function getParameterByName(key,url) {
  name = key.replace(/[\[]/, "\\[").replace(/[\]]/, "\\]");
  var regex = new RegExp("[\\?&]" + name + "=([^&#]*)"),
  results = regex.exec(url);
  if (results) {
    results = decodeURIComponent(results[1].replace(/\+/g, " "));
  }
  else {
    results = false;
  }
  return results;
}