anchor.diff:      e.preventDefault();
     });
   
  -  intervalID = window.setInterval(function() {
  +  var intervalID = window.setInterval(function() {
       changeBackgroundColor();
       updateHarvestData();
       updateColoredTextMode();
  
positive.code: }
  
  function clearTodayClasses() {
    $("#today")[0].classList.remove("back-to-today");
    $("#today")[0].classList.remove("forward-to-today");
  }
  
  function changeBackgroundImage(url) {
  
negative.code:     } else {
        newClass = "back-to-today";
      }
      var todayElement = $("#today")[0];
      if (todayElement) {
        todayElement.$("#today")[0]classList.add(newClass);
      }
    }
  
    setTimeout(function() {
  