materio-base-d7/modules/openid/openid.js

(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);