.parentNode.replaceChild(whitetop, orig);
        whitetop.parentNode.appendChild(orig);
        whitetop.parentNode.appendChild(whitebottom);
      }
    }
  }
  var divs = document.getElementsByTagName('div');
  var post_divs = [];
  for (var i = 0; i < divs.length; i++) {
    if (/\bentry\b/.exec(divs[i].className) || /\bentrytext\b/.exec(divs[i].className)) {
      post_divs[post_divs.length] = divs[i];
    }
  }
  for (var i = 0; i < post_divs.length; i++) {
    var original = post_divs[i];
    var topright = document.createElement('div');
    topright.className = 'top_right';
    var leftside = document.createElement('div');
    leftside.className = 'left_side';
    original.parentNode.insertBefore(topright, original);
    original.parentNode.insertBefore(leftside, original);
  }
}
window.onload = slanty;