private void PersonalButton_Click(object sender, RoutedEventArgs e)
        {
            //Selected
            personaleButtonImageBrush.ImageSource = personalButtonDarkImage;
            //Unselected
            FavouriteButtonImageBrush.ImageSource = favouriteButtonImage;
            recentButtonImageBrush.ImageSource    = recentRecipeButtonImage;
            //Switch content
            CookbookPersonalPage cookbookpersonalpage = new CookbookPersonalPage(GlobalData.Instance.modRecipeList);

            cookMain.Content = cookbookpersonalpage;
        }
        //private CookbookFavouritePage cookbookfavouritePage = new CookbookFavouritePage();
        //private CookbookRecentPage cookbookRecentPage = new CookbookRecentPage();
        //private CookbookPersonalPage cookbookPersonalPage = new CookbookPersonalPage();
        //private CookbookFavouritePage cookbookfavouritePage = new CookbookFavouritePage(GlobalData.Instance.recipeList);
        //private CookbookRecentPage cookbookRecentPage = new CookbookRecentPage(GlobalData.Instance.recentList);
        //private CookbookPersonalPage cookbookPersonalPage = new CookbookPersonalPage(GlobalData.Instance.modRecipeList);

        public CookbookPage1()
        {
            InitializeComponent();

            if (GlobalData.Instance.goBackToPersonal)
            {
                //Selected
                personaleButtonImageBrush.ImageSource = personalButtonDarkImage;
                //Unselected
                FavouriteButtonImageBrush.ImageSource = favouriteButtonImage;
                recentButtonImageBrush.ImageSource    = recentRecipeButtonImage;

                CookbookPersonalPage startup = new CookbookPersonalPage(GlobalData.Instance.modRecipeList);
                cookMain.Content = startup; // start cookbook at favourite page all the time
                GlobalData.Instance.goBackToPersonal = false;
            }
            else
            {
                CookbookFavouritePage startup = new CookbookFavouritePage(GlobalData.Instance.faveList);
                cookMain.Content = startup; // start cookbook at favourite page all the time
            }
        }