BuddyPress.org

I have create infinte scroll functionality for members loop and also create different types of member filters by id. but only on member listing page my infinite scroll did work and on other are not. wish to know how can i filter the member ids by bp ajax query string. Currently i have use this for my ajax string
jq.post( ajaxurl, {
action: ‘members_filter’,
object: ‘members’,
cookie: encodeURIComponent(document.cookie),
page: oldest_page
}

please let me know how can i pass ids to this query string?