Magento Mega Menu

Hello freelancers. My project is quite simple for experienced php programmers and magento developoers. I need an horizontal mega menu like the one in the example link: [login to view URL] The mega menu i need to be exactly as the one in the above link with the same style and features. The only difference is that i need to be 2 columns with the 1st column to have to rows: Categories and another Custom Title below the categories wich will have some attributes and the second column wil have Brands as a title like the one in Dicksmith site and will have cms block for content. I really need it asap! Thank you!