Question lỗi khi cài đặt chatbox cho xenforo

em làm theo hướng dẫn trên mạng đến bước thêm fcb_chatbox thì bị lỗi này ạ

đây là nội dung file template

Mã:

<xen:set var="$chatbox.title">ChangUonDyU - Extra File Chatbox</xen:set>
<xen:set var="$chatbox.link">chatbox</xen:set>
<xen:set var="$chatbox.smilies">fcb_smilies.txt</xen:set>
<xen:set var="$chatbox.random">10</xen:set>
<xen:set var="$chatbox.height">300</xen:set>
<xen:set var="$chatbox.key">your_chatbox_key</xen:set>

<style type="text/css">
.fcb_chatbox{padding:0px 0px;}
.fcb_chatbox div{margin:0px 0px 5px 0px;}
.fcb_chatbox iframe{
    width:100%;
    border:0px;
    padding:0px;
    height:{xen:raw '$chatbox.height'}px;
    background-color: #F5FAEA;}
.fcb_chatbox .txtarea{min-width:90%;}
.fcb_chatbox form input{margin-left:5px;}
</style>

<script src="http://prototypejs.org/javascripts/prototype.js" type="text/javascript"></script>
<script language="JavaScript" type="text/javascript">
var chatboxlink = '{xen:raw '$chatbox.link'}';
var chatboxsmilies = '{xen:raw '$chatbox.smilies'}';
var chatboxrandom = '{xen:raw '$chatbox.random'}';
var textstyle=document.getElementById('hmess');
var chatboxkey='{xen:calc 'md5({$visitor.user_id}.{xen:raw '$chatbox.key'}.{$visitor.user_group_id}.md5({$visitor.username}.{xen:raw '$chatbox.key'}))'}';
var huid='{$visitor.user_id}';
var hgroupid='{$visitor.user_group_id}';
var hgroupip='{$_SERVER.REMOTE_ADDR}';
var huser='{$visitor.username}';
if(fcb_getCookie('fcb_b_userid{$visitor.user_id}').length>0)
{document.fcb_form.hbold.value=fcb_getCookie('fcb_b_userid{$visitor.user_id}');}
if(fcb_getCookie('fcb_i_userid{$visitor.user_id}').length>0)
{document.fcb_form.hitalic.value=fcb_getCookie('fcb_i_userid{$visitor.user_id}');}
if(fcb_getCookie('fcb_u_userid{$visitor.user_id}').length>0)
{document.fcb_form.hunderline.value=fcb_getCookie('fcb_u_userid{$visitor.user_id}');}
if(fcb_getCookie('fcb_font_userid{$visitor.user_id}').length>0)
{document.fcb_form.hfont.value=fcb_getCookie('fcb_font_userid{$visitor.user_id}');}
if(fcb_getCookie('fcb_color_userid{$visitor.user_id}').length>0)
{document.fcb_form.hcolor.value=fcb_getCookie('fcb_color_userid{$visitor.user_id}');}
fcb_upstyle_cookie();function fcb_upstyle_cookie()
{if(document.fcb_form.hbold.value=='B*')
{textstyle.style.fontWeight='bold';}
else
{textstyle.style.fontWeight='normal';}
if(document.fcb_form.hitalic.value=='I*')
{textstyle.style.fontStyle='italic';}
else
{textstyle.style.fontStyle='normal';}
if(document.fcb_form.hunderline.value=='U*')
{textstyle.style.textDecoration='underline';}
else
{textstyle.style.textDecoration='none';}
textstyle.style.fontFamily=document.fcb_form.hfont.value;textstyle.style.color=document.fcb_form.hcolor.value;}
function fcb_upstyle(element)
{if(element=='b')
{if(document.fcb_form.hbold.value=='B')
{document.fcb_form.hbold.value='B*';textstyle.style.fontWeight='bold';}
else
{document.fcb_form.hbold.value='B';textstyle.style.fontWeight='normal';}}
else if(element=='i')
{if(document.fcb_form.hitalic.value=='I')
{document.fcb_form.hitalic.value='I*';textstyle.style.fontStyle='italic';}
else
{document.fcb_form.hitalic.value='I';textstyle.style.fontStyle='normal';}}
else if(element=='u')
{if(document.fcb_form.hunderline.value=='U')
{document.fcb_form.hunderline.value='U*';textstyle.style.textDecoration='underline';}
else
{document.fcb_form.hunderline.value='U';textstyle.style.textDecoration='none';}}
else if(element=='font')
{textstyle.style.fontFamily=document.fcb_form.hfont.value;}
else if(element=='color')
{textstyle.style.color=document.fcb_form.hcolor.value;}
fcb_setCookie('fcb_b_userid{$visitor.user_id}',document.fcb_form.hbold.value);fcb_setCookie('fcb_i_userid{$visitor.user_id}',document.fcb_form.hitalic.value);fcb_setCookie('fcb_u_userid{$visitor.user_id}',document.fcb_form.hunderline.value);fcb_setCookie('fcb_font_userid{$visitor.user_id}',document.fcb_form.hfont.value);fcb_setCookie('fcb_color_userid{$visitor.user_id}',document.fcb_form.hcolor.value);}
function fcb_setCookie(c_name,value)
{exdate=new Date();exdate.setDate(exdate.getDate()+365);document.cookie=c_name+"="+escape(value)+";expires="+exdate.toGMTString()+"path=/";}
function fcb_getCookie(c_name)
{if(document.cookie.length>0)
{c_start=document.cookie.indexOf(c_name+"=");if(c_start!=-1)
{c_start=c_start+c_name.length+1;c_end=document.cookie.indexOf(";",c_start);if(c_end==-1)c_end=document.cookie.length;return unescape(document.cookie.substring(c_start,c_end));}
else{return"";}}}
function fcb_postshout()
{hmess1=document.fcb_form.hmess.value;var hmess2=hmess1.replace("[img]","[img]");var hmess=hmess2.replace("http","http");hcolor=document.fcb_form.hcolor.value;hfont=document.fcb_form.hfont.value;hbold=document.fcb_form.hbold.value;hitalic=document.fcb_form.hitalic.value;hunderline=document.fcb_form.hunderline.value;document.fcb_form.hmess.value='';if(hmess=='')
{alert('Xin hãy nhập nội dung!');}
else
{fcb_frame.location=chatboxlink+'/?do=postshout&key='+chatboxkey+'&userid='+huid+'&groupid='+hgroupid+'&username='+huser+'&message='+encodeURIComponent(hmess)+'&color='+hcolor+'&font='+hfont+'&bold='+hbold+'&italic='+hitalic+'&underline='+hunderline;}}
function archivepage()
{window.open(chatboxlink+"/archive.php","fcbarchive","location=no,scrollbars=yes,width=640,height=480");}
function fcb_refresh()
{fcb_frame.location=chatboxlink;}
function smiliepopup()
{window.open("smilies.php?file="+chatboxlink+"/"+chatboxsmilies,"fcballsmilies","location=no,scrollbars=yes,width=500,height=500");}
function addsmilie(code)
{document.fcb_form.hmess.value = document.fcb_form.hmess.value + code;}
function smshow(request)
{if (request.readyState == 4 && request.status == 200)
{document.getElementById('fcb_smiliebox').innerHTML = request.responseText;}}
function fcb_showsmilies()
{document.getElementById('fcb_smiliebox').innerHTML = 'Đang tải Smilies....';
new Ajax.Request('smilies.php?do=fcb_randomsmilies&file='+chatboxlink+'/'+chatboxsmilies+'&random='+chatboxrandom, {method: 'GET', onSuccess: function(request) {smshow(request);}});}
function fcb_showsmiliebox()
{if(document.getElementById('fcb_smilieboxmain').style.display=='none')
{document.getElementById('fcb_smilieboxmain').style.display='inline';fcb_showsmilies();}
else
{document.getElementById('fcb_smilieboxmain').style.display='none';}}
function fcb_hideshowsmiliebox()
{document.getElementById('fcb_smilieboxmain').style.display='none';}
</script>

<fieldset>
<ol class="nodeList sectionMain" id="forums">
<div class="nodeInfo categoryNodeInfo categoryStrip">
<div class="categoryText"><h3 class="nodeTitle">
{xen:raw '$chatbox.title'}</h3>       
</div></div>
<div class="fcb_chatbox" >
<div id="fcb_smilieboxmain" style="display: none;">
    <div align="center">
        <input type="button" class="button" value="Smilies khác" onclick="fcb_showsmilies();">
        <input type="button" class="button" value="Tất cả Smilies" onclick="smiliepopup();">
        <input type="button" class="button" value="Đóng" onclick="fcb_hideshowsmiliebox();">
    </div>
    <div id="fcb_smiliebox" align="center" style="margin-top: 3px; margin-bottom: 3px;"></div>
</div>
<form name="fcb_form" method="post" action="javascript:fcb_postshout();">
<div style='display:block'><input  id="hmess" type="text"class="txtarea" name="hmess">
<input type="submit" class="button" value="Gửi"></div>
<div style='display:block'>
    <input style="font-weight: bold;" type="button" name="hbold" value="B" class="button" onclick="fcb_upstyle('b');">
    <input style="font-style: italic;" type="button" name="hitalic" value="I" class="button" onclick="fcb_upstyle('i');">
    <input style="text-decoration: underline;" type="button" name="hunderline" value="U" class="button" onclick="fcb_upstyle('u');">
    <select onchange="fcb_upstyle('font');" name="hfont">
    <option value="">Chọn Font</option>
    <option style='font: Arial;' value='Arial'>Arial</option><option style='font: Arial Black;' value='Arial Black'>Arial Black</option><option style='font: Arial Narrow;' value='Arial Narrow'>Arial Narrow</option><option style='font: Book Antiqua;' value='Book Antiqua'>Book Antiqua</option><option style='font: Century Gothic;' value='Century Gothic'>Century Gothic</option><option style='font: Comic Sans MS;' value='Comic Sans MS'>Comic Sans MS</option><option style='font: Courier New;' value='Courier New'>Courier New</option><option style='font: Fixedsys;' value='Fixedsys'>Fixedsys</option><option style='font: Franklin Gothic Medium;' value='Franklin Gothic Medium'>Franklin Gothic Medium</option><option style='font: Garamond;' value='Garamond'>Garamond</option><option style='font: Georgia;' value='Georgia'>Georgia</option><option style='font: Impact;' value='Impact'>Impact</option><option style='font: Lucida Console;' value='Lucida Console'>Lucida Console</option><option style='font: Lucida Sans Unicode;' value='Lucida Sans Unicode'>Lucida Sans Unicode</option><option style='font: Microsoft Sans Serif;' value='Microsoft Sans Serif'>Microsoft Sans Serif</option><option style='font: Palatino Linotype;' value='Palatino Linotype'>Palatino Linotype</option><option style='font: System;' value='System'>System</option><option style='font: Tahoma;' value='Tahoma'>Tahoma</option><option style='font: Times New Roman;' value='Times New Roman'>Times New Roman</option><option style='font: Trebuchet MS;' value='Trebuchet MS'>Trebuchet MS</option><option style='font: Verdana;' value='Verdana'>Verdana</option>
    </select>
    <select onchange="fcb_upstyle('color');" name="hcolor">
    <option value="">Chọn màu</option>
    <option style='background: Gold;' value='Gold'>Gold</option><option style='background: Khaki;' value='Khaki'>Khaki</option><option style='background: Orange;' value='Orange'>Orange</option><option style='background: LightPink;' value='LightPink'>LightPink</option><option style='background: Salmon;' value='Salmon'>Salmon</option><option style='background: Tomato;' value='Tomato'>Tomato</option><option style='background: Red;' value='Red'>Red</option><option style='background: Brown;' value='Brown'>Brown</option><option style='background: Maroon;' value='Maroon'>Maroon</option><option style='background: DarkGreen;' value='DarkGreen'>DarkGreen</option><option style='background: DarkCyan;' value='DarkCyan'>DarkCyan</option><option style='background: LightSeaGreen;' value='LightSeaGreen'>LightSeaGreen</option><option style='background: LawnGreen;' value='LawnGreen'>LawnGreen</option><option style='background: MediumSeaGreen;' value='MediumSeaGreen'>MediumSeaGreen</option><option style='background: BlueViolet;' value='BlueViolet'>BlueViolet</option><option style='background: Cyan;' value='Cyan'>Cyan</option><option style='background: Blue;' value='Blue'>Blue</option><option style='background: DodgerBlue;' value='DodgerBlue'>DodgerBlue</option><option style='background: LightSkyBlue;' value='LightSkyBlue'>LightSkyBlue</option><option style='background: White;' value='White'>White</option><option style='background: DimGray;' value='DimGray'>DimGray</option><option style='background: DarkGray;' value='DarkGray'>DarkGray</option><option style='background: Black;' value='Black'>Black</option>
    </select>
<input type="button" value="Smile" class="button" onclick="fcb_showsmiliebox();">
<input type="button" value="Làm mới" class="button" onclick="fcb_refresh();">
<input type="button" value="Lưu trữ" class="button" onclick="archivepage();">
</div>
</form>
<iframe name="fcb_frame" src="{xen:raw '$chatbox.link'}" frameborder="0" class="framesb"></iframe>
</div>
</ol>
</fieldset>

mong mọi người giúp đỡ ạ.

 

không ai giuos em ạ?????