/**
 * jQuery.LocalScroll - Animated scrolling navigation, using anchors.
 * Copyright (c) 2007-2009 Ariel Flesler - aflesler(at)gmail(dot)com | http://flesler.blogspot.com
 * Dual licensed under MIT and GPL.
 * Date: 3/11/2009
 * @author Ariel Flesler
 * @version 1.2.7
 **/
;(function($){var l=location.href.replace(/#.*/,'');var g=$.localScroll=function(a){$('body').localScroll(a)};g.defaults={duration:1e3,axis:'y',event:'click',stop:true,target:window,reset:true};g.hash=function(a){if(location.hash){a=$.extend({},g.defaults,a);a.hash=false;if(a.reset){var e=a.duration;delete a.duration;$(a.target).scrollTo(0,a);a.duration=e}i(0,location,a)}};$.fn.localScroll=function(b){b=$.extend({},g.defaults,b);return b.lazy?this.bind(b.event,function(a){var e=$([a.target,a.target.parentNode]).filter(d)[0];if(e)i(a,e,b)}):this.find('a,area').filter(d).bind(b.event,function(a){i(a,this,b)}).end().end();function d(){return!!this.href&&!!this.hash&&this.href.replace(this.hash,'')==l&&(!b.filter||$(this).is(b.filter))}};function i(a,e,b){var d=e.hash.slice(1),f=document.getElementById(d)||document.getElementsByName(d)[0];if(!f)return;if(a)a.preventDefault();var h=$(b.target);if(b.lock&&h.is(':animated')||b.onBefore&&b.onBefore.call(b,a,f,h)===false)return;if(b.stop)h.stop(true);if(b.hash){var j=f.id==d?'id':'name',k=$('<a> </a>').attr(j,d).css({position:'absolute',top:$(window).scrollTop(),left:$(window).scrollLeft()});f[j]='';$('body').prepend(k);location=e.hash;k.remove();f[j]=d}h.scrollTo(f,b).trigger('notify.serialScroll',[f])}})(jQuery);

var $scroll = $('#slider .scroll');

$scroll
  .before('<img class="scrollButtons left" src="images/scroll_left.png" />')
  .after('<img class="scrollButtons right" src="images/scroll_right.png" />');
  
  //by commenting this out, we can use a named anchor in the Links
  /*
if (window.location.hash) {
  trigger({ id : window.location.hash.substr(1)});
} else {
  $('#slider .navigation a:first').click();
}  
*/
$(document).ready(function () {

var $panels = $('#slider .scrollContainer > div');
var $container = $('#slider .scrollContainer');

// if false, we'll float all the panels left and fix the width 
// of the container
var horizontal = true;

// float the panels left if we're going horizontal
if (horizontal) {
  $panels.css({
    'float' : 'left',
    'position' : 'relative' // IE fix to ensure overflow is hidden
  });
  
  // calculate a new width for the container (so it holds all panels)
  $container.css('width', $panels[0].offsetWidth * $panels.length);
}

// collect the scroll object, at the same time apply the hidden overflow
// to remove the default scrollbars that will appear
var $scroll = $('#slider .scroll').css('overflow', 'hidden');

// apply our left + right buttons
$scroll
  .before('<img class="scrollButtons left" src="images/scroll_left.png" />')
  .after('<img class="scrollButtons right" src="images/scroll_right.png" />');

// handle nav selection
function selectNav() {
  $(this)
    .parents('ul:first')
      .find('a')
        .removeClass('selected')
      .end()
    .end()
    .addClass('selected');
}

$('#slider .navigation').find('a').click(selectNav);

// go find the navigation link that has this target and select the nav
function trigger(data) {
  var el = $('#slider .navigation').find('a[href$="' + data.id + '"]').get(0);
  selectNav.call(el);
}

if (window.location.hash) {
  trigger({ id : window.location.hash.substr(1) });
} else {
  $('ul.navigation a:first').click();
}

// offset is used to move to *exactly* the right place, since I'm using
// padding on my example, I need to subtract the amount of padding to
// the offset.  Try removing this to get a good idea of the effect
var offset = parseInt((horizontal ? 
  $container.css('paddingTop') : 
  $container.css('paddingLeft')) 
  || 0) * -1;


var scrollOptions = {
  target: $scroll, // the element that has the overflow
  
  // can be a selector which will be relative to the target
  items: $panels,
  
  navigation: '.navigation a',
  
  // selectors are NOT relative to document, i.e. make sure they're unique
  prev: 'img.left', 
  next: 'img.right',
  
  // allow the scroll effect to run both directions
  axis: 'xy',
  
  onAfter: trigger, // our final callback
  
  offset: offset,
  
  // duration of the sliding effect
  duration: 500,
  
  // easing - can be used with the easing plugin: 
  // http://gsgd.co.uk/sandbox/jquery/easing/
  easing: 'swing'
};

// apply serialScroll to the slider - we chose this plugin because it 
// supports// the indexed next and previous scroll along with hooking 
// in to our navigation.
$('#slider').serialScroll(scrollOptions);

// now apply localScroll to hook any other arbitrary links to trigger 
// the effect
//$.localScroll(scrollOptions);

// finally, if the URL has a hash, move the slider in to position, 
// setting the duration to 1 because I don't want it to scroll in the
// very first page load.  We don't always need this, but it ensures
// the positioning is absolutely spot on when the pages loads.
//scrollOptions.duration = 1;
//$.localScroll.hash(scrollOptions);

});
