function getUsers(companyId) {
    result = null;
        $.ajax({
            type: "POST",
            url: '/users/_get_userlist',
            data: {
                user_company_id : companyId
            },
            async: false,
            dataType: 'json',
            success:
            function(data) {
                result = data;
            },
            error:
            function(jqXHR, textStatus, errorThrown) {
                result = false;
            }
        });
        return result;
}