text: /*!
   * Piwik - free/libre analytics platform
   *
   * @link http://piwik.org
   * @license http://www.gnu.org/licenses/gpl-3.0.html GPL v3 or later
   */
  
  var Overlay_Helper = {
  
      /** Encode the iframe url to put it behind the hash in sidebar mode */
      encodeFrameUrl: function (url) {
          // url encode + replace % with $ to make sure that browsers don't break the encoding
          return encodeURIComponent(url).replace(/%/g, '$')
      },
  
      /** Decode the url after reading it from the hash */
      decodeFrameUrl: function (url) {
          // reverse encodeFrameUrl()
          return decodeURIComponent(url.replace(/\$/g, '%'));
      },
  
      /** Get the url to launch overlay */
      getOverlayLink: function (idSite, period, date, segment, link) {
          var url = 'index.php?module=Overlay&period=' + encodeURIComponent(period) + '&date=' + encodeURIComponent(date) + '&idSite=' + encodeURIComponent(idSite);
  
          if (segment) {
              url += '&segment=' + encodeURIComponent(segment);
          }
  
          var token_auth = piwik.broadcast.getValueFromUrl("token_auth");
          if (token_auth.length && piwik.shouldPropagateTokenAuth) {
              url += '&token_auth='  + encodeURIComponent(token_auth);
          }
  
          if (link) {
              url += '#?l=' + Overlay_Helper.encodeFrameUrl(link);
          }
  
          return url;
      }
  
  };