Index: htmlarea.js
===================================================================
--- comp/media/wysiwyg/xinha/htmlarea.js	(revision 52)
+++ comp/media/wysiwyg/xinha/htmlarea.js	(working copy)
@@ -1053,16 +1053,19 @@
       editor._textArea.value = editor.outwardHtml(editor.getHTML());
       var a = this.__msh_prevOnSubmit;
       // call previous submit methods if they were there.
-      var allOK = true;
-      for (var i = a.length; --i >= 0;)
+      if (typeof a != "undefined")
       {
-        if(a[i]() == false)
+        var allOK = true;
+        for (var i = a.length; --i >= 0;)
         {
-          allOK = false;
-          break;
+            if(a[i]() == false)
+            {
+            allOK = false;
+            break;
+            }
         }
+        return allOK;
       }
-      return allOK;
     };
     if (typeof f.onreset == "function") {
       var funcref = f.onreset;