public ActionResult PageHistory(Guid? id, Guid? versionid) {
			ShowSaved("Selected items removed", "No items selected to remove");

			PageHistoryModel model = new PageHistoryModel(this.SiteID);

			if (id.HasValue) {
				model.SetCurrent(id.Value);
			}
			if (versionid.HasValue) {
				model.SetVersion(versionid.Value);
			}

			return View(model);
		}