--- daq.js.orig	2011-11-25 15:15:42.000000000 +0900
+++ daq.js	2011-11-30 13:24:57.000000000 +0900
@@ -15,17 +15,18 @@
   /**
    * repeatGetState1 "getstate(./daq.py/Log')" wtih the specified count, times.
    */
+  var interval_running = 0;
+  var myInterval;
   function repeatGetState(times) {
-    var i = 0;
-    setInterval((
-      function() {
-        getstate('./daq.py/Log');
-        i++;
-        if ((times != 0) && (i == times)) {
-          clearInterval();
-        }
-      }
-    ), 2000); // 2 sec.
+    // alert("repeatGetState()" + interval_running);
+    if (interval_running == 1) {
+        clearInterval(myInterval);
+    }
+    // alert("repeatGetState(): before set interval");
+    var my_command = "getstate('./daq.py/Log')"
+    myInterval = setInterval(my_command, 2000);
+    interval_running = 1;
+    // alert("repeatGetState(): exit");
   }
 
   /**
@@ -127,7 +128,7 @@
         var status = res.getElementsByTagName('status');
         $("commandStatus").innerHTML = status[0].firstChild.nodeValue;
         var states = res.getElementsByTagName('state');
-        var currentstatus = states[0].firstChild.nodeValue;
+        var currentstate = states[0].firstChild.nodeValue;
         var compStatus = res.getElementsByTagName('compStatus');
         var eventnums = res.getElementsByTagName('eventNum');
         var length = states.length;
@@ -152,14 +153,22 @@
         //alert(text);
         $("DAQStatus").innerHTML = text;
 
-        if(currentstate == "LOADED")
-          change2Loaded1();
-        else if (currentstate == "CONFIGURED")
-          change2Configured1();
-        else if (currentstat == "RUNNING")
-          change2Running1();
-        else if (currentstat == "PAUSED")
-          change2Paused1();
+        if(currentstate == "LOADED") {
+          //alert("currentstate: LOADED");
+          change2Loaded();
+        }
+        else if (currentstate == "CONFIGURED") {
+          //alert("currentstate: CONFIGURED");
+          change2Configured();
+        }
+        else if (currentstate == "RUNNING") {
+          //alert("currentstate: RUNNING");
+          change2Running();
+        }
+        else if (currentstate == "PAUSED") {
+          //alert("currentstate: PAUSED");
+          change2Paused();
+        }
       },
       onFailure:function(httpObj){
 //        alert("Bad: "+ httpObj.responseText);