JS Object Scope

users.prototype = {
    init: function() {
        // OK, we need to replace the table now
        $.getJSON
        (
            '/settings/getclientuserlist/'+$('#changeDgrp :selected').text(),
            function(dataNew)
            {
                // Make this stuff available in the whole object.
                this.data = dataNew;
            }
        )
    },
    populateUsersTable: function() {
        console.log(this.data);
    }
}