//easing equation, borrowed from jQuery easing plugin
		//http://gsgd.co.uk/sandbox/jquery/easing/
		$.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.webs.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 them all.
			 * A 'target' is specified, that means that #screen is the context for target, prev, next and navigation.
			 */
			$('#headlinecarousel .screen').serialScroll({
				target:'.sections',
				items:'li', //selector to the items ( relative to the matched elements, '#sections' in this case )
				prev:'span.prev',//selector to the 'prev' button (absolute!, meaning it's relative to the document)
				next:'span.next',//selector to the 'next' button (absolute too)
				axis:'x',//the default is 'y'
				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)
				duration:500,//length of the animation (if you scroll 2 axes and use queue, then each axis take half this time)
				start: 0, //on which element (index) to begin ( 0 is the default, redundant in this case )
				force:true, //force a scroll to the element specified by 'start' (some browsers don't reset on refreshes)
				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:7000, //it's the number of milliseconds to automatically go to the next
				navigation:'.carouselnav li a',
				constant:true,
				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
				}
			});
			$('.screen').serialScroll({
				target:'.sections',
				items:'li', //selector to the items ( relative to the matched elements, '#sections' in this case )
				prev:'span.prev',//selector to the 'prev' button (absolute!, meaning it's relative to the document)
				next:'span.next',//selector to the 'next' button (absolute too)
				axis:'xy',//the default is 'y'
				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)
				duration:500,//length of the animation (if you scroll 2 axes and use queue, then each axis take half this time)
				start: 0, //on which element (index) to begin ( 0 is the default, redundant in this case )
				force:true, //force a scroll to the element specified by 'start' (some browsers don't reset on refreshes)
				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:false, //it's the number of milliseconds to automatically go to the next
				navigation:'.carouselnav li a',
				constant:true,
				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
				}
			});
		});