function makeSpoiler(txt){
txt="<div class=quote-box style='padding:1px'><cite style='width:100%'>Спойлер <input style='width:60px;margin-left:70%;font-size:10px;' type='button' value='Показать' onclick='hideSpoiler(this)'></cite><blockquote style='display:none'>"+txt+"</blockquote></div>"
return txt}

function hideSpoiler(sp){
spoiler=sp.parentNode.parentNode.getElementsByTagName("blockquote")[0]
if(spoiler.style.display=='none'){
spoiler.style.display='inline'
sp.value='Скрыть'}
else{
spoiler.style.display='none'
sp.value='Показать'}}

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=addSpoiler(post.innerHTML,0,false)}}
if(form=document.getElementById("form-buttons"))
form.getElementsByTagName("tr")[0].insertCell(19).innerHTML="<img  id=\"button-spoiler\" title=\"Спойлер\" onclick=\"bbcode('

Свернутый текст

','

')\" src=\"/i/blank.gif\" />"
</script>