window.onload = function () {
  (function (d) {
    var ce = function (e, n) {
        var a = document.createEvent("CustomEvent");
        a.initCustomEvent(n, true, true, e.target);
        e.target.dispatchEvent(a);
        a = null;
        return false;
      },
      nm = true,
      sp = {
        x: 0,
        y: 0,
      },
      ep = {
        x: 0,
        y: 0,
      },
      touch = {
        touchstart: function (e) {
          sp = {
            x: e.touches[0].pageX,
            y: e.touches[0].pageY,
          };
        },
        touchmove: function (e) {
          nm = false;
          ep = {
            x: e.touches[0].pageX,
            y: e.touches[0].pageY,
          };
        },
        touchend: function (e) {
          if (nm) {
            ce(e, "fc");
          } else {
            var x = ep.x - sp.x,
              xr = Math.abs(x),
              y = ep.y - sp.y,
              yr = Math.abs(y);
            if (Math.max(xr, yr) > 20) {
              ce(e, xr > yr ? (x < 0 ? "swl" : "swr") : y < 0 ? "swu" : "swd");
            }
          }
          nm = true;
        },
        touchcancel: function (e) {
          nm = false;
        },
      };
    for (var a in touch) {
      d.addEventListener(a, touch[a], false);
    }
  })(document);
  //EXAMPLE OF USE
  // var h = function (e) {
  //   console.log(e.type, e);
  // };
  //document.body.addEventListener("fc", h, false); // 0-50ms vs 500ms with normal click, fast click
  //document.body.addEventListener("swl", h, false); // swipe left
  //document.body.addEventListener("swr", h, false); // swipe right
  //document.body.addEventListener("swu", h, false); // swipe up
  //document.body.addEventListener("swd", h, false); // swipe down
  function swipe(e) {
    if (e.type === "swl") {
      // 슬라이드 오른쪽 이동
      $("#myCarousel a.right").trigger("click");
    } else if (e.type === "swr") {
      // 슬라이드 왼쪽 이동
      $("#myCarousel a.left").trigger("click");
    }
  }
  document.getElementById("myCarousel").addEventListener("swl", swipe, false); // swipe left
  document.getElementById("myCarousel").addEventListener("swr", swipe, false); // swipe left
};