var close_overlay;
var active_overlay = false;

(function($) {
  $(document).ready(function() {
    // keyboard shortcuts.
    $(document).keydown(function(e) {
      if (e.keyCode == 27)
        close_overlay();
      else if (e.keyCode == 65 && e.shiftKey
               && e.target.localName != 'input'
               && e.target.localName != 'textarea')
        document.location = '/admin.html';
    });
  });

  close_overlay = function () {
    active_overlay = false;
    $('#mainmatter').css('opacity', '1');
    $('#overlay').removeClass('overlay');
  };
}) (jQuery);