"

From 2014.igem.org

/**

* Copyright (c) 2007-2012 Ariel Flesler - aflesler(at)gmail(dot)com | http://flesler.blogspot.com
* Dual licensed under MIT and GPL.
* @author Ariel Flesler
* @version 1.4.3.1
*/

(function ($) {

   var h = $.scrollTo = function (a, b, c) {
       $(window).scrollTo(a, b, c)
   };
   h.defaults = {
       axis: 'xy',
       duration: parseFloat($.fn.jquery) >= 1.3 ? 0 : 1,
       limit: true
   };
   h.window = function (a) {
       return $(window)._scrollable()
   };
   $.fn._scrollable = function () {
       return this.map(function () {
           var a = this,
               isWin = !a.nodeName || $.inArray(a.nodeName.toLowerCase(), ['iframe', '#document', 'html', 'body']) != -1;
           if (!isWin) return a;
           var b = (a.contentWindow || a).document || a.ownerDocument || a;
           return /webkit/i.test(navigator.userAgent) || b.compatMode == 'BackCompat' ? b.body : b.documentElement
       })
   };
   $.fn.scrollTo = function (e, f, g) {
       if (typeof f == 'object') {
           g = f;
           f = 0
       }
       if (typeof g == 'function') g = {
           onAfter: g
       };
       if (e == 'max') e = 9e9;
       g = $.extend({}, h.defaults, g);
       f = f || g.duration;
       g.queue = g.queue && g.axis.length > 1;
       if (g.queue) f /= 2;
       g.offset = both(g.offset);
       g.over = both(g.over);
       return this._scrollable().each(function () {
           if (e == null) return;
           var d = this,
               $elem = $(d),
               targ = e,
               toff, attr = {}, win = $elem.is('html,body');
           switch (typeof targ) {
           case 'number':
           case 'string':
               if (/^([+-]=)?\d+(\.\d+)?(px|%)?$/.test(targ)) {
                   targ = both(targ);
                   break
               }
               targ = $(targ, this);
               if (!targ.length) return;
           case 'object':
               if (targ.is || targ.style) toff = (targ = $(targ)).offset()
           }
           $.each(g.axis.split(), function (i, a) {
               var b = a == 'x' ? 'Left' : 'Top',
                   pos = b.toLowerCase(),
                   key = 'scroll' + b,
                   old = d[key],
                   max = h.max(d, a);
               if (toff) {
                   attr[key] = toff[pos] + (win ? 0 : old - $elem.offset()[pos]);
                   if (g.margin) {
                       attr[key] -= parseInt(targ.css('margin' + b)) || 0;
                       attr[key] -= parseInt(targ.css('border' + b + 'Width')) || 0
                   }
                   attr[key] += g.offset[pos] || 0;
                   if (g.over[pos]) attr[key] += targ[a == 'x' ? 'width' : 'height']() * g.over[pos]
               } else {
                   var c = targ[pos];
                   attr[key] = c.slice && c.slice(-1) == '%' ? parseFloat(c) / 100 * max : c
               } if (g.limit && /^\d+$/.test(attr[key])) attr[key] = attr[key] <= 0 ? 0 : Math.min(attr[key], max);
               if (!i && g.queue) {
                   if (old != attr[key]) animate(g.onAfterFirst);
                   delete attr[key]
               }
           });
           animate(g.onAfter);

           function animate(a) {
               $elem.animate(attr, f, g.easing, a && function () {
                   a.call(this, e, g)
               })
           }
       }).end()
   };
   h.max = function (a, b) {
       var c = b == 'x' ? 'Width' : 'Height',
           scroll = 'scroll' + c;
       if (!$(a).is('html,body')) return a[scroll] - $(a)[c.toLowerCase()]();
       var d = 'client' + c,
           html = a.ownerDocument.documentElement,
           body = a.ownerDocument.body;
       return Math.max(html[scroll], body[scroll]) - Math.min(html[d], body[d])
   };

   function both(a) {
       return typeof a == 'object' ? a : {
           top: a,
           left: a
       }
   }

})(jQuery);