// JavaScript Document

$(function(){
  $('.anchor a[href^="#"]').click(function() {
    var speed = 500;
    var href = $(this).attr('href');
    var target = $(href == '#' || href == '' ? 'html' : href);
    var position = target.offset().top;
    $('body,html').animate({
      scrollTop: position
    }, speed, 'swing');
    return false;
  });
});