private static void SetuCommerceContext(NiceUrl_Catalog catalog, NiceUrl_Category category, NiceUrl_Product product)
 {
     if(catalog != null)
         SiteContext.Current.CatalogContext.CurrentCatalog = catalog.GetuCommerceCatalog();
     if(category != null)
     SiteContext.Current.CatalogContext.CurrentCategory = category.GetuCommerceCategory();
     if(product != null)
     SiteContext.Current.CatalogContext.CurrentProduct = product.GetuCommerceProduct();
 }