[fix] load new page with infinite scroll if there is no scrollbar - fixes #759

$(document).ready(function() {

    var win = $(window);

    win.scroll(function() {

        if ($(document).height() - win.height() - win.scrollTop() < 150) {

function hasScrollbar() {

    var root = document.compatMode=='BackCompat'? document.body : document.documentElement;

    return root.scrollHeight>root.clientHeight;

}

function loadNextPage() {

    var formData = $('#pagination form:last').serialize();

    if (formData) {

        $('#pagination').html('<div class="loading-spinner"></div>');

                $('#main_results').append('<hr/>');

                $('#main_results').append(body.find('.result'));

                $('#main_results').append(body.find('#pagination'));

                if(!hasScrollbar()) {

                    loadNextPage();

                }

            }

        });

    }

}

$(document).ready(function() {

    var win = $(window);

    if(!hasScrollbar()) {

        loadNextPage();

    }

    win.scroll(function() {

        $("#pagination button").css("visibility", "hidden");

        if ($(document).height() - win.height() - win.scrollTop() < 150) {

            loadNextPage();

        }

    });

});