<!--Спойлер-->
<style type="text/css">
#button-spoiler {
background-image:url('http://forumupload.ru/uploads/000a/45/08/94-4.png');
line-height:0;
background-position:center;
background-repeat:no-repeat;
padding:0;
}
</style>
<script type="text/javascript">
function tag_spoiler(){
 var y = prompt("Введите текст на кнопке",'');
 if(y!='null' && y!='' && typeof(y)!='object' && typeof(y)!='undefined'){
 var x = prompt("Введите текст на закрывающей  кнопке",'');
 if(x=='null' || x=='' || typeof(x)=='object' || typeof(x)=='undefined') bbcode('[spoiler'+y+']','[/spoiler]'); else bbcode('[spoiler'+y+'|'+x+']','[/spoiler]');}
 else bbcode('[spoiler]','[/spoiler]')
}
function addSpoiler(str,from,internal){
 var pos=0,pos2=0,pos_c=0,pos_l=0,newpos=0,string='',close='',open='';
 if((pos=str.indexOf("[spoiler",from))==-1) return str;
 if((pos2=str.indexOf("[/spoiler]"),pos+9)==-1) return str;
 if(((pos_c=str.indexOf("]",pos+8))!=-1) && ((pos_c!=pos+8)&&(pos_c!=pos+9))){
 string = str.substring(pos+9,pos_c);
 if((pos_l = string.indexOf("|"))!=-1){
close = string.substring(0,pos_l);
open = string.substring(pos_l+1,string.length);
 }
 else{
close = string;
open = string;
 }
 }
 else{
close = 'Открыть спойлер';
open = 'Скрыть';
 }
 newpos=str.indexOf("[spoiler",pos+9)
 if(newpos<pos2 && newpos!=-1) str=addSpoiler(str,pos+9,true)
 if((pos2=str.indexOf("[/spoiler]",pos+9))==-1) return str;
 str=str.substring(0,pos)+makeSpoiler(str.substring(pos_c+1,pos2),open,close)+str.substring(pos2+10,str.length)
 if( str.indexOf("[spoiler")!=-1 && internal==false) str=addSpoiler(str,0,false)
 return str;
}

function makeSpoiler(txt,open,close){
 txt='<div class="quote-box" style="padding:1px;background: none; border: 0;"><cite style="width:100%;margin:0;"><input id="'+open+'" class="spoiler-button" style="width:200px;font-size:10px; margin:0;" type="button" value="'+close+'"></cite><blockquote class="quote-box" style="display:none; width: 90%;border: 1px solid black;margin:0;">'+txt+'</blockquote></div>'
 return txt;
}

$(document).ready(function(){
 $("div.quote-box > cite > input.spoiler-button").click(function(){
$(this).parents("div.quote-box:first").find("blockquote.quote-box:first").toggle("slow");
var a = $(this).attr('value');$(this).attr('value',$(this).attr('id'));$(this).attr('id',a);
 });
});

if((document.URL.indexOf("viewtopic.php")!=-1) || (document.URL.indexOf("post.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=addSpoiler(post.innerHTML,0,false)
 }
}
if(form=document.getElementById("form-buttons"))
 form.getElementsByTagName("tr")[0].insertCell(16).innerHTML="<img  id=\"button-spoiler\" title=\"Спойлер\" onclick=\"tag_spoiler('[spoiler]','[/spoiler]')\" src=\"/i/blank.gif\" />"
</script>

<style>.Myimge {position:absolute;margin-top:-14px;}</style>
<script type="text/javascript">
PiarNik="Реклама";
PiarPas="0000";

var L="<div id=\"PR_loginDiv\" style=\"display:none;\">\
<form id=\"form_login\" name=\"login\" method=\"post\" action=\"login.php?action=in\" onsubmit=\"return check_form()\">\
<fieldset>\
<input type=\"hidden\" name=\"form_sent\" value=\"1\"/>\
<input type=\"text\" id=\"fld1\" name=\"req_username\" size=\"21\" maxlength=\"25\"/>\
<input type=\"text\" id=\"fld2\" name=\"req_password\" size=\"7\" maxlength=\"16\"/>\
<input type=\"submit\" class=\"button\" name=\"login\"/>\
</fieldset>\
</form>\
</div>\
<span id=spMyimg><img class=\"Myimge\"  title=\"Быстрый вход для 'Пиарщиков'\" onclick=\"PiarIn()\" src=\"http://savepic.ru/2867133.png\" onmouseover=\"this.src='http://savepic.ru/2857917.png' \" onmouseout=\"this.src='http://savepic.ru/2867133.png'\" /></span>";
if($("#navlogin").html()!=null){

$("#navlogin").append(L) //navlogin
$("#PR_loginDiv #fld1").val(PiarNik)
$("#PR_loginDiv #fld2").val(PiarPas)
function PiarIn () {$("#PR_loginDiv input[type='submit']").click();}
}
<img src="http://savepic.su/469231.png" >
</div>
   function openClose(id)
    {
    var obj = "";

    // Check browser compatibility
    if(document.getElementById)
    obj = document.getElementById(id).style;
    else if(document.all)
    obj = document.all[id];
    else if(document.layers)
    obj = document.layers[id];
    else
    return 1;

    // Do the magic :)
    if(obj.display == "")
    obj.display = "none";
    else if(obj.display != "none")
    obj.display = "none";
    else
    obj.display = "block";
    }
    </script>