get or restore form values

gistfile1.txt

//$('form').values() or $('form').values(v)
$.fn.values = function(data) {
  var els = $(this).find(':input').get();

  if (typeof data != 'object') {
    // return all data
    data = {};

    $.each(els, function() {
      if (this.name && !this.disabled && (this.checked
        || /select|textarea/i.test(this.nodeName)
        || /text|number|hidden|password/i.test(this.type))) {
        if (this.type === 'checkbox' || this.type === 'radio') {
          //multiple values goes into the same key
          data[this.name] = data[this.name] || {};
          data[this.name][$(this).val()] = true;
        } else {
          data[this.name] = $(this).val();
        }
      }
    });
    return data;
  } else {
    $.each(els, function() {
      if (this.name && data[this.name]) {
        if (this.type === 'checkbox' || this.type === 'radio') {
          $(this).prop("checked", $(this).val() in data[this.name]);
        } else {
          $(this).val(data[this.name]);
        }
      }
    });
    return $(this);
  }
};