Tutorial: Buat Hide Shoutbox &Sliding Atas Ke Bawah <- Like Me

 <style type="text/css">     #gb{    position:fixed;    right:450px;    z-index:+1000;    }    * html #gb{position:relative;}
    .gbtab{    height:100px;    width:30px;    float:left;    cursor:pointer;    background:url();    }    .gbcontent{    float:left;    border:2px solid  #99CCFF;    background:#ffffff;    -moz-border-radius-topleft:15px;    -moz-border-radius-topright:15px;    -moz-border-radius-bottomleft:15px;    -moz-border-radius-bottomright:15px;    padding:10px;    }    </style>    <script type="text/javascript">    function showHideGB(){    var gb = document.getElementById("gb");    var w = gb.offsetWidth;    gb.opened ? moveGB(0, 1500-w) : moveGB(20-w, 0);    gb.opened = !gb.opened;    }    function moveGB(x0, xf){    var gb = document.getElementById("gb");    var dx = Math.abs(x0-xf) > 25 ? 35 : 1;    var dir = xf>x0 ? 1 : -1;    var x = x0 + dx * dir;    gb.style.top = x.toString() + "px";    if(x0!=xf){setTimeout("moveGB("+x+", "+xf+")", 10);}    }    </script>    <div id="gb">
    <div class="gbtab" onclick="showHideGB()"> </div>    <div class="gbcontent">
KOD SHOUTBOX ANDA

    <center><a href="javascript:void(0);" onclick="showHideGB()"><input type="button" value="Close" class="close" /></a>
    </center></div>    </div>    <script type="text/javascript">    var gb = document.getElementById("gb");    gb.style.top = (-400-gb.offsetWidth).toString() + "px";    </script>
    <a class="west" href="javascript:void(0);" onclick="showHideGB()" title="Buku Tamu"><img alt="Buku Tamu"heigth="125"src="URL IMAGE SHOUTBOX ANDA" border="0" /></a></center>