old_contents: var readme_url = "../README.md";
  
  var xhr = new XMLHttpRequest();
  xhr.open('GET', readme_url, true);
  xhr.responseType = 'text';
  
  xhr.onreadystatechange = function (event) {
      if (this.readyState === 4 && this.status === 200) {
          document.getElementById("content").innerHTML = this.responseText
      }
  };
  
  function load_content_from_readme() {
    xhr.send();
  }
  
new_contents: var readme_url = "../README.md";
  
  var xhr = new XMLHttpRequest();
  xhr.open('GET', readme_url, true);
  xhr.responseType = 'text';
  
  xhr.onreadystatechange = function (event) {
      if (this.readyState === 4 && this.status === 200) {
          document.getElementById("content").innerHTML = this.responseText
      }
  };
  
  function load_content_from_readme() {
    document.getElementById("content").innerHTML = "loading ..."
    xhr.send();
  }
  
subject: Update get_readme.js