$(function () {
    for(k in $('.xf-work-small ul li .workDetail li .jobDetail')){
        var th = $('.xf-work-small ul li .workDetail li .jobDetail').eq(k).find('li').length
        if (th < 10) {
            $('.xf-work-small ul li .workDetail li .jobDetail').eq(k).css({'top': '0px', 'margin-top': '0px'})
        } else if (th > 10) {
            $('.xf-work-small ul li .workDetail li .jobDetail').eq(k).css({'top': '50%', 'margin-top': '-400px'})
        }
    }

})