!function(o) {
    "use strict";
    o(document).ready(function() {
        var r = document.querySelector(".rbt-progress-parent path")
          , n = r.getTotalLength();
        r.style.transition = r.style.WebkitTransition = "none",
        r.style.strokeDasharray = n + " " + n,
        r.style.strokeDashoffset = n,
        r.getBoundingClientRect(),
        r.style.transition = r.style.WebkitTransition = "stroke-dashoffset 10ms linear";
        function t() {
            var t = o(window).scrollTop()
              , e = o(document).height() - o(window).height();
            r.style.strokeDashoffset = n - t * n / e
        }
        t(),
        o(window).scroll(t);
        jQuery(window).on("scroll", function() {
            50 < jQuery(this).scrollTop() ? jQuery(".rbt-progress-parent").addClass("rbt-backto-top-active") : jQuery(".rbt-progress-parent").removeClass("rbt-backto-top-active")
        }),
        jQuery(".rbt-progress-parent").on("click", function(t) {
            return t.preventDefault(),
            jQuery("html, body").animate({
                scrollTop: 0
            }, 550),
            !1
        })
    })
}(jQuery);