/* UItoTop jQuery Plugin 1.2 | Matt Varone | http://www.mattvarone.com/web-design/uitotop-jquery-plugin */
(function($) {
  $.fn.UItoTop = function(options) {
    var defaults = {
        text: 'To Top',
        min: 200,
        inDelay: 600,
        outDelay: 400,
        containerID: 'toTop',
        containerHoverID: 'toTopHover',
        scrollSpeed: 1200,
        easingType: 'linear'
      },
      settings = $.extend(defaults, options),
      containerIDhash = '#' + settings.containerID,
      containerHoverIDHash = '#' + settings.containerHoverID;
    $('body').append('<a href="#" id="' + settings.containerID + '">' + settings.text + '</a>');
    $(containerIDhash).hide().on('click.UItoTop', function() {
      $('html, body').animate({
        scrollTop: 0
      }, settings.scrollSpeed, settings.easingType);
      $('#' + settings.containerHoverID, this).stop().animate({
        'opacity': 0
      }, settings.inDelay, settings.easingType);
      return false;
    }).prepend('<span id="' + settings.containerHoverID + '"></span>').hover(function() {
      $(containerHoverIDHash, this).stop().animate({
        'opacity': 1
      }, 600, 'linear');
    }, function() {
      $(containerHoverIDHash, this).stop().animate({
        'opacity': 0
      }, 700, 'linear');
    });
    $(window).scroll(function() {
      var sd = $(window).scrollTop();
      if (typeof document.body.style.maxHeight === "undefined") {
        $(containerIDhash).css({
          'position': 'absolute',
          'top': sd + $(window).height() - 50
        });
      }
      if (sd > settings.min)
        $(containerIDhash).fadeIn(settings.inDelay);
      else
        $(containerIDhash).fadeOut(settings.Outdelay);
    });
  };
})(jQuery);