jQuery.easing.easeOutQuart = function (x, t, b, c, d) {
	return -c * ((t=t/d-1)*t*t*t - 1) + b;
};



jQuery(function( $ ){


	
	//slideshow trang gallery
	var $slideshow = $(".view_sideshow");
	var $items = $slideshow.find('img');
	
	var currentImg =  0;
	fadeOutAllItems($items);
	
	var interval = setInterval(nextImg, 4000);
	
	$(".control_img .next_img").click(function() {		  
		clearInterval(interval);
		nextImg();
	});
	$(".control_img .prev_img").click(function() {
		clearInterval(interval);
		prevImg();
	});
	
	function nextImg() {
		$($items[currentImg]).fadeOut(1000);
		if(currentImg == $items.length - 1) {
			currentImg = 0;
		}
		else {
			currentImg++;
		}
		$($items[currentImg]).fadeIn(1000);
	}
	
	function prevImg() {
		$($items[currentImg]).fadeOut();
			if(currentImg == 0) {
			currentImg = $items.length - 1;
		}
		else {
			currentImg--;
		}
		$($items[currentImg]).fadeIn();
	}
		
	function fadeOutAllItems(items) {
		for(var i = 1; i < items.length; i++) {
			$(items[i]).hide();
		}
	}
	 
		
	
	$('.show_kids').serialScroll({
		items:'li',
		prev:'.prev_kids a',
		next:'.next_kids a',
		offset:0, 
		start:0,  
		duration:500,
		force:true,
		stop:true,
		lock:false,
		cycle:true,  
		easing:'easeOutQuart',
		jump: true  
	});
	
});