$(document).ready(function () {

    $('.cs-cont li:nth-child(1) a').mouseover(function(){
        $(this).find('img').attr('src', 'http://ntds.co.kr/default/img/main/side_cs_01_w.png');
    });
    $('.cs-cont li:nth-child(1) a').mouseleave(function(){
        $(this).find('img').attr('src', 'http://ntds.co.kr/default/img/main/side_cs_01.png');
    });
        

    $('.cs-cont li:nth-child(2) a').mouseover(function(){
        $(this).find('img').attr('src', 'http://ntds.co.kr/default/img/main/side_cs_02_w.png');
    });
    $('.cs-cont li:nth-child(2) a').mouseleave(function(){
        $(this).find('img').attr('src', 'http://ntds.co.kr/default/img/main/side_cs_02.png');
    });
        

    
    var windowWidth = window.matchMedia("screen and (max-width: 992px)");

    if (windowWidth.matches) {
        $('.side_flaoting .nav-tabs .nav-item').addClass('active');
    }



});