Код:

<!-- модераторские теги-->
<script>
function addMod(str,from,internal){
var pos=0,pos2=0,newpos=0
if((pos=str.indexOf("[mod]",from))==-1) return str;
if((pos2=str.indexOf("[/mod]"),pos+5)==-1) return str;
newpos=str.indexOf("[mod]",pos+5)
if(newpos<pos2 && newpos!=-1) str=addMod(str,pos+5,true)
if((pos2=str.indexOf("[/mod]",pos+5))==-1) return str;
str=str.substring(0,pos)+makeMod(str.substring(pos+5,pos2))+str.substring(pos2+6,str.length)
if( str.indexOf("[mod]")!=-1 && internal==false) str=addMod(str,0,false)
return str}

function makeMod(txt){
txt="<br><div style=\"margin: 0px; padding: 0px; background-color:#e7e5e4; border: 0px solid #357dbe;\"><TABLE cellpadding='0' cellspacing='0' border='0' bordercolor='#e7e5e4'><TD align='middle' bgColor='#80b4c9' vAlign='center' width='8%'><FONT color='#ffffff' size='+3' style='FONT-FAMILY: Times' title='Предупреждение'><B>&nbsp;i&nbsp;</B></FONT></TD></TD><TD vAlign='middle'>"+txt+"</TD></TABLE></div><br>"
return txt}

if(document.URL.indexOf("viewtopic.php")!=-1){
elm=document.getElementById("pun-main").getElementsByTagName("div")
for(x in elm) if(elm[x].className=="post-content"){
var post=elm[x]
post.innerHTML=addMod(post.innerHTML,0,false)}}

</script>