materio-base-d7/maintenance/index_files/panels.js

(function ($) {
  Drupal.Panels = Drupal.Panels || {};

  Drupal.Panels.autoAttach = function() {
    if ($.browser.msie) {
      // If IE, attach a hover event so we can see our admin links.
      $("div.panel-pane").hover(
        function() {
          $('div.panel-hide', this).addClass("panel-hide-hover"); return true;
        },
        function() {
          $('div.panel-hide', this).removeClass("panel-hide-hover"); return true;
        }
      );
      $("div.admin-links").hover(
        function() {
          $(this).addClass("admin-links-hover"); return true;
        },
        function(){
          $(this).removeClass("admin-links-hover"); return true;
        }
      );
    }
  };

  $(Drupal.Panels.autoAttach);
})(jQuery);