$(function () {
    $(".tech-nav li").each(function (i) {
        $(this).click(function () {
            $("html, body").stop(false, false).animate({
                scrolltop: ($($(this).attr("posi")).offset().top) + "px"
            }, {
                duration: 400,
                easing: "swing"
            });
        });
    })
})