Load More Content While Scrolling With jQuery ไม่ทำงานบน google chrome

<style type="text/css">
        *
        {
            margin: 0;
            padding: 0;
            border: 0px;
        }
        body
        {
            width: 800px;
            margin: 0 auto;
        }
        #MainContent
        {
            background: #fafafa;
            line-height: 50px;
        }
        #loading
        {
            font-weight: bold;
            background: #fff;
            line-height: 30px;
            display: none;
            text-align: center;
        }
    </style>
    <script type="text/javascript" src="http://ajax.googleapis.com/ajax/libs/jquery/1.4.3/jquery.min.js"></script>
    <script type="text/javascript">
        $(function () {
            var pause = false; //flag to check loading content.
            var more = 1; //paging
            $(window).scroll(function () {
                if ($(window).scrollTop() == $(document).height() - $(window).height()) {
                    if (pause == false) {
                        pause = true;
                        if (more > 2)
                            return false; //stop loading
                        else {
                            var url = "More" + more + ".htm";
                            $.ajax({
                                url: url,
                                type: "GET",
                                dataType: "html",
                                beforeSend: function () {
                                    $("#loading").show(); //show loading...
                                },
                                success: function (dataResponse, textStatus) {
                                    //to try this demo, i set time out after 3 seconds to see "loading..."
                                    //please remove setTimeout in your project
                                    setTimeout(function () {
                                        $("#MainContent").append(dataResponse);//append new data
                                        pause = false; //reset flag
                                        $("#loading").hide(); //hide loading...
                                        more++;
                                    }, 3000);
                                }
                            });
                        }
                        return false;
                    }
                }
            });
        });
    </script>