/*!
 * superslide v2.1.2
 * 轻松解决网站大部分特效展示问题
 * 详尽信息请看官网：http://www.superslide2.com/
 *
 * copyright 2011-2015, 大话主席
 *
 * 请尊重原创，保留头部版权
 * 在保留版权的前提下可应用于个人或商业用途

 * v2.1.1：修复当调用多个superslide，并设置returndefault:true 时返回defaultindex索引错误
 * v2.1.2：增加参数设置vis:"auto"，解决左滚动自适应窗口宽度问题。适应情况：vis:"auto",scroll:1, effect:"left或leftloop"（注：此为临时解决方案，日后版本可能变动）
 * v2.1.2：修复 mouseoverstop 和 autoplay均为false下，点击切换按钮后会自动播放bug

 */
(function(a) {
    a.fn.slide = function(b) {
        a.fn.slide.defaults = {
            type: "slide",
            effect: "fade",
            autoplay: false,
            delaytime: 500,
            intertime: 2500,
            triggertime: 150,
            defaultindex: 0,
            titcell: ".hd li",
            maincell: ".bd",
            targetcell: null,
            trigger: "mouseover",
            scroll: 1,
            vis: 1,
            titonclassname: "on",
            autopage: false,
            prevcell: ".prev",
            nextcell: ".next",
            pagestatecell: ".pagestate",
            opp: false,
            pnloop: true,
            easing: "swing",
            startfun: null,
            endfun: null,
            switchload: null,
            playstatecell: ".playstate",
            mouseoverstop: true,
            defaultplay: true,
            returndefault: false
        };
        return this.each(function() {
            var i = a.extend({}, a.fn.slide.defaults, b);
            var g = a(this);
            var af = i.effect;
            var o = a(i.prevcell, g);
            var h = a(i.nextcell, g);
            var g = a(i.pagestatecell, g);
            var n = a(i.playstatecell, g);
            var b = a(i.titcell, g);
            var m = b.size();
            var aa = a(i.maincell, g);
            var e = aa.children().size();
            var h = i.switchload;
            var ai = a(i.targetcell, g);
            var k = parseint(i.defaultindex);
            var z = parseint(i.delaytime);
            var p = parseint(i.intertime);
            var aq = parseint(i.triggertime);
            var ac = parseint(i.scroll);
            var ab = (i.autoplay == "false" || i.autoplay == false) ? false : true;
            var c = (i.opp == "false" || i.opp == false) ? false : true;
            var s = (i.autopage == "false" || i.autopage == false) ? false : true;
            var p = (i.pnloop == "false" || i.pnloop == false) ? false : true;
            var ae = (i.mouseoverstop == "false" || i.mouseoverstop == false) ? false : true;
            var x = (i.defaultplay == "false" || i.defaultplay == false) ? false : true;
            var q = (i.returndefault == "false" || i.returndefault == false) ? false : true;
            var ag = isnan(i.vis) ? 1 : parseint(i.vis);
            var an = !-[1, ] && !window.xmlhttprequest;
            var j = 0;
            var f = 0;
            var q = 0;
            var e = 0;
            var r = i.easing;
            var ad = null;
            var m = null;
            var w = null;
            var ap = i.titonclassname;
            var d = b.index(g.find("." + ap));
            var ao = k = d == -1 ? k : d;
            var f = k;
            var am = k;
            var r = e >= ag ? (e % ac != 0 ? e % ac : ac) : 0;
            var v;
            var u = af == "leftmarquee" || af == "topmarquee" ? true : false;
            var al = function() {
                if (a.isfunction(i.startfun)) {
                    i.startfun(k, m, g, a(i.titcell, g), aa, ai, o, h)
                }
            };
            var j = function() {
                if (a.isfunction(i.endfun)) {
                    i.endfun(k, m, g, a(i.titcell, g), aa, ai, o, h)
                }
            };
            var c = function() {
                b.removeclass(ap);
                if (x) {
                    b.eq(f).addclass(ap)
                }
            };
            if (i.type == "menu") {
                if (x) {
                    b.removeclass(ap).eq(k).addclass(ap)
                }
                b.hover(function() {
                    v = a(this).find(i.targetcell);
                    var i = b.index(a(this));
                    m = settimeout(function() {
                        k = i;
                        b.removeclass(ap).eq(k).addclass(ap);
                        al();
                        switch (af) {
                        case "fade":
                            v.stop(true, true).animate({
                                opacity: "show"
                            }, z, r, j);
                            break;
                        case "slidedown":
                            v.stop(true, true).animate({
                                height: "show"
                            }, z, r, j);
                            break
                        }
                    }, i.triggertime)
                }, function() {
                    cleartimeout(m);
                    switch (af) {
                    case "fade":
                        v.animate({
                            opacity: "hide"
                        }, z, r);
                        break;
                    case "slidedown":
                        v.animate({
                            height: "hide"
                        }, z, r);
                        break
                    }
                });
                if (q) {
                    g.hover(function() {
                        cleartimeout(w)
                    }, function() {
                        w = settimeout(c, z)
                    })
                }
                return
            }
            if (m == 0) {
                m = e
            }
            if (u) {
                m = 2
            }
            if (s) {
                if (e >= ag) {
                    if (af == "leftloop" || af == "toploop") {
                        m = e % ac != 0 ? (e / ac ^ 0) + 1 : e / ac
                    } else {
                        var s = e - ag;
                        m = 1 + parseint(s % ac != 0 ? (s / ac + 1) : (s / ac));
                        if (m <= 0) {
                            m = 1
                        }
                    }
                } else {
                    m = 1
                }
                b.html("");
                var l = "";
                if (i.autopage == true || i.autopage == "true") {
                    for (var ak = 0; ak < m; ak++) {
                        l += "<li>" + (ak + 1) + "</li>"
                    }
                } else {
                    for (var ak = 0; ak < m; ak++) {
                        l += i.autopage.replace("$", (ak + 1))
                    }
                }
                b.html(l);
                var b = b.children()
            }
            if (e >= ag) {
                aa.children().each(function() {
                    if (a(this).width() > q) {
                        q = a(this).width();
                        f = a(this).outerwidth(true)
                    }
                    if (a(this).height() > e) {
                        e = a(this).height();
                        j = a(this).outerheight(true)
                    }
                });
                var y = aa.children();
                var w = function() {
                    for (var ar = 0; ar < ag; ar++) {
                        y.eq(ar).clone().addclass("clone").appendto(aa)
                    }
                    for (var ar = 0; ar < r; ar++) {
                        y.eq(e - ar - 1).clone().addclass("clone").prependto(aa)
                    }
                };
                switch (af) {
                case "fold":
                    aa.css({
                        "position": "relative",
                        "width": f,
                        "height": j
                    }).children().css({
                        "position": "absolute",
                        "width": q,
                        "left": 0,
                        "top": 0,
                        "display": "none"
                    });
                    break;
                case "top":
                    aa.wrap('<div class="tempwrap" style="overflow:hidden; position:relative; height:' + ag * j + 'px"></div>').css({
                        "top": -(k * ac) * j,
                        "position": "relative",
                        "padding": "0",
                        "margin": "0"
                    }).children().css({
                        "height": e
                    });
                    break;
                case "left":
                    aa.wrap('<div class="tempwrap" style="overflow:hidden; position:relative; width:' + ag * f + 'px"></div>').css({
                        "width": e * f,
                        "left": -(k * ac) * f,
                        "position": "relative",
                        "overflow": "hidden",
                        "padding": "0",
                        "margin": "0"
                    }).children().css({
                        "float": "left",
                        "width": q
                    });
                    break;
                case "leftloop":
                case "leftmarquee":
                    w();
                    aa.wrap('<div class="tempwrap" style="overflow:hidden; position:relative; width:' + ag * f + 'px"></div>').css({
                        "width": (e + ag + r) * f,
                        "position": "relative",
                        "overflow": "hidden",
                        "padding": "0",
                        "margin": "0",
                        "left": -(r + k * ac) * f
                    }).children().css({
                        "float": "left",
                        "width": q
                    });
                    break;
                case "toploop":
                case "topmarquee":
                    w();
                    aa.wrap('<div class="tempwrap" style="overflow:hidden; position:relative; height:' + ag * j + 'px"></div>').css({
                        "height": (e + ag + r) * j,
                        "position": "relative",
                        "padding": "0",
                        "margin": "0",
                        "top": -(r + k * ac) * j
                    }).children().css({
                        "height": e
                    });
                    break
                }
            }
            var z = function(ar) {
                var i = ar * ac;
                if (ar == m) {
                    i = e
                } else {
                    if (ar == -1 && e % ac != 0) {
                        i = -e % ac
                    }
                }
                return i
            };
            var d = function(aw) {
                var av = function(ay) {
                    for (var ax = ay; ax < (ag + ay); ax++) {
                        aw.eq(ax).find("img[" + h + "]").each(function() {
                            var ab = a(this);
                            ab.attr("src", ab.attr(h)).removeattr(h);
                            if (aa.find(".clone")[0]) {
                                var aa = aa.children();
                                for (var az = 0; az < aa.size(); az++) {
                                    aa.eq(az).find("img[" + h + "]").each(function() {
                                        if (a(this).attr(h) == ab.attr("src")) {
                                            a(this).attr("src", a(this).attr(h)).removeattr(h)
                                        }
                                    })
                                }
                            }
                        })
                    }
                };
                switch (af) {
                case "fade":
                case "fold":
                case "top":
                case "left":
                case "slidedown":
                    av(k * ac);
                    break;
                case "leftloop":
                case "toploop":
                    av(r + z(am));
                    break;
                case "leftmarquee":
                case "topmarquee":
                    var at = af == "leftmarquee" ? aa.css("left").replace("px", "") : aa.css("top").replace("px", "");
                    var ar = af == "leftmarquee" ? f : j;
                    var i = r;
                    if (at % ar != 0) {
                        var au = math.abs(at / ar ^ 0);
                        if (k == 1) {
                            i = r + au
                        } else {
                            i = r + au - 1
                        }
                    }
                    av(i);
                    break
                }
            };
            var o = function(au) {
                if (x && ao == k && !au && !u) {
                    return
                }
                if (u) {
                    if (k >= 1) {
                        k = 1
                    } else {
                        if (k <= 0) {
                            k = 0
                        }
                    }
                } else {
                    am = k;
                    if (k >= m) {
                        k = 0
                    } else {
                        if (k < 0) {
                            k = m - 1
                        }
                    }
                }
                al();
                if (h != null) {
                    d(aa.children())
                }
                if (ai[0]) {
                    v = ai.eq(k);
                    if (h != null) {
                        d(ai)
                    }
                    if (af == "slidedown") {
                        ai.not(v).stop(true, true).slideup(z);
                        v.slidedown(z, r, function() {
                            if (!aa[0]) {
                                j()
                            }
                        })
                    } else {
                        ai.not(v).stop(true, true).hide();
                        v.animate({
                            opacity: "show"
                        }, z, function() {
                            if (!aa[0]) {
                                j()
                            }
                        })
                    }
                }
                if (e >= ag) {
                    switch (af) {
                    case "fade":
                        aa.children().stop(true, true).eq(k).animate({
                            opacity: "show"
                        }, z, r, function() {
                            j()
                        }).siblings().hide();
                        break;
                    case "fold":
                        aa.children().stop(true, true).eq(k).animate({
                            opacity: "show"
                        }, z, r, function() {
                            j()
                        }).siblings().animate({
                            opacity: "hide"
                        }, z, r);
                        break;
                    case "top":
                        aa.stop(true, false).animate({
                            "top": -k * ac * j
                        }, z, r, function() {
                            j()
                        });
                        break;
                    case "left":
                        aa.stop(true, false).animate({
                            "left": -k * ac * f
                        }, z, r, function() {
                            j()
                        });
                        break;
                    case "leftloop":
                        var ar = am;
                        aa.stop(true, true).animate({
                            "left": -(z(am) + r) * f
                        }, z, r, function() {
                            if (ar <= -1) {
                                aa.css("left", -(r + (m - 1) * ac) * f)
                            } else {
                                if (ar >= m) {
                                    aa.css("left", -r * f)
                                }
                            }
                            j()
                        });
                        break;
                    case "toploop":
                        var ar = am;
                        aa.stop(true, true).animate({
                            "top": -(z(am) + r) * j
                        }, z, r, function() {
                            if (ar <= -1) {
                                aa.css("top", -(r + (m - 1) * ac) * j)
                            } else {
                                if (ar >= m) {
                                    aa.css("top", -r * j)
                                }
                            }
                            j()
                        });
                        break;
                    case "leftmarquee":
                        var at = aa.css("left").replace("px", "");
                        if (k == 0) {
                            aa.animate({
                                "left": ++at
                            }, 0, function() {
                                if (aa.css("left").replace("px", "") >= 0) {
                                    aa.css("left", -e * f)
                                }
                            })
                        } else {
                            aa.animate({
                                "left": --at
                            }, 0, function() {
                                if (aa.css("left").replace("px", "") <= -(e + r) * f) {
                                    aa.css("left", -r * f)
                                }
                            })
                        }
                        break;
                    case "topmarquee":
                        var i = aa.css("top").replace("px", "");
                        if (k == 0) {
                            aa.animate({
                                "top": ++i
                            }, 0, function() {
                                if (aa.css("top").replace("px", "") >= 0) {
                                    aa.css("top", -e * j)
                                }
                            })
                        } else {
                            aa.animate({
                                "top": --i
                            }, 0, function() {
                                if (aa.css("top").replace("px", "") <= -(e + r) * j) {
                                    aa.css("top", -r * j)
                                }
                            })
                        }
                        break
                    }
                }
                b.removeclass(ap).eq(k).addclass(ap);
                ao = k;
                if (!p) {
                    h.removeclass("nextstop");
                    o.removeclass("prevstop");
                    if (k == 0) {
                        o.addclass("prevstop")
                    }
                    if (k == m - 1) {
                        h.addclass("nextstop")
                    }
                }
                g.html("<span class='sp1'>" + "0" + (k + 1) + "</span>/" + "<span class='sp2'>" + "0" + m + "</span>")
            };
            if (x) {
                o(true)
            }
            if (q) {
                g.hover(function() {
                    cleartimeout(w)
                }, function() {
                    w = settimeout(function() {
                        k = f;
                        if (x) {
                            o()
                        } else {
                            if (af == "slidedown") {
                                v.slideup(z, c)
                            } else {
                                v.animate({
                                    opacity: "hide"
                                }, z, c)
                            }
                        }
                        ao = k
                    }, 300)
                })
            }
            var t = function(i) {
                ad = setinterval(function() {
                    c ? k-- : k++;
                    o()
                }, !!i ? i : p)
            };
            var u = function(i) {
                ad = setinterval(o, !!i ? i : p)
            };
            var a = function() {
                if (!ae && ab && !n.hasclass("pausestate")) {
                    clearinterval(ad);
                    t()
                }
            };
            var y = function() {
                if (p || k != m - 1) {
                    k++;
                    o();
                    if (!u) {
                        a()
                    }
                }
            };
            var v = function() {
                if (p || k != 0) {
                    k--;
                    o();
                    if (!u) {
                        a()
                    }
                }
            };
            var t = function() {
                clearinterval(ad);
                u ? u() : t();
                n.removeclass("pausestate")
            };
            var aj = function() {
                clearinterval(ad);
                n.addclass("pausestate")
            };
            if (ab) {
                if (u) {
                    c ? k-- : k++;
                    u();
                    if (ae) {
                        aa.hover(aj, t)
                    }
                } else {
                    t();
                    if (ae) {
                        g.hover(aj, t)
                    }
                }
            } else {
                if (u) {
                    c ? k-- : k++
                }
                n.addclass("pausestate")
            }
            n.click(function() {
                n.hasclass("pausestate") ? t() : aj()
            });
            if (i.trigger == "mouseover") {
                b.hover(function() {
                    var i = b.index(this);
                    m = settimeout(function() {
                        k = i;
                        o();
                        a()
                    }, i.triggertime)
                }, function() {
                    cleartimeout(m)
                })
            } else {
                b.click(function() {
                    k = b.index(this);
                    o();
                    a()
                })
            }
            if (u) {
                h.mousedown(y);
                o.mousedown(v);
                if (p) {
                    var n;
                    var k = function() {
                        n = settimeout(function() {
                            clearinterval(ad);
                            u(p / 10 ^ 0)
                        }, 150)
                    };
                    var ah = function() {
                        cleartimeout(n);
                        clearinterval(ad);
                        u()
                    };
                    h.mousedown(k);
                    h.mouseup(ah);
                    o.mousedown(k);
                    o.mouseup(ah)
                }
                if (i.trigger == "mouseover") {
                    h.hover(y, function() {});
                    o.hover(v, function() {})
                }
            } else {
                h.click(y);
                o.click(v)
            }
            if (i.vis == "auto" && ac == 1 && (af == "left" || af == "leftloop")) {
                var x;
                var l = function() {
                    if (an) {
                        aa.width("auto");
                        aa.children().width("auto")
                    }
                    aa.parent().width("auto");
                    f = aa.parent().width();
                    if (an) {
                        aa.parent().width(f)
                    }
                    aa.children().width(f);
                    if (af == "left") {
                        aa.width(f * e);
                        aa.stop(true, false).animate({
                            "left": -k * f
                        }, 0)
                    } else {
                        aa.width(f * (e + 2));
                        aa.stop(true, false).animate({
                            "left": -(k + 1) * f
                        }, 0)
                    }
                    if (!an && (f != aa.parent().width())) {
                        l()
                    }
                };
                a(window).resize(function() {
                    cleartimeout(x);
                    x = settimeout(l, 100)
                });
                l()
            }
        })
    }
}
)(jquery);
jquery.easing["jswing"] = jquery.easing["swing"];
jquery.extend(jquery.easing, {
    def: "easeoutquad",
    swing: function(e, f, a, h, g) {
        return jquery.easing[jquery.easing.def](e, f, a, h, g)
    },
    easeinquad: function(e, f, a, h, g) {
        return h * (f /= g) * f + a
    },
    easeoutquad: function(e, f, a, h, g) {
        return -h * (f /= g) * (f - 2) + a
    },
    easeinoutquad: function(e, f, a, h, g) {
        if ((f /= g / 2) < 1) {
            return h / 2 * f * f + a
        }
        return -h / 2 * ((--f) * (f - 2) - 1) + a
    },
    easeincubic: function(e, f, a, h, g) {
        return h * (f /= g) * f * f + a
    },
    easeoutcubic: function(e, f, a, h, g) {
        return h * ((f = f / g - 1) * f * f + 1) + a
    },
    easeinoutcubic: function(e, f, a, h, g) {
        if ((f /= g / 2) < 1) {
            return h / 2 * f * f * f + a
        }
        return h / 2 * ((f -= 2) * f * f + 2) + a
    },
    easeinquart: function(e, f, a, h, g) {
        return h * (f /= g) * f * f * f + a
    },
    easeoutquart: function(e, f, a, h, g) {
        return -h * ((f = f / g - 1) * f * f * f - 1) + a
    },
    easeinoutquart: function(e, f, a, h, g) {
        if ((f /= g / 2) < 1) {
            return h / 2 * f * f * f * f + a
        }
        return -h / 2 * ((f -= 2) * f * f * f - 2) + a
    },
    easeinquint: function(e, f, a, h, g) {
        return h * (f /= g) * f * f * f * f + a
    },
    easeoutquint: function(e, f, a, h, g) {
        return h * ((f = f / g - 1) * f * f * f * f + 1) + a
    },
    easeinoutquint: function(e, f, a, h, g) {
        if ((f /= g / 2) < 1) {
            return h / 2 * f * f * f * f * f + a
        }
        return h / 2 * ((f -= 2) * f * f * f * f + 2) + a
    },
    easeinsine: function(e, f, a, h, g) {
        return -h * math.cos(f / g * (math.pi / 2)) + h + a
    },
    easeoutsine: function(e, f, a, h, g) {
        return h * math.sin(f / g * (math.pi / 2)) + a
    },
    easeinoutsine: function(e, f, a, h, g) {
        return -h / 2 * (math.cos(math.pi * f / g) - 1) + a
    },
    easeinexpo: function(e, f, a, h, g) {
        return (f == 0) ? a : h * math.pow(2, 10 * (f / g - 1)) + a
    },
    easeoutexpo: function(e, f, a, h, g) {
        return (f == g) ? a + h : h * (-math.pow(2, -10 * f / g) + 1) + a
    },
    easeinoutexpo: function(e, f, a, h, g) {
        if (f == 0) {
            return a
        }
        if (f == g) {
            return a + h
        }
        if ((f /= g / 2) < 1) {
            return h / 2 * math.pow(2, 10 * (f - 1)) + a
        }
        return h / 2 * (-math.pow(2, -10 * --f) + 2) + a
    },
    easeincirc: function(e, f, a, h, g) {
        return -h * (math.sqrt(1 - (f /= g) * f) - 1) + a
    },
    easeoutcirc: function(e, f, a, h, g) {
        return h * math.sqrt(1 - (f = f / g - 1) * f) + a
    },
    easeinoutcirc: function(e, f, a, h, g) {
        if ((f /= g / 2) < 1) {
            return -h / 2 * (math.sqrt(1 - f * f) - 1) + a
        }
        return h / 2 * (math.sqrt(1 - (f -= 2) * f) + 1) + a
    },
    easeinelastic: function(f, h, e, l, k) {
        var i = 1.70158;
        var j = 0;
        var g = l;
        if (h == 0) {
            return e
        }
        if ((h /= k) == 1) {
            return e + l
        }
        if (!j) {
            j = k * 0.3
        }
        if (g < math.abs(l)) {
            g = l;
            var i = j / 4
        } else {
            var i = j / (2 * math.pi) * math.asin(l / g)
        }
        return -(g * math.pow(2, 10 * (h -= 1)) * math.sin((h * k - i) * (2 * math.pi) / j)) + e
    },
    easeoutelastic: function(f, h, e, l, k) {
        var i = 1.70158;
        var j = 0;
        var g = l;
        if (h == 0) {
            return e
        }
        if ((h /= k) == 1) {
            return e + l
        }
        if (!j) {
            j = k * 0.3
        }
        if (g < math.abs(l)) {
            g = l;
            var i = j / 4
        } else {
            var i = j / (2 * math.pi) * math.asin(l / g)
        }
        return g * math.pow(2, -10 * h) * math.sin((h * k - i) * (2 * math.pi) / j) + l + e
    },
    easeinoutelastic: function(f, h, e, l, k) {
        var i = 1.70158;
        var j = 0;
        var g = l;
        if (h == 0) {
            return e
        }
        if ((h /= k / 2) == 2) {
            return e + l
        }
        if (!j) {
            j = k * (0.3 * 1.5)
        }
        if (g < math.abs(l)) {
            g = l;
            var i = j / 4
        } else {
            var i = j / (2 * math.pi) * math.asin(l / g)
        }
        if (h < 1) {
            return -0.5 * (g * math.pow(2, 10 * (h -= 1)) * math.sin((h * k - i) * (2 * math.pi) / j)) + e
        }
        return g * math.pow(2, -10 * (h -= 1)) * math.sin((h * k - i) * (2 * math.pi) / j) * 0.5 + l + e
    },
    easeinback: function(e, f, a, i, h, g) {
        if (g == undefined) {
            g = 1.70158
        }
        return i * (f /= h) * f * ((g + 1) * f - g) + a
    },
    easeoutback: function(e, f, a, i, h, g) {
        if (g == undefined) {
            g = 1.70158
        }
        return i * ((f = f / h - 1) * f * ((g + 1) * f + g) + 1) + a
    },
    easeinoutback: function(e, f, a, i, h, g) {
        if (g == undefined) {
            g = 1.70158
        }
        if ((f /= h / 2) < 1) {
            return i / 2 * (f * f * (((g *= (1.525)) + 1) * f - g)) + a
        }
        return i / 2 * ((f -= 2) * f * (((g *= (1.525)) + 1) * f + g) + 2) + a
    },
    easeinbounce: function(e, f, a, h, g) {
        return h - jquery.easing.easeoutbounce(e, g - f, 0, h, g) + a
    },
    easeoutbounce: function(e, f, a, h, g) {
        if ((f /= g) < (1 / 2.75)) {
            return h * (7.5625 * f * f) + a
        } else {
            if (f < (2 / 2.75)) {
                return h * (7.5625 * (f -= (1.5 / 2.75)) * f + 0.75) + a
            } else {
                if (f < (2.5 / 2.75)) {
                    return h * (7.5625 * (f -= (2.25 / 2.75)) * f + 0.9375) + a
                } else {
                    return h * (7.5625 * (f -= (2.625 / 2.75)) * f + 0.984375) + a
                }
            }
        }
    },
    easeinoutbounce: function(e, f, a, h, g) {
        if (f < g / 2) {
            return jquery.easing.easeinbounce(e, f * 2, 0, h, g) * 0.5 + a
        }
        return jquery.easing.easeoutbounce(e, f * 2 - g, 0, h, g) * 0.5 + h * 0.5 + a
    }
});