// http://spin.js.org/#v2.3.2
! function(a, b) { "object" == typeof module && module.exports ? module.exports = b() : "function" == typeof define && define.amd ? define(b) : a.Spinner = b() }(this, function() {
    "use strict";

    function a(a, b) { var c, d = document.createElement(a || "div"); for (c in b) d[c] = b[c]; return d }

    function b(a) { for (var b = 1, c = arguments.length; c > b; b++) a.appendChild(arguments[b]); return a }

    function c(a, b, c, d) {
        var e = ["opacity", b, ~~(100 * a), c, d].join("-"),
            f = .01 + c / d * 100,
            g = Math.max(1 - (1 - a) / b * (100 - f), a),
            h = j.substring(0, j.indexOf("Animation")).toLowerCase(),
            i = h && "-" + h + "-" || "";
        return m[e] || (k.insertRule("@" + i + "keyframes " + e + "{0%{opacity:" + g + "}" + f + "%{opacity:" + a + "}" + (f + .01) + "%{opacity:1}" + (f + b) % 100 + "%{opacity:" + a + "}100%{opacity:" + g + "}}", k.cssRules.length), m[e] = 1), e
    }

    function d(a, b) {
        var c, d, e = a.style;
        if (b = b.charAt(0).toUpperCase() + b.slice(1), void 0 !== e[b]) return b;
        for (d = 0; d < l.length; d++)
            if (c = l[d] + b, void 0 !== e[c]) return c
    }

    function e(a, b) { for (var c in b) a.style[d(a, c) || c] = b[c]; return a }

    function f(a) { for (var b = 1; b < arguments.length; b++) { var c = arguments[b]; for (var d in c) void 0 === a[d] && (a[d] = c[d]) } return a }

    function g(a, b) { return "string" == typeof a ? a : a[b % a.length] }

    function h(a) { this.opts = f(a || {}, h.defaults, n) }

    function i() {
        function c(b, c) { return a("<" + b + ' xmlns="urn:schemas-microsoft.com:vml" class="spin-vml">', c) }
        k.addRule(".spin-vml", "behavior:url(#default#VML)"), h.prototype.lines = function(a, d) {
            function f() { return e(c("group", { coordsize: k + " " + k, coordorigin: -j + " " + -j }), { width: k, height: k }) }

            function h(a, h, i) { b(m, b(e(f(), { rotation: 360 / d.lines * a + "deg", left: ~~h }), b(e(c("roundrect", { arcsize: d.corners }), { width: j, height: d.scale * d.width, left: d.scale * d.radius, top: -d.scale * d.width >> 1, filter: i }), c("fill", { color: g(d.color, a), opacity: d.opacity }), c("stroke", { opacity: 0 })))) }
            var i, j = d.scale * (d.length + d.width),
                k = 2 * d.scale * j,
                l = -(d.width + d.length) * d.scale * 2 + "px",
                m = e(f(), { position: "absolute", top: l, left: l });
            if (d.shadow)
                for (i = 1; i <= d.lines; i++) h(i, -2, "progid:DXImageTransform.Microsoft.Blur(pixelradius=2,makeshadow=1,shadowopacity=.3)");
            for (i = 1; i <= d.lines; i++) h(i);
            return b(a, m)
        }, h.prototype.opacity = function(a, b, c, d) {
            var e = a.firstChild;
            d = d.shadow && d.lines || 0, e && b + d < e.childNodes.length && (e = e.childNodes[b + d], e = e && e.firstChild, e = e && e.firstChild, e && (e.opacity = c))
        }
    }
    var j, k, l = ["webkit", "Moz", "ms", "O"],
        m = {},
        n = { lines: 12, length: 7, width: 5, radius: 10, scale: 1, corners: 1, color: "#000", opacity: .25, rotate: 0, direction: 1, speed: 1, trail: 100, fps: 20, zIndex: 2e9, className: "spinner", top: "50%", left: "50%", shadow: !1, hwaccel: !1, position: "absolute" };
    if (h.defaults = {}, f(h.prototype, {
            spin: function(b) {
                this.stop();
                var c = this,
                    d = c.opts,
                    f = c.el = a(null, { className: d.className });
                if (e(f, { position: d.position, width: 0, zIndex: d.zIndex, left: d.left, top: d.top }), b && b.insertBefore(f, b.firstChild || null), f.setAttribute("role", "progressbar"), c.lines(f, c.opts), !j) {
                    var g, h = 0,
                        i = (d.lines - 1) * (1 - d.direction) / 2,
                        k = d.fps,
                        l = k / d.speed,
                        m = (1 - d.opacity) / (l * d.trail / 100),
                        n = l / d.lines;
                    ! function o() {
                        h++;
                        for (var a = 0; a < d.lines; a++) g = Math.max(1 - (h + (d.lines - a) * n) % l * m, d.opacity), c.opacity(f, a * d.direction + i, g, d);
                        c.timeout = c.el && setTimeout(o, ~~(1e3 / k))
                    }()
                }
                return c
            },
            stop: function() { var a = this.el; return a && (clearTimeout(this.timeout), a.parentNode && a.parentNode.removeChild(a), this.el = void 0), this },
            lines: function(d, f) {
                function h(b, c) { return e(a(), { position: "absolute", width: f.scale * (f.length + f.width) + "px", height: f.scale * f.width + "px", background: b, boxShadow: c, transformOrigin: "left", transform: "rotate(" + ~~(360 / f.lines * k + f.rotate) + "deg) translate(" + f.scale * f.radius + "px,0)", borderRadius: (f.corners * f.scale * f.width >> 1) + "px" }) }
                for (var i, k = 0, l = (f.lines - 1) * (1 - f.direction) / 2; k < f.lines; k++) i = e(a(), { position: "absolute", top: 1 + ~(f.scale * f.width / 2) + "px", transform: f.hwaccel ? "translate3d(0,0,0)" : "", opacity: f.opacity, animation: j && c(f.opacity, f.trail, l + k * f.direction, f.lines) + " " + 1 / f.speed + "s linear infinite" }), f.shadow && b(i, e(h("#000", "0 0 4px #000"), { top: "2px" })), b(d, b(i, h(g(f.color, k), "0 0 1px rgba(0,0,0,.1)")));
                return d
            },
            opacity: function(a, b, c) { b < a.childNodes.length && (a.childNodes[b].style.opacity = c) }
        }), "undefined" != typeof document) { k = function() { var c = a("style", { type: "text/css" }); return b(document.getElementsByTagName("head")[0], c), c.sheet || c.styleSheet }(); var o = e(a("group"), { behavior: "url(#default#VML)" });!d(o, "transform") && o.adj ? i() : j = d(o, "animation") }
    return h
});