sigArray = new Array();
sigArray[0] = "";

if(location.href.match(/showtopic=(\d+)/i)){
Div = document.getElementsByTagName('div')
for(d=0;d<Div.length;d++){
if(Div[d].className == "signature"){
Hide = 0
for(s=1;s<sigArray.length;s++){
if(sigArray[s] == Div[d].innerHTML){
Hide++
}
}
if(Hide > 0){
Div[d].style.display = 'none'
} else {
sigArray[sigArray.length] = Div[d].innerHTML
}
}
}
}