<script type="text/javascript" src="http://ajax.googleapis.com/ajax/libs/jquery/1.3.2/jquery.min.js"></script>
<script type="text/javascript">
$(document).ready(function(){

    $(".btn-slide").click(function(){
        $("#panel").slideToggle("slow");
        $(this).toggleClass("active"); return false;
    });
 
  
});
</script>
<style>
/* ---------------
Simple Slide panel with jQuery
---------------------------------- */
#panel {
        height: auto;
        background: #f90;
        width: auto;
        display: none;
    padding: 7px;
    border: #0C0;
    -moz-border-radius-topright:10px;
    -webkit-border-top-right-radius:10px;
    -moz-border-radius-bottomright:10px;
    -webkit-border-bottom-right-radius:10px;
    -moz-border-radius-topleft:10px;
    -webkit-border-top-left-radius:10px;
    -moz-border-radius-bottomleft:10px;
    -webkit-border-bottom-left-radius:10px;
}
.slide {
    margin: 0;
    padding: 0;
    border-top: solid 4px #f90;
    background: url(https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEgUcFQyA0d5h6H0ox254q7bx_3ldDtYGqMP0vzsdSD_E34tb9t2IKGSzU7GgmlIWcOKhs8jTVZ77a-utYjOUQsvwwwt1mvBhvZxExO4RbVoQYk4t4FvKzCtHyLFnLI6INkwzOTyK4LmUl0/s1600/btn-slide.png) no-repeat center top;
 
}
.btn-slide {
    background: url(https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEg8zIkeed1TQcZ_qhQbJj5vviZTciBEaVaIioSaITDUI1uGNrKQpa6KuBEzwe76Ym1IJALZUbKod8t4wEz3ORLahwaheA6bWQJkj99azdjWrwQYgVtFyH3er3SccxBppte9RaX7xSIrlOo/s1600/white-arrow.gif) no-repeat right -50px;
    text-align: center;
    width: 144px;
    height: 31px;
    padding: 10px 10px 0 0;
    margin: 0 auto;
    display: block;
    font: bold 120%/100% Arial, Helvetica, sans-serif;
    color: #fff;
    text-decoration: none;
}
.active {
    background-position: right 12px;
}
</style>

<div id="panel">

    <!-- Simpan Script Buku tamunya disini -->

</div>
<p class="slide"><a href="#" class="btn-slide">Buku Tamu</a></p>