var flag = "left";
function dy_scroll(wraper,prev,next,img,speed,or){  
	var wraper = $(wraper); 
	var prev = $(prev); 
	var next = $(next); 
	var img = $(img).find('ul'); 
	var w = img.find('li').outerwidth(true); 
	var s = speed; 
	next.click(function(){ 
		img.animate({'margin-left':-w}/*,1500,'easeoutbounce'*/,function(){ 
			img.find('li').eq(0).appendto(img); 
			img.css({'margin-left':0}); 
		}); 
		flag = "left";
	}); 
	prev.click(function(){ 
		img.find('li:last').prependto(img); 
		img.css({'margin-left':-w}); 
		img.animate({'margin-left':0}/*,1500,'easeoutbounce'*/); 
		flag = "right";
	}); 
	if (or == true){ 
		ad = setinterval(function() { flag == "left" ? next.click() : prev.click()},s*600); 
		wraper.hover(function(){clearinterval(ad);},function(){ad = setinterval(function() {flag == "left" ? next.click() : prev.click()},s*600);});
	} 
} 
dy_scroll('.hl_main5_content','.hl_scrool_left','.hl_scrool_right','.hl_main5_content1',2,true);// true为自动播放，不加此参数或false就默认不自动