diff --git a/js/post-hider.js b/js/post-hider.js
index 0a2e3c1a..02a421fe 100644
--- a/js/post-hider.js
+++ b/js/post-hider.js
@@ -1,33 +1,37 @@
-function phGetCookieName(id) {
-  return "ph_hide_" + id;
+function phGetCookieName(board, id) {
+  return "ph_hide_" + board + "_" + id;
 }
-function phPostHidden(id) {
-  return (localStorage.getItem(phGetCookieName(id)) != null);
+function phPostHidden(board, id) {
+  return (localStorage.getItem(phGetCookieName(board, id)) != null);
 }
-function phPostToggle(id) {
- if(phPostHidden(id)) { localStorage.removeItem(phGetCookieName(id)); }
- else { localStorage.setItem(phGetCookieName(id),"yes"); }
+function phPostToggle(board, id) {
+ if(phPostHidden(board, id)) { localStorage.removeItem(phGetCookieName(board, id)); }
+ else { localStorage.setItem(phGetCookieName(board, id),"yes"); }
 }
-function phGetInnerText(id) {
- if(phPostHidden(id)) { return "[+]"; }
- else { return "[-]"; }
+function phGetInnerText(board, id) {
+ if(phPostHidden(board, id)) { return "[+]"; }
+ else { return "[–]"; }
 }
 function phGetOpID(element) {
  return Number(element.children("div.post.op").children("p.intro").children("a.post_no:eq(1)").text());
 }
+function phGetOpBoard(element) {
+ return element.data("board");
+}
 function phPostHandle(element) {
  var id = phGetOpID(element);
+ var board = phGetOpBoard(element);
  var preplies = element.children("div.post.reply");
  var pbody = element.children("div.post.op").children("div.body");
  var pimage = element.children("a:first").children("img");
  var pbutton = element.children("div.post.op").children("p.intro").children("a.posthider");
  var pomitted = element.children("div.post.op").children("span.omitted");
- if(phPostHidden(id)) { element.addClass("thread-hidden"); pomitted.hide(); preplies.hide(); pbody.hide(); pimage.hide(); pbutton.text("[+]"); }
- else { element.removeClass("thread-hidden"); pomitted.show(); preplies.show(); pbody.show(); pimage.show(); pbutton.text("[-]"); }
+ if(phPostHidden(board, id)) { element.addClass("thread-hidden"); pomitted.hide(); preplies.hide(); pbody.hide(); pimage.hide(); pbutton.text("[+]"); }
+ else { element.removeClass("thread-hidden"); pomitted.show(); preplies.show(); pbody.show(); pimage.show(); pbutton.text("[–]"); }
 }
 
 $(document).ready(function(){
-  $('div[id^="thread"]').each(function(index, element){
+  $('form[name="postcontrols"] > div[id^="thread"]').each(function(index, element){
     // Get thread ID.
     var pin = $(this).children("div.post.op").children("p.intro");
     var tid = phGetOpID($(this));
@@ -35,7 +39,7 @@ $(document).ready(function(){
       $("<a href='javascript:;' class='posthider'>[?]</a>").insertAfter(pin.children('a:last')).click(function(e) {
 	var eO = $(e.target);
         var par = eO.parent().parent().parent();
-        phPostToggle(phGetOpID(par));
+        phPostToggle(phGetOpBoard(par), phGetOpID(par));
         phPostHandle(par);
         return false;
       });