(function($) {
	$.fn.codaSlider = function() {
	
		return this.each(function() {
			
			var $$ = $(this);
			
			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');

// handle nav selection
			function selectNav() {
  				$$
    			.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);
		});
	}
})(jQuery);

$(function(){
	$(document).codaSlider();
});