<style type="text/css">      
.spoiler {      
background-color :#ffffff;      

background-repeat: repeat-x;      
}      
.spoilerheader {      
padding-left : 15px;      
background-image : url(http://school136.org.ua/img/favicons/plus.png);      
background-repeat: no-repeat;      
background-position:0 1;      
display:block;      
}      
.spoiler.open .spoilerheader {background-image : url(http://school136.org.ua/img/favicons/minus.png);}      
.spoiler .spoilertext {display:none;}      
.spoiler.open .spoilertext {display:block;}      
</style><script language="javascript">      
function spoiler_on()      
{      
//document.getElementById('spoiler').style.visibility='visible';      
document.getElementById('spoiler').style.display='';      
}      
function spoiler_off()      
{      
//document.getElementById('spoiler').style.visibility='hidden';      
document.getElementById('spoiler').style.display='none';      
}      
</script>

<div class="spoiler"><a class="spoilerheader" onclick="this.parentNode.className=this.parentNode.className=='spoiler'?'spoiler open':'spoiler'">Подпись скрыта</a>      
<div class="spoilertext">$SIGNATURE$</div></div>