Greasemonkey script to clean google search results ad crap

// ==UserScript==
// @name        cleangoogle
// @namespace   https://www.google.com/
// @include     https://www.google.com/*
// @include     http://www.google.com/*
// @version     1.0.1
// ==/UserScript==

(function () {

function getElementsById(id) {
    return document.querySelectorAll("[id='" + id + "']");
}

  var spam_text = 'spam'
  var spam_style = "font-size: 0.5em; color: #d0d0d0; border: 1px dashed #d0d0d0;padding: 0px;"

  var center_col = document.getElementById('center_col');
  if (center_col) {
    center_col.setAttribute('style', 'padding-top: 0px;');
  }

  // ids to hide
  var hideme = new Array('tads', 'rhs_block');
  for ( var x = 0; x < hideme.length; x++ ) {    // loop thru the hide id array
    var ids = getElementsById(hideme[x]);
    for ( var i = 0; i < ids.length; i++ ) {    // loop thru the ids
      // ids[i].style['display'] = 'none';         // set the element not to show
      ids[i].innerHTML = spam_text;
      ids[i].setAttribute('style', ids[i].style.cssText + ";" + spam_style);
    }
  }

})();