Get url parameters value by name

get-location-search-by-value.js

//http://stackoverflow.com/questions/901115/how-can-i-get-query-string-values
getParameterByName: function(name) {
  name = name.replace(/[\[]/, "\\\[").replace(/[\]]/, "\\\]");
  var regex = new RegExp("[\\?&]" + name + "=([^&#]*)"),
  results = regex.exec(location.search);
  return results == null ? "" : decodeURIComponent(results[1].replace(/\+/g, " "));
}