/**
 * jQuery.ScrollTo - Easy element scrolling using jQuery.
 * Copyright (c) 2007-2008 Ariel Flesler - aflesler(at)gmail(dot)com | http://flesler.blogspot.com
 * Dual licensed under MIT and GPL.
 * Date: 9/11/2008
 * @author Ariel Flesler
 * @version 1.4
 *
 * http://flesler.blogspot.com/2007/10/jqueryscrollto.html
 */

(function(h){
    var m = h.scrollTo = function(b, c, g){
        h(window).scrollTo(b, c, g)
    };
    m.defaults = {
        axis: 'y',
        duration: 1
    };
    m.window = function(b){
        return h(window).scrollable()
    };
    h.fn.scrollable = function(){
        return this.map(function(){
            var b = this.parentWindow || this.defaultView, c = this.nodeName == '#document' ? b.frameElement || b : this, g = c.contentDocument || (c.contentWindow || c).document, i = c.setInterval;
            return c.nodeName == 'IFRAME' || i && h.browser.safari ? g.body : i ? g.documentElement : this
        })
    };
    h.fn.scrollTo = function(r, j, a){
        if (typeof j == 'object') {
            a = j;
            j = 0
        }
        if (typeof a == 'function') 
            a = {
                onAfter: a
            };
        a = h.extend({}, m.defaults, a);
        j = j || a.speed || a.duration;
        a.queue = a.queue && a.axis.length > 1;
        if (a.queue) 
            j /= 2;
        a.offset = n(a.offset);
        a.over = n(a.over);
        return this.scrollable().each(function(){
            var k = this, o = h(k), d = r, l, e = {}, p = o.is('html,body');
            switch (typeof d) {
                case 'number':
                case 'string':
                    if (/^([+-]=)?\d+(px)?$/.test(d)) {
                        d = n(d);
                        break
                    }
                    d = h(d, this);
                case 'object':
                    if (d.is || d.style) 
                        l = (d = h(d)).offset()
            }
            h.each(a.axis.split(''), function(b, c){
                var g = c == 'x' ? 'Left' : 'Top', i = g.toLowerCase(), f = 'scroll' + g, s = k[f], t = c == 'x' ? 'Width' : 'Height', v = t.toLowerCase();
                if (l) {
                    e[f] = l[i] + (p ? 0 : s - o.offset()[i]);
                    if (a.margin) {
                        e[f] -= parseInt(d.css('margin' + g)) || 0;
                        e[f] -= parseInt(d.css('border' + g + 'Width')) || 0
                    }
                    e[f] += a.offset[i] || 0;
                    if (a.over[i]) 
                        e[f] += d[v]() * a.over[i]
                }
                else 
                    e[f] = d[i];
                if (/^\d+$/.test(e[f])) 
                    e[f] = e[f] <= 0 ? 0 : Math.min(e[f], u(t));
                if (!b && a.queue) {
                    if (s != e[f]) 
                        q(a.onAfterFirst);
                    delete e[f]
                }
            });
            q(a.onAfter);
            function q(b){
                o.animate(e, j, a.easing, b &&
                function(){
                    b.call(this, r, a)
                })
            };
            function u(b){
                var c = 'scroll' + b, g = k.ownerDocument;
                return p ? Math.max(g.documentElement[c], g.body[c]) : k[c]
            }
        }).end()
    };
    function n(b){
        return typeof b == 'object' ? b : {
            top: b,
            left: b
        }
    }
})(jQuery);