Index: /temp/trunk/html/js/layout_design.js
===================================================================
--- /temp/trunk/html/js/layout_design.js	(revision 4553)
+++ /temp/trunk/html/js/layout_design.js	(revision 4554)
@@ -426,5 +426,5 @@
 
   //4 t0a¤Î³Æ¥¢¥È¥ê¥Ó¥å¡¼¥È¤ò¥À¥¤¥¢¥í¥°É½¼¨¤¹¤ë
-  alert( t0a.value )
+  alert(typeof t0a.value )
   alert(123);