text: /**!
   * File: dropdown.js
   */
  
  var dropdowns =  Array.prototype.slice.call(document.getElementsByClassName('dropdown-button'));
  
  dropdowns.forEach(function( dropdown ) {
  
      var links = Array.prototype.slice.call(document.getElementsByClassName('link'));
  
      dropdown.addEventListener('click', function(e){
  
          e.preventDefault();
          var targetId = this.parentElement.id;
          document.getElementById(targetId).classList.toggle('active');
          stopPart();
  
      }, false);
  
      links.forEach(function( link ) {
  
          link.addEventListener('click', function(e){
  
              e.preventDefault();
              var targetId = this.parentElement.parentElement.parentElement.parentElement.id;
              document.getElementById(targetId).classList.remove('active');
  
          });
      });
  });
  