function checkOffset() {
    if($('.social_media_tray').offset().top + $('.social_media_tray').height() >= $('.footer').offset().top - 0)
        $('.social_media_tray').css('position', 'absolute');
    if($(document).scrollTop() + window.innerHeight < $('.footer').offset().top)
        $('.social_media_tray').css('position', 'fixed'); // restore when you scroll up
}
$(document).scroll(function() {
    checkOffset();
});

var swiper = new Swiper('.swiper1', {
      pagination: {
        el: '.swiper-pagination',
		  clickable: true,
      },
		loop:true,
		autoplay: {
        delay: 8000,
        disableOnInteraction: false,
      },
		 navigation: {
        nextEl: '.swiper-button-next',
        prevEl: '.swiper-button-prev',
      },
    });

    var swiper = new Swiper('.swiper2', {
      pagination: {
        el: '.swiper-pagination',
		  clickable: true,
      },
		loop:true,
		 navigation: {
        nextEl: '.swiper-button-next',
        prevEl: '.swiper-button-prev',
      },
    });

 var swiper = new Swiper('.swiper4', {
      pagination: {
        el: '.swiper-pagination',
		  clickable: true,
      },
	 observer: true,
observeParents: true,
		loop:true,
		 navigation: {
        nextEl: '.swiper-button-next',
        prevEl: '.swiper-button-prev',
      },
    });

    var swiper = new Swiper('.fitnes_swiper', {
      pagination: {
        el: '.swiper-pagination',
		  clickable: true,
      },
		loop:true,
		 navigation: {
        nextEl: '.swiper-button-next',
        prevEl: '.swiper-button-prev',
      },
    });

    var swiper = new Swiper('.services .swiper5', {
      slidesPerView: 4,
      spaceBetween: 60,
      // init: false,
       navigation: {
        nextEl: '.service_naviNext',
        prevEl: '.service_naviPrev',
      },
      breakpoints: {
        1024: {
          slidesPerView: 3,
          spaceBetween: 40,
        },
        768: {
          slidesPerView: 2,
          spaceBetween: 30,
        },
        640: {
          slidesPerView: 1,
          spaceBetween: 20,
        },
        320: {
          slidesPerView: 1,
          spaceBetween: 10,
        }
      }
    });

var swiper = new Swiper('.academic', {
      pagination: {
        el: '.swiper-pagination',
		  clickable: true,
      },
		loop:true,
		 navigation: {
        nextEl: '.swiper-button-next',
        prevEl: '.swiper-button-prev',
      },
    });




if ($('#back-to-top').length) {
    var scrollTrigger = 100, // px
        backToTop = function () {
            var scrollTop = $(window).scrollTop();
            if (scrollTop > scrollTrigger) {
                $('#back-to-top').addClass('show');
            } else {
                $('#back-to-top').removeClass('show');
            }
        };
    backToTop();
    $(window).on('scroll', function () {
        backToTop();
    });
    $('#back-to-top').on('click', function (e) {
        e.preventDefault();
        $('html,body').animate({
            scrollTop: 0
        }, 700);
    });
}