dashboard: refactor console js+markup

circle/dashboard/templates/dashboard/vm-detail/console.html

 <div class="btn-toolbar">
-        <button id="sendCtrlAltDelButton" class="btn btn-danger small" href="#">Send CtrlAltDel</button>
-        <button id="sendPasswordButton" class="btn btn-default small" href="#">Type password</button>
+        <button id="sendCtrlAltDelButton" class="btn btn-danger small">Send CtrlAltDel</button>
+        <button id="sendPasswordButton" class="btn btn-default small">Type password</button>
 </div>
 <div class="alert alert-info" id="noVNC_status">
 </div>
@@ -20,15 +20,10 @@
     var rfb;
 
     function updateState(rfb, state, oldstate, msg) {
-        var s, sb, cad
-        s = $('#noVNC_status')[0];
-        cad = $('#sendCtrlAltDelButton')[0];
-
-        if (state === "normal") { cad.disabled = false; }
-        else                    { cad.disabled = true; }
+        $('#_console .btn-toolbar button').attr('disabled', !(state === "normal"));
 
         if (typeof(msg) !== 'undefined') {
-            s.innerHTML = msg;
+            $('#noVNC_status').html(msg);
         }
     }