$(window).scroll(function () {

   var ajaxloadrelativepost = $(".ajax-load-relative-post").offset().top;
    var topOfWindow = $(window).scrollTop();

   console.log(ajaxloadrelativepost + "----" + topOfWindow);

    if(ajaxloadrelativepost < topOfWindow + 1000 ) {

         console.log(".");

       $.ajax({
            type: "GET"
            , url: "https://sluga92.loc/wp-content/themes/sluga92/single-other.php"
             ,data: "test=1"
             ,success: function(data) {
               $(".ajax-load-relative-post").html(data);}
        }).done(function (data) {


        });
        return false;


    }

    });

if ($_POST["test"]==1){


          $wp_related_posts = wp_related_posts();
          echo $wp_related_posts;

    }

    ?>