diff --git a/.gitignore b/.gitignore
index a33af08..c2658d7 100644
--- a/.gitignore
+++ b/.gitignore
@@ -1,2 +1 @@
 node_modules/
-config.js
diff --git a/client/css/style.css b/client/css/style.css
index 912b80b..84acfdd 100644
--- a/client/css/style.css
+++ b/client/css/style.css
@@ -99,12 +99,19 @@ h2 {
 	padding: 0 10px;
 	width: 100%;
 }
-#chat.hide-join .join,
-#chat.hide-part .part,
-#chat.hide-nick .nick,
-#chat.hide-quit .quit {
+#chat .join,
+#chat .part,
+#chat .nick,
+#chat .quit {
+	/* Hidden by default */
 	display: none;
 }
+#chat.show-join .join,
+#chat.show-part .part,
+#chat.show-nick .nick,
+#chat.show-quit .quit {
+	display: block;
+}
 #chat .window {
 	background: #fff;
 	display: none;
diff --git a/client/index.html b/client/index.html
index dbe2dd3..9e81d0f 100644
--- a/client/index.html
+++ b/client/index.html
@@ -118,6 +118,7 @@
 	<script src="/socket.io/socket.io.js"></script>
 	<script src="/js/lib/mustache.js"></script>
 	<script src="/js/lib/jquery.js"></script>
+	<script src="/js/lib/jquery.cookie.js"></script>
 	<script src="/js/lib/jquery.scrollGlue.js"></script>
 	<script src="/js/lib/bootstrap.js"></script>
 	<script src="/js/chat.js"></script>
diff --git a/client/js/chat.js b/client/js/chat.js
index ed9a9fa..c0231bb 100644
--- a/client/js/chat.js
+++ b/client/js/chat.js
@@ -14,7 +14,7 @@ $(function() {
 		tpl[id] = tpl[id] || $(id).html();
 		if (!json) {
 			// If no data is supplied, return the template instead.
-			// Used when fetching partials.
+			// Handy when fetching partials.
 			return tpl[id];
 		}
 		return Mustache.render(
@@ -123,11 +123,35 @@ $(function() {
 	sidebar.find("input[type=checkbox]").each(function() {
 		var input = $(this);
 		var value = input.val();
-		input.prop("checked", true).wrap("<label>").parent().append(value);
+		
+		var checked = true;
+		if (($.cookie("hidden") || []).indexOf(value) !== -1) {
+			checked = false;
+		}
+		
+		input.prop("checked", checked)
+			.wrap("<label>")
+			.parent()
+			.append(value);
+		
+		if (checked) {
+			chat.addClass("show-" + value);
+		}
+		
 		input.on("change", function() {
+			var hidden = $.cookie("hidden") || "";
+			if (input.prop("checked")) {
+				hidden = hidden.replace(value, "");
+			} else {
+				hidden += value;
+			}
+			
+			// Save the cookie with the new values.
+			$.cookie("hidden", hidden);
+			
 			chat.toggleClass(
-				"hide-" + value,
-				!input.prop("checked")
+				"show-" + value,
+				input.prop("checked")
 			);
 		});
 	});