protected void Page_Load(object sender, EventArgs e)
        {
            if (Request.QueryString["Page"] == null) {
                (Master as Dreadnought_Master).Message("No page specified. Please use the querystring Page to specify the full relative path to a page.");
                DisableAll();
                return;
            }

            pageInfo = new PageInfo(Request.QueryString["Page"]);
            try {
                pageInfo.Load();
            } catch (PageDoesNotExistException) {
                (Master as Dreadnought_Master).Message("The specified page does not exist (<a href=\"CreatePage.aspx?Page=" + pageInfo.RelativePath + "\">Create it</a>).");
                DisableAll();
                return;
            } catch (InvalidDirectoryException) {
                (Master as Dreadnought_Master).Message("You are not allowed to load a page from the directory '" + pageInfo.RelativeDirectory + "'.");
                DisableAll();
                return;
            } catch {
                (Master as Dreadnought_Master).Message("An unexpected error occurred. Please make sure you have sufficient user rights.");
                DisableAll();
                return;
            }

            if (!IsPostBack) {
                LoadContentPlaceholders();
                LoadText();
            }
        }