(function ($) {

Drupal.behaviors.openid = {

  attach: function (context) {

    var loginElements = $('.form-item-name, .form-item-pass, li.openid-link');

    var openidElements = $('.form-item-openid-identifier, li.user-link');

    var cookie = $.cookie('Drupal.visitor.openid_identifier');

    // This behavior attaches by ID, so is only valid once on a page.

    if (!$('#edit-openid-identifier.openid-processed').length) {

      if (cookie) {

        $('#edit-openid-identifier').val(cookie);

      }

      if ($('#edit-openid-identifier').val() || location.hash == '#openid-login') {

        $('#edit-openid-identifier').addClass('openid-processed');

        loginElements.hide();

        // Use .css('display', 'block') instead of .show() to be Konqueror friendly.

        openidElements.css('display', 'block');

      }

    }

    $('li.openid-link:not(.openid-processed)', context)

      .addClass('openid-processed')

      .click(function () {

         loginElements.hide();

         openidElements.css('display', 'block');

        // Remove possible error message.

        $('#edit-name, #edit-pass').removeClass('error');

        $('div.messages.error').hide();

        // Set focus on OpenID Identifier field.

        $('#edit-openid-identifier')[0].focus();

        return false;

      });

    $('li.user-link:not(.openid-processed)', context)

      .addClass('openid-processed')

      .click(function () {

         openidElements.hide();

         loginElements.css('display', 'block');

        // Clear OpenID Identifier field and remove possible error message.

        $('#edit-openid-identifier').val('').removeClass('error');

        $('div.messages.error').css('display', 'block');

        // Set focus on username field.

        $('#edit-name')[0].focus();

        return false;

      });

  }

};

})(jQuery);