$(function(){
    var n=1
	var isClick=true
	var intro_slider_intervalID = setInterval(function(){
		n++
		intro_slider_change()
	},4000)
	var intro_slider_timeoutID

	function intro_slider_autoplay(){
		clearInterval(intro_slider_intervalID)
		clearTimeout(intro_slider_timeoutID)
		intro_slider_timeoutID = setTimeout(function(){
			intro_slider_intervalID = setInterval(function(){
				n++
				intro_slider_change()
			},4000)	
		},10000)	
	}
	
	function intro_slider_change(){
		isClick=false
		setTimeout(function(){isClick=true},1000)
		$("section.intro_slider .img_container").stop().animate({"left":(n-1)*-50+"%"},700,function(){
			if(n>5){n=1}
			if(n<1){n=5}
			$("section.intro_slider .img_container").css("left",(n-1)*-50+"%")	
            $("section.intro_slider ul li").removeClass("active")
            $("section.intro_slider ul li.img_box"+n).addClass("active")
		})	
	}
    
	
	$("section.main_visual .next").click(function(){
		if(isClick==true){
			n++
			main_visual_change()
			main_visual_autoplay()
		}
	})
	
	$("section.main_visual .prev").click(function(){
		if(isClick==true){
			n--
			main_visual_change()
			main_visual_autoplay()
		}
	})
})