diff --git a/inc/instance-config.php b/inc/instance-config.php
index 7ab9dfdc..75145129 100644
--- a/inc/instance-config.php
+++ b/inc/instance-config.php
@@ -121,6 +121,7 @@
 	$config['additional_javascript'][] = 'js/toggle-locked-threads.js';
 	$config['additional_javascript'][] = 'js/toggle-images.js';
 	$config['additional_javascript'][] = 'js/mobile-style.js';
+	$config['additional_javascript'][] = 'js/id_highlighter.js'
 
 	$config['font_awesome_css'] = '//netdna.bootstrapcdn.com/font-awesome/4.0.3/css/font-awesome.css';
 	
diff --git a/js/id_colors.js b/js/id_colors.js
new file mode 100644
index 00000000..6923dbec
--- /dev/null
+++ b/js/id_colors.js
@@ -0,0 +1,34 @@
+$.hash = function(str) {
+	var i, j, msg = 0;
+	
+	for (i = 0, j = str.length; i < j; ++i) {
+		msg = ((msg << 5) - msg) + str.charCodeAt(i);
+	}
+	
+	return msg;
+};
+
+function stringToRGB(str){
+	var rgb, hash;
+	
+	rgb = [];
+	hash = $.hash(str);
+	
+	rgb[0] = (hash >> 24) & 0xFF;
+	rgb[1] = (hash >> 16) & 0xFF;
+	rgb[2] = (hash >> 8) & 0xFF;
+	
+	return rgb;
+}
+
+$(".poster_id").each(function(){
+	var rgb = stringToRGB($(this).text());
+	
+	$(this).css({
+		"background-color": "rgb("+rgb[0]+", "+rgb[1]+", "+rgb[2]+")",
+		"padding": "3px 5px",
+		"border-radius": "8px",
+		"color": "white"
+	});
+});
+
diff --git a/js/id_highlighter.js b/js/id_highlighter.js
new file mode 100644
index 00000000..60052031
--- /dev/null
+++ b/js/id_highlighter.js
@@ -0,0 +1,40 @@
+Array.prototype.remove = function(v) { this.splice(this.indexOf(v) == -1 ? this.length : this.indexOf(v), 1); }
+
+var idshighlighted = [];
+
+function getPostsById(id){
+	return $(".poster_id").filter(function(i){
+		return $(this).text() == id;
+	});
+}
+
+function getMasterPosts(parents){
+	if(!parents.hasClass("post")) return;
+	
+	var toRet = [];
+	
+	$(parents).each(function(){
+		if($(this).hasClass("post"))
+			toRet.push($(this));
+	});
+	
+	return toRet;
+}
+
+$(".poster_id").click(function(){
+	var id = $(this).text();
+	
+	if($.inArray(id, idshighlighted) !== -1){
+		idshighlighted.remove(id);
+		
+		$(getMasterPosts(getPostsById(id).parents())).each(function(i){
+			$(this).removeClass("highlighted");
+		});
+	}else{
+		idshighlighted.push(id);
+		
+		$(getMasterPosts(getPostsById(id).parents())).each(function(i){
+			$(this).addClass("highlighted");
+		});
+	}
+});
diff --git a/stylesheets/style.css b/stylesheets/style.css
index dbc367cf..f7a70780 100644
--- a/stylesheets/style.css
+++ b/stylesheets/style.css
@@ -905,6 +905,10 @@ div.thread:hover {
   word-wrap: break-word;
 }
 
+.poster_id{
+	cursor: pointer;
+}
+
 code > pre {
 /* Better code tags */
   background:black;