var autoplay;
var autoplay_interval = 3800;

$(document).ready(function(){
	function autoplay_func(){
		$('div.left_side img.back').trigger('click');
		$('div.left_side div.preview-slider div:eq(1)').mouseenter();
	}
	autoplay = setInterval(function(){autoplay_func()}, autoplay_interval);
	$('div.wrap-slider').hover(
		function(){
			clearInterval(autoplay);
		},  function(){
			autoplay_func();
			autoplay = setInterval(function(){autoplay_func()}, autoplay_interval);
		}
	);
});