<style type="text/css">

#gb{

position:fixed;

top:50px;

z-index:+1000;

}

* html #gb{position:relative;}

.gbtab{

height:100px;

width:30px;

float:left;

cursor:pointer;

background:url('https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEjnrlZyfSEtX_o6ThyphenhyphenOs9nU_EcllP_igvEcIuhNCR5gIJDn8xeIw63UJbU8-nuDT0o_6VG0VpP4cOeAHhgm1-T8qL7NyjIPfyV_U9pvHW8aevhxFRqkg1DX2cOQrt6qwKQ92i3CJGq_CqkJ/') no-repeat;

}

.gbcontent{

float:left;

border:2px solid #A5BD51;

background:#F5F5F5;

padding:10px;

}

</style>

<script type="text/javascript">

function showHideGB(){

var gb = document.getElementById("gb");

var w = gb.offsetWidth;

gb.opened ? moveGB(0, 30-w) : moveGB(20-w, 0);

gb.opened = !gb.opened;

}

function moveGB(x0, xf){

var gb = document.getElementById("gb");

var dx = Math.abs(x0-xf) > 10 ? 5 : 1;

var dir = xf>x0 ? 1 : -1;

var x = x0 + dx * dir;

gb.style.right = x.toString() + "px";

if(x0!=xf){setTimeout("moveGB("+x+", "+xf+")", 10);}

}

</script>

<div id="gb">

<div class="gbtab" onclick="showHideGB()"> </div>

<div class="gbcontent">

kode buku tamu milikmu

<br/>

[ klik aja disini ]

/><br/>

</a>

<div style="text-align:right">

<a href="javascript:showHideGB()">

[close]

</a>

</div>

</div>

</div>

<script type="text/javascript">

var gb = document.getElementById("gb");

gb.style.right = (30-gb.offsetWidth).toString() + "px";

</script></div></div>