// when the DOM is ready...
$(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',
	'margin' :'0 auto',
    '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: 'x',
  
  onAfter: trigger, // our final callback
  
  offset: offset,
  
  // duration of the sliding effect
  duration: 800,
  
  // 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); 
 $('#nav_text_box li a').click(function(){ 
                $('#nav_text_box li a').removeClass('active'); 
                $(this).addClass('active'); 
        });

}); 



// Easing equation, borrowed from jQuery easing plugin
// http://gsgd.co.uk/sandbox/jquery/easing/
jQuery.easing.easeOutQuart = function (x, t, b, c, d) {
	return -c * ((t=t/d-1)*t*t*t - 1) + b;
};

jQuery(function( $ ){
	/**
	 * Most jQuery.localScroll's settings, actually belong to jQuery.ScrollTo, check it's demo for an example of each option.
	 * @see http://flesler.demos.com/jquery/scrollTo/
	 * You can use EVERY single setting of jQuery.ScrollTo, in the settings hash you send to jQuery.LocalScroll.
	 */
	
	// The default axis is 'y', but in this demo, I want to scroll both
	// You can modify any default like this
	$.localScroll.defaults.axis = 'xy';
	
	// Scroll initially if there's a hash (#something) in the url 
	$.localScroll.hash({
		target: '#slider', // Could be a selector or a jQuery object too.
		queue:true,
		duration:1500
	});
	
	/**
	 * NOTE: I use $.localScroll instead of $('#navigation').localScroll() so I
	 * also affect the >> and << links. I want every link in the page to scroll.
	 */
	$('#centre_box_examples').localScroll({
		target: '#content', // could be a selector or a jQuery object too.
		queue:true,
		duration:1000,
		//hash:true,
		onBefore:function( e, anchor, $target ){
			// The 'this' is the settings object, can be modified
		},
		onAfter:function( anchor, settings ){
			// The 'this' contains the scrolled element (#content)
		}
	});
	
	$('#example_nav_box li a').click(function(){ 
                $('#example_nav_box li a').removeClass('active'); 
                $(this).addClass('active'); 
    });
	
	$('#centre_box_strategy').localScroll({
		target: '#slideshow_strategy', // could be a selector or a jQuery object too.
		queue:true,
		duration:1000,
		//hash:true,
		onBefore:function( e, anchor, $target ){
			// The 'this' is the settings object, can be modified
		},
		onAfter:function( anchor, settings ){
			// The 'this' contains the scrolled element (#content)
		}
	});
	$('#centre_box_solution').localScroll({
		target: '#slideshow_solution', // could be a selector or a jQuery object too.
		queue:true,
		duration:1000,
		//hash:true,
		onBefore:function( e, anchor, $target ){
			// The 'this' is the settings object, can be modified
		},
		onAfter:function( anchor, settings ){
			// The 'this' contains the scrolled element (#content)
		}
	});
	$('#centre_box_design').localScroll({
		target: '#slideshow_design', // could be a selector or a jQuery object too.
		queue:true,
		duration:1000,
		//hash:true,
		onBefore:function( e, anchor, $target ){
			// The 'this' is the settings object, can be modified
		},
		onAfter:function( anchor, settings ){
			// The 'this' contains the scrolled element (#content)
		}
	});
	$('#centre_box_about').localScroll({
		target: '#slideshow_about', // could be a selector or a jQuery object too.
		queue:true,
		duration:1000,
		//hash:true,
		onBefore:function( e, anchor, $target ){
			// The 'this' is the settings object, can be modified
		},
		onAfter:function( anchor, settings ){
			// The 'this' contains the scrolled element (#content)
		}
	});
});