// 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.serialScroll'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.serialScroll.
	 */
	
	/**
	 * The plugin binds 6 events to the container to allow external manipulation.
	 * prev, next, goto, start, stop and notify
	 * You use them like this: $(your_container).trigger('next'), $(your_container).trigger('goto', [5]) (0-based index).
	 * If for some odd reason, the element already has any of these events bound, trigger it with the namespace.
	 */		
	
	/**
	 * IMPORTANT: this call to the plugin specifies ALL the settings (plus some of jQuery.ScrollTo)
	 * This is done so you can see them. You DON'T need to specify the commented ones.
	 * A 'target' is specified, that means that #screen is the context for target, prev, next and navigation.
	 */
//	$('#screen').serialScroll({
//		target:'#sections',
//		items:'li', // Selector to the items ( relative to the matched elements, '#sections' in this case )
//		prev:'img.prev',// Selector to the 'prev' button (absolute!, meaning it's relative to the document)
//		next:'img.next',// Selector to the 'next' button (absolute too)
//		axis:'xy',// The default is 'y' scroll on both ways
//		navigation:'#navigation li a',
//		duration:700,// Length of the animation (if you scroll 2 axes and use queue, then each axis take half this time)
//		force:true, // Force a scroll to the element specified by 'start' (some browsers don't reset on refreshes)
//		
//		//queue:false,// We scroll on both axes, scroll both at the same time.
//		//event:'click',// On which event to react (click is the default, you probably won't need to specify it)
//		//stop:false,// Each click will stop any previous animations of the target. (false by default)
//		//lock:true, // Ignore events if already animating (true by default)		
//		//start: 0, // On which element (index) to begin ( 0 is the default, redundant in this case )		
//		//cycle:true,// Cycle endlessly ( constant velocity, true is the default )
//		//step:1, // How many items to scroll each time ( 1 is the default, no need to specify )
//		//jump:false, // If true, items become clickable (or w/e 'event' is, and when activated, the pane scrolls to them)
//		//lazy:false,// (default) if true, the plugin looks for the items on each event(allows AJAX or JS content, or reordering)
//		//interval:1000, // It's the number of milliseconds to automatically go to the next
//		//constant:true, // constant speed
//		
//		onBefore:function( e, elem, $pane, $items, pos ){
//			/**
//			 * 'this' is the triggered element 
//			 * e is the event object
//			 * elem is the element we'll be scrolling to
//			 * $pane is the element being scrolled
//			 * $items is the items collection at this moment
//			 * pos is the position of elem in the collection
//			 * if it returns false, the event will be ignored
//			 */
//			 //those arguments with a $ are jqueryfied, elem isn't.
//			e.preventDefault();
//			if( this.blur )
//				this.blur();
//		},
//		onAfter:function( elem ){
//			//'this' is the element being scrolled ($pane) not jqueryfied
//		}
//	});
	
	/**
	 * No need to have only one element in view, you can use it for slideshows or similar.
	 * In this case, clicking the images, scrolls to them.
	 * No target in this case, so the selectors are absolute.
	 */
	
	$('#slideshow').serialScroll({
		items:'li',
		prev: 'table a.btnPrev',
		next: 'table a.btnNext',
		offset:-350, //when scrolling to photo, stop 230 before reaching it (from the left)
		start:1, //as we are centering it, start at the 2nd
		duration:500,
		force:true,
		stop:true,
		lock: false,
		step: 5, 
		cycle:false, //don't pull back once you reach the end
	//	easing: 'easeOutQuart', //use this easing equation for a funny effect
		easing: 'backin', //use this easing equation for a funny effect
		jump: true //click on the images to scroll to them
	});
	



});