Group items tagged

I want to add the attributes in the category listing. When a user click on a category, it displays a list of all products in this category with a link to ?Add to Cart?, I want to add above this the product attributes to allow user to select the option he wants and add it directly to the cart without taking him to an additional page to select options.

TokBox - http://www.tokbox.com is a free service that lets you talk with your friends over live video. People with hi speed internet connections and webcams can conduct face-to-face chats inside a web browser by simply adding a TokBox module to their pages on social websites such as myspace.