var default_option = {
	autoplay: true,
	infinite: true,
	slidesToShow: 1,
	slidesToScroll: 1,
	speed: 800,
	autoplaySpeed: 4500,
	dots: false,
	arrows: false,
	lazyLoad: 'ondemand'
}
// 모달 제품 이미지
var thumb_main_option = {
	autoplay: false,
	fade: true,
	speed: 250,
	adaptiveHeight: false,
	asNavFor: '.thumb-list'
}
// 모달 제품 썸네일 리스트
var thumb_list_option = {
	autoplay: false,
	slidesToShow: 5,
	speed: 250,
	arrows: true,
	asNavFor: '.thumbnail-main',
	centerMode:false,
	focusOnSelect: true,
	prevArrow:"<button type='button' class='slick-prev modal-arrow'><img src='images/main/main_visual_arrow_left.png' /></button>",
	nextArrow:"<button type='button' class='slick-next modal-arrow'><img src='images/main/main_visual_arrow_right.png' /></button>",
	responsive: [{
		breakpoint: 1024,
		settings: {
			slidesToShow: 3,
			slidesToScroll: 1,
			centerMode:false
		}
	}, {
		breakpoint: 600,
		settings: {
			slidesToShow: 2,
			slidesToScroll: 1,
		}
	}]
}
// 관리자 제품 이미지
var adm_thumb_main_option = {
	autoplay: false,
	fade: true,
	speed: 250,
	adaptiveHeight: true,
	asNavFor: '.slide_thum_list'
}
// 관리자 썸네일 리스트
var adm_thumb_list_option = {
	autoplay: false,
	slidesToShow: 5,
	speed: 250,
	arrows: true,
	asNavFor: '.slide_for',
	focusOnSelect: true,
	prevArrow:"<button type='button' class='slick-prev adm-product-arrow'><img src='images/main/main_visual_arrow_left.png' /></button>",
	nextArrow:"<button type='button' class='slick-next adm-product-arrow'><img src='images/main/main_visual_arrow_right.png' /></button>",
	responsive: [{
		breakpoint: 1024,
		settings: {
			slidesToShow: 2,
			slidesToScroll: 1,
			centerMode:false
		}
	}]
}
// 옵션 합치기
function fnMergeOption(option_name) {
	// 스트링, 변수명 매칭
	var settings = null;
	var merge_option = ( new Function('return ' + option_name) )(); 
	var default_var = JSON.parse(JSON.stringify(default_option));
	var merge_var = JSON.parse(JSON.stringify(merge_option));

	return settings = $.extend( default_var, merge_var );
}