jquery.getpos = function (e) {
    var l = 0;
    var t = 0;
    var w = jquery.intval(jquery.css(e, 'width'));
    var h = jquery.intval(jquery.css(e, 'height'));
    var wb = e.offsetwidth;
    var hb = e.offsetheight;
    while (e.offsetparent) {
        l += e.offsetleft + (e.currentstyle ? jquery.intval(e.currentstyle.borderleftwidth) : 0);
        t += e.offsettop + (e.currentstyle ? jquery.intval(e.currentstyle.bordertopwidth) : 0);
        e = e.offsetparent;
    }
    l += e.offsetleft + (e.currentstyle ? jquery.intval(e.currentstyle.borderleftwidth) : 0);
    t += e.offsettop + (e.currentstyle ? jquery.intval(e.currentstyle.bordertopwidth) : 0);
    return { x: l, y: t, w: w, h: h, wb: wb, hb: hb };
};
jquery.getclient = function (e) {
    if (e) {
        w = e.clientwidth;
        h = e.clientheight;
    } else {
        w = (window.innerwidth) ? window.innerwidth : (document.documentelement && document.documentelement.clientwidth) ? document.documentelement.clientwidth : document.body.offsetwidth;
        h = (window.innerheight) ? window.innerheight : (document.documentelement && document.documentelement.clientheight) ? document.documentelement.clientheight : document.body.offsetheight;
    }
    return { w: w, h: h };
};
jquery.getscroll = function (e) {
    if (e) {
        t = e.scrolltop;
        l = e.scrollleft;
        w = e.scrollwidth;
        h = e.scrollheight;
    } else {
        if (document.documentelement && document.documentelement.scrolltop) {
            t = document.documentelement.scrolltop;
            l = document.documentelement.scrollleft;
            w = document.documentelement.scrollwidth;
            h = document.documentelement.scrollheight;
        } else if (document.body) {
            t = document.body.scrolltop;
            l = document.body.scrollleft;
            w = document.body.scrollwidth;
            h = document.body.scrollheight;
        }
    }
    return { t: t, l: l, w: w, h: h };
};

jquery.intval = function (v) {
    v = parseint(v);
    return isnan(v) ? 0 : v;
};

jquery.fn.scrollto = function (s) {
    o = jquery.speed(s);
    return this.each(function () {
        new jquery.fx.scrollto(this, o);
    });
};

jquery.fx.scrollto = function (e, o) {
    var z = this;
    z.o = o;
    z.e = e;
    z.p = jquery.getpos(e);
    z.s = jquery.getscroll();
    z.clear = function () { clearinterval(z.timer); z.timer = null };
    z.t = (new date).gettime();
    z.step = function () {
        var t = (new date).gettime();
        var p = (t - z.t) / z.o.duration;
        if (t >= z.o.duration + z.t) {
            z.clear();
            settimeout(function () { z.scroll(z.p.y, z.p.x) }, 13);
        } else {
            st = ((-math.cos(p * math.pi) / 2) + 0.5) * (z.p.y - z.s.t) + z.s.t;
            sl = ((-math.cos(p * math.pi) / 2) + 0.5) * (z.p.x - z.s.l) + z.s.l;
            z.scroll(st, sl);
        }
    };
    z.scroll = function (t, l) { window.scrollto(l, t) };
    z.timer = setinterval(function () { z.step(); }, 13);
};