// when the DOM is ready...
$(document).ready(function () {
	var anchor = window.location.hash;
	ancre = anchor.substring(1,anchor.length); // enleve le #
	//alert(ancre);

	switch (ancre)
	{
		case "marketing":
			$("#navigation li a.marketing").attr('id','courant');
			break;
		case "communication":
			$("#navigation li a.communication").attr('id','courant');
			break;
		case "web":
			$("#navigation li a.web").attr('id','courant');
			break;
		case "multimedia":
			$("#navigation li a.multimedia").attr('id','courant');
			break;
		case "formation":
			$("#navigation li a.formation").attr('id','courant');
			break;
		case "contact":
			$("#navigation li a.contact").attr('id','courant');
			break;
		default :
			$("#navigation li a.home").attr('id','courant');
			break;
		
	}
        		
var $panels = $('.scrollContainer > div');
var $container = $('.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 = $('.scroll').css('overflow', 'hidden');

// handle nav selection
function selectNav() {
		$("#courant").attr('id','');
		$(this).attr('id','courant');
		//event.preventDefault();
		$("a#courant span").stop().animate({
		opacity: 0
		}, "slow");
		//alert(window.title);
}

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

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

if (window.location.hash) {
  trigger({ id : window.location.hash.substr(1) });
}
else
{
	trigger({id : "home" });	
}

// 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: 'easeInOutQuart'
};

// 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.
$('.scroll').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);

});