text: ﻿var mapHelper = {
  
      bingData: function () {
          var _bingData = '';
          var bingMessage = 'You must provide your own API key for Bing Maps in the code of this sample to display geographic imagery from Bing Maps in the background content of the Geographic Map control. Replace the mapHelper.bingData() function with a string that contains your Bing Maps key.';
  
          if (_bingData === '') {
              alert(bingMessage);
          }
  
          return _bingData;
      },
      cloudmadeData: function () {
          return "c5a3422adb935a0cac5321c8e2fcfa0c";
      }
  };
  