help on script Options

[Note]

i'm havong tropuble with this code, i got this from xanga's skins

CODE

<!-- begin code provided by createblog.com -->
<script language=javascript>
<!--

function init () {
userbox = document.getElementById ? document.getElementById('cli') : document.all['cli'];
contentbox = document.getElementById ? document.getElementById('contentcell') : document.all['contentcell'];
userbox.focus()
}

function doframe(event){
 var keyCode = event.keyCode ? event.keyCode : event.which ? event.which : event.charCode;
 if (keyCode == 13 && userbox.value>" ") {
    var clicmd = userbox.value;
    if (clicmd=="next") {
 window.location = "http://www.xanga.com/<$Next_Link$>";
 return false;
    }
    if (clicmd=="prev") {
 window.location = "http://www.xanga.com/<$Previous_Link$>";
 return false;
    }
    if (clicmd=="home") {
 window.location = "<$Weblog_Link$>";
 return false;
    }
    if (clicmd=="guestbook") {
 window.location = "http://www.xanga.com<$Guestbook_Link$>";
 return false;
    }
    if (clicmd=="subscribe") {
 window.location = "<$Subscribe_Link$>";
 return false;
    }
    if (clicmd=="logout") {
 window.location = "http://www.xanga.com/logout.asp";
 return false;
    }
    if (clicmd=="login") {
 window.location = "http://www.xanga.com/signin.asp";
 return false;
    }
    if (clicmd=="safemode"){
 window.location = "http://www.xanga.com/private/safemode.asp";
 return false;
    }
    if (clicmd=="mysite"){
 window.location = "http://www.xanga.com/private/home.asp";
 return false;
    }
    if (clicmd=="claf"){
 window.location = "http://www.xanga.com/CLAF/default.asp";
 return false;
    }
    if (clicmd=="google"){
 window.location = "http://www.google.com";
 return false;
    }
    if (clicmd=="random"){
 window.location = "http://www.xanga.com/random.asp";
 return false;
    }
    if (document.getElementById(clicmd)){
 newblock = document.getElementById(clicmd)
 copyblock = newblock.cloneNode(true);
 copyblock.style.display = "";
 if (document.all) {
     contentbox.insertAdjacentElement("beforeEnd",copyblock);
 } else {
     contentbox.appendChild(copyblock);
 }
    } else {
 switch (clicmd) {
     default :
   newblock = document.getElementById("badcmd");
   copyblock = newblock.cloneNode(true);
   copyblock.style.display = "";
   if (document.all) {
       contentbox.insertAdjacentElement("beforeEnd",copyblock);
   } else {
       contentbox.appendChild(copyblock);
   }
   break;
     }
 }

window.scrollTo(0, 2000000000);
userbox.value = "";
}
}

function reader() {
var text = ""
for (var i = 0; i < document.links.length; i++) {
if (document.links[i]=='http://www.xanga.com/private/') {
var link = document.links[i];
text = document.all ? link.innerText : link.text ? link.text : '';
break;}
}
text = text=="" ? "undefined" : text;
return text;
}

//-->
</SCRIPT>

</head>

<body onload="init();">
<table width="100%%" border="0" cellspacing="0" cellpadding="0">
 <tr>
   <td id="contentcell"><p>Welcome to <$Username$>'s xanga console!<br>
       <br>
Type 'help' for assistance.<br><br>
     </p></td>
 </tr>
 <tr>
   <td nowrap id="clicell"><div>$:
     <input name="cli" maxlength=10 type="text" id="cli" style="width:100%" onkeypress="doframe(event);"></div></td>
 </tr>
</table>
<div id="posts" style="display:none">
$: posts<br><br>
<$Posts$><br><br>
</div>
<div id="calendar" style="display:none">
$: calendar<br><br>
<$Calendar$><br><br>
</div>
<div id="profile" style="display:none">
$: profile<br><br>
<p>
<IMG SRC="<$Profile_Pic$>"
</p><$Profile_Info$><br><A HREF="<$Profile_Link$>" target="_blank">View entire profile</A><br><br>
</div>
<div id="sir" style="display:none">
$: sir<br><br>
<$Sites_I_Read$><br><br>
</div>
<div id="blogrings" style="display:none">
$: blogrings<br><br>
<$Blogrings$><br><br>
</div>
<div id="help" style="display:none">
$: help<br><br>
Available commands:<br>
posts<br>
calendar<br>
next<br>
prev<br>
home<br>
profile<br>
guestbook<br>
sir<br>
subscribe<br>
blogrings<br>
random<br>
google<br>
safemode<br>
claf<br>
mysite<br>
motd<br>
pwd<br>
login<br>
logout<br>
whoami<br>
help<br><br>
</div>
<div id="motd" style="display:none">
$: motd<br><br>
Message of the day:<br>
This is the message of the day! Maybe I should change it!<br><br>
</div>
<div id="whoami" style="display:none">
$: whoami<br><br>
xxreaderxx<br><br>
</div>
<div id="badcmd" style="display:none">
Unrecognized command!<br><br>
</div>
<script language=javascript>
<!--
theuser = reader();
re = /xxreaderxx/gi;
var pars = document.getElementsByTagName('p');
for (var pp = 0; pp < pars.length; pp++) {
str = pars[pp].innerHTML;
if (str.search(re) != -1){
newstr = str.replace(re, theuser);
pars[pp].innerHTML = newstr;
}
}
//-->
</script>
<script language=javascript>
<!--
theuser = reader();
re = /xxreaderxx/gi;
pars = document.getElementsByTagName('div');
for (pp = 0; pp < pars.length; pp++) {
str = pars[pp].innerHTML;
if (str.search(re) != -1){
newstr = str.replace(re, theuser);
pars[pp].innerHTML = newstr;
}
}
//-->
</script>
</body>
</html>
<!-- end code provided by createblog.com -->

can someone help? thanks!

::jerry::

[mystical]

Looks like a xanga premium script where you type the response and it displays the screen.