/*! Stellar.js v0.6.2 | Copyright 2014, Mark Dalgleish | http://markdalgleish.com/projects/stellar.js | http://markdalgleish.mit-license.org */ ! function(a, b, c, d) {
    function e(b, c) {
        this.element = b, this.options = a.extend({}, g, c), this._defaults = g, this._name = f, this.init()
    }
    var f = "stellar",
        g = {
            scrollProperty: "scroll",
            positionProperty: "position",
            horizontalScrolling: !0,
            verticalScrolling: !0,
            horizontalOffset: 0,
            verticalOffset: 0,
            responsive: !1,
            parallaxBackgrounds: !0,
            parallaxElements: !0,
            hideDistantElements: !0,
            hideElement: function(a) {
                a.hide()
            },
            showElement: function(a) {
                a.show()
            }
        },
        h = {
            scroll: {
                getLeft: function(a) {
                    return a.scrollLeft()
                },
                setLeft: function(a, b) {
                    a.scrollLeft(b)
                },
                getTop: function(a) {
                    return a.scrollTop()
                },
                setTop: function(a, b) {
                    a.scrollTop(b)
                }
            },
            position: {
                getLeft: function(a) {
                    return -1 * parseInt(a.css("left"), 10)
                },
                getTop: function(a) {
                    return -1 * parseInt(a.css("top"), 10)
                }
            },
            margin: {
                getLeft: function(a) {
                    return -1 * parseInt(a.css("margin-left"), 10)
                },
                getTop: function(a) {
                    return -1 * parseInt(a.css("margin-top"), 10)
                }
            },
            transform: {
                getLeft: function(a) {
                    var b = getComputedStyle(a[0])[k];
                    return "none" !== b ? -1 * parseInt(b.match(/(-?[0-9]+)/g)[4], 10) : 0
                },
                getTop: function(a) {
                    var b = getComputedStyle(a[0])[k];
                    return "none" !== b ? -1 * parseInt(b.match(/(-?[0-9]+)/g)[5], 10) : 0
                }
            }
        },
        i = {
            position: {
                setLeft: function(a, b) {
                    a.css("left", b)
                },
                setTop: function(a, b) {
                    a.css("top", b)
                }
            },
            transform: {
                setPosition: function(a, b, c, d, e) {
                    a[0].style[k] = "translate3d(" + (b - c) + "px, " + (d - e) + "px, 0)"
                }
            }
        },
        j = function() {
            var b, c = /^(Moz|Webkit|Khtml|O|ms|Icab)(?=[A-Z])/,
                d = a("script")[0].style,
                e = "";
            for (b in d)
                if (c.test(b)) {
                    e = b.match(c)[0];
                    break
                }
            return "WebkitOpacity" in d && (e = "Webkit"), "KhtmlOpacity" in d && (e = "Khtml"),
                function(a) {
                    return e + (e.length > 0 ? a.charAt(0).toUpperCase() + a.slice(1) : a)
                }
        }(),
        k = j("transform"),
        l = a("<div />", {
                style: "background:#fff"
            }).css("background-position-x") !== d,
        m = l ? function(a, b, c) {
            a.css({
                "background-position-x": b,
                "background-position-y": c
            })
        } : function(a, b, c) {
            a.css("background-position", b + " " + c)
        },
        n = l ? function(a) {
            return [a.css("background-position-x"), a.css("background-position-y")]
        } : function(a) {
            return a.css("background-position").split(" ")
        },
        o = b.requestAnimationFrame || b.webkitRequestAnimationFrame || b.mozRequestAnimationFrame || b.oRequestAnimationFrame || b.msRequestAnimationFrame || function(a) {
                setTimeout(a, 1e3 / 60)
            };
    e.prototype = {
        init: function() {
            this.options.name = f + "_" + Math.floor(1e9 * Math.random()), this._defineElements(), this._defineGetters(), this._defineSetters(), this._handleWindowLoadAndResize(), this._detectViewport(), this.refresh({
                firstLoad: !0
            }), "scroll" === this.options.scrollProperty ? this._handleScrollEvent() : this._startAnimationLoop()
        },
        _defineElements: function() {
            this.element === c.body && (this.element = b), this.$scrollElement = a(this.element), this.$element = this.element === b ? a("body") : this.$scrollElement, this.$viewportElement = this.options.viewportElement !== d ? a(this.options.viewportElement) : this.$scrollElement[0] === b || "scroll" === this.options.scrollProperty ? this.$scrollElement : this.$scrollElement.parent()
        },
        _defineGetters: function() {
            var a = this,
                b = h[a.options.scrollProperty];
            this._getScrollLeft = function() {
                return b.getLeft(a.$scrollElement)
            }, this._getScrollTop = function() {
                return b.getTop(a.$scrollElement)
            }
        },
        _defineSetters: function() {
            var b = this,
                c = h[b.options.scrollProperty],
                d = i[b.options.positionProperty],
                e = c.setLeft,
                f = c.setTop;
            this._setScrollLeft = "function" == typeof e ? function(a) {
                e(b.$scrollElement, a)
            } : a.noop, this._setScrollTop = "function" == typeof f ? function(a) {
                f(b.$scrollElement, a)
            } : a.noop, this._setPosition = d.setPosition || function(a, c, e, f, g) {
                    b.options.horizontalScrolling && d.setLeft(a, c, e), b.options.verticalScrolling && d.setTop(a, f, g)
                }
        },
        _handleWindowLoadAndResize: function() {
            var c = this,
                d = a(b);
            c.options.responsive && d.bind("load." + this.name, function() {
                c.refresh()
            }), d.bind("resize." + this.name, function() {
                c._detectViewport(), c.options.responsive && c.refresh()
            })
        },
        refresh: function(c) {
            var d = this,
                e = d._getScrollLeft(),
                f = d._getScrollTop();
            c && c.firstLoad || this._reset(), this._setScrollLeft(0), this._setScrollTop(0), this._setOffsets(), this._findParticles(), this._findBackgrounds(), c && c.firstLoad && /WebKit/.test(navigator.userAgent) && a(b).load(function() {
                var a = d._getScrollLeft(),
                    b = d._getScrollTop();
                d._setScrollLeft(a + 1), d._setScrollTop(b + 1), d._setScrollLeft(a), d._setScrollTop(b)
            }), this._setScrollLeft(e), this._setScrollTop(f)
        },
        _detectViewport: function() {
            var a = this.$viewportElement.offset(),
                b = null !== a && a !== d;
            this.viewportWidth = this.$viewportElement.width(), this.viewportHeight = this.$viewportElement.height(), this.viewportOffsetTop = b ? a.top : 0, this.viewportOffsetLeft = b ? a.left : 0
        },
        _findParticles: function() {
            {
                var b = this;
                this._getScrollLeft(), this._getScrollTop()
            }
            if (this.particles !== d)
                for (var c = this.particles.length - 1; c >= 0; c--) this.particles[c].$element.data("stellar-elementIsActive", d);
            this.particles = [], this.options.parallaxElements && this.$element.find("[data-stellar-ratio]").each(function() {
                var c, e, f, g, h, i, j, k, l, m = a(this),
                    n = 0,
                    o = 0,
                    p = 0,
                    q = 0;
                if (m.data("stellar-elementIsActive")) {
                    if (m.data("stellar-elementIsActive") !== this) return
                } else m.data("stellar-elementIsActive", this);
                b.options.showElement(m), m.data("stellar-startingLeft") ? (m.css("left", m.data("stellar-startingLeft")), m.css("top", m.data("stellar-startingTop"))) : (m.data("stellar-startingLeft", m.css("left")), m.data("stellar-startingTop", m.css("top"))), f = m.position().left, g = m.position().top, h = "auto" === m.css("margin-left") ? 0 : parseInt(m.css("margin-left"), 10), i = "auto" === m.css("margin-top") ? 0 : parseInt(m.css("margin-top"), 10), k = m.offset().left - h, l = m.offset().top - i, m.parents().each(function() {
                    var b = a(this);
                    return b.data("stellar-offset-parent") === !0 ? (n = p, o = q, j = b, !1) : (p += b.position().left, void(q += b.position().top))
                }), c = m.data("stellar-horizontal-offset") !== d ? m.data("stellar-horizontal-offset") : j !== d && j.data("stellar-horizontal-offset") !== d ? j.data("stellar-horizontal-offset") : b.horizontalOffset, e = m.data("stellar-vertical-offset") !== d ? m.data("stellar-vertical-offset") : j !== d && j.data("stellar-vertical-offset") !== d ? j.data("stellar-vertical-offset") : b.verticalOffset, b.particles.push({
                    $element: m,
                    $offsetParent: j,
                    isFixed: "fixed" === m.css("position"),
                    horizontalOffset: c,
                    verticalOffset: e,
                    startingPositionLeft: f,
                    startingPositionTop: g,
                    startingOffsetLeft: k,
                    startingOffsetTop: l,
                    parentOffsetLeft: n,
                    parentOffsetTop: o,
                    stellarRatio: m.data("stellar-ratio") !== d ? m.data("stellar-ratio") : 1,
                    width: m.outerWidth(!0),
                    height: m.outerHeight(!0),
                    isHidden: !1
                })
            })
        },
        _findBackgrounds: function() {
            var b, c = this,
                e = this._getScrollLeft(),
                f = this._getScrollTop();
            this.backgrounds = [], this.options.parallaxBackgrounds && (b = this.$element.find("[data-stellar-background-ratio]"), this.$element.data("stellar-background-ratio") && (b = b.add(this.$element)), b.each(function() {
                var b, g, h, i, j, k, l, o = a(this),
                    p = n(o),
                    q = 0,
                    r = 0,
                    s = 0,
                    t = 0;
                if (o.data("stellar-backgroundIsActive")) {
                    if (o.data("stellar-backgroundIsActive") !== this) return
                } else o.data("stellar-backgroundIsActive", this);
                o.data("stellar-backgroundStartingLeft") ? m(o, o.data("stellar-backgroundStartingLeft"), o.data("stellar-backgroundStartingTop")) : (o.data("stellar-backgroundStartingLeft", p[0]), o.data("stellar-backgroundStartingTop", p[1])), h = "auto" === o.css("margin-left") ? 0 : parseInt(o.css("margin-left"), 10), i = "auto" === o.css("margin-top") ? 0 : parseInt(o.css("margin-top"), 10), j = o.offset().left - h - e, k = o.offset().top - i - f, o.parents().each(function() {
                    var b = a(this);
                    return b.data("stellar-offset-parent") === !0 ? (q = s, r = t, l = b, !1) : (s += b.position().left, void(t += b.position().top))
                }), b = o.data("stellar-horizontal-offset") !== d ? o.data("stellar-horizontal-offset") : l !== d && l.data("stellar-horizontal-offset") !== d ? l.data("stellar-horizontal-offset") : c.horizontalOffset, g = o.data("stellar-vertical-offset") !== d ? o.data("stellar-vertical-offset") : l !== d && l.data("stellar-vertical-offset") !== d ? l.data("stellar-vertical-offset") : c.verticalOffset, c.backgrounds.push({
                    $element: o,
                    $offsetParent: l,
                    isFixed: "fixed" === o.css("background-attachment"),
                    horizontalOffset: b,
                    verticalOffset: g,
                    startingValueLeft: p[0],
                    startingValueTop: p[1],
                    startingBackgroundPositionLeft: isNaN(parseInt(p[0], 10)) ? 0 : parseInt(p[0], 10),
                    startingBackgroundPositionTop: isNaN(parseInt(p[1], 10)) ? 0 : parseInt(p[1], 10),
                    startingPositionLeft: o.position().left,
                    startingPositionTop: o.position().top,
                    startingOffsetLeft: j,
                    startingOffsetTop: k,
                    parentOffsetLeft: q,
                    parentOffsetTop: r,
                    stellarRatio: o.data("stellar-background-ratio") === d ? 1 : o.data("stellar-background-ratio")
                })
            }))
        },
        _reset: function() {
            var a, b, c, d, e;
            for (e = this.particles.length - 1; e >= 0; e--) a = this.particles[e], b = a.$element.data("stellar-startingLeft"), c = a.$element.data("stellar-startingTop"), this._setPosition(a.$element, b, b, c, c), this.options.showElement(a.$element), a.$element.data("stellar-startingLeft", null).data("stellar-elementIsActive", null).data("stellar-backgroundIsActive", null);
            for (e = this.backgrounds.length - 1; e >= 0; e--) d = this.backgrounds[e], d.$element.data("stellar-backgroundStartingLeft", null).data("stellar-backgroundStartingTop", null), m(d.$element, d.startingValueLeft, d.startingValueTop)
        },
        destroy: function() {
            this._reset(), this.$scrollElement.unbind("resize." + this.name).unbind("scroll." + this.name), this._animationLoop = a.noop, a(b).unbind("load." + this.name).unbind("resize." + this.name)
        },
        _setOffsets: function() {
            var c = this,
                d = a(b);
            d.unbind("resize.horizontal-" + this.name).unbind("resize.vertical-" + this.name), "function" == typeof this.options.horizontalOffset ? (this.horizontalOffset = this.options.horizontalOffset(), d.bind("resize.horizontal-" + this.name, function() {
                c.horizontalOffset = c.options.horizontalOffset()
            })) : this.horizontalOffset = this.options.horizontalOffset, "function" == typeof this.options.verticalOffset ? (this.verticalOffset = this.options.verticalOffset(), d.bind("resize.vertical-" + this.name, function() {
                c.verticalOffset = c.options.verticalOffset()
            })) : this.verticalOffset = this.options.verticalOffset
        },
        _repositionElements: function() {
            var a, b, c, d, e, f, g, h, i, j, k = this._getScrollLeft(),
                l = this._getScrollTop(),
                n = !0,
                o = !0;
            if (this.currentScrollLeft !== k || this.currentScrollTop !== l || this.currentWidth !== this.viewportWidth || this.currentHeight !== this.viewportHeight) {
                for (this.currentScrollLeft = k, this.currentScrollTop = l, this.currentWidth = this.viewportWidth, this.currentHeight = this.viewportHeight, j = this.particles.length - 1; j >= 0; j--) a = this.particles[j], b = a.isFixed ? 1 : 0, this.options.horizontalScrolling ? (f = (k + a.horizontalOffset + this.viewportOffsetLeft + a.startingPositionLeft - a.startingOffsetLeft + a.parentOffsetLeft) * -(a.stellarRatio + b - 1) + a.startingPositionLeft, h = f - a.startingPositionLeft + a.startingOffsetLeft) : (f = a.startingPositionLeft, h = a.startingOffsetLeft), this.options.verticalScrolling ? (g = (l + a.verticalOffset + this.viewportOffsetTop + a.startingPositionTop - a.startingOffsetTop + a.parentOffsetTop) * -(a.stellarRatio + b - 1) + a.startingPositionTop, i = g - a.startingPositionTop + a.startingOffsetTop) : (g = a.startingPositionTop, i = a.startingOffsetTop), this.options.hideDistantElements && (o = !this.options.horizontalScrolling || h + a.width > (a.isFixed ? 0 : k) && h < (a.isFixed ? 0 : k) + this.viewportWidth + this.viewportOffsetLeft, n = !this.options.verticalScrolling || i + a.height > (a.isFixed ? 0 : l) && i < (a.isFixed ? 0 : l) + this.viewportHeight + this.viewportOffsetTop), o && n ? (a.isHidden && (this.options.showElement(a.$element), a.isHidden = !1), this._setPosition(a.$element, f, a.startingPositionLeft, g, a.startingPositionTop)) : a.isHidden || (this.options.hideElement(a.$element), a.isHidden = !0);
                for (j = this.backgrounds.length - 1; j >= 0; j--) c = this.backgrounds[j], b = c.isFixed ? 0 : 1, d = this.options.horizontalScrolling ? (k + c.horizontalOffset - this.viewportOffsetLeft - c.startingOffsetLeft + c.parentOffsetLeft - c.startingBackgroundPositionLeft) * (b - c.stellarRatio) + "px" : c.startingValueLeft, e = this.options.verticalScrolling ? (l + c.verticalOffset - this.viewportOffsetTop - c.startingOffsetTop + c.parentOffsetTop - c.startingBackgroundPositionTop) * (b - c.stellarRatio) + "px" : c.startingValueTop, m(c.$element, d, e)
            }
        },
        _handleScrollEvent: function() {
            var a = this,
                b = !1,
                c = function() {
                    a._repositionElements(), b = !1
                },
                d = function() {
                    b || (o(c), b = !0)
                };
            this.$scrollElement.bind("scroll." + this.name, d), d()
        },
        _startAnimationLoop: function() {
            var a = this;
            this._animationLoop = function() {
                o(a._animationLoop), a._repositionElements()
            }, this._animationLoop()
        }
    }, a.fn[f] = function(b) {
        var c = arguments;
        return b === d || "object" == typeof b ? this.each(function() {
            a.data(this, "plugin_" + f) || a.data(this, "plugin_" + f, new e(this, b))
        }) : "string" == typeof b && "_" !== b[0] && "init" !== b ? this.each(function() {
            var d = a.data(this, "plugin_" + f);
            d instanceof e && "function" == typeof d[b] && d[b].apply(d, Array.prototype.slice.call(c, 1)), "destroy" === b && a.data(this, "plugin_" + f, null)
        }) : void 0
    }, a[f] = function() {
        var c = a(b);
        return c.stellar.apply(c, Array.prototype.slice.call(arguments, 0))
    }, a[f].scrollProperty = h, a[f].positionProperty = i, b.Stellar = e
}(jQuery, this, document);