function mainSlider() {
    //Настройки
    var
      $slideBox = $(".main-slider"),
      $slideCount = $slideBox.find(".slide").length,
      $slideCurrent = 0,
      $slidePrev = $(".m-prev"),
      $slideNext = $(".m-next");

    //Пагинация
    function slideArrow(select) {
      if(select == "next") {
        if($slideCurrent == ($slideCount-1)) $slideCurrent = 0;
        else $slideCurrent++;
      }
      else if(select == "prev") {
        if($slideCurrent == 0) $slideCurrent = $slideCount-1;
        else $slideCurrent-=1;
      }
      else $slideCurrent = select;

      $(".main-slider .slide").fadeOut("fast");
      $(".main-slider .slide").eq($slideCurrent).fadeIn("fast");
      $(".m-selector .m-btn").removeClass("active");
      $(".m-selector .m-btn").eq($slideCurrent).addClass("active");
    }

    $slidePrev.on("click", function(even) {
      even.preventDefault();
      slideArrow("prev");
    });

    $slideNext.on("click", function(even) {
      even.preventDefault();
      slideArrow("next");
    s});
  }