How to make a guest book hidden?

How to make a guest book hidden?
1. Login to www.blogger.com
2. Design >> in Page Elements click Add a gadget >> HTML/JavaScript
3. Copy and paste this code

<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/AVvXsEgvf1NQD4QIvNmCbCIP-Hq0O0YEA081drcW8tjP1yAPAs2t3P76jwBCZRtR9jnIYM-_6bGsL8y9nl_x8p2xgbUYG1DtVuCxacP78JT1GPjp7LAVN27kXNSn_oUhaIjORRf1eXz-uPeR9Ag/s800/guest.jpg') no-repeat;
}
.gbcontent{
float:left;
border:2px solid #E91D20;
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">

put your shoutmix/cbox code here

<br/>
<span style="font-size: x-small;"><a href="http://from-google.blogspot.com/2011/06/how-to-make-guest-book-hidden.html">[get this widget]</a></span>
</div>

<script type="text/javascript">
var gb = document.getElementById("gb");
gb.style.right = (30-gb.offsetWidth).toString() + "px";
</script>
</div>

4. Save

Note:
Red colour, your code shoutmix or shoutbox.