(function( $ ){  var  $scrollTo = $.scrollTo = function( target, duration, settings ){  $(window).scrollTo( target, duration, settings ); }; $scrollTo.defaults = {  axis:'y',  duration:1 }; $scrollTo.window = function( scope ){  return $(window).scrollable(); }; $.fn.scrollable = function(){  return this.map(function(){   var win = this.parentWindow || this.defaultView,    elem = this.nodeName == '#document' ? win.frameElement || win : this,    doc = elem.contentDocument || (elem.contentWindow || elem).document,    isWin = elem.setInterval;   return elem.nodeName == 'IFRAME' || isWin && $.browser.safari ? doc.body    : isWin ? doc.documentElement    : this;  }); }; $.fn.scrollTo = function( target, duration, settings ){  if( typeof duration == 'object' ){   settings = duration;   duration = 0;  }  if( typeof settings == 'function' )   settings = { onAfter:settings };     settings = $.extend( {}, $scrollTo.defaults, settings );  duration = duration || settings.speed || settings.duration;  settings.queue = settings.queue && settings.axis.length > 1;    if( settings.queue )   duration /= 2;  settings.offset = both( settings.offset );  settings.over = both( settings.over );  return this.scrollable().each(function(){   var elem = this,    $elem = $(elem),    targ = target, toff, attr = {},    win = $elem.is('html,body');   switch( typeof targ ){    case 'number':    case 'string':     if( /^([+-]=)?\d+(px)?$/.test(targ) ){      targ = both( targ );      break;     }     targ = $(targ,this);    case 'object':     if( targ.is || targ.style )      toff = (targ = $(targ)).offset();   }   $.each( settings.axis.split(''), function( i, axis ){    var Pos = axis == 'x' ? 'Left' : 'Top',     pos = Pos.toLowerCase(),     key = 'scroll' + Pos,     old = elem[key],     Dim = axis == 'x' ? 'Width' : 'Height',     dim = Dim.toLowerCase();    if( toff ){     attr[key] = toff[pos] + ( win ? 0 : old - $elem.offset()[pos] );     if( settings.margin ){      attr[key] -= parseInt(targ.css('margin'+Pos)) || 0;      attr[key] -= parseInt(targ.css('border'+Pos+'Width')) || 0;     }          attr[key] += settings.offset[pos] || 0;          if( settings.over[pos] )      attr[key] += targ[dim]() * settings.over[pos];    }else     attr[key] = targ[pos];    if( /^\d+$/.test(attr[key]) )     attr[key] = attr[key] <= 0 ? 0 : Math.min( attr[key], max(Dim) );    if( !i && settings.queue ){     if( old != attr[key] )      animate( settings.onAfterFirst );     delete attr[key];    }   });      animate( settings.onAfter );      function animate( callback ){    $elem.animate( attr, duration, settings.easing, callback && function(){     callback.call(this, target, settings);    });   };   function max( Dim ){    var attr ='scroll'+Dim,     doc = elem.ownerDocument;        return win      ? Math.max( doc.documentElement[attr], doc.body[attr]  )      : elem[attr];   };  }).end(); }; function both( val ){  return typeof val == 'object' ? val : { top:val, left:val }; };})( jQuery );