function DataMap(myUrl){
  var spreadsheet;
  var sheet;
  var range;
  var values;
  var url = myUrl;
 // load();

  DataMap.prototype.getURL = function(){
    return myUrl;
  }

  DataMap.prototype.setURL = function(url){
    Logger.log("setUrl " + url);
    this.url = url;
  }
}