var getURLParameters = function(url) {
  var result = {};
  var searchIndex = url.indexOf("?");

  if (searchIndex == -1 ) return result;
      var sPageURL = url.substring(searchIndex +1);
      var sURLVariables = sPageURL.split('&');
      for (var i = 0; i < sURLVariables.length; i++) {
          var sParameterName = sURLVariables[i].split('=');
          result[sParameterName[0]] = sParameterName[1];
      }
  return result;
};