// SmoothScroll v0.9.9// Licensed under the terms of the MIT license.// People involved// - Balazs Galambosi: maintainer (CHANGELOG.txt)// - Patrick Brunner (patrickb1991@gmail.com)// - Michael Herf: ssc_pulse Algorithm
function ssc_init() {  if (!document.body) return;  var e = document.body;  var t = document.documentElement;  var n = window.innerHeight;  var r = e.scrollHeight;  ssc_root = document.compatMode.indexOf("CSS") >= 0 ? t : e;  ssc_activeElement = e;  ssc_initdone = true;  if (top != self) {    ssc_frame = true  } else if (r > n && (e.offsetHeight <= n || t.offsetHeight <= n)) {    ssc_root.style.height = "auto";    if (ssc_root.offsetHeight <= n) {      var i = document.createElement("div");      i.style.clear = "both";      e.appendChild(i)    }  }  if (!ssc_fixedback) {    e.style.backgroundAttachment = "scroll";    t.style.backgroundAttachment = "scroll"  }  if (ssc_keyboardsupport) {    ssc_addEvent("keydown", ssc_keydown)  }}
function ssc_scrollArray(e, t, n, r) {  r || (r = 1e3);  ssc_directionCheck(t, n);  ssc_que.push({    x: t,    y: n,    lastX: t < 0 ? .99 : -.99,    lastY: n < 0 ? .99 : -.99,    start: +(new Date)  });  if (ssc_pending) {    return  }  var i = function() {    var s = +(new Date);    var o = 0;    var u = 0;    for (var a = 0; a < ssc_que.length; a++) {      var f = ssc_que[a];      var l = s - f.start;      var c = l >= ssc_animtime;      var h = c ? 1 : l / ssc_animtime;      if (ssc_pulseAlgorithm) {        h = ssc_pulse(h)      }      var p = f.x * h - f.lastX >> 0;      var d = f.y * h - f.lastY >> 0;      o += p;      u += d;      f.lastX += p;      f.lastY += d;      if (c) {        ssc_que.splice(a, 1);        a--      }    }    if (t) {      var v = e.scrollLeft;      e.scrollLeft += o;      if (o && e.scrollLeft === v) {        t = 0      }    }    if (n) {      var m = e.scrollTop;      e.scrollTop += u;      if (u && e.scrollTop === m) {        n = 0      }    }    if (!t && !n) {      ssc_que = []    }    if (ssc_que.length) {      setTimeout(i, r / ssc_framerate + 1)    } else {      ssc_pending = false    }  };  setTimeout(i, 0);  ssc_pending = true}
function ssc_wheel(e) {  if (!ssc_initdone) {    ssc_init()  }  var t = e.target;  var n = ssc_overflowingAncestor(t);  if (!n || e.defaultPrevented || ssc_isNodeName(ssc_activeElement, "embed") || ssc_isNodeName(t, "embed") && /\.pdf/i.test(t.src)) {    return true  }  var r = e.wheelDeltaX || 0;  var i = e.wheelDeltaY || 0;  if (!r && !i) {    i = e.wheelDelta || 0  }  if (Math.abs(r) > 1.2) {    r *= ssc_stepsize / 120  }  if (Math.abs(i) > 1.2) {    i *= ssc_stepsize / 120  }  ssc_scrollArray(n, -r, -i);  e.preventDefault()}
function ssc_keydown(e) {  var t = e.target;  var n = e.ctrlKey || e.altKey || e.metaKey;  if (/input|textarea|embed/i.test(t.nodeName) || t.isContentEditable || e.defaultPrevented || n) {    return true  }  if (ssc_isNodeName(t, "button") && e.keyCode === ssc_key.spacebar) {    return true  }  var r, i = 0,      s = 0;  var o = ssc_overflowingAncestor(ssc_activeElement);  var u = o.clientHeight;  if (o == document.body) {    u = window.innerHeight  }  switch (e.keyCode) {  case ssc_key.up:    s = -ssc_arrowscroll;    break;  case ssc_key.down:    s = ssc_arrowscroll;    break;  case ssc_key.spacebar:    r = e.shiftKey ? 1 : -1;    s = -r * u * .9;    break;  case ssc_key.pageup:    s = -u * .9;    break;  case ssc_key.pagedown:    s = u * .9;    break;  case ssc_key.home:    s = -o.scrollTop;    break;  case ssc_key.end:    var a = o.scrollHeight - o.scrollTop - u;    s = a > 0 ? a + 10 : 0;    break;  case ssc_key.left:    i = -ssc_arrowscroll;    break;  case ssc_key.right:    i = ssc_arrowscroll;    break;  default:    return true  }  ssc_scrollArray(o, i, s);  e.preventDefault()}
function ssc_mousedown(e) {  ssc_activeElement = e.target}
function ssc_setCache(e, t) {  for (var n = e.length; n--;) ssc_cache[ssc_uniqueID(e[n])] = t;  return t}
function ssc_overflowingAncestor(e) {  var t = [];  var n = ssc_root.scrollHeight;  do {    var r = ssc_cache[ssc_uniqueID(e)];    if (r) {      return ssc_setCache(t, r)    }    t.push(e);    if (n === e.scrollHeight) {      if (!ssc_frame || ssc_root.clientHeight + 10 < n) {        return ssc_setCache(t, document.body)      }    } else if (e.clientHeight + 10 < e.scrollHeight) {      overflow = getComputedStyle(e, "").getPropertyValue("overflow");      if (overflow === "scroll" || overflow === "auto") {        return ssc_setCache(t, e)      }    }  } while (e = e.parentNode)}
function ssc_addEvent(e, t, n) {  window.addEventListener(e, t, n || false)}
function ssc_removeEvent(e, t, n) {  window.removeEventListener(e, t, n || false)}
function ssc_isNodeName(e, t) {  return e.nodeName.toLowerCase() === t.toLowerCase()}
function ssc_directionCheck(e, t) {  e = e > 0 ? 1 : -1;  t = t > 0 ? 1 : -1;  if (ssc_direction.x !== e || ssc_direction.y !== t) {    ssc_direction.x = e;    ssc_direction.y = t;    ssc_que = []  }}
function ssc_pulse_(e) {  var t, n, r;  e = e * ssc_pulseScale;  if (e < 1) {    t = e - (1 - Math.exp(-e))  } else {    n = Math.exp(-1);    e -= 1;    r = 1 - Math.exp(-e);    t = n + r * (1 - n)  }  return t * ssc_pulseNormalize}
function ssc_pulse(e) {  if (e >= 1) return 1;  if (e <= 0) return 0;  if (ssc_pulseNormalize == 1) {    ssc_pulseNormalize /= ssc_pulse_(1)  }  return ssc_pulse_(e)}
var ssc_framerate = 150;var ssc_animtime = 500;var ssc_stepsize = 150;var ssc_pulseAlgorithm = true;var ssc_pulseScale = 6;var ssc_pulseNormalize = 1;var ssc_keyboardsupport = true;var ssc_arrowscroll = 50;var ssc_frame = false;var ssc_direction = {  x: 0,  y: 0};
var ssc_initdone = false;var ssc_fixedback = true;var ssc_root = document.documentElement;var ssc_activeElement;var ssc_key = {  left: 37,  up: 38,  right: 39,  down: 40,  spacebar: 32,  pageup: 33,  pagedown: 34,  end: 35,  home: 36};
var ssc_que = [];var ssc_pending = false;var ssc_cache = {};
setInterval(function() {  ssc_cache = {}}, 10 * 1e3);
var ssc_uniqueID = function() {  var e = 0;  return function(t) {    return t.ssc_uniqueID || (t.ssc_uniqueID = e++)  }}();
var ischrome = /chrome/.test(navigator.userAgent.toLowerCase());
if (ischrome) {  ssc_addEvent("mousedown", ssc_mousedown);  ssc_addEvent("mousewheel", ssc_wheel);  ssc_addEvent("load", ssc_init)}