diff --git a/assets/js/sumorobot.js b/assets/js/sumorobot.js
index 19b8bad..1fd71e0 100755
--- a/assets/js/sumorobot.js
+++ b/assets/js/sumorobot.js
@@ -52,7 +52,7 @@ Sumorobot.prototype.connect = function() {
             /* send a ping to the robot */
             //console.log("ping the robot")
             self.send("ping");
-        }, 2000);
+        }, 500);
     };
     /* when the WebSocket closes */
     this.websocket.onclose = function(evt) {
@@ -518,6 +518,16 @@ window.onload = function() {
             $(".btn-robot-go").click();
         }
     });
+    
+    /* when robot-id input field gets focused */
+    $("#robot-id").focus(function() {
+        /* if there is no value in the robot-id input field */
+        if (!$("#robot-id").val()) {
+            /* add "sumo-" to the input field so the user */
+            /* just has to add the robot ID */
+            $("#robot-id").val("sumo-");
+        }
+    });
 
     /* robot number button listener */
     $(".btn-robot-go").click(function() {