NEW YORK (Reuters) - Walt Disney Co has reached a deal to become a partner in the popular video website Hulu founded by NBC Universal and News Corp.

Hulu Chief Executive Jason Kilar is trying to also work out a deal with CBS so that all major Network, Media Corporations will have a stake and provide content.

The addition of Disney means that the owners of three of the four major broadcast networks -- ABC, NBC and Fox -- have partnership stakes in Hulu. Only CBS Corp's CBS is absent from the arrangement.

CBS continues to be uncomfortable with the Hulu concept and business model.

Disney, which will gain three seats on the Hulu board, has previously sought to expand viewership of ad-supported ABC shows offered on ABC.com and websites of its local TV affiliates, on AOL.com, and on Comcast Corp's Fancast site.

Big cable network owners are working on plans to move more of their shows online but are trying to devise strategies that do not undermine the lucrative cable-network-affiliate-fee business model. They only want online access to their paid subscribers. And of course somce cable companies that controls some online ramps to the internet are the same companies who want to throttle bandwidth use and reduce access to some sites who use a great deal of bandwidth.