ASP.NET Mega Menu with high loading speed -- 2

Following are the requirement 1. 3 Level of Category 2. Brand for Second Level of Category 3. Image for Second Level Category For reference : you can use [login to view URL] .(they have 2 level of category and we need 3 level of category) Also Implement the caching so next time this menu is much more fast to load. This menu should load in about 1 Sec .