Code tạo chát box và đọc truyện cười

Copy đoạn code bên dưới vào sau <body> :
<style type='text/css'>
#gb{
position:fixed;
top:0px;
z-index:+1000;
}* html #gb{position:relative;}
.gbtab{
height:100px;
width:30px;
float:left;
cursor:pointer;
background:url(&#39;http://farm3.static.flickr.com/2636/3935353655_32c6d2bb30_o.png&#39;) no-repeat;
}.gbcontent{
float:left;
border:2px solid #990000;
background:#F5F5F5;
padding:10px;
}</style>
<script type='text/javascript'>
function showHideGB(){
var gb = document.getElementById(&quot;gb&quot;);
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(&quot;gb&quot;);
var dx = Math.abs(x0-xf) &gt; 10 ? 5 : 1;
var dir = xf&gt;x0 ? 1 : -1;
var x = x0 + dx * dir;
gb.style.right = x.toString() + &quot;px&quot;;
if(x0!=xf){setTimeout(&quot;moveGB(&quot;+x+&quot;, &quot;+xf+&quot;)&quot;, 10);}
}</script>
<div id='gb'>
<div class='gbtab' onclick='showHideGB()'> </div>
<div class='gbcontent'>
<center><!-- BEGIN CBOX - www.cbox.ws - v001 -->
<div id='cboxdiv' style='text-align: center; line-height: 0'>
<div><iframe allowtransparency='yes' frameborder='0' height='205' id='cboxmain' marginheight='2' marginwidth='2' name='cboxmain' scrolling='auto' src='http://www2.cbox.ws/box/?boxid=2213830&amp;boxtag=ds518n&amp;sec=main' style='border:#DBE2ED 1px solid;' width='200'/></div>
<div><iframe allowtransparency='yes' frameborder='0' height='65' id='cboxform' marginheight='2' marginwidth='2' name='cboxform' scrolling='no' src='http://www2.cbox.ws/box/?boxid=2213830&amp;boxtag=ds518n&amp;sec=form' style='border:#DBE2ED 1px solid;border-top:0px' width='200'/></div>
</div>
<!-- END CBOX -->
<iframe frameborder='1' height='150' src='http://www.luudiachiweb.com/truyencuoi.htm' width='200'/>
</center>
<div style='text-align:right'>
<a href='javascript:showHideGB()'>
[Ẩn chatbox]
</a>
</div>
</div>
</div>
<script type='text/javascript'>
var gb = document.getElementById(&quot;gb&quot;);
gb.style.right = (30-gb.offsetWidth).toString() + &quot;px&quot;;
</script>