Javascript flexslider和jquery工具覆盖-访问滑块对象

我用的是内部的

我想在显示和隐藏覆盖时访问滑块

var slideToJumpTo  = 5; //this changes
var modals = ({
init: function(){
    $("div[rel]").overlay({         
        onBeforeLoad: function() {
                    //I want to be able to access the flexslider here.
                    //So I can do something like $('slider').jumpToSlide(slideToJumpTo) - dummy code
        },
        onLoad: function() {        
            $.getScript('/js/libs/jquery.flexslider-min.js', function() {
                if ($('.overlay-carousel').length > 0) {
                    $('.overlay-carousel').flexslider({

                    });
                }
            });             
        },
        onClose:function(){

        }
    });
}
});

如何引用滑块