$(function(){
	startJS();
	inView();
	hambergerMenu();
});

function startJS() {
	$(document).on('click', 'a[href="#none"]', function(e) {e.preventDefault()});

	WebFont.load({google: {families: ['Noto Sans KR', 'Montserrat']}});
	
	if($('html').is('.ie67, .ie7, .ie8, .ie9')) {
		$('.ie_alert_text').show().html('<div class="title">현재 사이트는 IE9 이하의 하위브라우저를 지원하지 않습니다. <br />브라우저를 최신 버전으로 <strong>업데이트</strong>해 주세요.</div><a href="//www.google.com/intl/ko/chrome/" target="_blank" class="btn">Chrome 브라우저 다운로드</a>');
		$('#bg').show().addClass('pointer_off');
	}
}


function inView() {
	var $animation_elements = $('.a_');
	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+200;
		var element_bottom_position = (element_top_position + element_height);

		if ((element_bottom_position >= window_top_position) &&
		  (element_top_position <= window_bottom_position)) {
		  $element.addClass('in-view');
		} else {
		}
	  });
	}

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