1 (function($) {

     2   var j = $.scrollTo = function(a, b, c) {

     3     return $(window).scrollTo(a, b, c)

     4   };

     5   j.defaults = {

     6     axis: 'xy',

     7     duration: parseFloat($.fn.jquery) >= 1.3 ? 0 : 1,

     8     limit: true

     9   };

    10   j.window = function(a) {

    11     return $(window)._scrollable()

    12   };

    13   $.fn._scrollable = function() {

    14     return this.map(function() {

    15       var a = this,

    16           isWin = !a.nodeName || $.inArray(a.nodeName.toLowerCase(), ['iframe', '#document', 'html', 'body']) != -1;

    17       if (!isWin) return a;

    18       var b = (a.contentWindow || a).document || a.ownerDocument || a;

    19       return /webkit/i.test(navigator.userAgent) || b.compatMode == 'BackCompat' ? b.body : b.documentElement

    20     })

    21   };

    22   $.fn.scrollTo = function(f, g, h) {

    23     if (typeof g == 'object') {

    24       h = g;

    25       g = 0

    26     }

    27     if (typeof h == 'function') h = {

    28       onAfter: h

    29     };

    30     if (f == 'max') f = 9e9;

    31     h = $.extend({}, j.defaults, h);

    32     g = g || h.duration;

    33     h.queue = h.queue && h.axis.length > 1;

    34     if (h.queue) g /= 2;

    35     h.offset = both(h.offset);

    36     h.over = both(h.over);

    37     return this._scrollable().each(function() {

    38       if (f == null) return;

    39       var d = this,

    40           $elem = $(d),

    41           targ = f,

    42           toff, attr = {},

    43           win = $elem.is('html,body');

    44       switch (typeof targ) {

    45       case 'number':

    46       case 'string':

    47         if (/^([+-]=?)?\d+(\.\d+)?(px|%)?$/.test(targ)) {

    48           targ = both(targ);

    49           break

    50         }

    51         targ = $(targ, this);

    52         if (!targ.length) return;

    53       case 'object':

    54         if (targ.is || targ.style) toff = (targ = $(targ)).offset()

    55       }

    56       var e = $.isFunction(h.offset) && h.offset(d, targ) || h.offset;

    57       $.each(h.axis.split(''), function(i, a) {

    58         var b = a == 'x' ? 'Left' : 'Top',

    59             pos = b.toLowerCase(),

    60             key = 'scroll' + b,

    61             old = d[key],

    62             max = j.max(d, a);

    63         if (toff) {

    64           attr[key] = toff[pos] + (win ? 0 : old - $elem.offset()[pos]);

    65           if (h.margin) {

    66             attr[key] -= parseInt(targ.css('margin' + b)) || 0;

    67             attr[key] -= parseInt(targ.css('border' + b + 'Width')) || 0

    68           }

    69           attr[key] += e[pos] || 0;

    70           if (h.over[pos]) attr[key] += targ[a == 'x' ? 'width' : 'height']() * h.over[pos]

    71         } else {

    72           var c = targ[pos];

    73           attr[key] = c.slice && c.slice(-1) == '%' ? parseFloat(c) / 100 * max : c

    74         }

    75         if (h.limit && /^\d+$/.test(attr[key])) attr[key] = attr[key] <= 0 ? 0 : Math.min(attr[key], max);

    76         if (!i && h.queue) {

    77           if (old != attr[key]) animate(h.onAfterFirst);

    78           delete attr[key]

    79         }

    80       });

    81       animate(h.onAfter);

    82 

    83       function animate(a) {

    84         $elem.animate(attr, g, h.easing, a &&

    85         function() {

    86           a.call(this, targ, h)

    87         })

    88       }

    89     }).end()

    90   };

    91   j.max = function(a, b) {

    92     var c = b == 'x' ? 'Width' : 'Height',

    93         scroll = 'scroll' + c;

    94     if (!$(a).is('html,body')) return a[scroll] - $(a)[c.toLowerCase()]();

    95     var d = 'client' + c,

    96         html = a.ownerDocument.documentElement,

    97         body = a.ownerDocument.body;

    98     return Math.max(html[scroll], body[scroll]) - Math.min(html[d], body[d])

    99   };

   100 

   101   function both(a) {

   102     return $.isFunction(a) || typeof a == 'object' ? a : {

   103       top: a,

   104       left: a

   105     }

   106   };

   107   return j

   108 })(jQuery);