508650 php script modifaction

Need a new function to a php script Its :[login to view URL] I need that from admin side can add sub-subcategory Now just subcategory is possible ,But i need subsub-category. Description:All subsub-category names will be list with pagination ,when user click on a category that contain subsub-categories Every subsub-category should has thumbnail like another [login to view URL] visitor clikc on subsub-category name,then all video on subsub-category will be list another videos style. I attached the script here. [login to view URL]