//fgnass.github.com/spin.js#v1.2.2
(function(a, b, c) {
	function n(a) {
		var b = {
			x: a.offsetLeft,
			y: a.offsetTop
		};
		while (a = a.offsetParent) b.x += a.offsetLeft, b.y += a.offsetTop;
		return b
	}
	function m(a) {
		for (var b = 1; b < arguments.length; b++) {
			var d = arguments[b];
			for (var e in d) a[e] === c && (a[e] = d[e])
		}
		return a
	}
	function l(a, b) {
		for (var c in b) a.style[k(a, c) || c] = b[c];
		return a
	}
	function k(a, b) {
		var e = a.style,
			f, g;
		if (e[b] !== c) return b;
		b = b.charAt(0).toUpperCase() + b.slice(1);
		for (g = 0; g < d.length; g++) {
			f = d[g] + b;
			if (e[f] !== c) return f
		}
	}
	function j(a, b, c, d) {
		var g = ["opacity", b, ~~ (a * 100), c, d].join("-"),
			h = .01 + c / d * 100,
			j = Math.max(1 - (1 - a) / b * (100 - h), a),
			k = f.substring(0, f.indexOf("Animation")).toLowerCase(),
			l = k && "-" + k + "-" || "";
		e[g] || (i.insertRule("@" + l + "keyframes " + g + "{" + "0%{opacity:" + j + "}" + h + "%{opacity:" + a + "}" + (h + .01) + "%{opacity:1}" + (h + b) % 100 + "%{opacity:" + a + "}" + "100%{opacity:" + j + "}" + "}", 0), e[g] = 1);
		return g
	}
	function h(a, b, c) {
		c && !c.parentNode && h(a, c), a.insertBefore(b, c || null);
		return a
	}
	function g(a, c) {
		var d = b.createElement(a || "div"),
			e;
		for (e in c) d[e] = c[e];
		return d
	}
	var d = ["webkit", "Moz", "ms", "O"],
		e = {},
		f, i = function() {
			var a = g("style");
			h(b.getElementsByTagName("head")[0], a);
			return a.sheet || a.styleSheet
		}(),
		o = function r(a) {
			if (!this.spin) return new r(a);
			this.opts = m(a || {}, r.defaults, p)
		},
		p = o.defaults = {
			lines: 12,
			length: 7,
			width: 5,
			radius: 10,
			color: "#000",
			speed: 1,
			trail: 100,
			opacity: .25,
			fps: 20
		},
		q = o.prototype = {
			spin: function(a) {
				this.stop();
				var b = this,
					c = b.el = l(g(), {
						position: "relative"
					}),
					d, e;
				a && (e = n(h(a, c, a.firstChild)), d = n(c), l(c, {
					left: (a.offsetWidth >> 1) - d.x + e.x + "px",
					top: (a.offsetHeight >> 1) - d.y + e.y + "px"
				})), c.setAttribute("aria-role", "progressbar"), b.lines(c, b.opts);
				if (!f) {
					var i = b.opts,
						j = 0,
						k = i.fps,
						m = k / i.speed,
						o = (1 - i.opacity) / (m * i.trail / 100),
						p = m / i.lines;
					(function q() {
						j++;
						for (var a = i.lines; a; a--) {
							var d = Math.max(1 - (j + a * p) % m * o, i.opacity);
							b.opacity(c, i.lines - a, d, i)
						}
						b.timeout = b.el && setTimeout(q, ~~ (1e3 / k))
					})()
				}
				return b
			},
			stop: function() {
				var a = this.el;
				a && (clearTimeout(this.timeout), a.parentNode && a.parentNode.removeChild(a), this.el = c);
				return this
			}
		};
	q.lines = function(a, b) {
		function e(a, d) {
			return l(g(), {
				position: "absolute",
				width: b.length + b.width + "px",
				height: b.width + "px",
				background: a,
				boxShadow: d,
				transformOrigin: "left",
				transform: "rotate(" + ~~ (360 / b.lines * c) + "deg) translate(" + b.radius + "px" + ",0)",
				borderRadius: (b.width >> 1) + "px"
			})
		}
		var c = 0,
			d;
		for (; c < b.lines; c++) d = l(g(), {
			position: "absolute",
			top: 1 + ~ (b.width / 2) + "px",
			transform: "translate3d(0,0,0)",
			opacity: b.opacity,
			animation: f && j(b.opacity, b.trail, c, b.lines) + " " + 1 / b.speed + "s linear infinite"
		}), b.shadow && h(d, l(e("#000", "0 0 4px #000"), {
			top: "2px"
		})), h(a, h(d, e(b.color, "0 0 1px rgba(0,0,0,.1)")));
		return a
	}, q.opacity = function(a, b, c) {
		b < a.childNodes.length && (a.childNodes[b].style.opacity = c)
	}, function() {
		var a = l(g("group"), {
			behavior: "url(#default#VML)"
		}),
			b;
		if (!k(a, "transform") && a.adj) {
			for (b = 4; b--;) i.addRule(["group", "roundrect", "fill", "stroke"][b], "behavior:url(#default#VML)");
			q.lines = function(a, b) {
				function k(a, d, i) {
					h(f, h(l(e(), {
						rotation: 360 / b.lines * a + "deg",
						left: ~~d
					}), h(l(g("roundrect", {
						arcsize: 1
					}), {
						width: c,
						height: b.width,
						left: b.radius,
						top: -b.width >> 1,
						filter: i
					}), g("fill", {
						color: b.color,
						opacity: b.opacity
					}), g("stroke", {
						opacity: 0
					}))))
				}
				function e() {
					return l(g("group", {
						coordsize: d + " " + d,
						coordorigin: -c + " " + -c
					}), {
						width: d,
						height: d
					})
				}
				var c = b.length + b.width,
					d = 2 * c,
					f = e(),
					i = ~ (b.length + b.radius + b.width) + "px",
					j;
				if (b.shadow) for (j = 1; j <= b.lines; j++) k(j, -2, "progid:DXImageTransform.Microsoft.Blur(pixelradius=2,makeshadow=1,shadowopacity=.3)");
				for (j = 1; j <= b.lines; j++) k(j);
				return h(l(a, {
					margin: i + " 0 0 " + i,
					zoom: 1
				}), f)
			}, q.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))
			}
		} else f = k(a, "animation")
	}(), a.Spinner = o
})(window, document);