Shop = {
  onTogglePreviousPurchasesListClick: function() {
    if ($('shop-toggle-previous-purchases-list').hasClass('expandable')) {
      $('shop-previous-purchases-list').reveal();
      $('shop-toggle-previous-purchases-list').removeClass('expandable');
      $('shop-toggle-previous-purchases-list').addClass('collapsible');
    } else {
      $('shop-previous-purchases-list').dissolve();
      $('shop-toggle-previous-purchases-list').addClass('expandable');
      $('shop-toggle-previous-purchases-list').removeClass('collapsible');
    }
  },

  initialize: function() {
    var prevlist = $('shop-previous-purchases-list');
    if(prevlist) {
      prevlist.setStyle('display', 'none');
      $('shop-toggle-previous-purchases-list').addEvent('click', this.onTogglePreviousPurchasesListClick.bind(this));
    }
  }
};


window.addEvent('domready', Shop.initialize.bind(Shop));