function render_widget1(id) {
  var widgetArea = document.getElementById(id);
  widgetArea.innerHTML = ``;
  widgetArea.dataset.originId = id;
  widgetArea.id = id + "_" + Math.random().toString(32).substring(2);
}
(function(){
  function addClass(elName) {
    document
      .querySelectorAll(".RPsXVH9eVL_course_container " + elName)
      .forEach($el => {
        $el.classList.add("cwidget_" + elName)
      })
  }
  window.addEventListener('load', (event) => {
    [
      "header", "div", "section", "p",
      "table", "tr", "td", "th", "tbody",
      "a", "span", "strong", "img"
    ].forEach(tag => {
      addClass(tag)
    })
  });
})()