text: /*global define*/
  define([
          '../Core/DeveloperError'
      ], function(
          DeveloperError) {
      "use strict";
  
      /**
       * If element is a string, look up the element in the DOM by ID.  Otherwise return element.
       *
       * @private
       *
       * @exception {DeveloperError} Element with id "id" does not exist in the document.
       */
      var getElement = function(element) {
          if (typeof element === 'string') {
              var foundElement = document.getElementById(element);
              if (foundElement === null) {
                  throw new DeveloperError('Element with id "' + element + '" does not exist in the document.');
              }
              element = foundElement;
          }
          return element;
      };
  
      return getElement;
  });