$(function(){


	var $animation_elements = $('.ani');
	var $window = $(window);

	function check_if_in_view() {
	  var window_height = $window.height();
	  var window_top_position = $window.scrollTop();
	  var window_bottom_position = (window_top_position + window_height);
	 
	  $.each($animation_elements, function() {
		var $element = $(this);
		var element_height = $element.outerHeight();
		var element_top_position = $element.offset().top;
		var element_bottom_position = (element_top_position + element_height);
	 
		//check to see if this current container is within viewport
		if ((element_bottom_position >= window_top_position) &&
			(element_top_position <= window_bottom_position)) {
		  $element.addClass('in-view');
		} else {
		  //$element.removeClass('in-view');
		}
	  });
	}

	$window.on('scroll resize', check_if_in_view);
	$window.trigger('scroll');


	/* pc nav */
	$(".pc_nav>ul>li").hover(function(){
		$(this).find("ul").stop().slideDown();
	},function(){
		$(this).find("ul").stop().slideUp();
	})
	

	/* allmenu */
	btnchk = 0;
	$(".btn_menu").click(function(){
		if(btnchk == 0){
			$(this).addClass("open");
			$(".allmenu").slideDown(600);
			btnchk = 1;
		}else{
			$(this).removeClass("open");
			$(".allmenu").slideUp(600);
			btnchk = 0;
		}
	});

	
	$(".m_all>ul>li").click(function(){
		
		if($(this).attr("class") == "act"){
			
			$(this).find("div").slideUp();
			
		}else{

			$(this).find("div").slideDown();
			
		}
		
		$(this).toggleClass("act");
		$(this).siblings("li").removeClass("act");
		$(this).siblings("li").find("div").slideUp();

	})




});