https://lib.showit.com/js/pinimages.min.js

1function selectPinImage(prepend, append, hidden, within, elements) {
2    if(typeof PinUtils != "undefined") {
3        PinUtils.pinAny()
4    } else {
5        !function (a, b, c) {
6            var d, e, f;
7            d = "PIN_" + ~~((new Date).getTime() / 864e5), a[d] ? a[d] += 1 : (a[d] = 1, a.setTimeout(function () {
8                e = b.getElementsByTagName("SCRIPT")[0], f = b.createElement("SCRIPT"), f.type = "text/javascript", f.async = !0, f.src = c.mainUrl + "?" + Math.random(), f.onload = function() {PinUtils.pinAny()},e.parentNode.insertBefore(f, e)
9            }, 10))
10        }(window, document, {mainUrl: "//assets.pinterest.com/js/pinit_main.js"});
11    }
12};