Add some web socket goodness.

public/chat.js

@@ -0,0 +1,25 @@
+function sendMessage()
+{
+    var msg = document.getElementById("inputLine")
+    socket.send(msg.value);
+    msg.value = "";
+    return false;
+}
+
+function connect(room, name)
+{
+    socket = new WebSocket("ws://127.0.0.1:8080/ws?room="+encodeURIComponent(room)+"&name="+encodeURIComponent(name));
+
+    socket.onmessage = function(message) {
+        var history = document.getElementById("history");
+        var previous = history.innerHTML.trim();
+        if (previous.length) previous = previous + "\n";
+        history.innerHTML = previous + message.data;
+        history.scrollTop = history.scrollHeight;
+    }
+
+    socket.onclose = function() {
+        console.log("socket closed - reconnecting...");
+        connect();
+    }
+}

public/main.css

@@ -0,0 +1,7 @@
+textarea, input {
+    width: 40em;
+}
+
+textarea {
+    resize: vertical;
+}