warning when provider is not set

index.html

@@ -7,7 +7,6 @@
 <script type="text/javascript" src="qt.js"></script>
 <script type="text/javascript" src="http.js"></script>
 <script type="text/javascript">
-web3.setProvider(new web3.providers.HttpProvider('http://localhost:8080'));
 function registerName() {
     var name = document.querySelector("#name").value;
     name = web3.fromAscii(name);

main.js

@@ -391,6 +391,7 @@
         if(this.provider !== undefined) {
             this.provider.send(data);
         } else {
+            console.warn("provider is not set");
             this.queued.push(data);
         }
     };