function slick() {
  $('.slider').slick({
    // infinite: true,
    // // speed: 300,
    // centerMode: true,
    // adaptiveHeight: true
    // variableWidth: true,

    dots: true,
    infinite: true,
    speed: 300,
    slidesToShow: 1,
    // variableWidth: true,
      // centerMode: true,
    adaptiveHeight: true
  });

}

function hover_slide() {

  var $Wslide = $('.slider').width();
  var halfSlide = $Wslide / 2 ;
  var $button = $('.slider button');

  console.log("halfSlide",halfSlide);


  $button.css( "display" , "block" );

  $('.slider').hover(function() {
    $('.slider').mousemove(function(event) {

      var $eventX = event.pageX;

      if ($eventX < halfSlide) {
        $('button.slick-prev').css("opacity","1");
        $('button.slick-next').css("opacity","0");
      } else if( $eventX > halfSlide ){
        $('button.slick-next').css("opacity","1");
        $('button.slick-prev').css("opacity","0");
      }
    });
  }),

  $( ".slider" ).mouseleave(function() {
    $('button.slick-prev').css("opacity","0");
    $('button.slick-next').css("opacity","0");
  });

}

var resizeTimer;

$(window).on('resize', function(e) {

  clearTimeout(resizeTimer);
  resizeTimer = setTimeout(function() {

    hover_slide();

  }, 250);

});

$(document).ready(function(){
  hover_slide();
  slick();
});