!(function (a, b, c) {
"use strict";
function d(c) {
if (
((e = b.documentElement),
(f = b.body),
T(),
(ha = this),
(c = c || {}),
(ma = c.constants || {}),
c.easing)
)
for (var d in c.easing) W[d] = c.easing[d];
(ta = c.edgeStrategy || "set"),
(ka = {
beforerender: c.beforerender,
render: c.render,
keyframe: c.keyframe
}),
(la = c.forceHeight !== !1),
la && (Ka = c.scale || 1),
(na = c.mobileDeceleration || y),
(pa = c.smoothScrolling !== !1),
(qa = c.smoothScrollingDuration || A),
(ra = { targetTop: ha.getScrollTop() }),
(Sa = (
c.mobileCheck ||
function () {
return /Android|iPhone|iPad|iPod|BlackBerry/i.test(
navigator.userAgent || navigator.vendor || a.opera
);
}
)()),
Sa
? ((ja = b.getElementById(c.skrollrBody || z)),
ja && ga(),
X(),
Ea(e, [s, v], [t]))
: Ea(e, [s, u], [t]),
ha.refresh(),
wa(a, "resize orientationchange", function () {
var a = e.clientWidth,
b = e.clientHeight;
(b !== Pa || a !== Oa) && ((Pa = b), (Oa = a), (Qa = !0));
});
var g = U();
return (
(function h() {
$(), (va = g(h));
})(),
ha
);
}
var e,
f,
g = {
get: function () {
return ha;
},
init: function (a) {
return ha || new d(a);
},
VERSION: "0.6.30"
},
h = Object.prototype.hasOwnProperty,
i = a.Math,
j = a.getComputedStyle,
k = "touchstart",
l = "touchmove",
m = "touchcancel",
n = "touchend",
o = "skrollable",
p = o + "-before",
q = o + "-between",
r = o + "-after",
s = "skrollr",
t = "no-" + s,
u = s + "-desktop",
v = s + "-mobile",
w = "linear",
x = 1e3,
y = 0.004,
z = "skrollr-body",
A = 200,
B = "start",
C = "end",
D = "center",
E = "bottom",
F = "___skrollable_id",
G = /^(?:input|textarea|button|select)$/i,
H = /^\s+|\s+$/g,
I = /^data(?:-(_\w+))?(?:-?(-?\d*\.?\d+p?))?(?:-?(start|end|top|center|bottom))?(?:-?(top|center|bottom))?$/,
J = /\s*(@?[\w\-\[\]]+)\s*:\s*(.+?)\s*(?:;|$)/gi,
K = /^(@?[a-z\-]+)\[(\w+)\]$/,
L = /-([a-z0-9_])/g,
M = function (a, b) {
return b.toUpperCase();
},
N = /[\-+]?[\d]*\.?[\d]+/g,
O = /\{\?\}/g,
P = /rgba?\(\s*-?\d+\s*,\s*-?\d+\s*,\s*-?\d+/g,
Q = /[a-z\-]+-gradient/g,
R = "",
S = "",
T = function () {
var a = /^(?:O|Moz|webkit|ms)|(?:-(?:o|moz|webkit|ms)-)/;
if (j) {
var b = j(f, null);
for (var c in b)
if ((R = c.match(a) || (+c == c && b[c].match(a)))) break;
if (!R) return void (R = S = "");
(R = R[0]),
"-" === R.slice(0, 1)
? ((S = R),
(R = {
"-webkit-": "webkit",
"-moz-": "Moz",
"-ms-": "ms",
"-o-": "O"
}[R]))
: (S = "-" + R.toLowerCase() + "-");
}
},
U = function () {
var b =
a.requestAnimationFrame ||
a[R.toLowerCase() + "RequestAnimationFrame"],
c = Ha();
return (
(Sa || !b) &&
(b = function (b) {
var d = Ha() - c,
e = i.max(0, 1e3 / 60 - d);
return a.setTimeout(function () {
(c = Ha()), b();
}, e);
}),
b
);
},
V = function () {
var b =
a.cancelAnimationFrame || a[R.toLowerCase() + "CancelAnimationFrame"];
return (
(Sa || !b) &&
(b = function (b) {
return a.clearTimeout(b);
}),
b
);
},
W = {
begin: function () {
return 0;
},
end: function () {
return 1;
},
linear: function (a) {
return a;
},
quadratic: function (a) {
return a * a;
},
cubic: function (a) {
return a * a * a;
},
swing: function (a) {
return -i.cos(a * i.PI) / 2 + 0.5;
},
sqrt: function (a) {
return i.sqrt(a);
},
outCubic: function (a) {
return i.pow(a - 1, 3) + 1;
},
bounce: function (a) {
var b;
if (0.5083 >= a) b = 3;
else if (0.8489 >= a) b = 9;
else if (0.96208 >= a) b = 27;
else {
if (!(0.99981 >= a)) return 1;
b = 91;
}
return 1 - i.abs((3 * i.cos(a * b * 1.028)) / b);
}
};
(d.prototype.refresh = function (a) {
var d,
e,
f = !1;
for (
a === c
? ((f = !0), (ia = []), (Ra = 0), (a = b.getElementsByTagName("*")))
: a.length === c && (a = [a]),
d = 0,
e = a.length;
e > d;
d++
) {
var g = a[d],
h = g,
i = [],
j = pa,
k = ta,
l = !1;
if ((f && F in g && delete g[F], g.attributes)) {
for (var m = 0, n = g.attributes.length; n > m; m++) {
var p = g.attributes[m];
if ("data-anchor-target" !== p.name)
if ("data-smooth-scrolling" !== p.name)
if ("data-edge-strategy" !== p.name)
if ("data-emit-events" !== p.name) {
var q = p.name.match(I);
if (null !== q) {
var r = {
props: p.value,
element: g,
eventType: p.name.replace(L, M)
};
i.push(r);
var s = q[1];
s && (r.constant = s.substr(1));
var t = q[2];
/p$/.test(t)
? ((r.isPercentage = !0),
(r.offset = (0 | t.slice(0, -1)) / 100))
: (r.offset = 0 | t);
var u = q[3],
v = q[4] || u;
u && u !== B && u !== C
? ((r.mode = "relative"), (r.anchors = [u, v]))
: ((r.mode = "absolute"),
u === C
? (r.isEnd = !0)
: r.isPercentage || (r.offset = r.offset * Ka));
}
} else l = !0;
else k = p.value;
else j = "off" !== p.value;
else if (((h = b.querySelector(p.value)), null === h))
throw 'Unable to find anchor target "' + p.value + '"';
}
if (i.length) {
var w, x, y;
!f && F in g
? ((y = g[F]), (w = ia[y].styleAttr), (x = ia[y].classAttr))
: ((y = g[F] = Ra++), (w = g.style.cssText), (x = Da(g))),
(ia[y] = {
element: g,
styleAttr: w,
classAttr: x,
anchorTarget: h,
keyFrames: i,
smoothScrolling: j,
edgeStrategy: k,
emitEvents: l,
lastFrameIndex: -1
}),
Ea(g, [o], []);
}
}
}
for (Aa(), d = 0, e = a.length; e > d; d++) {
var z = ia[a[d][F]];
z !== c && (_(z), ba(z));
}
return ha;
}),
(d.prototype.relativeToAbsolute = function (a, b, c) {
var d = e.clientHeight,
f = a.getBoundingClientRect(),
g = f.top,
h = f.bottom - f.top;
return (
b === E ? (g -= d) : b === D && (g -= d / 2),
c === E ? (g += h) : c === D && (g += h / 2),
(g += ha.getScrollTop()),
(g + 0.5) | 0
);
}),
(d.prototype.animateTo = function (a, b) {
b = b || {};
var d = Ha(),
e = ha.getScrollTop(),
f = b.duration === c ? x : b.duration;
return (
(oa = {
startTop: e,
topDiff: a - e,
targetTop: a,
duration: f,
startTime: d,
endTime: d + f,
easing: W[b.easing || w],
done: b.done
}),
oa.topDiff || (oa.done && oa.done.call(ha, !1), (oa = c)),
ha
);
}),
(d.prototype.stopAnimateTo = function () {
oa && oa.done && oa.done.call(ha, !0), (oa = c);
}),
(d.prototype.isAnimatingTo = function () {
return !!oa;
}),
(d.prototype.isMobile = function () {
return Sa;
}),
(d.prototype.setScrollTop = function (b, c) {
return (
(sa = c === !0),
Sa ? (Ta = i.min(i.max(b, 0), Ja)) : a.scrollTo(0, b),
ha
);
}),
(d.prototype.getScrollTop = function () {
return Sa ? Ta : a.pageYOffset || e.scrollTop || f.scrollTop || 0;
}),
(d.prototype.getMaxScrollTop = function () {
return Ja;
}),
(d.prototype.on = function (a, b) {
return (ka[a] = b), ha;
}),
(d.prototype.off = function (a) {
return delete ka[a], ha;
}),
(d.prototype.destroy = function () {
var a = V();
a(va), ya(), Ea(e, [t], [s, u, v]);
for (var b = 0, d = ia.length; d > b; b++) fa(ia[b].element);
(e.style.overflow = f.style.overflow = ""),
(e.style.height = f.style.height = ""),
ja && g.setStyle(ja, "transform", "none"),
(ha = c),
(ja = c),
(ka = c),
(la = c),
(Ja = 0),
(Ka = 1),
(ma = c),
(na = c),
(La = "down"),
(Ma = -1),
(Oa = 0),
(Pa = 0),
(Qa = !1),
(oa = c),
(pa = c),
(qa = c),
(ra = c),
(sa = c),
(Ra = 0),
(ta = c),
(Sa = !1),
(Ta = 0),
(ua = c);
});
var X = function () {
var d, g, h, j, o, p, q, r, s, t, u, v;
wa(e, [k, l, m, n].join(" "), function (a) {
var e = a.changedTouches[0];
for (j = a.target; 3 === j.nodeType; ) j = j.parentNode;
switch (
((o = e.clientY),
(p = e.clientX),
(t = a.timeStamp),
G.test(j.tagName) || a.preventDefault(),
a.type)
) {
case k:
d && d.blur(),
ha.stopAnimateTo(),
(d = j),
(g = q = o),
(h = p),
(s = t);
break;
case l:
G.test(j.tagName) && b.activeElement !== j && a.preventDefault(),
(r = o - q),
(v = t - u),
ha.setScrollTop(Ta - r, !0),
(q = o),
(u = t);
break;
default:
case m:
case n:
var f = g - o,
w = h - p,
x = w * w + f * f;
if (49 > x) {
if (!G.test(d.tagName)) {
d.focus();
var y = b.createEvent("MouseEvents");
y.initMouseEvent(
"click",
!0,
!0,
a.view,
1,
e.screenX,
e.screenY,
e.clientX,
e.clientY,
a.ctrlKey,
a.altKey,
a.shiftKey,
a.metaKey,
0,
null
),
d.dispatchEvent(y);
}
return;
}
d = c;
var z = r / v;
z = i.max(i.min(z, 3), -3);
var A = i.abs(z / na),
B = z * A + 0.5 * na * A * A,
C = ha.getScrollTop() - B,
D = 0;
C > Ja
? ((D = (Ja - C) / B), (C = Ja))
: 0 > C && ((D = -C / B), (C = 0)),
(A *= 1 - D),
ha.animateTo((C + 0.5) | 0, { easing: "outCubic", duration: A });
}
}),
a.scrollTo(0, 0),
(e.style.overflow = f.style.overflow = "hidden");
},
Y = function () {
var a,
b,
c,
d,
f,
g,
h,
j,
k,
l,
m,
n = e.clientHeight,
o = Ba();
for (j = 0, k = ia.length; k > j; j++)
for (
a = ia[j],
b = a.element,
c = a.anchorTarget,
d = a.keyFrames,
f = 0,
g = d.length;
g > f;
f++
)
(h = d[f]),
(l = h.offset),
(m = o[h.constant] || 0),
(h.frame = l),
h.isPercentage && ((l *= n), (h.frame = l)),
"relative" === h.mode &&
(fa(b),
(h.frame =
ha.relativeToAbsolute(c, h.anchors[0], h.anchors[1]) - l),
fa(b, !0)),
(h.frame += m),
la && !h.isEnd && h.frame > Ja && (Ja = h.frame);
for (Ja = i.max(Ja, Ca()), j = 0, k = ia.length; k > j; j++) {
for (a = ia[j], d = a.keyFrames, f = 0, g = d.length; g > f; f++)
(h = d[f]),
(m = o[h.constant] || 0),
h.isEnd && (h.frame = Ja - h.offset + m);
a.keyFrames.sort(Ia);
}
},
Z = function (a, b) {
for (var c = 0, d = ia.length; d > c; c++) {
var e,
f,
i = ia[c],
j = i.element,
k = i.smoothScrolling ? a : b,
l = i.keyFrames,
m = l.length,
n = l[0],
s = l[l.length - 1],
t = k < n.frame,
u = k > s.frame,
v = t ? n : s,
w = i.emitEvents,
x = i.lastFrameIndex;
if (t || u) {
if ((t && -1 === i.edge) || (u && 1 === i.edge)) continue;
switch (
(t
? (Ea(j, [p], [r, q]),
w &&
x > -1 &&
(za(j, n.eventType, La), (i.lastFrameIndex = -1)))
: (Ea(j, [r], [p, q]),
w && m > x && (za(j, s.eventType, La), (i.lastFrameIndex = m))),
(i.edge = t ? -1 : 1),
i.edgeStrategy)
) {
case "reset":
fa(j);
continue;
case "ease":
k = v.frame;
break;
default:
case "set":
var y = v.props;
for (e in y)
h.call(y, e) &&
((f = ea(y[e].value)),
0 === e.indexOf("@")
? j.setAttribute(e.substr(1), f)
: g.setStyle(j, e, f));
continue;
}
} else 0 !== i.edge && (Ea(j, [o, q], [p, r]), (i.edge = 0));
for (var z = 0; m - 1 > z; z++)
if (k >= l[z].frame && k <= l[z + 1].frame) {
var A = l[z],
B = l[z + 1];
for (e in A.props)
if (h.call(A.props, e)) {
var C = (k - A.frame) / (B.frame - A.frame);
(C = A.props[e].easing(C)),
(f = da(A.props[e].value, B.props[e].value, C)),
(f = ea(f)),
0 === e.indexOf("@")
? j.setAttribute(e.substr(1), f)
: g.setStyle(j, e, f);
}
w &&
x !== z &&
("down" === La ? za(j, A.eventType, La) : za(j, B.eventType, La),
(i.lastFrameIndex = z));
break;
}
}
},
$ = function () {
Qa && ((Qa = !1), Aa());
var a,
b,
d = ha.getScrollTop(),
e = Ha();
if (oa)
e >= oa.endTime
? ((d = oa.targetTop), (a = oa.done), (oa = c))
: ((b = oa.easing((e - oa.startTime) / oa.duration)),
(d = (oa.startTop + b * oa.topDiff) | 0)),
ha.setScrollTop(d, !0);
else if (!sa) {
var f = ra.targetTop - d;
f &&
(ra = {
startTop: Ma,
topDiff: d - Ma,
targetTop: d,
startTime: Na,
endTime: Na + qa
}),
e <= ra.endTime &&
((b = W.sqrt((e - ra.startTime) / qa)),
(d = (ra.startTop + b * ra.topDiff) | 0));
}
if (sa || Ma !== d) {
(La = d > Ma ? "down" : Ma > d ? "up" : La), (sa = !1);
var h = { curTop: d, lastTop: Ma, maxTop: Ja, direction: La },
i = ka.beforerender && ka.beforerender.call(ha, h);
i !== !1 &&
(Z(d, ha.getScrollTop()),
Sa &&
ja &&
g.setStyle(ja, "transform", "translate(0, " + -Ta + "px) " + ua),
(Ma = d),
ka.render && ka.render.call(ha, h)),
a && a.call(ha, !1);
}
Na = e;
},
_ = function (a) {
for (var b = 0, c = a.keyFrames.length; c > b; b++) {
for (
var d, e, f, g, h = a.keyFrames[b], i = {};
null !== (g = J.exec(h.props));
)
(f = g[1]),
(e = g[2]),
(d = f.match(K)),
null !== d ? ((f = d[1]), (d = d[2])) : (d = w),
(e = e.indexOf("!") ? aa(e) : [e.slice(1)]),
(i[f] = { value: e, easing: W[d] });
h.props = i;
}
},
aa = function (a) {
var b = [];
return (
(P.lastIndex = 0),
(a = a.replace(P, function (a) {
return a.replace(N, function (a) {
return (a / 255) * 100 + "%";
});
})),
S &&
((Q.lastIndex = 0),
(a = a.replace(Q, function (a) {
return S + a;
}))),
(a = a.replace(N, function (a) {
return b.push(+a), "{?}";
})),
b.unshift(a),
b
);
},
ba = function (a) {
var b,
c,
d = {};
for (b = 0, c = a.keyFrames.length; c > b; b++) ca(a.keyFrames[b], d);
for (d = {}, b = a.keyFrames.length - 1; b >= 0; b--)
ca(a.keyFrames[b], d);
},
ca = function (a, b) {
var c;
for (c in b) h.call(a.props, c) || (a.props[c] = b[c]);
for (c in a.props) b[c] = a.props[c];
},
da = function (a, b, c) {
var d,
e = a.length;
if (e !== b.length)
throw "Can't interpolate between \"" + a[0] + '" and "' + b[0] + '"';
var f = [a[0]];
for (d = 1; e > d; d++) f[d] = a[d] + (b[d] - a[d]) * c;
return f;
},
ea = function (a) {
var b = 1;
return (
(O.lastIndex = 0),
a[0].replace(O, function () {
return a[b++];
})
);
},
fa = function (a, b) {
a = [].concat(a);
for (var c, d, e = 0, f = a.length; f > e; e++)
(d = a[e]),
(c = ia[d[F]]),
c &&
(b
? ((d.style.cssText = c.dirtyStyleAttr), Ea(d, c.dirtyClassAttr))
: ((c.dirtyStyleAttr = d.style.cssText),
(c.dirtyClassAttr = Da(d)),
(d.style.cssText = c.styleAttr),
Ea(d, c.classAttr)));
},
ga = function () {
(ua = "translateZ(0)"), g.setStyle(ja, "transform", ua);
var a = j(ja),
b = a.getPropertyValue("transform"),
c = a.getPropertyValue(S + "transform"),
d = (b && "none" !== b) || (c && "none" !== c);
d || (ua = "");
};
g.setStyle = function (a, b, c) {
var d = a.style;
if (((b = b.replace(L, M).replace("-", "")), "zIndex" === b))
isNaN(c) ? (d[b] = c) : (d[b] = "" + (0 | c));
else if ("float" === b) d.styleFloat = d.cssFloat = c;
else
try {
R && (d[R + b.slice(0, 1).toUpperCase() + b.slice(1)] = c), (d[b] = c);
} catch (e) {}
};
var ha,
ia,
ja,
ka,
la,
ma,
na,
oa,
pa,
qa,
ra,
sa,
ta,
ua,
va,
wa = (g.addEvent = function (b, c, d) {
var e = function (b) {
return (
(b = b || a.event),
b.target || (b.target = b.srcElement),
b.preventDefault ||
(b.preventDefault = function () {
(b.returnValue = !1), (b.defaultPrevented = !0);
}),
d.call(this, b)
);
};
c = c.split(" ");
for (var f, g = 0, h = c.length; h > g; g++)
(f = c[g]),
b.addEventListener
? b.addEventListener(f, d, !1)
: b.attachEvent("on" + f, e),
Ua.push({ element: b, name: f, listener: d });
}),
xa = (g.removeEvent = function (a, b, c) {
b = b.split(" ");
for (var d = 0, e = b.length; e > d; d++)
a.removeEventListener
? a.removeEventListener(b[d], c, !1)
: a.detachEvent("on" + b[d], c);
}),
ya = function () {
for (var a, b = 0, c = Ua.length; c > b; b++)
(a = Ua[b]), xa(a.element, a.name, a.listener);
Ua = [];
},
za = function (a, b, c) {
ka.keyframe && ka.keyframe.call(ha, a, b, c);
},
Aa = function () {
var a = ha.getScrollTop();
(Ja = 0),
la && !Sa && (f.style.height = ""),
Y(),
la && !Sa && (f.style.height = Ja + e.clientHeight + "px"),
Sa
? ha.setScrollTop(i.min(ha.getScrollTop(), Ja))
: ha.setScrollTop(a, !0),
(sa = !0);
},
Ba = function () {
var a,
b,
c = e.clientHeight,
d = {};
for (a in ma)
(b = ma[a]),
"function" == typeof b
? (b = b.call(ha))
: /p$/.test(b) && (b = (b.slice(0, -1) / 100) * c),
(d[a] = b);
return d;
},
Ca = function () {
var a,
b = 0;
return (
ja && (b = i.max(ja.offsetHeight, ja.scrollHeight)),
(a = i.max(
b,
f.scrollHeight,
f.offsetHeight,
e.scrollHeight,
e.offsetHeight,
e.clientHeight
)),
a - e.clientHeight
);
},
Da = function (b) {
var c = "className";
return (
a.SVGElement &&
b instanceof a.SVGElement &&
((b = b[c]), (c = "baseVal")),
b[c]
);
},
Ea = function (b, d, e) {
var f = "className";
if (
(a.SVGElement &&
b instanceof a.SVGElement &&
((b = b[f]), (f = "baseVal")),
e === c)
)
return void (b[f] = d);
for (var g = b[f], h = 0, i = e.length; i > h; h++)
g = Ga(g).replace(Ga(e[h]), " ");
g = Fa(g);
for (var j = 0, k = d.length; k > j; j++)
-1 === Ga(g).indexOf(Ga(d[j])) && (g += " " + d[j]);
b[f] = Fa(g);
},
Fa = function (a) {
return a.replace(H, "");
},
Ga = function (a) {
return " " + a + " ";
},
Ha =
Date.now ||
function () {
return +new Date();
},
Ia = function (a, b) {
return a.frame - b.frame;
},
Ja = 0,
Ka = 1,
La = "down",
Ma = -1,
Na = Ha(),
Oa = 0,
Pa = 0,
Qa = !1,
Ra = 0,
Sa = !1,
Ta = 0,
Ua = [];
"function" == typeof define && define.amd
? define([], function () {
return g;
})
: "undefined" != typeof module && module.exports
? (module.exports = g)
: (a.skrollr = g);
})(window, document);
var s = skrollr.init();
!
