load more content

<html>
<head>
<style>
body {
    background-color: #f6f6f6;
    width: 400px;
    margin: 20px auto;
    font: normal 13px/100% sans-serif;
    color: #444;
}
div {
    display:none;
    padding: 10px;
    border-width: 0 1px 1px 0;
    border-style: solid;
    border-color: #fff;
    box-shadow: 0 1px 1px #ccc;
    margin-bottom: 5px;
    background-color: #f1f1f1;
}
.totop {
    position: fixed;
    bottom: 10px;
    right: 20px;
}
.totop a {
    display: none;
}
a, a:visited {
    color: #33739E;
    text-decoration: none;
    display: block;
    margin: 10px 0;
}
a:hover {
    text-decoration: none;
}
#loadMore {
    padding: 10px;
    text-align: center;
    background-color: #33739E;
    color: #fff;
    border-width: 0 1px 1px 0;
    border-style: solid;
    border-color: #fff;
    box-shadow: 0 1px 1px #ccc;
    transition: all 600ms ease-in-out;
    -webkit-transition: all 600ms ease-in-out;
    -moz-transition: all 600ms ease-in-out;
    -o-transition: all 600ms ease-in-out;
}
#loadMore:hover {
    background-color: #fff;
    color: #33739E;
}
</style>
<script type="text/javascript">
$(function () {
    $("div").slice(0, 6).show();
    $("#loadMore").on('click', function (e) {
        e.preventDefault();
        $("div:hidden").slice(0, 4).slideDown();
        if ($("div:hidden").length == 0) {
            $("#load").fadeOut('slow');
        }
        $('html,body').animate({
            scrollTop: $(this).offset().top
        }, 1500);
    });
});

$('a[href=#top]').click(function () {
    $('body,html').animate({
        scrollTop: 0
    }, 600);
    return false;
});

$(window).scroll(function () {
    if ($(this).scrollTop() > 50) {
        $('.totop a').fadeIn();
    } else {
        $('.totop a').fadeOut();
    }
});
</script>
</head>
<body>
<div>Content</div>
<div>Content</div>
<div>Content</div>
<div>Content</div>

<div>Content</div>
<div>Content</div>
<div>Content</div>
<div>Content</div>

<div>Content</div>
<div>Content</div>
<div>Content</div>
<div>Content</div>


<a href="#" id="loadMore">Load More</a>

<p class="totop">
    <a href="#top">Back to top</a>
</p>
</body>
</html>